Northwest, Central, Eastern Winter Storm and Cold Wave

Losses, 2024 dollars

$27 billion

Losses at the time

$23 billion

Deaths

262

The losses and deaths are NCEI’s, counting everything the disaster did. The episodes below are only what the Weather Service filed in its Storm Events record, which counts damage differently and often not at all, so the two never add up and are shown apart.

• Winter Storm and Winter Weather in Pennsylvania, February 8 to 9, 202113 eventsA low pressure system developed in the lower TN Valley and moved northeast along the western side of the Appalachian Range. A strong band of heavy snow began to develop along the northwest side of the low as it tracked northeast.
• Winter Storm and Winter Weather in Ohio, February 8 to 9, 20219 eventsA low pressure system developed in the lower TN Valley and moved northeast along the western side of the Appalachian Range. A strong band of heavy snow began to develop along the northwest side of the low as it tracked northeast.
• Winter Storm and Winter Weather in West Virginia, February 8 to 9, 20215 eventsA low pressure system developed in the lower TN Valley and moved northeast along the western side of the Appalachian Range. A strong band of heavy snow began to develop along the northwest side of the low as it tracked northeast.
• Cold in Wisconsin, February 8 to 9, 20212 eventsArctic air was firmly entrenched across northern Wisconsin on the morning of February 9th. Low temperatures fell to -15 F to -35 F combined with winds less than 10 mph produced wind chills of -35 F to -44 F.
• Heavy Snow and Winter Weather in Ohio, February 9, 20215 eventsA band of snow fell across portions of southeast Ohio during the early morning hours of February 9th in response to a stationary boundary positioned in close proximity to the Ohio River.
• Winter Weather in New York, February 9, 20214 eventsLight snow developed over eastern New York on the 9th, mainly during the morning and afternoon, with one to five inches reported. The snow caused some schools to cancel or go virtual with classes in the Mid-Hudson Valley. Key impacts: school closures.
• Winter Weather in Connecticut, February 9, 20212 eventsLight snow developed over Litchfield County on the 9th, mainly during the morning and afternoon, with two to four inches reported. The snow caused some schools to cancel or go virtual with classes. Key impacts: school closures.
• Winter Weather in Massachusetts, February 9, 20212 eventsLight snow developed over western Massachusetts on the 9th, mainly during the morning and afternoon, with two to five inches reported. The snow caused some schools to cancel or go virtual with classes. The governor issued speed and tractor trailer restrictions on the Mass Pike.
• Winter Weather in Michigan, February 9 to 11, 20211 eventModerate to heavy lake effect snow continued over the Keweenaw Peninsula from the 9th into the 11th.
• Winter Weather in Pennsylvania, February 9, 20214 eventsA weak wave of low pressure tracked over the mid-Atlantic on February 9. The low was fast moving and had poor dynamic forcing associated with it, limiting precipitation production.
• Winter Weather in New Jersey, February 9, 20213 eventsA weak wave of low pressure tracked over the mid-Atlantic on February 9. The low was fast moving and had poor dynamic forcing associated with it, limiting precipitation production.
• Ice Storm and Winter Weather in Texas, February 9 to 11, 202113 deaths · 103 injured · $2.9 million · 15 eventsFebruary 9th, 2021 was the beginning of what would become a historic winter weather event across the state of Texas, with multiple rounds of winter precipitation and deadly cold temperatures.
• Winter Weather in Wyoming, February 9 to 10, 20212 eventsMountain snow for the Snowy and Sierra Madre Range brought 6 to 9 inches to elevations above 10,000 feet during the 9th into early morning on the 10th.
• Winter Weather in Texas, February 9 to 13, 20211 death · $60,000 · 24 eventsA shallow arctic airmass moved into the West Central Texas on February 9, and continued to slowly move south across the region on February 10. Warm gulf moisture overran the frontal boundary and resulted in periods of widespread freezing drizzle across West Central Texas.
• Extreme Cold and Freezing Fog in Oklahoma, February 9 to 15, 20214 eventsA historic outbreak of arctic air resulted in record breaking cold temperatures during an extreme cold spell that lasted almost two weeks for some locations across the combined Texas and Oklahoma Panhandles.
• Winter Weather in Colorado, February 9 to 10, 20212 eventsA low-amplitude shortwave trough moved across northwest Colorado and, when combined with increased moisture and favorable orographics, produced moderate snow over the northern mountains. Winds gusted up to 50 mph at times.
• Winter Storm in Arkansas, February 9 to 11, 20216 eventsFreezing rain and sleet moved across the area starting Tuesday, February 9th, and continued intermittingly into Thursday morning, February 11th.
• Winter Storm in Tennessee, February 9 to 11, 20213 eventsFreezing rain and sleet moved across the area starting Tuesday, February 9th, and continued intermittingly into Thursday morning, February 11th.
• Winter Storm in Missouri, February 9 to 11, 20212 eventsFreezing rain and sleet moved across the area starting Tuesday, February 9th, and continued intermittingly into Thursday morning, February 11th.
• Winter Weather in Missouri, February 9 to 10, 202116 eventsPatchy freezing rain, freezing drizzle, and some sleet occurred over parts of the region from the evening of the 9th into the morning of the 10th. While liquid amounts were light, flat ice accumulations were generally 0.10 to 0.20 inches.
• Lake-Effect Snow in New York, February 10, 20212 eventsAnother period of westerly flow developed late in the evening on 2/9 and continued through 2/10 in the wake of a weak trough. Lake induced equilibrium levels rose and favored dendritic growth zone beneath the inversion yielding high snow to liquid water ratios.
• Ice Storm and Winter Storm in Kentucky, February 10 to 11, 20211 death · 1 injured · 38 eventsAn arctic airmass was centered over the northern Plains, and Kentucky and southern Indiana were positioned directly along a volatile boundary between the arctic air mass and a warm and moist tropical airmass associated with the Gulf of Mexico.
• Ice Storm and Winter Storm in Indiana, February 10 to 11, 20214 eventsAn arctic airmass was centered over the northern Plains, and Kentucky and southern Indiana were positioned directly along a volatile boundary between the arctic air mass and a warm and moist tropical airmass associated with the Gulf of Mexico.
• Winter Storm in Kentucky, February 10 to 11, 20211 death · $225,000 · 22 eventsA wintry mix of precipitation impacted the region resulting in icy roads, numerous accidents, road closures, and scattered power outages. About 3,000 customers in the Owensboro area were without power.
• Winter Storm and Winter Weather in Illinois, February 10 to 11, 2021$20,000 · 19 eventsA wintry mix of precipitation impacted the region resulting in icy roads, numerous accidents, and even a few power outages. The event started in the early morning hours of February 10th and continued into the night of February 10th.
• Extreme Cold in Minnesota, February 10, 20216 eventsAn upper level low parked over Hudson Bay continued to pull arctic air down across the Northland. Air temperatures fell into the -20 to -36F range with light winds leading to bitter wind chills as low as -45F.
• Winter Storm and Winter Weather in West Virginia, February 10 to 12, 2021$66,000 · 25 eventsA high impact event affected West Virginia beginning on the morning of February 10th, as a wave of precipitation pressed into the area in response to a stationary boundary in close proximity.
• Winter Storm in Indiana, February 10, 2021$65,000 · 6 eventsA wintry mix of precipitation impacted the region resulting in icy roads, numerous accidents, and scattered power outages. The event started in the early morning hours of February 10th and continued into the night of February 10th.
• Ice Storm and Winter Weather in Kentucky, February 10 to 12, 202136 eventsWidespread freezing rain lead to an ice storm across eastern Kentucky on February 10th and 11th, 2021. Many locations experienced power outages due to ice laden trees and tree limbs falling onto and/or downing power lines.
• Winter Storm and Winter Weather in Missouri, February 10 to 11, 202111 eventsA wintry mix of precipitation impacted the region resulting in icy roads, numerous accidents, and road closures. The event started in the early morning hours of February 10th and continued into the night of the 10th.
• Winter Storm in Kentucky, February 10 to 11, 2021$75,000 · 4 eventsA high impact event affected eastern Kentucky beginning on the morning of February 10th, as a wave of precipitation pressed into the area in response to a stationary boundary close by.
• Extreme Cold in Montana, February 10 to 13, 20215 eventsA second push of Arctic air came over the Continental Divide bringing windy conditions and low wind chill values.
• Winter Weather in Virginia, February 10 to 11, 20211 eventA high impact event affected the Central Appalachians beginning on the morning of February 10th, as a wave of precipitation pressed into the area in response to a stationary boundary in close proximity.
• Ice Storm and Winter Weather in Arkansas, February 10 to 11, 202124 eventsThe atmosphere continued to cool on the 10th, especially in the lowest 2,000 to 3,000 feet. Above the subfreezing layer, warmth and moisture increased as another storm system tracked along the Gulf Coast after dark and early on the 11th.
• Winter Storm and Winter Weather in Kentucky, February 10 to 11, 202117 eventsA mix of wintry precipitation affected the region, with heavier ice accumulation found across northern and northeast Kentucky and far southern Ohio.
• Winter Storm and Winter Weather in Ohio, February 10 to 11, 202130 eventsA mix of wintry precipitation affected the region, with heavier ice accumulation found across northern and northeast Kentucky and far southern Ohio.
• Winter Weather in Indiana, February 10 to 11, 20216 eventsAccumulating light snow was found over portions of southeast Indiana.
• Winter Weather in Pennsylvania, February 10 to 11, 202115 eventsSnowfall Feb 10th through Feb 11th was supported due to jet dynamic ascent and coincident frontogenesis south and east of Pittsburgh, and in the ridges. |With warm frontal propagation northward, there was plenty of |moisture available.
• Winter Storm and Winter Weather in West Virginia, February 10 to 11, 20217 eventsSnowfall Feb 10th through Feb 11th was supported due to jet dynamic ascent and coincident frontogenesis south and east of Pittsburgh, and in the ridges. |With warm frontal propagation northward, there was plenty of |moisture available.
• Winter Weather in Ohio, February 10 to 11, 20216 eventsSnowfall Feb 10th through Feb 11th was supported due to jet dynamic ascent and coincident frontogenesis south and east of Pittsburgh, and in the ridges. |With warm frontal propagation northward, there was plenty of |moisture available.
• Winter Storm and Winter Weather in Ohio, February 10 to 11, 20218 eventsA high impact event affected extreme southeast Ohio beginning on the morning of February 10th, as a wave of precipitation pressed into the area in response to a stationary boundary in close proximity.
• Winter Weather in Colorado, February 10 to 11, 20215 eventsA storm system brought a brief period of light to moderate snowfall to areas in and near the Front Range Foothills and I-25 Corridor.
• Winter Storm and Winter Weather in Maryland, February 10 to 11, 202117 eventsLow pressure passed through the area while high pressure to the north supplied cold air. The heaviest snow occurred over northern Maryland, just north from the surface low. Snowfall averaged between 4 to 8 inches for most of these areas.
• Winter Storm and Winter Weather in West Virginia, February 10 to 11, 202114 eventsLow pressure passed through the area while high pressure to the north supplied cold air. The heaviest snow occurred over the eastern Panhandle of West Virginia toward the Allegheny Highlands in Mineral and Grant Counties, just north from the surface low.
• Winter Weather in Virginia, February 10 to 11, 20215 eventsLow pressure passed through the area while high pressure to the north supplied cold air. The heaviest snow occurred over northern Virginia, north of the surface low.
• Ice Storm in Tennessee, February 10 to 11, 202111 eventsFreezing rain and sleet moved across the area starting Tuesday, February 9th, and continued intermittingly into Thursday morning, February 11th.
• Winter Weather in Maryland, February 10 to 11, 20214 eventsA mid-level disturbance accompanied by a weak wave of surface low pressure passed south of the Delmarva peninsula in the early hours of February 11. Precipitation blossomed ahead of and north of this disturbance.
• Ice Storm in Arkansas, February 10 to 11, 20214 eventsFreezing rain and sleet moved across the area starting Tuesday, February 9th, and continued intermittingly into Thursday morning, February 11th.
• Ice Storm in Mississippi, February 10 to 11, 20213 eventsFreezing rain and sleet moved across the area starting Tuesday, February 9th, and continued intermittingly into Thursday morning, February 11th.
• Winter Weather in Delaware, February 10 to 11, 20212 eventsA mid-level disturbance accompanied by a weak wave of surface low pressure passed south of the Delmarva peninsula in the early hours of February 11. Precipitation blossomed ahead of and north of this disturbance.
• Winter Weather in Pennsylvania, February 10 to 11, 20216 eventsA mid-level disturbance accompanied by a weak wave of surface low pressure passed south of the Delmarva peninsula in the early hours of February 11. Precipitation blossomed ahead of and north of this disturbance.
• Winter Storm and Winter Weather in New Jersey, February 10 to 11, 202117 eventsA mid-level disturbance accompanied by a weak wave of surface low pressure passed south of the Delmarva peninsula in the early hours of February 11. Precipitation blossomed ahead of and north of this disturbance.
• Blizzard in Alaska, February 10 to 12, 20212 eventsBlizzard conditions causing blowing snow in strong winds and low visibilities.
• Winter Weather in Tennessee, February 11, 20215 eventsFreezing rain and sleet moved across the area starting Tuesday, February 9th, and continued intermittingly into Thursday morning, February 11th.
• Winter Weather in Mississippi, February 11, 20213 eventsFreezing rain and sleet moved across the area starting Tuesday, February 9th, and continued intermittingly into Thursday morning, February 11th.
• Winter Weather in Arkansas, February 11, 20212 eventsLight icing occurred.
• Ice Storm in Mississippi, February 11, 2021$10,000 · 2 eventsAn arctic air mass combined with light precipitation to create freezing rain across the area.
• Winter Storm in Texas, February 11, 2021$1.3 million · 10 eventsA series of weather systems brought several rounds of winter weather to South Central Texas from February 11 through February 18. The first episode of winter weather started when a cold front moved through South Central Texas on February 10 and stalled over South Texas.
• Winter Weather in Texas, February 11, 20216 eventsA strong but shallow arctic air mass slowly seeped south through the Ouachita Mountains of Southeast Oklahoma and into portions of Northeast Texas throughout the early morning hours of February 11th, resulting in temperatures falling to or below freezing across these areas.
• Winter Weather in Texas, February 11 to 12, 20212 eventsA strong but shallow arctic air mass slowly seeped south through the Ouachita Mountains of Southeast Oklahoma and into portions of Northeast Texas throughout the early morning hours of February 11th, resulting in temperatures falling to or below freezing across these areas.
• Winter Weather in Oklahoma, February 11, 20211 eventA strong but shallow arctic air mass slowly seeped south through the Ouachita Mountains of Southeast Oklahoma and adjacent sections of Southwest Arkansas throughout the early morning hours of February 11th, resulting in temperatures falling below freezing before daybreak across…
• Winter Storm and Extreme Cold in Wyoming, February 11 to 15, 202125 eventsSnow and sub-zero temperatures blanketed southeastern Wyoming Valentine's Day weekend. Southern mountains and portions out in the high plains measured heavy snowfall coupled then with extreme sub-zero temperatures into the minus teens and twenties for many.
• Winter Weather in Tennessee, February 11, 20211 eventFreezing rain affect extreme northwest Middle Tennessee during the morning hours of February 11. Up to 0.2 inches of ice accumulation was reported in northern Stewart County.
• Winter Storm in Texas, February 11, 20211 death · $1.0 million · 4 eventsA fast breaking ice storm with freezing rain, sleet and some snow impacted the Northwest Hill Country and the Interstate 10 Corridor near Junction. This led to a traffic fatality and rapid ice accumulations.
• Blizzard and Ice Storm in Washington, February 11 to 15, 20211 death · $2.1 million · 10 eventsA deep upper trough drove an arctic airmass into southwest Washington. As multiple Pacific fronts moved over the area, a major elevation winter storm with heavy snow and freezing rain occurred over a multi-day period.
• Blizzard and Ice Storm in Oregon, February 11 to 15, 2021$25 million · 13 eventsThis was a major, widespread, multi-faceted winter storm that caused major problems across the northern 2/3 of our forecast area, even (and especially) in the lowlands. Impacts were felt as far south as Albany. WFO Portland measured 10.1 of snow, followed by roughly 0.75 of ice.
• Heavy Snow in Oregon, February 11 to 13, 20217 eventsA series of winter systems moved through the region starting Thursday Jan. 11th through Saturday Jan. 13th, and produced moderate to heavy snow across much of the forecast area. Persistent northwest flow aloft also sustained snow showers across the mountains between the systems.
• Winter Weather in Wisconsin, February 11 to 12, 202120 eventsAn upper level disturbance brought 1-2 inches of powdery snow to southern WI in very cold conditions. The small amount of snow caused very slippery road conditions and numerous vehicle slide-offs and accidents, especially in urban areas.
• Winter Storm and Avalanche in Wyoming, February 11 to 14, 202113 eventsAn arctic boundary slowly sagged southward across much of northern and central Wyoming and brought bitterly cold temperatures. Temperatures in northern Wyoming fell as low as minus 30.
• Winter Weather in Colorado, February 11 to 13, 20214 eventsA positively-tilted trough trekked across western Colorado with strong dynamics settling over the northern mountains. That, paired with increased moisture, led to moderate snow over portions of the northern and west-central mountains as well as the Upper Yampa River Basin.
• Winter Weather in Wisconsin, February 11 to 12, 20211 death · 1 injured · $8,000 · 1 eventOne person was killed when they lost control of the vehicle they were driving on snow covered roads. The accident happened on Interstate 90 near Tomah (Monroe County) on the morning of February 12th.
• Winter Weather in California, February 11 to 14, 20218 eventsA series of storm systems brought unsettled weather to interior northern California from February 11 through the 14. Snow levels for these systems were above 5000 and 6000 feet which is where most of the snow fell.
• Winter Storm in Virginia, February 11 to 12, 202119 eventsColder air at the surface filtering in from the north combined with weak low pressure areas tracking across the Carolinas, produced snowfall totals between three inches and six inches across central Virginia, the Virginia northern neck, and the Virginia Eastern Shore.
• Winter Storm and Winter Weather in Virginia, February 11 to 12, 202117 eventsLow pressure passed by to the the south while high pressure remained to our north. The heaviest snow occurred around and south of Interstate 64 in central Virginia, into the Virginia Piedmont, where snowfall averaged around 3 to 6 inches.
• Winter Weather in Virginia, February 11 to 12, 202114 eventsColder air at the surface filtering in from the north combined with weak low pressure areas tracking across the Carolinas, produced snowfall and sleet totals between one half inch and three inches across central Virginia, the Middle Peninsula, and the Lower Virginia Eastern…
• Winter Weather in Maryland, February 11 to 12, 20215 eventsColder air at the surface filtering in from the north combined with weak low pressure areas tracking across the Carolinas, produced snowfall totals between one inch and four inches across the Lower Maryland Eastern Shore.
• Winter Weather in Maryland, February 11 to 12, 20213 eventsLow pressure passed by to the the south while high pressure remained to our north. The heaviest snow occurred over extreme southern Maryland, where 3 to 5 inches of snow were reported. Snowfall around 1 to 3 inches occurred south of Interstate 66 and US 50.
• Winter Storm and Winter Weather in Idaho, February 11 to 14, 20218 injured · $10,000 · 12 eventsWidespread snow and wind occurred across southeast and central Idaho.
• Winter Weather in Colorado, February 11 to 12, 20212 eventsA winter storm produced another round of moderate to heavy snow for portions of the north-central mountains. Storm totals included: 13 inches, 4 miles southeast of Mount Zirkel, 8.5 inches, 9 miles south-southeast of Spicer; with 7 inches near Brainard Lake and Longs Peak.
• Winter Storm and Winter Weather in Idaho, February 11 to 12, 20212 eventsArctic air surged into north-central Idaho late on the 11th and interacted with an atmospheric river to produce heavy snow and wind.
• Winter Weather in Virginia, February 11 to 12, 2021$20,000 · 1 eventA weak disturbance passed across the central Appalachians and lower mid-Atlantic during the late evening hours of the 11th into the early morning hours of the 12th, resulting in a mixture of snow, sleet and ice from freezing rain.
• Heavy Snow in Idaho, February 11 to 13, 20214 eventsA deep low off the coast of Oregon spread heavy snow across Southeast Oregon and Southwest Idaho over a 2 day period.
• Heavy Snow in Utah, February 11 to 14, 20214 eventsA winter storm system brought heavy snow to portions of Utah.
• Cold in South Dakota, February 11 to 16, 202124 eventsAn Arctic air mass settled over the Northern Plains for a prolonged period, producing bitterly cold temperatures and extremely low wind chills. Low temperatures were well below zero across the area, with wind chills as low as 35 below to 50 below zero.
• Extreme Cold in Minnesota, February 11 to 15, 202124 eventsThe coldest arctic air of the season settled across northwest and west-central MN. Minimum morning temperatures ranged from minus 25F to minus 48F with wind chills ranging from minus 45F to minus 60F. Daytime high temperatures remained well below zero in most locations.
• Extreme Cold in North Dakota, February 11 to 15, 202118 eventsThe coldest arctic air of the season settled across eastern ND. Minimum morning temperatures ranged from minus 25F to minus 48F with wind chills ranging from minus 45F to minus 60F. Daytime high temperatures remained well below zero in most locations.
• Winter Storm and Winter Weather in North Carolina, February 12 to 13, 2021$600,000 · 15 eventsAn area of low pressure tracked along a stalled frontal zone to the south of central NC and eventually north-northeastward along the North Carolina coast.
• Winter Storm in Michigan, February 12 to 13, 20213 eventsA unique set-up of southeast low-level winds and enhanced surface convergence lead to heavy lake effect snowfall across parts of NE lower Michigan.
• Ice Storm in Washington, February 12 to 13, 20211 eventA significant winter storm impacted all of Western Washington during the overnight period on February 12 and continuing through the morning hours of February 13.
• Extreme Cold and Cold in Texas, February 12 to 16, 202159 deaths · $61 million · 33 eventsRecord cold and windy conditions gripped Southeast Texas behind the passage of an Arctic front. The extreme cold and increased demand led to widespread power outages, loss of heat for many and led to the bursting of pipes with some losing water for many days.
• Lake-Effect Snow and Winter Weather in Michigan, February 12 to 14, 20215 eventsA strongly convergent southerly flow and deep instability off of Lake Michigan produced an intense lake enhanced snow band which clobbered southeast Upper Michigan with two separate heavy snow events, one on the 12th and a second on the 13th.
• Heavy Snow in California, February 12, 20212 eventsA series of modest Pacific storms pushed through the Sierra and western Nevada during the busy holiday weekend.
• Heavy Snow in Nevada, February 12, 20211 eventA series of modest Pacific storms pushed through the Sierra and western Nevada during the busy holiday weekend.
• Winter Weather in Mississippi, February 12, 2021$3,000 · 3 eventsLight icing occurred in the early morning hours of February 12th. Shallow cold air seeped into the region and combined with light precipitation to result in some light freezing rain and drizzle.
• Extreme Cold in Minnesota, February 12, 20212 eventsArctic air was still in place over the region the night of the 11th, but a combination of clouds and lighter winds tempered the overall drop in temperatures. The northwestern part of Cass County was able to clear out and see temperatures drop to around -30F.
• Winter Weather in Nebraska, February 12 to 14, 202124 eventsFor the second time in a nine-day stretch, South Central Nebraska saw the invasion of two separate snow events in fairly rapid succession, this time centered within a 54-hour period between the morning of Friday the 12th and the early afternoon of Sunday the 14th.
• Ice Storm and Winter Storm in Louisiana, February 12 to 17, 20215 deaths · 35 eventsThe first in a series of Arctic Cold Fronts arrived during the 12th pushing tide levels down along the coast, however the subfreezing temperatures and winter weather did not arrive until the 14th.
• Winter Weather in Kansas, February 12 to 14, 20216 eventsOver the course of a roughly 48-hour period between the mid-late morning of Friday the 12th and the mid-late morning of Sunday the 14th, this six-county North Central Kansas area saw the invasion of two separate snow events in fairly rapid succession.
• Ice Storm and Winter Storm in Texas, February 12 to 17, 20211 death · 17 eventsThe first in a series of Arctic Cold Fronts arrived during the 12th pushing tide levels down along the coast, however the subfreezing temperatures and winter weather did not arrive until the 14th.
• Heavy Snow in Washington, February 12 to 13, 20212 eventsA series of winter systems moved through the region starting Thursday Jan. 11th through Saturday Jan. 13th, and produced moderate to heavy snow across much of the forecast area. Persistent northwest flow aloft also sustained snow showers across the mountains between the systems.
• Heavy Snow in Oregon, February 12 to 13, 20211 eventA deep low off the coast of Oregon spread heavy snow across Southeast Oregon and Southwest Idaho over a 2 day period.
• Extreme Cold and Heavy Snow in Nebraska, February 12 to 15, 202117 eventsHeavy snow from low pressure across the Panhandle coupled with record breaking cold in the aftermath made things difficult for area ranchers on Valentine's Day as many were in the calving season.
• Winter Weather in Mississippi, February 12 to 13, 2021$36,000 · 12 eventsA shallow cold airmass was in place across the region. Light precipitation that fell over this cold airmass resulted in light freezing rain on the evening of February 12th into the early morning hours of February 13th. Some accumulation occurred on bridges and overpasses.
• Extreme Cold and Cold in Michigan, February 12 to 15, 202113 eventsA polar vortex descending across the Upper Great Lakes enveloped Upper Michigan in an Arctic air mass which persisted from the night of the 12th into the morning of the 15th.
• Winter Storm in Washington, February 12 to 13, 202112 eventsA significant snowstorm impacted the lowlands of Washington beginning during the evening hours of February 12 and continuing through the morning of February 13. Strong Fraser outflow was responsible for the advection of much colder air west of the Cascade Crest.
• Winter Storm and Winter Weather in Virginia, February 12 to 13, 20211 injured · 17 eventsA complex low pressure system brought with it deep moisture from the Gulf of Mexico as it moved across the central Appalachians, overriding a shallow layer of sub-freezing temperatures within high pressure established across the lower mid-Atlantic.
• Ice Storm and Winter Weather in Alabama, February 12 to 13, 20218 eventsFreezing drizzle developed during the evening hours of the 12th over northwest and north central Alabama.
• Winter Storm in Indiana, February 12 to 13, 20211 eventA combination of lake effect snow and system snow produced 5 to 7 inches of snow across portions of Porter County from the late evening of February 12th through the late morning of February 13th.
• Extreme Cold in Minnesota, February 12 to 13, 202112 eventsAn upper level low continued to pinwheel over Hudson Bay the night of the 12th and pull a reinforcing shot of arctic air into the Northland. Air temperatures dropped into the 20s and 30s Fahrenheit once again with winds of 3 to 6 mph creating wind chills as low as -44F.
• Winter Weather in Tennessee, February 12 to 13, 20213 eventsFreezing drizzle developed during the evening hours of the 12th. By late evening into the early morning hours of the 13th, an area of light freezing rain spread northeast over the area lasting through around 5-6 am followed by continued freezing drizzle and mist.
• Winter Storm in North Carolina, February 12 to 13, 20214 eventsA complex low pressure system brought with it deep moisture from the Gulf of Mexico as it moved across the central Appalachians, overriding a shallow layer of sub-freezing temperatures within high pressure established across the lower mid-Atlantic.
• Ice Storm in Virginia, February 13 to 14, 2021$1.9 million · 39 eventsThe combination of Arctic high pressure ridging into the Mid Atlantic region, and weak low pressure areas tracking across the Carolinas and off the Mid Atlantic coast, resulted in significant ice accretion between 0.25 inch and 0.50 inch due to freezing rain across much of…
• Cold in Tennessee, February 13 to 21, 20214 deaths · 1 injured · 18 eventsAn arctic airmass settled over the region in the wake of a departing winter storm. Snow cover combined with clear skies and diminishing winds to produce the coldest night across much of the Mid-South since 1989.
• Cold in Wyoming, February 13 to 15, 20216 eventsAn Arctic air mass settled over the Northern Plains for a prolonged period, producing bitterly cold temperatures and extremely low wind chills. Low temperatures were well below zero across the area, with wind chills as low as 35 below to 50 below zero.
• Heavy Snow and High Wind in Nevada, February 13 to 21, 202173 kt wind · 17 eventsA Low tracked south into southern California and eventually southwest Arizona. This produced windy conditions, and several inches of snow in Nevada.
• Winter Weather in Wisconsin, February 13, 202120 eventsAn upper level disturbance brought light, powdery snow to southern WI during very cold conditions. The small amount of snow created very slippery road conditions, resulting in numerous vehicle slide-offs and accidents on Interstates and in urban areas.
• Winter Weather in Virginia, February 13 to 14, 2021$100,000 · 5 eventsThe combination of Arctic high pressure ridging into the Mid Atlantic region, and weak low pressure areas tracking across the Carolinas and off the Mid Atlantic coast, resulted in minor ice accretion between a trace and 0.20 inch due to light freezing rain or freezing drizzle…
• Winter Weather in Maryland, February 13 to 14, 2021$50,000 · 3 eventsThe combination of Arctic high pressure ridging into the Mid Atlantic region, and weak low pressure areas tracking across the Carolinas and off the Mid Atlantic coast, resulted in minor ice accretion between a trace and 0.20 inch due to light freezing rain or freezing drizzle…
• Winter Weather in North Carolina, February 13 to 14, 2021$15,000 · 1 eventThe combination of Arctic high pressure ridging into the Mid Atlantic region, and weak low pressure areas tracking across the Carolinas and off the Mid Atlantic coast, resulted in minor ice accretion between a trace and 0.20 inch due to light freezing rain or freezing drizzle…
• Winter Storm and Extreme Cold in Texas, February 13 to 15, 202120 deaths · 66 eventsA series of weather systems brought several rounds of winter weather to South Central Texas from February 11 through February 18.
• Winter Storm and Extreme Cold in Texas, February 13 to 19, 202130 deaths · $138 million · 92 eventsA historic winter storm, that began on February 9th, 2021, continued to cripple the region through February 19th. One wave of winter precipitation moved across the region February 13-15th, with another round of snow and ice on February 16-17th.
• Cold in Texas, February 13 to 18, 2021$17 million · 17 eventsAn outbreak of arctic air moved into south Texas on the 11th. Temperatures were near freezing over the inland coastal plains of south Texas on the morning of the 12th. The cold air deepened on the 14th as a surge of arctic air arrived.
• Ice Storm and Winter Storm in Virginia, February 13 to 14, 202122 eventsLow pressure tracked into the Ohio Valley on the 13th before transferring its energy to a coastal low that moved offshore on the 14th. A period of sleet and freezing rain occurred across the area.
• Ice Storm and Winter Weather in Maryland, February 13 to 14, 202119 eventsLow pressure tracked into the Ohio Valley on the 13th before transferring its energy to a coastal low that moved offshore on the 14th. A period of sleet and freezing rain occurred across the area.
• Ice Storm in District of Columbia, February 13 to 14, 20211 eventLow pressure tracked into the Ohio Valley on the 13th before transferring its energy to a coastal low that moved offshore on the 14th. A period of sleet and freezing rain occurred across the area. Ice accumulations were around one-quarter inch.
• Winter Weather in Pennsylvania, February 13, 20216 eventsLight precipitation was forecasted with the approach and passage of a shortwave.|With weak ascent, limited mid-moisture to create ice in the cloud, and ground temperatures below freezing due to surface winds prevailing from the east/northeast, light freezing rain occurred.
• Heavy Snow in Colorado, February 13 to 14, 20213 eventsModerate to heavy snow occurred over the mountains and parts of the plains during this period, as a strong upper level system with a really cold air mass moved across the region.
• Winter Weather in Ohio, February 13, 20211 eventLight precipitation was forecasted with the approach and passage of a shortwave.|With weak ascent, limited mid-moisture to create ice in the cloud, and ground temperatures below freezing due to surface winds prevailing from the east/northeast, light freezing rain occurred.
• Winter Weather in West Virginia, February 13, 20211 eventLight precipitation was forecasted with the approach and passage of a shortwave.|With weak ascent, limited mid-moisture to create ice in the cloud, and ground temperatures below freezing due to surface winds prevailing from the east/northeast, light freezing rain occurred.
• Winter Weather in West Virginia, February 13 to 14, 202111 eventsLow pressure tracked into the Ohio Valley on the 13th before transferring its energy to a coastal low that moved offshore on the 14th. A period of sleet and freezing rain occurred across the area. Ice accumulation up to one tenth of an inch occurred.
• Winter Weather in Alabama, February 13 to 15, 20218 eventsPatchy freezing drizzle and mist continued from the 13th through the 14th and into the early morning of the 15th in northwest and a portion of north central Alabama. A brief period of light freezing rain arrived during the evening of the 14th.
• Winter Weather in Maryland, February 13, 20214 eventsWeak low pressure tracked offshore of the mid-Atlantic on February 13, spreading some light precipitation into the region. A surge of warm air aloft prevented the light precipitation from falling as snow.
• Winter Weather in Delaware, February 13, 20214 eventsWeak low pressure tracked offshore of the mid-Atlantic on February 13, spreading some light precipitation into the region. A surge of warm air aloft prevented the light precipitation from falling as snow.
• Heavy Snow and Winter Weather in Colorado, February 13 to 14, 202110 eventsAn area of low pressure lifted across the Four Corners area. Warm southwest flow out ahead of the system kept temperatures warm in the valleys with some areas receiving rain before all precipitation changed to snow as a strong cold front moved through.
• Heavy Snow in Utah, February 13 to 14, 20211 eventAn area of low pressure lifted across the Four Corners area. Warm southwest flow out ahead of the system kept temperatures warm in the valleys with some areas receiving rain before all precipitation changed to snow as a strong cold front moved through.
• Winter Weather in New Jersey, February 13 to 14, 202113 eventsWeak low pressure tracked offshore of the mid-Atlantic on February 13, spreading some light precipitation into the region. A surge of warm air aloft prevented the light precipitation from falling as snow.
• Winter Weather in Tennessee, February 13 to 15, 20213 eventsFreezing drizzle and mist continued from the 13th through the 14th and into the early morning of the 15th. Patchy freezing rain arrived during the late evening of the 14th.
• Winter Weather in Pennsylvania, February 13 to 14, 20218 eventsWeak low pressure tracked offshore of the mid-Atlantic on February 13, spreading some light precipitation into the region. A surge of warm air aloft prevented the light precipitation from falling as snow.
• Blizzard and Winter Storm in New Mexico, February 13 to 15, 2021$40,000 · 54 kt wind · 34 eventsA major and historic winter storm impacted New Mexico over multiple days from February 13th through the morning hours of February 15, 2021.
• Extreme Cold in Minnesota, February 13 to 15, 202176 eventsDuring the first week of February, an Arctic air mass moved southward across the Upper Midwest and continued through the middle of the month.
• Heavy Snow and High Wind in Arizona, February 13 to 14, 202150 kt wind · 3 eventsA strong cold front moving towards Arizona brought areas of high winds mainly along and north of the Mogollon Rim on February 13. The front brought accumulating snow to much of northern Arizona.
• Cold in Wisconsin, February 13 to 15, 202120 eventsAnother surge of bitterly cold air from Canada affected the Upper Mississippi River Valley and western Great Lakes. Wind chill temperatures mainly ranged from 25 below to 34 below zero. Warm shelters were opened in urban areas.
• Extreme Cold in Minnesota, February 13 to 16, 20218 eventsA massive arctic plunge into the Northern Plains brought almost a week of dangerous and life threatening wind chills to the region. The worst conditions were recorded between February 13 and February 16 when wind chills occasionally dropped as low as 35 below to 55 below zero.
• Extreme Cold in South Dakota, February 13 to 16, 202124 eventsA massive arctic plunge into the Northern Plains brought almost a week of dangerous and life threatening wind chills to the region. The worst conditions were recorded between February 13 and February 16 when wind chills occasionally dropped as low as 35 below to 55 below zero.
• Extreme Cold and Cold in Illinois, February 13 to 14, 202123 eventsVery cold air spread across northern Illinois and combined with the winds, produced wind chills 20 below to 30 below zero across all of northern Illinois from the afternoon of February 13th through the afternoon of February 14th.
• Extreme Cold in Minnesota, February 13 to 14, 202115 eventsThe last two nights of the arctic outbreak were the most widespread in terms extreme wind chills.
• Cold in Iowa, February 13 to 16, 202151 eventsA prolonged cold snap that ensnared much of the country intensified to it's most extreme levels across Iowa February 13 through 16 a reinforcing shot of extreme cold air out of Canada settled in.
• Winter Storm in Texas, February 13 to 15, 202114 eventsAn Arctic front brought extreme cold to Southeast Texas and a few bouts of winter precipitation. The first storm brought snow, sleet and/or freezing rain to different parts of the area.
• Extreme Cold in Iowa, February 13 to 16, 202111 eventsA massive arctic plunge into the Northern Plains brought almost a week of dangerous and life threatening wind chills to the region. The worst conditions were recorded between February 13 and February 16 when wind chills occasionally dropped as low as 35 below to 55 below zero.
• Extreme Cold in Illinois, February 13 to 15, 20219 eventsStrong Canadian high pressure settling southward into the Plains brought an extremely cold airmass into central Illinois from February 13th through February 15th. High temperatures only reached the single digits above zero, while overnight lows dropped below zero.
• Extreme Cold in Minnesota, February 13 to 15, 20214 eventsAnother shot of arctic air settled in over southeast Minnesota and produced dangerously cold wind chills of 35 to 45 below zero from the late evening of February 13th into the morning of the 15th.
• Heavy Snow in Texas, February 13 to 14, 202118 eventsAt the surface, a bitterly cold air mass dropped into Texas and eastern New Mexico. Aloft an upper level low pressure system moved into northern Mexico and ultimately east into Texas.
• Cold in Texas, February 14 to 16, 20211 death · 21 eventsOn the heels of the first significant winter storm to affect all of the Southern Plains and much of the Lower Mississippi Valley, where widespread snow ranged from 3-10 inches across East Texas on February 14th-15th, temperatures plunged to historic values by the morning of the…
• Cold in Louisiana, February 14 to 16, 20211 death · 17 eventsOn the heels of the first significant winter storm to affect all of the Southern Plains and much of the Lower Mississippi Valley, where widespread snow ranged from 2-8 inches across North Louisiana on February 14th-15th, temperatures plunged to near historic values by the…
• Winter Storm and Extreme Cold in Missouri, February 14 to 16, 2021$95,000 · 65 eventsAn extended period of unseasonably cold weather gripped central and southwest Missouri between February 7 and February 18. The coldest temperatures and wind chills occurred from February 14 through February 16.
• Extreme Cold in Missouri, February 14 to 16, 2021111 eventsOn February 5, a cold air mass settled into the center part of the country, which caused temperatures to go below freezing. They would not return to the freezing/melting point until several weeks later. The worst of the cold snap occurred between February 14 through February 16.
• Heavy Snow in Oklahoma, February 14, 202135 eventsAn impressively cold airmass was in place as an upper trough crossed the region, bringing heavy snow to much of the area. Widespread 4-6 totals were reported, with isolated amounts approaching 10.
• Extreme Cold in Kansas, February 14 to 16, 202121 eventsOn February 5, a cold air mass settled into the center part of the country, which caused temperatures to go below freezing. They would not return to the freezing/melting point until several weeks later. The worst of the cold snap occurred between February 14 through February 16.
• Winter Storm in Texas, February 14 to 15, 202121 eventsA very cold, arctic air mass continued to deepen as it shifted south across Southeast Oklahoma, Southwest Arkansas, Northeast Texas, and North Louisiana on February 14th-15th, ahead of a large upper trough that traversed east across the Southern Plains.
• Winter Storm in Louisiana, February 14 to 15, 202117 eventsA very cold, arctic air mass continued to deepen as it shifted south across Southeast Oklahoma, Southwest Arkansas, Northeast Texas, and North Louisiana on February 14th-15th, ahead of a large upper trough that traversed east across the Southern Plains.
• Winter Storm in Arkansas, February 14 to 15, 20219 eventsA very cold, arctic air mass continued to deepen as it shifted south across Southeast Oklahoma, Southwest Arkansas, Northeast Texas, and North Louisiana on February 14th-15th, ahead of a large upper trough that traversed east across the Southern Plains.
• Cold in Arkansas, February 14 to 16, 20219 eventsOn the heels of the first significant winter storm to affect all of the Southern Plains and much of the Lower Mississippi Valley, where widespread snow ranged from 4-10 inches across Southwest Arkansas on February 14th-15th, temperatures plunged to near historic values by the…
• Winter Storm and Extreme Cold in Kansas, February 14 to 15, 20216 eventsAn extended period of unseasonably cold weather gripped southeast Kansas between February 7 and February 18. The coldest temperatures and wind chills occurred from February 14 through February 16.
• Cold in Wisconsin, February 14, 20215 eventsCold air remained across northern Wisconsin on the morning of February 14th with lows of -15 F to -30 F. The combination of the bitter cold and light winds created wind chills of -35 F to -40 F across central and north-central Wisconsin.
• Heavy Snow in Texas, February 14, 20214 eventsAn impressively cold airmass was in place as an upper trough crossed the region, bringing heavy snow to much of the area. Widespread 4-6 totals were reported, with isolated amounts approaching 10.
• Winter Storm in Oklahoma, February 14 to 15, 20211 eventA very cold, arctic air mass continued to deepen as it shifted south across Southeast Oklahoma, Southwest Arkansas, and Northeast Texas on February 13th-14th, ahead of a large upper trough that traversed east across the Southern Plains.
• Cold in Oklahoma, February 14 to 16, 20211 eventOn the heels of the first significant winter storm to affect all of the Southern Plains and much of the Lower Mississippi Valley, where widespread snow ranged from 5-8 inches across Southeast Oklahoma on February 14th-15th, temperatures plunged to near historic values by the…
• Extreme Cold in Colorado, February 13 to 16, 20213 eventsAn arctic air mass moved into east-central Colorado and resided in the area for several days. Wind chills warmed during the daytime before dropping to or below Wind Chill Warning criteria during the night.
• Extreme Cold in Iowa, February 14 to 15, 20213 eventsAnother shot of arctic air settled in over northeast Iowa and produced dangerously cold wind chills of 35 to 40 below zero from the early morning of February 14th into the morning of the 15th.
• Cold in Illinois, February 14, 202116 eventsArctic high pressure centered over the northern Plains brought dangerously low wind chills during the early and mid morning hours. Gusty north winds were accompanied by actual temperatures in the single digits.
• Extreme Cold in Wisconsin, February 14 to 15, 202116 eventsDuring the first week of February, an Arctic air mass moved southward across the Upper Midwest and continued through the middle of the month.
• Cold in Missouri, February 14, 20219 eventsArctic high pressure centered over the northern Plains brought dangerously low wind chills during the early and mid morning hours. Gusty north winds were accompanied by actual temperatures in the single digits and teens.
• Heavy Snow in New Mexico, February 14 to 15, 20216 eventsAn Arctic cold front pushed in from the east while a deep upper trough was moving through the Four Corners region. Snowfall amounts up to 9 inches fell in Gila region and Sacramento Mountains while over 4 inches fell in parts of the lowlands.
• Cold in Indiana, February 14, 20214 eventsArctic high pressure centered over the northern Plains brought dangerously low wind chills during the early and mid morning hours. Gusty north winds were accompanied by actual temperatures in the single digits and teens.
• Extreme Cold in Wisconsin, February 14 to 15, 20211 eventAnother shot of arctic air settled in over north central Wisconsin and produced dangerously cold wind chills of 35 to 45 below zero from the early morning of February 14th into the morning of the 15th.
• Heavy Snow in New Mexico, February 14, 20211 eventAt the surface, a bitterly cold air mass dropped into Texas and eastern New Mexico. Aloft an upper level low pressure system moved into northern Mexico and ultimately east into Texas.
• Extreme Cold in Nebraska, February 14 to 16, 202130 eventsA three day stretch of cold weather resulted in several record cold temperatures were set. Wind chill temperatures between -30F and -40F were observed across most of the area.
• Winter Storm in Oklahoma, February 14 to 15, 202125 eventsArctic air had spread into eastern Oklahoma and northwestern Arkansas on the 8th, and gradually deepened across the region.
• Winter Storm in Texas, February 14 to 15, 202124 eventsFor a few days in mid-February, the South Plains saw some of the coldest air it had observed in a decade. The polar vortex was displaced by a strong ridge of high pressure at the north pole. This allowed the polar vortex to dip down into south-central Canada.
• Extreme Cold in Wisconsin, February 14, 20218 eventsThe last two nights of the arctic outbreak were the most widespread in terms extreme wind chills.
• Extreme Cold in Nebraska, February 14 to 16, 20212 eventsA massive arctic plunge into the Northern Plains brought almost a week of dangerous and life threatening wind chills to the region. The worst conditions were recorded between February 13 and February 16 when wind chills occasionally dropped as low as 35 below to 55 below zero.
• Extreme Cold and Heavy Snow in Texas, February 14 to 17, 20213 deaths · $60,000 · 31 eventsA historic outbreak of arctic air resulted in record breaking cold temperatures during an extreme cold spell that lasted almost two weeks for some locations across the combined Texas and Oklahoma Panhandles.
• Extreme Cold in Nebraska, February 14 to 16, 20213 eventsAn arctic air mass moved into southwestern Nebraska and resided in the area for several days. Wind chills warmed during the daytime before dropping to or below Wind Chill Warning criteria during the night.
• Winter Storm in Mississippi, February 14 to 15, 202122 eventsA weak disturbance on Sunday resulted in a seeder/feeder process and a period of light snow across much of the area with up to an inch falling.
• Winter Storm and Heavy Snow in Tennessee, February 14 to 15, 202121 eventsA weak disturbance on Sunday resulted in a seeder/feeder process and a period of light snow across much of the area with up to an inch falling.
• Cold in Indiana, February 14, 20212 eventsCold air spread across northwest Indiana and combined with the wind, produced wind chills 20 below to 30 below zero during the morning of Februrary 14th.
• Extreme Cold in Kansas, February 14 to 16, 202113 eventsAn arctic air mass moved northwestern Kansas and resided in the area for several days. Wind chills warmed during the daytime before dropping to or below Wind Chill Warning criteria during the night.
• Heavy Snow and Winter Weather in Texas, February 14 to 15, 202124 eventsA powerful Valentines Snow Storm, with subzero wind chills, low visibilities in blowing and heavy snow swept across a large part of West Central Texas. This heavy snow and blowing snow made travel very difficult over most of the area.
• Heavy Snow in Arkansas, February 14 to 15, 202110 eventsA weak disturbance on Sunday resulted in a seeder/feeder process and a period of light snow across much of the area with up to an inch falling.
• Extreme Cold in Iowa, February 14 to 16, 20218 eventsA three day stretch of cold weather resulted in several record cold temperatures were set. Wind chill temperatures between -30F and -40F were observed across most of the area.
• Heavy Snow in Missouri, February 14 to 15, 20212 eventsA weak disturbance on Sunday resulted in a seeder/feeder process and a period of light snow across much of the area with up to an inch falling.
• Heavy Snow in Texas, February 14, 2021$6,000 · 1 eventAn Arctic cold front pushed in from the east while a deep upper trough was moving through the Four Corners region. Snowfall amounts of up to 6.2 inches were reported across El Paso.
• Cold in Oklahoma, February 14 to 16, 20211 death · 48 eventsExtreme and record breaking cold peaked across Oklahoma and Texas during the 14th-16th, with wind chills of -20 to as low as -30 degrees reported in much of the area.
• Cold in Texas, February 14 to 16, 20218 eventsExtreme and record breaking cold peaked across Oklahoma and Texas during the 14th-16th, with wind chills of -20 to as low as -30 degrees reported in much of the area. Air temperatures in the -10 to -20 range we also common on the 16th.
• Winter Weather and Sleet in Mississippi, February 14, 2021$485,000 · 19 eventsAnother round of winter precipitation moved across the region on February 14th. A cold airmass was settling into the region and precipitation fell from the morning through the afternoon. As this precipitation fell, it encountered the cold airmass, with only minor melting.
• Winter Weather in Louisiana, February 14, 2021$20,000 · 2 eventsAnother round of winter precipitation moved across the region on February 14th. A cold airmass was settling into the region and precipitation fell from the morning through the afternoon. As this precipitation fell, it encountered the cold airmass, with only minor melting.
• Winter Storm in Arkansas, February 14 to 15, 20217 eventsArctic air had spread into eastern Oklahoma and northwestern Arkansas on the 8th, and gradually deepened across the region.
• Heavy Snow in Arkansas, February 14 to 16, 202147 eventsPrior to the arrival of system number one, Winter Storm Warnings were in effect for the whole state on the 14th.
• Cold in Texas, February 14 to 16, 2021$31 million · 31 eventsCold wind chill temperatures of at least from -10 to -15 degrees impacted a large part of West Central Texas from the early afternoon of the February 14th until the late morning on February 15.
• Winter Storm and Winter Weather in Kansas, February 14 to 15, 202114 eventsWith a historically cold Arctic air mass in place, snow overspread the region on Valentine's Day and continued through February 15th. Most locations across southern and eastern Kansas picked up between 2 and 6 inches of snow.
• Heavy Snow in Oregon, February 14 to 15, 20213 eventsA cold front and upper level trough in northwest flow aloft resulted in another round of light to moderate snowfall across the forecast area starting during the day on Sunday Feb. 14th through the morning of Monday February 15th.
• Extreme Cold in Texas, February 14 to 16, 2021$321,000 · 14 eventsVery bitter arctic air with ambient temperatures dropping to near zero or below zero and north winds of 15 to 25 mph with gusts to near 30 mph on February 14, continued into the morning of February 15.
• Cold in Illinois, February 14 to 15, 202117 eventsCold air continued across northern Illinois and combined with the winds, produced wind chills 20 below to 30 below zero from the evening of February 14th through the morning of February 15th.
• Ice Storm in Texas, February 14 to 15, 202112 eventsArctic air mass moved into south Texas on February 11th. The cold air deepened over the region on the 14th. A deep upper trough was over Texas with a strong upper level jet moving into south Texas late on the 14th and during the morning hours of the 15th.
• Heavy Snow in Illinois, February 14 to 16, 202126 eventsCanadian high pressure anchored over the Northern Plains allowed an extremely cold airmass to filter southward into central Illinois on February 14th, resulting in afternoon high temperatures only reaching the single digits above zero everywhere north of the I-70 corridor.
• Heavy Snow in Missouri, February 14 to 15, 202115 eventsA prolonged period of well below normal and at times record temperatures and light snowfall events culminated in a classic winter storm on Presidents Day that brought up to 10-12 inches of snow to the county warning area.
• Heavy Snow in Illinois, February 14 to 15, 202114 eventsA prolonged period of well below normal and at times record temperatures and light snowfall events culminated in a classic winter storm on Presidents Day that brought up to 10-12 inches of snow to the county warning area.
• Winter Storm in Missouri, February 14 to 15, 202111 eventsA strong storm system in the upper levels of the atmosphere moved east-northeast across the lower and mid Mississippi Valley on President's Day. A round of light snow the night before President's Day produced an inch or two in many locations.
• Winter Storm and Heavy Snow in Washington, February 14 to 16, 20214 eventsA winter storm brought heavy snow and winds to eastern Washington on February 14th and 15th. Winds reached gusts of 20-30 mph and produced blowing snow, especially in the Palouse.
• Heavy Snow in Washington, February 14 to 15, 20211 eventHeavy Snow affected the Blue Mountain Foothills of WA February 14-15.
• Winter Storm in Tennessee, February 14 to 15, 2021$13 million · 24 eventsAn Arctic airmass spread across Middle Tennessee from Thursday February 11 through Sunday February 14, 2021, bringing very cold temperatures in the teens and 20s along with lengthy periods of freezing drizzle.
• Ice Storm and Winter Storm in Kentucky, February 14 to 16, 202165 eventsA significant winter/ice storm struck eastern Kentucky from February 14th to 16th 2021. Ice accumulations from freezing rain ranged from 0.25 inches to as much as 0.75 inches by the the time the storm had ended. Sleet accumulations of 0.3 to as much as 2 inches also occurred.
• Winter Storm in Illinois, February 14 to 15, 202119 eventsA strong storm system in the upper levels of the atmosphere moved east-northeast across the lower and mid Mississippi Valley on President's Day. A round of light snow the night before President's Day produced an inch or two in many locations.
• Winter Storm in Alabama, February 14 to 18, 20218 eventsA persistent, large-scale trough over the United States favored an active period of weather across the Central Gulf Coast region, with parts of Central Alabama experiencing several waves of wintry precipitation over a span of five days.
• Winter Storm in Indiana, February 14 to 16, 20215 eventsA strong winter storm moved across northwest Indiana on February 15th and 16th producing 6 to 10 inches of snow. Lake enhanced snow combined to produce 12 to 18 inches across northern Lake and northern Porter Counties.
• Winter Storm in Kentucky, February 14 to 15, 20211 death · 1 injured · 22 eventsA strong storm system in the upper levels of the atmosphere moved east-northeast across the lower and mid Mississippi Valley on President's Day. A round of light snow the night before President's Day produced an inch or two in many locations.
• Heavy Snow in Indiana, February 14 to 16, 20214 injured · $675,000 · 39 eventsWidespread snow arrived to central Indiana during the overnight hours from February 14th into the 15th. Snow would be heaviest during the afternoon and evening hours on the 15th with gradual improvement during the morning hours.
• Heavy Snow in Texas, February 14 to 15, 20216 eventsArctic air mass moved into south Texas on February 11th. The cold air deepened over the region on the 14th. A deep upper trough was over Texas with a strong upper level jet moving into south Texas late on the 14th and during the morning hours of the 15th.
• Ice Storm and Winter Storm in Kentucky, February 14 to 16, 20211 death · 2 injured · 46 eventsA significant winter storm with heavy mixed precipitation impacted central Kentucky from late on Valentine's Day through the early morning hours of February 16, 2021. The majority of the precipitation occurred on February 15, 2021.
• Winter Storm in Indiana, February 14 to 16, 202110 eventsA significant winter storm rolled into the Ohio Valley late on Valentine's Day, with the worst weather occurring on February 15, 2021. The storm exited the region on the 16th. Up to a half a foot of snow fell on southern Indiana.
• Extreme Cold in Wisconsin, February 14 to 15, 20218 eventsThe last night of the arctic outbreak was once again widespread, affecting almost all of the Northland.
• Extreme Cold in Nebraska, February 14 to 16, 202125 eventsBitterly cold temperatures combined with northwesterly wind of 5 to 15 mph to produce dangerous wind chill values as low as 45 below across most of western and north central Nebraska from the early morning hours February 15th through mid morning hours on the 16th.
• Extreme Cold in Minnesota, February 14 to 15, 202114 eventsThe last night of the arctic outbreak was once again widespread, affecting almost all of the Northland.
• Cold in Wisconsin, February 14 to 15, 20214 eventsCold air remained across northern Wisconsin on the morning of February 15th with lows of -25 F to -40 F. The combination of the bitter cold and light winds created wind chills of -35 F to -45 F across central and north-central Wisconsin.
• Winter Storm and Winter Weather in Ohio, February 15 to 16, 2021$50,000 · 9 eventsA fast moving, yet significant winter storm moved through the area on the morning of February 15th. As the system moved through, a warm nose of air moving northward resulted in a second round of mixed precipitation in just a few short days after the previous storm.
• Winter Storm in Indiana, February 14 to 15, 20216 eventsA strong storm system in the upper levels of the atmosphere moved east-northeast across the lower and mid Mississippi Valley on President's Day. A round of light snow the night before President's Day produced an inch or two in many locations.
• Winter Storm and Winter Weather in Pennsylvania, February 15 to 16, 202116 eventsA low pressure system advanced into the Ohio River Valley and brought a wintry mix of snow, sleet, and freezing rain.
• Winter Storm and Winter Weather in Ohio, February 15 to 16, 202110 eventsA low pressure system advanced into the Ohio River Valley and brought a mix bag of snow, sleet, and freezing rain due to warm advection.
• Winter Weather in West Virginia, February 15 to 16, 20215 eventsA low pressure system advanced into the Ohio River Valley and brought a mix bag of snow, sleet, and freezing rain due to warm advection.
• Winter Storm and Heavy Snow in Idaho, February 14 to 16, 20214 eventsA winter storm brought widespread snow to the Idaho Panhandle on February 14th and 15th. Light snow continued to linger in the Idaho Panhandle into the 16th. Moderate to heavy snow accumulations, from 4 to 10 inches, fell in the southern half of the Panhandle.
• Winter Storm and Sleet in Louisiana, February 15, 2021$500,000 · 9 eventsWhile several rounds of winter weather occurred leading up to February 15, 2021, the first major winter precipitation event occurred on this day.
• Winter Storm in Kentucky, February 15 to 16, 20215 eventsA low pressure system moved through the Ohio Valley on February 15th to the 16th. Snow was primarily found northwest and along the I-71 corridor, with more sleet found to the southeast of it.
• Ice Storm and Winter Storm in Mississippi, February 15, 2021$4.5 million · 47 eventsWhile several rounds of winter weather occurred leading up to February 15, 2021, the first major winter precipitation event occurred on this day.
• Winter Storm in Indiana, February 15 to 16, 20217 eventsA low pressure system moved through the Ohio Valley on February 15th to the 16th. Snow was primarily found northwest and along the I-71 corridor, with more sleet found to the southeast of it.
• Winter Storm in Ohio, February 15 to 16, 202119 eventsA low pressure system moved through the Ohio Valley on February 15th to the 16th. Snow was primarily found northwest and along the I-71 corridor, with more sleet found to the southeast of it. Numerous reports of a wintery mix cut down overall snow totals significantly.
• Winter Storm and Lake-Effect Snow in Ohio, February 15 to 17, 202129 eventsLow pressure developed over the northern Gulf of Mexico on the morning of February 15 and moved northeast into the Tennessee and Ohio River Valleys through the afternoon and evening hours.
• Winter Storm and Heavy Snow in Arkansas, February 15, 2021$140,000 · 2 eventsWhile several rounds of winter weather occurred leading up to February 15, 2021, the first major winter precipitation event occurred on this day.
• Ice Storm and Winter Storm in West Virginia, February 15 to 16, 2021$189,000 · 25 eventsA second ice storm impacted the Tri-State region of Kentucky, Ohio, and West Virginia within a span of a week.
• Ice Storm and Winter Storm in Kentucky, February 15 to 16, 2021$75,000 · 4 eventsA fast moving, yet significant winter storm moved through the area on the morning of February 15th. As the system moved through, a warm nose of air moving northward resulted in a second round of mixed precipitation in just a few short days after the previous storm.
• Winter Storm and Winter Weather in Illinois, February 15 to 16, 20211 death · 1 injured · 19 eventsA strong winter storm moved across northern Illinois on February 15th and 16th, producing a widespread area of 4 to 8 inches of snow.
• Ice Storm in Tennessee, February 15, 2021$629,000 · 3 eventsWidespread freezing rain, moderate to heavy at times, moved into southern middle Tennessee between after 6 am LST. A period of heavy freezing rain occurred during the late morning and midday hours when several tenths of an inch of ice and liquid equivalent were measured.
• Ice Storm and Winter Storm in Pennsylvania, February 15 to 16, 202118 eventsA moisture-laden system developed over the Gulf States and pushes up the spine of the Appalachians, bring a wintry mix of snow, sleet and freezing rain to central Pennsylvania from the evening of February 15 into the morning of February 16.
• Ice Storm in Alabama, February 15, 20216 eventsWidespread freezing rain, moderate to heavy at times, moved into northwest and north central Alabama after 6 am LST.
• Lake-Effect Snow and Winter Weather in Pennsylvania, February 15 to 17, 20213 eventsLow pressure developed over the northern Gulf of Mexico on the morning of February 15 and moved northeast into the Tennessee and Ohio River Valleys through the afternoon and evening hours.
• Winter Storm in Wyoming, February 15 to 17, 20213 eventsThe next in a series of Pacific troughs and ample moisture brought another round of heavy snow to portions of the western mountains and the Star Valley. The heaviest snow fell at the Jackson Hole Ski Resort where 30 inches of new snow fell.
• Ice Storm and High Wind in Tennessee, February 15, 202160 kt wind · 3 eventsSoutherly winds across the southern Appalachians produced high winds on the lee side of the mountains in East Tennessee. Meanwhile, a shallow cold air mass spread from Kentucky into the Cumberland Plateau, which resulted in freezing rain in the northern portions of Scott County.
• Winter Storm and Winter Weather in Maryland, February 15 to 16, 20213 eventsA wave of low pressure passed by to the west while high pressure remained entrenched to the north and east, keeping colder air in place.
• Winter Weather in West Virginia, February 15 to 16, 20212 eventsA wave of pressure passed by to the west while high pressure remained entrenched to the north and east, keeping colder air in place. Ice accumulations between one and two tenths of an inch were reported along the higher elevations of the Allegheny Highlands in West Virginia.
• Heavy Snow in Washington, February 15 to 17, 20211 eventStrong cyclonic flow continued over much of the lower 48 in mid February, with Western Washington experiencing much colder than normal conditions.
• Winter Weather in Colorado, February 15 to 16, 20216 eventsAn area of enhanced lift in the unsettled northwesterly flow aloft produced a quick shot of moderate snow across the mountains of western Colorado as well as some of the lower valleys in southwest Colorado. Winds gusted from 45 to 55 mph at times in the higher elevations.
• Winter Storm and Heavy Snow in Utah, February 15 to 17, 20212 eventsA winter storm system brought heavy snow to northern Utah, including historic avalanche conditions in Little Cottonwood Canyon, and even heavy snow in the Salt Lake Valley.
• Winter Storm in Indiana, February 15 to 16, 202124 eventsA burst of moderate to heavy snow accumulated to between 6 and 12 inches late in the afternoon on February 15th through the early morning hours of February 16th. Intense snowfall rates and gusty winds led to significant blowing and drifting with many roads becoming impassible.
• Winter Storm in Ohio, February 15 to 16, 20218 eventsA burst of moderate to heavy snow accumulated to between 6 and 12 inches late in the afternoon on February 15th through the early morning hours of February 16th. Intense snowfall rates and gusty winds led to significant blowing and drifting with many roads becoming impassible.
• Heavy Snow in Idaho, February 15 to 17, 20212 eventsAbundant sub-tropical moisture was lifted over cold low-level air leading to widespread snow.
• Winter Storm and Winter Weather in Wisconsin, February 15 to 16, 20215 eventsLow pressure lifting north across eastern Kentucky and Ohio brought wrap around snow to southeast and east-central Wisconsin on the evening of February 15.
• Heavy Snow in Michigan, February 15 to 16, 202114 eventsA significant winter storm impacted Southeast Michigan from the evening of February 15 into the morning hours of February 16. A potent southern stream wave lifted northeast from eastern Texas and through the Ohio Valley.
• Winter Storm in Michigan, February 15 to 16, 20213 eventsA low pressure system moved east across the Lower Ohio Valley region bringing snow to|southern and central lower Michigan.
• Ice Storm and Winter Weather in Pennsylvania, February 15 to 16, 202110 eventsLow pressure tracked just east of the Great Lakes from the overnight hours of February 15 into the morning of the 16th. The low produced widespread precipitation over the mid-Atlantic.
• Winter Storm in Michigan, February 15 to 16, 20215 eventsA burst of moderate to heavy snow accumulated to between 6 and 8 inches late in the afternoon on February 15th through the early morning hours of February 16th. Intense snowfall rates and gusty winds led to significant blowing and drifting with many roads becoming impassible.
• Winter Weather in New York, February 15 to 16, 20211 eventA broad area of low pressure tracked from the Middle Atlantic and Ohio Valley on Monday, February 15, 2021 to over New England on February 16, 2021.
• Winter Storm and Winter Weather in New York, February 15 to 16, 202127 eventsLight snow moved into portions of eastern New York during the late evening of the 15th, and turned to freezing rain through the night before ending around sunrise on the 16th.
• Heavy Snow in New Mexico, February 15 to 18, 202114 eventsWith a very cold air mass still in place across New Mexico, another Pacific storm system brought snow to western and northern portions of the state. Snow began late on February 15, 2021 across western and central New Mexico.
• Heavy Snow in Wyoming, February 15 to 17, 20212 eventsOver half inch of snow water equivalent was measured by several sensors across the Snowy and Sierra Madre Ranges to accumulate estimated snowfall totals over twelve inches.
• Winter Weather in Massachusetts, February 15 to 16, 20212 eventsLight snow moved into portions of western Massachusetts during the late evening of the 15th, and turned to freezing rain through the night before ending around sunrise on the 16th.
• Heavy Snow in Oregon, February 15 to 17, 20211 eventAn upper level shortwave and persistent moist northwest flow aloft continued to produce heavy snowfall across the northern Blue Mountains the afternoon of Monday Feb. 15th through the morning of Wednesday Feb. 17th.
• Heavy Snow in Washington, February 15 to 17, 20211 eventAn upper level shortwave and persistent moist northwest flow aloft continued to produce heavy snowfall across the northern Blue Mountains the afternoon of Monday Feb. 15th through the morning of Wednesday Feb. 17th.
• Winter Weather in New Jersey, February 15 to 16, 20217 eventsLow pressure tracked just east of the Great Lakes from the overnight hours of February 15 into the morning of the 16th. The low produced widespread precipitation over the mid-Atlantic.
• Winter Storm in New York, February 15 to 16, 20216 eventsA deep trough dug across the nation's midsection with an outbreak of Arctic air from the Great Plains to Texas. Low pressure developed near Louisiana and tracked across Pennsylvania toward southern New England on the eastern fringe of the cold air mass.
• Ice Storm in New York, February 15 to 16, 20212 eventsA winter storm swept across the Northeastern US and brought a wintry mix to Central New York and Northeast Pennsylvania. A few counties received up to a half inch of ice. Snowfall generally ranged from around an inch to around 6 inches, along with a coating of ice.
• Ice Storm in Pennsylvania, February 15 to 16, 20211 eventA winter storm swept across the Northeastern US and brought a wintry mix to Central New York and Northeast Pennsylvania. A few counties received up to a half inch of ice. Snowfall generally ranged from around an inch to around 6 inches, along with a coating of ice.
• Winter Weather in Vermont, February 16, 202116 eventsA cross country storm system, responsible for heavy snows in Seattle, snow, ice and report cold in the southern Plains and the Tennessee valley moved into New England during the overnight hours of February 15-16th.
• Winter Weather in New York, February 16, 20218 eventsA cross country storm system, responsible for heavy snows in Seattle, snow, ice and report cold in the southern Plains and the Tennessee valley moved into New England during the overnight hours of February 15-16th.
• Winter Weather in Michigan, February 16, 20212 eventsAnother arctic air mass over the area combined with convergent north to northeast winds generated moderate to heavy lake effect snow into western Alger and eastern Marquette counties on the morning of the 16th.
• Heavy Snow in Arizona, February 15 to 16, 20211 eventA shortwave trough and associated cold front moved across northern Arizona overnight and during the morning with heavy snow in northern Apache County.
• Winter Storm and Heavy Snow in Maine, February 16, 202113 eventsA fast moving intensifying low tracked across the Gulf of Maine...close to the Downeast coast...to New Brunswick from the 15th to the 16th. Snow expanded northeast across the region through the early morning hours of the 16th...persisting into the afternoon.
• Winter Weather in Alabama, February 16, 20211 eventA persistent period of mostly light snow and snow showers developed during the early morning of the 16th, carrying on through early evening.
• Cold in Illinois, February 16, 202119 eventsIn the wake of the departing Presidents Day winter storm, Arctic air surged south on gusty north winds. Dangerously low wind chills were observed during the early and mid morning hours.
• Cold in Missouri, February 16, 202111 eventsIn the wake of the departing Presidents Day winter storm, Arctic air surged south on gusty north winds. Dangerously low wind chills were observed during the early and mid morning hours.
• Cold in Alabama, February 16, 20217 eventsWind chills dropped into the Zero to -5 degree range at times for a few hours.
• Cold in Tennessee, February 16, 20213 eventsWind chills dropped into the Zero to -5 degree range at times for a few hours.
• Cold in Arkansas, February 16, 202110 eventsAn arctic airmass settled over the region in the wake of a departing winter storm. Snow cover combined with clear skies and diminishing winds to produce the coldest night across much of the Mid-South since 1989.
• Cold in Mississippi, February 16, 20215 eventsAn arctic airmass settled over the region in the wake of a departing winter storm. Snow cover combined with clear skies and diminishing winds to produce the coldest night across much of the Mid-South since 1989.
• Cold in Missouri, February 16, 20212 eventsAn arctic airmass settled over the region in the wake of a departing winter storm. Snow cover combined with clear skies and diminishing winds to produce the coldest night across much of the Mid-South since 1989.
• Cold in Kentucky, February 16, 20219 eventsIn the wake of the departing Presidents Day winter storm, Arctic air surged south on gusty north winds. Dangerously low wind chills were observed during the early and mid morning hours.
• Winter Weather in Mississippi, February 16, 20215 eventsA band of light precipitation moved across portions of eastern Mississippi on the morning of February 16th. This precipitation and the cold airmass in place result in some light snow accumulating across this region.
• Winter Weather in Texas, February 16, 202114 eventsA quick moving upper level short wave trough moved from the Four Corners region to northeastern New Mexico during the day and evening of the 16th.
• Heavy Snow in New Mexico, February 16, 20213 eventsCold air remained in place behind an Arctic front that moved through the region on Valentine's Day while another upper trough was deepening as it crossed the southern Rockies. Snowfall amounts up to 11 inches were reported in the Sacramento Mountains.
• Winter Weather in Missouri, February 16 to 17, 202134 eventsAnother storm system brought widespread snowfall to southeast Kansas from the evening hours of February 16th to around midday February 17th.
• Heavy Snow in Texas, February 16, 20215 eventsThe record cold airmass remained entrenched over the area as yet another trough approached from the west. Snowfall covered most of Oklahoma but the heaviest snow fell across southern OK and western north Texas where 6 to as much as 8 inches were reported.
• Ice Storm in Texas, February 16 to 17, 20211 death · 17 eventsCold air remained in place across south Texas through the 16th and 17th. Strong warm air advection developed above the cold air at the surface as another disturbance in the upper levels approached south Texas on the night of the 16th.
• Winter Storm in Texas, February 16 to 18, 20211 death · $17 million · 14 eventsOn the heels of the first winter storm and historically cold temperatures observed earlier in the week across all of the Southern Plains and much of the Lower Mississippi Valley, a second significant winter storm developed across much of these areas from February 16th-18th, with…
• Winter Storm in Texas, February 16 to 17, 2021$7.6 million · 7 eventsOn the heels of the first winter storm and historically cold temperatures observed earlier in the week across all of the Southern Plains and much of the Lower Mississippi Valley, a second significant winter storm developed across much of these areas from February 16th-17th, with…
• Winter Storm in Arkansas, February 16 to 18, 2021$694,000 · 6 eventsOn the heels of the first winter storm and historically cold temperatures observed earlier in the week across all of the Southern Plains and much of the Lower Mississippi Valley, a second significant winter storm developed across much of these areas from February 16th-18th, with…
• Winter Storm in Arkansas, February 16 to 17, 2021$157,000 · 3 eventsOn the heels of the first winter storm and historically cold temperatures observed earlier in the week across all of the Southern Plains and much of the Lower Mississippi Valley, a second significant winter storm developed across much of these areas from February 16th-19th, with…
• Winter Storm in Oklahoma, February 16 to 17, 202117 eventsA strong storm system translated along a similar path to the winter storm that impacted the area on February 14th and 15th. It moved into the Southern Plains from the Southern Rockies on the 16th.
• Winter Storm in Louisiana, February 16 to 18, 202117 eventsOn the heels of the first winter storm and historically cold temperatures observed earlier in the week across all of the Southern Plains and much of the Lower Mississippi Valley, a second significant winter storm developed across much of these areas from February 16th-18th, with…
• Cold in Michigan, February 16 to 17, 20214 eventsAn arctic air mass produced bitter cold wind chills over portions of western Upper Michigan from late on the 16th into the morning of the 17th.
• Winter Storm in Oklahoma, February 16 to 17, 20211 eventOn the heels of the first winter storm and historically cold temperatures observed earlier in the week across all of the Southern Plains and much of the Lower Mississippi Valley, a second significant winter storm developed across much of these areas from February 16th-19th, with…
• Heavy Snow in Oklahoma, February 16 to 17, 202130 eventsThe record cold airmass remained entrenched over the area as yet another trough approached from the west. Snowfall covered most of Oklahoma but the heaviest snow fell across southern OK and western north Texas where 6 to as much as 8 inches were reported.
• Winter Storm in Texas, February 16 to 18, 202120 eventsA series of weather systems brought several rounds of winter weather to South Central Texas from February 11 through February 18. The next round of winter weather came February 16 and 17.
• Winter Storm in Arkansas, February 16 to 17, 20212 eventsA strong storm system translated along a similar path to the winter storm that impacted the area on February 14th and 15th. It moved into the Southern Plains from the Southern Rockies on the 16th.
• Winter Weather in Kansas, February 16 to 17, 20213 eventsAnother storm system brought widespread snowfall to southeast Kansas from the evening hours of February 16th to around midday February 17th.
• Ice Storm in Texas, February 17, 202112 eventsA storm brought a period of freezing rain and significant icing to interior portions of Southeast Texas.
• Heavy Snow in Arkansas, February 17 to 19, 202148 eventsBefore you blinked, along came system number two. Snow spread across the north/west from the late evening of the 16th into the predawn hours of the 17th.
• Cold in West Virginia, February 17, 20212 eventsA blustery northwest flow from a Canadian airmass led to wind chills around minus ten degrees over western Grant and western Pendleton Counties.
• Cold in Virginia, February 17, 20211 eventA blustery northwest flow from a Canadian airmass led to wind chills around minus ten degrees over western Highland County.
• Heavy Snow in Tennessee, February 17 to 18, 202121 eventsA weak disturbance ahead of the main trough brought light snow to northeast Arkansas and the Missouri Bootheel during the early morning hours of Wednesday, February 17th. Meanwhile, another potent mid-level trough approached the Lower Mississippi Valley.
• Heavy Snow in Arkansas, February 17, 202110 eventsA weak disturbance ahead of the main trough brought light snow to northeast Arkansas and the Missouri Bootheel during the early morning hours of Wednesday, February 17th. Meanwhile, another potent mid-level trough approached the Lower Mississippi Valley.
• Heavy Snow in Missouri, February 17, 20212 eventsA weak disturbance ahead of the main trough brought light snow to northeast Arkansas and the Missouri Bootheel during the early morning hours of Wednesday, February 17th. Meanwhile, another potent mid-level trough approached the Lower Mississippi Valley.
• Winter Weather in Missouri, February 17 to 18, 202111 eventsAn initial round of light snow impacted southeast Missouri during the early morning hours on the 17th. After a lull, snow spread northeastward from Arkansas during the late afternoon and early evening hours.
• Winter Weather in Illinois, February 17 to 18, 202119 eventsAn initial period of light snow impacted mainly southwest Illinois during the early morning hours on the 17th. After a lull, snow spread northeastward from Tennessee and Arkansas during the late afternoon and early evening hours.
• Winter Storm and High Wind in Alaska, February 17, 202174 kt wind · 3 eventsA trough pushed in from the west with strong SE winds aloft and low level E-NE winds causing an over-running situation. Rates through the morning were very heavy with accumulation of 2 inches reported in just 1 hour.
• Winter Storm and Heavy Snow in Mississippi, February 17 to 18, 2021$1.2 million · 22 eventsA weak disturbance ahead of the main trough brought light snow to northeast Arkansas and the Missouri Bootheel during the early morning hours of Wednesday, February 17th. Meanwhile, another potent mid-level trough approached the Lower Mississippi Valley.
• Winter Storm in Arkansas, February 17 to 18, 2021$75,000 · 2 eventsAs an arctic air mass continued to build southward across the South on February 17th, another wave of precipitation overspread this cold air mass across southeastern Arkansas.
• Winter Storm and Winter Weather in Kentucky, February 17 to 18, 202122 eventsAn initial round of light snow impacted far west Kentucky during the early morning hours on the 17th. After a lull, snow spread northeastward from Tennessee and Arkansas during the late afternoon and early evening hours.
• Winter Storm in Wyoming, February 17 to 18, 20211 eventHeavy snowfall was observed by COOP observer near Buford where over 6.0 inches of snowfall was measured.
• Heavy Snow in Colorado, February 17 to 18, 20216 eventsA period of heavy snow was noted across southern Colorado during this time frame. Snow was observed across much of southern Colorado, especially the Wet and Sangre de Cristo mountains, and Pikes Peak region.
• Winter Storm in Tennessee, February 17 to 18, 2021$30,000 · 36 eventsAfter a major winter storm brought significant freezing rain, sleet, and snow to Middle Tennessee earlier in the week, another winter storm from Wednesday February 17 into Thursday February 18, 2021, brought the most widespread, heavy snowfall Middle Tennessee had seen in 5…
• Winter Storm and Winter Weather in Alabama, February 17 to 18, 20219 eventsAnother high impact winter weather event struck much of north Alabama during the evening of the 18th into the early morning hours of the 19th. A strong frontal boundary remained nearly stationary along the spine of the Cumberland Plateau.
• Heavy Snow in Kentucky, February 17 to 18, 20212 deaths · 2 injured · $35,000 · 4 eventsThe third significant winter storm in a week moved into the area during the late evening hours of February 17th. What began as snow, transitioned to a wintry mix in some areas as the night progressed.
• Winter Storm and Heavy Snow in West Virginia, February 17 to 18, 2021$61,000 · 36 eventsA third winter storm in a short span of time impacted West Virginia with snow and freezing rain, this time on February 17th through the 18th.
• Winter Storm and Heavy Snow in Kentucky, February 17 to 18, 202173 eventsA winter storm brought heavy snow to eastern Kentucky on February 17th and 18th 2021. Storm total snowfall amounts varied from as little as an inch to as much as 6 inches in a couple of locations. Many locations around the area received 3.5 to 4 inches of snow from this storm.
• Heavy Snow and Winter Weather in Ohio, February 17 to 18, 2021$20,000 · 5 eventsA third winter storm in a short span of time impacted southeast Ohio, this time on February 17th through the 18th. The low pressure system involved in this event prompted a band of heavy snow along the Ohio River on the evening of the 17th and continued into the day on the 18th.
• Winter Storm in Kentucky, February 17 to 18, 202114 eventsThe third winter storm in a little more than a week impacted central and eastern Kentucky on February 17-18, 2021. Arctic cold air had pushed far enough south and east by this point that this winter storm featured snow as the dominant precipitation type.
• Winter Weather in Indiana, February 17 to 18, 20217 eventsOne to two inches of snow fell over the region.
• Winter Weather in Kentucky, February 17 to 18, 20215 eventsOne to two inches of snow fell over the region.
• Winter Weather in Ohio, February 17 to 18, 20211 eventOne to two inches of snow fell over the region.
• Winter Weather in Colorado, February 17 to 18, 20214 eventsLight to moderate snow occurred near the Front Range Foothills and Palmer Divide. Storm totals included: 12.5 inches at Conifer, 11 inches near Evergreen, Larkspur and Morrison, 10.5 inches near Genesee and Pinecliffe, 10 inches near Jamestown, 9 inches near Crisman and…
• Winter Storm in Tennessee, February 17 to 18, 20213 eventsAnother high impact winter weather event struck much of north Alabama and southern middle Tennessee during the evening of the 18th into the early morning hours of the 19th. A strong frontal boundary remained nearly stationary along the spine of the Cumberland Plateau.
• Winter Weather in Indiana, February 17 to 18, 20216 eventsSnow spread northeastward from Tennessee and Arkansas during the late afternoon and early evening hours. The most concentrated area of snow occurred across southwest Indiana during the evening and overnight hours.
• Heavy Snow in Tennessee, February 17 to 18, 20212 eventsA winter storm brought light snow to much of East Tennessee in the early morning hours of February 18, but heavy snow was reported in portions of the Cumberland Plateau.
• Winter Weather in North Carolina, February 17 to 18, 202114 eventsMoisture and precipitation overspread the western Carolinas late in the evening of the 17th and continued into the morning of the 18th in association with an area of low pressure moving along the Gulf Coast.
• Ice Storm in North Carolina, February 17 to 18, 20218 eventsMoisture and precipitation overspread the western North Carolina late in the evening of the 17th and continued into the morning of the 18th in association with an area of low pressure moving along the Gulf Coast.
• Winter Weather in South Carolina, February 17 to 18, 20211 eventMoisture and precipitation overspread the upstate South Carolina late in the evening of the 17th and continued into the morning of the 18th in association with an area of low pressure moving along the Gulf Coast.
• Winter Storm and Winter Weather in North Carolina, February 17 to 18, 20216 eventsA complex low pressure system brought deep moisture from the Gulf of Mexico as it moved across the central Appalachians, overriding a shallow layer of sub-freezing temperatures within high pressure established across the lower mid-Atlantic.
• Winter Storm and Winter Weather in Virginia, February 18, 202125 eventsA complex low pressure system brought deep moisture from the Gulf of Mexico as it moved across the central Appalachians, overriding a shallow layer of sub-freezing temperatures within high pressure established across the lower mid-Atlantic.
• Winter Storm and Winter Weather in West Virginia, February 18 to 19, 20216 eventsAnother low pressure system brought a few inches of snow to the region Feb 18th to 19th. Heaviest snowfall was observed east of Pittsburgh in the ridges.
• Winter Weather in Pennsylvania, February 18 to 19, 20215 eventsAnother low pressure system brought a few inches of snow to the region Feb 18th to 19th. Heaviest snowfall was observed east of Pittsburgh in the ridges.
• Winter Storm in Virginia, February 18 to 19, 2021$960,000 · 32 eventsStrong surface high pressure centered from the Midwest into New England helped to supply low level cold air into the area, as a prolonged Classic Cold Air Damming regime was in place throughout the duration of the event.
• Winter Weather in Virginia, February 18 to 19, 2021$115,000 · 8 eventsStrong surface high pressure centered from the Midwest into New England helped to supply low level cold air into the area, as a prolonged Classic Cold Air Damming regime was in place throughout the duration of the event.
• Winter Weather in Maryland, February 18 to 19, 2021$45,000 · 3 eventsStrong surface high pressure centered from the Midwest into New England helped to supply low level cold air into the area, as a prolonged Classic Cold Air Damming regime was in place throughout the duration of the event.
• Winter Storm in West Virginia, February 18, 20215 eventsA complex low pressure system brought deep moisture from the Gulf of Mexico as it moved across the central Appalachians, overriding a shallow layer of sub-freezing temperatures within high pressure established across the mountains of southeast West Virginia.
• Winter Storm in Pennsylvania, February 18, 20212 eventsLow pressure developed over the Gulf Coast states and progressed northeastward and off the Carolina coast on February 18, 2021, pushing a swath of generally light snow across central Pennsylvania.
• Winter Weather in New York, February 18 to 19, 202117 eventsA long duration wintry weather event occurred on Thursday, February 18, 2021 through Friday, February 19, 2021. A frontal wave of low pressure developed off the Middle Atlantic coast on February 18, 2021.
• Winter Storm and Winter Weather in Maryland, February 18 to 19, 202125 eventsLow pressure passed by to the west as it tracked into the Ohio Valley and Great Lakes on the 18th into the morning of the 19th, before transferring its energy to a coastal low along the Mid-Atlantic Coast. The coastal low moved out to sea later on the 19th.
• Winter Storm and Winter Weather in Virginia, February 18 to 19, 202124 eventsLow pressure passed by to the west as it tracked into the Ohio Valley and Great Lakes on the 18th into the morning of the 19th, before transferring its energy to a coastal low along the Mid-Atlantic Coast. The coastal low moved out to sea later on the 19th.
• Winter Storm and Winter Weather in West Virginia, February 18 to 19, 202119 eventsLow pressure passed by to the west as it tracked into the Ohio Valley and Great Lakes on the 18th into the morning of the 19th, before transferring its energy to a coastal low along the Mid-Atlantic Coast. The coastal low moved out to sea later on the 19th.
• Winter Weather in North Carolina, February 18 to 19, 202116 eventsAn area of low pressure tracked across the Deep South and eventually along the coast of the Carolinas. Meanwhile, cold surface high pressure to the north continued to extend into the area.
• Winter Storm and Winter Weather in Pennsylvania, February 18 to 19, 202113 eventsWeak low pressure passed offshore of the mid-Atlantic on February 18. Another weak, secondary wave of low pressure tracked along a similar path along a frontal zone trailing behind the primary low on the 19th.
• Winter Weather in Delaware, February 18 to 19, 20213 eventsWeak low pressure passed offshore of the mid-Atlantic on February 18. Another weak, secondary wave of low pressure tracked along a similar path along a frontal zone trailing behind the primary low on the 19th.
• Winter Weather in Maryland, February 18 to 19, 20213 eventsWeak low pressure passed offshore of the mid-Atlantic on February 18. Another weak, secondary wave of low pressure tracked along a similar path along a frontal zone trailing behind the primary low on the 19th.
• Winter Storm and Winter Weather in New Jersey, February 18 to 19, 202118 eventsWeak low pressure passed offshore of the mid-Atlantic on February 18. Another weak, secondary wave of low pressure tracked along a similar path along a frontal zone trailing behind the primary low on the 19th.
• Winter Weather in New Jersey, February 18 to 19, 20219 eventsA long duration wintry weather event occurred on Thursday, February 18, 2021 through Friday, February 19, 2021. A frontal wave of low pressure developed off the Middle Atlantic coast on February 18, 2021.
• Winter Weather in California, February 18 to 20, 20213 eventsAn upper trough amplified across the coast of the Pacific Northwest during late February and aided in the development of mountain snow and coastal hail in northwest California.
• Winter Weather in Connecticut, February 18 to 19, 20218 eventsA long duration wintry weather event occurred on Thursday, February 18, 2021 through Friday, February 19, 2021. A frontal wave of low pressure developed off the Middle Atlantic coast on February 18, 2021.
• Winter Weather in New York, February 18 to 19, 20218 eventsPeriods of light to moderate snow occurred on the 18th and 19th. Snow accumulated two to five inches over the majority of eastern New York, with the highest totals in the Mid-Hudson Valley and eastern Catskills. The snow prompted some schools to close or be delayed on the 19th.
• Winter Weather in Texas, February 18, 20214 eventsAnother storm system brought 2-3 inches of snow to portions of the Northern Edwards Plateau and Northwest Hill Country. The snow made travel difficult at times.
• Winter Weather in Michigan, February 19, 20211 eventA lake effect snow band dropped moderate snowfall into portions of southern Schoolcraft County on the 19th.
• Winter Storm in Wyoming, February 19 to 20, 20213 eventsYet another Pacific cold front brought another round of moderate to heavy snow to the western mountains. The highest amounts once again fell at the Jackson Hole Ski Resort where 29 inches of new snow fell.
• Winter Storm in Michigan, February 19 to 20, 20214 eventsVery light low-level flow amidst a shortwave moving over the Great Lakes lead to lake effect snow enhanced by mesoscale features, resulting in heavy snowfall across parts of the area near the Lake Michigan shoreline.
• Winter Storm and Avalanche in Idaho, February 19 to 20, 20211 death · 4 eventsMore snow and wind gusts closed many roads in the Upper Snake River Highlands again on the 19th and 20th of February.
• Lake-Effect Snow in New York, February 19 to 20, 20216 eventsA progressive mid-level trough passed across the eastern Great Lakes. Wrap around moisture increased across the area, and cold air advection sent temperatures plummeting.
• Lake-Effect Snow in New York, February 19 to 20, 20212 eventsBehind a departing storm system, a cold and moist northwest flow of air crossed the relatively warm waters of Lake Ontario.
• Winter Weather in Idaho, February 19 to 23, 20213 eventsAnother wind event closed roads in eastern Idaho. Winds gusted 45 to 55 mph and closed US Highway 26 and Idaho Highways 32 and 33.
• Winter Weather in Colorado, February 20 to 21, 20213 eventsA positively tilted trough dug into the Great Basin before quickly progressing across western Colorado. Modest forcing aloft and orographic lift led to enhanced snowfall along the Continental Divide with moderate snow reported in the northern and some central zones.
• Winter Weather in Wyoming, February 20, 20211 eventSnow squall conditions were observed by a Wyoming Department of Transportation sensor along Interstate 80 at the Summit or eleven miles southeast of Laramie with under quarter mile visibility and wind gusts up to 24 mph.

Every billion-dollar disasterEvery storm of 2021Tornadoes in 2021

NOAA NCEI, U.S. Billion-Dollar Weather and Climate Disasters (2025), https://doi.org/10.25921/stkw-7w73, and the Storm Events Database for the episodes.