Groundhog Day Blizzard

Losses, 2024 dollars

$2.6 billion

Losses at the time

$1.8 billion

Deaths

36

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 Minnesota, January 30 to 31, 201113 eventsA prolonged snowfall became moderate to heavy on during the evening of January 30th and the morning of January 31st. Total accumulations varied from 6 to 10 inches, except for lesser amounts near the southern border of the state.
• Lake-Effect Snow in Minnesota, January 30 to 31, 20111 eventA small convective snow shower formed over the tip of Lake Superior late at night on January 30th. The tiny storm dumped 9 inches on the Park Point section of Duluth MN, just east of downtown Duluth.
• Lake-Effect Snow in Wisconsin, January 30 to 31, 20111 eventConvective snow showers developed in a cold airmass over the nose of Lake Superior late in the evening of January 30. Heavy snow fell in a localized area two miles east of Superior, WI where 8 to 9 inches of snow accumulated overnight.
• Winter Storm and Winter Weather in South Dakota, January 31, 201118 eventsA prolonged snowfall became moderate to heavy on January 31st in Brookings, Lake, and Moody Counties with total accumulations of 6 to 10 inches. There were some areas of blowing snow as winds increased. Lesser amounts of snow fell further west and south in southeast South Dakota.
• Winter Weather in Iowa, January 31, 20111 eventSnow accumulated 3 to 6 inches over the extreme northwest corner of Iowa in Lyon County on January 31st. Winds gusting to over 30 mph caused areas of blowing snow. Lesser snowfall was reported to the east and south in northwest Iowa.
• Extreme Cold in Montana, January 30 to 31, 20118 eventsThe center of a strong arctic high pressure moved into the Canadian Prairies forcing cold air to move into the area.
• Blizzard and Winter Storm in Kansas, January 31, 201121 injured · $50,000 · 26 eventsA massive winter storm of historic proportions affected the region from the early morning hours January 31st through the evening hours February 1st.
• Cold in New Mexico, January 31, 20111 death · 1 eventThe third exposure death in the Farmington area of the winter season occurred during the morning of the 31st.
• Winter Storm and Winter Weather in Colorado, January 31, 201110 eventsA Pacific low pressure system moved eastward across the area and produced significant snowfall in the mountains and some lower elevation areas of western Colorado.
• Winter Storm and Winter Weather in Kansas, January 31, 20111 death · 6 eventsFollowing a brief warm spell in late January, winter quickly returned to North Central Kansas on the last day of the month as a large upper level low pressure system carved into the central United States, bringing some of the coldest air of the season with it.
• Winter Weather in Kentucky, January 31, 20111 injured · $35,000 · 6 eventsNumerous car accidents resulted early on the morning of January 31st, as light freezing rain created slick roadways in Fleming and Rowan counties.
• Winter Storm and Winter Weather in Nebraska, January 31, 201118 eventsFollowing a brief warm spell in late January, winter quickly returned to South Central Nebraska on the last day of the month as a large upper level low pressure system carved into the central United States, bringing some of the coldest air of the season with it.
• Winter Storm in Nebraska, January 31, 201119 eventsA large upper level system that dropped southeast from the northern Rockies split into two pieces, one tracked across the central plains while the other drifted southwest across the southwestern U.S.
• Winter Storm in Missouri, January 31, 201129 eventsThe first true blizzard in many years hit from Central to Northeast Missouri. Up to 20 inches of snow fell along with winds gusting over 40 mph. For many counties it was a record snowfall event. I-70 was shut down from Warren County to just east of Kansas City.
• Heavy Snow in Iowa, January 31, 20113 eventsAn upper level system dropped southeast into the north central U.S. during the day on the 31st. This combined with an inverted trough across the state that resulted in snow across much of the state. The snow was heavier across the northern counties into Minnesota.
• Winter Storm in Iowa, January 31, 20117 eventsA large upper level system that dropped southeast from the northern Rockies split into two pieces, one tracked across the central plains while the other drifted southwest across the southwestern U.S.
• Winter Weather in Utah, January 31, 20112 eventsA Pacific low pressure system moved eastward across the area and produced significant snowfall in some mountain areas of eastern Utah.
• Heavy Snow in New Mexico, January 31, 201129 eventsTwo successive upper level storm systems effectively brought a one-two punch to New Mexico. Winter weather began on the 31st of January when an arctic cold front blasted through the eastern plains.
• Winter Storm in Illinois, January 31, 201116 eventsThe first true blizzard in many years hit from West Central parts of Southwest Illinois. Up to 22 inches of snow fell along with winds gusting over 40 mph. For many counties it was a record snowfall event.
• Winter Storm in Indiana, January 31, 20117 eventsA powerful winter storm moved across the United States, bringing severe winter weather to central Indiana from January 31 through February 2. Freezing rain, sleet, snow, strong winds, and arctic air impacted the state.
• Winter Weather in Colorado, January 31, 20114 eventsThree to 4 inches of snow was noted near Cuchara and Walsenburg (Huerfano County)...Rye (Pueblo County)...and near Colorado Springs (El Paso County).
• Heavy Snow in Wisconsin, January 31, 20113 eventsPersistent northeast winds picked up plenty of moisture from Lake Michigan, producing snow showers that dropped more than a foot of snow at several locations in the counties bordering the lake. An upper atmospheric disturbance also contributed to the snow process.
• Winter Weather in Maryland, January 31, 20112 eventsA wave of low pressure passed by to the south during the evening hours of the 31st. Light precipitation fell in the form of freezing rain across lower southern Maryland before the wave moved out to sea later that evening.
• Extreme Cold in North Dakota, January 31, 201127 eventsDangerous wind chill conditions developed across the Northern Plains Monday night January 31st through Tuesday morning February 1st as Arctic high pressure pushed south into the region.
• Extreme Cold in Montana, January 31, 201114 eventsThe center of a strong arctic high pressure moved through the Canadian prairies generating extreme cold conditions across northeast Montana with the combination of winds and frigid temperatures. The event continued for all the zones into February 1st.
• Ice Storm and Heavy Snow in Pennsylvania, January 31, 20119 eventsA surface low pressure system, intially analyzed in east Texas on January 31st moved northeast over the Ohio Valley to western Pennsylvania by Wednesday morning, Febraury 2nd.
• Ice Storm in Ohio, January 31, 20114 eventsA surface low pressure system, intially analyzed in east Texas on January 31st moved northeast over the Ohio Valley to western Pennsylvania by Wednesday morning, Febraury 2nd.
• Ice Storm in Maryland, January 31, 20111 eventA surface low pressure system, intially analyzed in east Texas on January 31st moved northeast over the Ohio Valley to western Pennsylvania by Wednesday morning, Febraury 2nd.
• Winter Storm in Oklahoma, January 31, 201142 eventsA powerful winter storm began to take shape during the evening hours of the 31st and continued into the 1st of February. Most of the accumulating snow occurred on February 1, but thunder-sleet and snow did affect many locations after dark on the 31st.
• Extreme Cold in Nebraska, January 31, 201122 eventsA bitter cold arctic air mass with temperatures in the single digits below zero combined with northwest winds of 20 to 40 mph during the evening hours on January 31st.
• Winter Storm in Texas, January 31, 20114 eventsA powerful winter storm began to take shape during the evening hours of the 31st and continued into the 1st of February.
• Ice Storm and Winter Weather in Ohio, February 1 to 2, 20112 deaths · 4 injured · 30 eventsAn ice storm hit the Ohio Valley, beginning late in the evening of January 31st. Low pressure traced from Texas to the lower Great Lakes region, and strengthened as it crossed the Ohio Valley.
• Ice Storm and Winter Storm in Indiana, February 1 to 2, 20111 death · 47 eventsA powerful winter storm moved across the United States, bringing severe winter weather to central Indiana from January 31 through February 2. Freezing rain, sleet, snow, strong winds, and arctic air impacted the state.
• Winter Storm and Winter Weather in Ohio, February 1 to 2, 2011$9.2 million · 29 eventsAn area of low pressure developed over the southern Plains on February 1st and then moved quickly northeast. This low moved across northern Ohio during the morning hours of February 2nd. Three waves of wintry precipitation were associated with this storm across northern Ohio.
• Winter Weather in Maryland, February 1 to 2, 201124 eventsLow pressure over the Ohio Valley caused periods of precipitation during the first into the morning hours of the second.
• Ice Storm and Heavy Snow in Pennsylvania, February 1 to 2, 20119 eventsA surface low pressure system, intially analyzed in east Texas on January 31st moved northeast over the Ohio Valley to western Pennsylvania by Wednesday morning, Febraury 2nd.
• Ice Storm and Winter Weather in Indiana, February 1, 20118 eventsAn ice storm hit the Ohio Valley, beginning late in the evening of January 31st. Low pressure traced from Texas to the lower Great Lakes region, and strengthened as it crossed the Ohio Valley.
• Winter Weather in West Virginia, February 1 to 2, 20118 eventsLow pressure over the Ohio Valley caused periods of precipitation during the first into the morning hours of the second.
• Ice Storm in Ohio, February 1 to 2, 20114 eventsA surface low pressure system, intially analyzed in east Texas on January 31st moved northeast over the Ohio Valley to western Pennsylvania by Wednesday morning, Febraury 2nd.
• Winter Weather in Kentucky, February 1, 20114 eventsA significant ice storm hit the northern portion of the Ohio Valley. Some locations across northern Kentucky reported a light glaze before the rain overspread the area and melted any icy accumulations.
• Ice Storm in Maryland, February 1, 20111 eventA surface low pressure system, intially analyzed in east Texas on January 31st moved northeast over the Ohio Valley to western Pennsylvania by Wednesday morning, Febraury 2nd.
• Ice Storm and Winter Storm in Texas, February 1 to 4, 20113 deaths · 37 injured · $4.4 million · 31 eventsThe first week of February 2011 was plagued with two winter weather events and persistent cold temperatures. The first winter storm began late on January 31st and ended during the morning hours of February 1st.
• Blizzard and Winter Storm in Missouri, February 1, 20114 deaths · 1 injured · $140,000 · 33 eventsA major winter storm brought heavy wintry precipitation to the Missouri Ozarks and southeast Kansas on February 1, 2011.
• Blizzard and Winter Storm in Oklahoma, February 1, 20113 deaths · 5 injured · $30 million · 24 eventsA very strong storm system moved across the Southern Rockies into the Southern Plains on the 31st of January and 1st of February. Cold air had surged into the region ahead of this system on the 30th and 31st.
• Winter Storm and Extreme Cold in Texas, February 1 to 4, 20112 deaths · 6 injured · $1.4 million · 48 eventsA winter storm impacted west Texas during the pre-dawn hours of the 1st, and marked the onset of a prolonged outbreak of arctic air in the Southern Plains.
• Blizzard and Winter Storm in Kansas, February 1, 20111 death · 4 injured · $54,000 · 26 eventsA massive winter storm of historic proportions affected the region from the early morning hours January 31st through the evening hours February 1st.
• Winter Storm and Winter Weather in Oklahoma, February 1, 20111 death · 48 eventsAfter a relatively quiet early winter, a dose of reality, in the form of a major, record-setting winter storm, affected all of Oklahoma from late on January 31 through February 1.
• Winter Storm in Pennsylvania, February 1 to 2, 20119 injured · $500,000 · 8 eventsA protracted winter storm dropped several inches of sleet and snow in the Poconos and included a long period of freezing rain that produced ice accretions of up to half an inch in the Lehigh Valley and the Philadelphia suburbs.
• Winter Storm in New Jersey, February 1 to 2, 20119 injured · $100,000 · 7 eventsA protracted winter storm dropped several inches of sleet and snow in Sussex County and included a long period of freezing rain that produced ice accretions of around half an inch in the Raritan Basin and the rest of Northwest New Jersey.
• Winter Storm and Extreme Cold in Nebraska, February 1 to 2, 201149 eventsA large upper level system dropped southeast from the northern Rockies and then split into two pieces, one tracked across the central plains while the other drifted southwest across the southwestern U.S.
• Blizzard and Winter Storm in Missouri, February 1 to 2, 201146 eventsThe first true blizzard in many years hit from Central to Northeast Missouri. Up to 20 inches of snow fell along with winds gusting over 40 mph. For many counties it was a record snowfall event.
• Winter Storm in Pennsylvania, February 1 to 2, 201131 eventsA large winter storm brought periods of snow, sleet and freezing rain to central Pennsylvania.
• Extreme Cold in North Dakota, February 1, 201127 eventsDangerous wind chill conditions developed across North Dakota January 31 through February 1 as Arctic high pressure pushed into the region. North winds up to 15 mph combined with subzero temperatures to result in wind chill temperatures of 40 below to 55 below zero.
• Extreme Cold in Nebraska, February 1 to 2, 201127 eventsA bitter cold arctic air mass with temperatures mainly in the single digits below zero combined with northwest winds of 20 to 40 mph during overnight and morning hours on February 1st and again during the overnight hours on February 2nd as temperatures dropped to 10 to 15 below…
• Extreme Cold in South Dakota, February 1 to 2, 201124 eventsFalling temperatures and strong north to northwest winds produced dangerous wind chills throughout the first day of February and on the morning of February 2nd.
• Winter Storm and Extreme Cold in Nebraska, February 1, 201123 eventsFollowing a brief warm spell in late January, winter quickly returned to South Central Nebraska on January 31st as a large upper level low pressure system carved into the central United States, bringing some of the coldest air of the season with it.
• Blizzard and Winter Storm in Illinois, February 1 to 2, 201120 eventsThe first true blizzard in many years hit West Central and parts of Southwest Illinois. Up to 22 inches of snow fell along with winds gusting over 40 mph. For many counties it was a record snowfall event.
• Blizzard and Winter Storm in Kansas, February 1, 201117 eventsA severe winter storm brought near blizzard and blizzard conditions to much of eastern and northeastern Kansas on February 1 2011. Many areas received 6 to 10 inches of wind blown snow within a 12 hour period. Most of the snow fell between 6am and 9pm on February 1.
• Winter Storm in Texas, February 1, 201116 eventsA deepening surface low, a frigid arctic front, and a digging upper level jet stream interacted with gulf moisture to produce a variety of weather like thunder snow, thunder sleet, freezing rain, pea size hail, and locally heavy rainfall across a large part of West Central…
• Extreme Cold in Iowa, February 1 to 2, 201111 eventsFalling temperatures and strong north to northwest winds produced dangerous wind chills throughout the first day of February and on the morning of February 2nd.
• Winter Storm and Cold in Iowa, February 1 to 2, 201111 eventsA large upper level system dropped southeast from the northern Rockies and then split into two pieces, one tracked across the central plains while the other drifted southwest across the southwestern U.S.
• Ice Storm and Winter Storm in New York, February 1 to 2, 20119 eventsA complex low pressure system tracked northeast from the Lower Mississippi River Valley into the Ohio Valley Tuesday, February 1st into Tuesday Night , with a secondary low pressure developing over the Delmarva region and tracking southeast of Long Island on Wednesday February…
• Extreme Cold in Minnesota, February 1 to 2, 20118 eventsFalling temperatures and strong north to northwest winds produced dangerous wind chills throughout the first day of February and on the morning of February 2nd.
• Winter Storm in Arkansas, February 1, 20117 eventsA very strong storm system moved across the Southern Rockies into the Southern Plains on the 31st of January and 1st of February. Cold air had surged into the region ahead of this system on the 30th and 31st.
• Ice Storm in New Jersey, February 1 to 2, 20117 eventsA complex low pressure system tracked northeast from the Lower Mississippi River Valley into the Ohio Valley Tuesday, February 1st into Tuesday Night, with a secondary low pressure developing over the Delmarva region and tracking southeast of Long Island on Wednesday February…
• Winter Weather in New Jersey, February 1, 20116 eventsA weak low pressure system that developed along a warm front and moved east of the state on the 1st helped produce a light wintry mix in interior central and southern New Jersey during the first half of the day on the 1st.
• Winter Storm and Winter Weather in Kansas, February 1, 20116 eventsFollowing a brief warm spell in late January, winter quickly returned to North Central Kansas on the last day of the month as a large upper level low pressure system carved into the central United States, bringing some of the coldest air of the season with it.
• Winter Weather in Delaware, February 1, 20115 eventsA weak low pressure system that developed along a warm front and moved east of the state on the 1st helped produce a light wintry mix in Delaware during the first half of the morning on the 1st.
• Winter Weather in Maryland, February 1, 20115 eventsA weak low pressure system that developed along a warm front and moved east of the state on the 1st helped produce a light wintry mix along the Eastern Shore during the first half of the day on the 1st.
• Heavy Snow in Wisconsin, February 1, 20113 eventsPersistent northeast winds picked up plenty of moisture from Lake Michigan, producing snow showers that dropped more than a foot of snow at several locations in the counties bordering the lake. An upper atmospheric disturbance also contributed to the snow process.
• Winter Weather in Illinois, February 1 to 2, 2011$4,000 · 3 eventsA strengthening low pressure system tracked northeast from the southern Plains, passing across the Lower Ohio Valley. On the north and west side of the low pressure track, a period of freezing rain caused hazardous conditions.
• Extreme Cold in Nebraska, February 1 to 2, 20112 eventsFalling temperatures and strong north to northwest winds produced dangerous wind chills throughout the first day of February and on the morning of February 2nd.
• Winter Weather in Pennsylvania, February 1, 20112 eventsA weak low pressure system that developed along a warm front and moved east of the state on the 1st helped produce a light wintry mix in Philadelphia and Delaware Counties during the first half of the day on the 1st.
• Winter Storm in Texas, February 1, 20111 eventAfter a relatively quiet early winter, a dose of reality, in the form of a major, record-setting winter storm, affected north Texas from late on January 31 through February 1.
• Winter Weather in Missouri, February 1 to 2, 2011$4,000 · 1 eventA strengthening low pressure system tracked northeast from the southern Plains, passing across the Lower Ohio Valley. On the north and west side of the low pressure track, a period of freezing rain caused hazardous conditions.
• Extreme Cold in Texas, February 1 to 4, 2011$5.0 million · 2 eventsA strong upper low dropped down the Northern Rockies which pushed a back door arctic cold front through the region. An upper level ridge was located over the eastern Pacific with the arctic jet steam diving south to the Mexican border.
• Winter Storm in Pennsylvania, February 1 to 2, 2011$800,000 · 3 eventsAn area of low pressure developed over the southern Plains on February 1st and then moved quickly northeast. This low moved across northern Ohio and into western Pennsylvania during the morning hours of February 2nd.
• Heavy Snow in New Mexico, February 1 to 2, 20114 injured · 29 eventsTwo successive upper level storm systems effectively brought a one-two punch to New Mexico. Winter weather began on the 31st of January when an arctic cold front blasted through the eastern plains.
• Winter Storm and Winter Weather in New York, February 1 to 2, 201127 eventsA complex low pressure system originating from the deep south brought heavy snow and sleet to east central New York.
• Winter Storm and Extreme Cold in Colorado, February 1 to 2, 201117 eventsA Pacific low pressure system moved eastward across the area and produced significant snowfall in the mountains and some lower elevation areas of western Colorado.
• Extreme Cold in Montana, February 1, 201114 eventsThe center of a strong arctic high pressure moved through the Canadian prairies generating extreme cold conditions across northeast Montana with the combination of winds and frigid temperatures.
• Winter Weather in Virginia, February 1 to 2, 20118 eventsLow pressure over the Ohio Valley caused periods of precipitation during the first into the morning hours of the second.
• Extreme Cold and Winter Weather in Utah, February 1 to 2, 20115 eventsA Pacific low pressure system moved eastward across the area and produced significant snowfall in some mountain areas of eastern Utah. The Pacific low was quickly followed by Arctic air and gusty winds that spread southward across northeast Utah.
• Heavy Snow in New Mexico, February 1 to 2, 20113 eventsA strong upper low dropped down the Northern Rockies which pushed an arctic back door cold front through the region. Over a foot of snow fell in the Sacramento Mountains with lesser amounts over the Gila and lowlands of Southern New Mexico.
• Extreme Cold in Colorado, February 1 to 4, 20113 eventsA frigid Arctic airmass settled into the Front Range Urban Corridor to start out the month. At Denver International Airport overnight low temperatures on the 1st through the 3rd were 13 below zero, 17 below zero and zero respectively.
• Winter Storm and Winter Weather in Connecticut, February 1 to 2, 20112 eventsA complex low pressure system originating from the deep south brought heavy snow and sleet to Litchfield County Connecticut.
• Winter Weather in District of Columbia, February 1, 20111 eventLow pressure over the Ohio Valley caused a period of precipitation during the morning hours of the first.
• Extreme Cold in Idaho, February 1 to 2, 20116 eventsSeveral school closings occurred in southeast Idaho due to the extremely cold conditions on both Feb 1st and 2nd. Widespread wind chill readings of -25 to -40 degrees occurred on the morning of the 1st.
• Winter Storm in Missouri, February 1, 20115 eventsA winter storm moving through the southern U.S. produced snow across southeast Kansas and southern Missouri. A band of heavy snowfall impacted extreme southwest Missouri and along the Missouri and Arkansas border where some areas received up to a foot.
• Winter Storm and Hail in Arkansas, February 1, 2011$740,000 · 1 in hail · 59 eventsA low pressure center tracked across Arkansas on the 1st, taking a path from near Texarkana to the Missouri Bootheel. In the colder air to the northwest of the low, freezing rain and sleet occurred, then precipitation changed over to light snow.
• Ice Storm and Winter Storm in Connecticut, February 1 to 2, 2011$3.5 million · 5 eventsA complex low pressure system tracked northeast from the Lower Mississippi River Valley into the Ohio Valley Tuesday, February 1st into Tuesday Night , with a secondary low pressure developing over the Delmarva region and tracking southeast of Long Island on Wednesday February…
• Blizzard and Winter Storm in Missouri, February 1 to 2, 201137 eventsA historic winter storm impacted a wide swath of the central and eastern United|States on Tuesday, February 1st into Wednesday, February 2nd. This was one of the|strongest blizzards ever to impact the region.
• Winter Storm in Massachusetts, February 1 to 2, 20112 eventsA complex low pressure system originating from the deep south brought heavy snow to the Berkshires of Massachusetts.
• Blizzard in Kansas, February 1, 20113 eventsA major winter storm brought heavy wintry precipitation to the Missouri Ozarks and southeast Kansas on February 1, 2011.
• Winter Storm in Vermont, February 1 to 2, 20113 eventsA complex low pressure system originating from the deep south brought heavy snow to southern Vermont. Initially light snow overspread the area as a result of a weak area of low pressure moving northeastward off the mid Atlantic and northeast coasts on Tuesday, February 1st.
• Winter Storm in Massachusetts, February 1 to 2, 2011$6.4 million · 18 eventsA series of low pressure centers impacted the Southern New England Region with a combination of heavy snows and ice.
• Winter Storm in Connecticut, February 1 to 2, 2011$3.9 million · 3 eventsA series of low pressure centers impacted the Southern New England Region with a combination of heavy snows and ice.
• Winter Storm in Rhode Island, February 1 to 2, 20113 eventsA series of low pressure centers impacted the Southern New England Region with a combination of heavy snows and ice.
• Extreme Cold in New Mexico, February 1 to 4, 2011$1.2 million · 7 eventsA strong upper low dropped down the Northern Rockies which pushed a back door arctic cold front through the region. An upper level ridge was located over the eastern Pacific with the arctic jet steam diving south to the Mexican border.
• Blizzard in Illinois, February 1 to 2, 201114 deaths · 2 injured · $525,000 · 18 eventsA powerful and enormous winter storm moved across northern Illinois with blizzard conditions across much of the area which paralayzed the region.
• Blizzard in Missouri, February 1 to 2, 20112 eventsA tremendous blizzard, one of the worst in memory, impacted much of the region on February 1-2, 2011, as deep low pressure tracked from Texas to southern Indiana. Snowfall totals ranged from 10 to 20 inches with drifts as high as 7 feet.
• Blizzard in Iowa, February 1 to 2, 20111 death · 21 eventsA tremendous blizzard, one of the worst in memory, impacted much of the region on February 1-2, 2011, as deep low pressure tracked from Texas to southern Indiana. Snowfall totals ranged from 10 to 20 inches with drifts as high as 7 feet.
• Blizzard in Illinois, February 1 to 2, 201113 eventsA tremendous blizzard, one of the worst in memory, impacted much of the region on February 1-2, 2011, as deep low pressure tracked from Texas to southern Indiana. Snowfall totals ranged from 10 to 20 inches with drifts as high as 7 feet.
• Winter Storm in New Hampshire, February 1 to 2, 20113 eventsA series of low pressure centers impacted the Southern New England Region with a combination of heavy snows and ice.
• Extreme Cold in Texas, February 1 to 3, 20114 eventsArctic air overspread the region on 2/1/2011. Northeast winds of 30-45 mph with higher gusts combined with temperatures in the single digits to produce wind chill values of -15 to -35 degrees Fahrenheit.
• Blizzard and Ice Storm in Illinois, February 1 to 2, 20113 deaths · $11 million · 35 eventsA powerful storm system tracking from the southern Plains into the Great Lakes brought a wide variety of wintry precipitation to central and southeast Illinois on Februray 1st into the 2nd.
• Blizzard in Kansas, February 1, 20117 eventsA historic winter storm impacted a wide swath of the central and eastern United|States on Tuesday, February 1st into Wednesday, February 2nd. This was one of the|strongest blizzards ever to impact the region.
• Blizzard in Indiana, February 1 to 2, 20113 deaths · $100,000 · 5 eventsA powerful and enormous winter storm moved across northwest Indiana with blizzard conditions across much of the area which paralayzed the region. Heavy snow began falling during the early afternoon.
• Winter Weather in Vermont, February 1, 20112 deaths · $10,000 · 2 eventsA weak mid-atmospheric disturbance and inverted surface trough moved across Vermont during the afternoon of February 1st. A light snowfall occurred for much of the afternoon and early evening before ending prior to a significant snowfall event on February 2nd.
• Winter Storm in Iowa, February 1, 2011$40,000 · 8 eventsA powerful storm system moved into the southwest U.S. on January 31st into the 1st. The system moved east-northeast across the southern U.S. on the 1st into early the 2nd. Surface low pressure developed over west Texas.
• Blizzard in Indiana, February 1 to 2, 201118 eventsAn intense low pressure system tracked from the Lower Mississippi River Valley northeast into northern Indiana late February 1st into February 2nd.
• Winter Storm in Indiana, February 1 to 2, 20116 eventsAn intense low pressure system tracked from the Lower Mississippi River Valley northeast into northern Indiana late February 1st into February 2nd.
• Blizzard in Michigan, February 1 to 2, 20115 eventsAn intense low pressure system tracked from the Lower Mississippi River Valley northeast into northern Indiana late February 1st into February 2nd.
• Winter Storm in Ohio, February 1 to 2, 20114 eventsAn intense low pressure system tracked from the Lower Mississippi River Valley northeast into northern Indiana late February 1st into February 2nd.
• Winter Storm and Winter Weather in Iowa, February 1 to 2, 20114 eventsA strong low pressure system tracked across the Central Plains States and the Great Lakes region on February 1st and into the morning hours of the 2nd. This spread heavy snow across portions of northeast Iowa.
• Blizzard in Ohio, February 1 to 2, 20114 eventsAn intense low pressure system tracked from the Lower Mississippi River Valley northeast into northern Indiana late February 1st into February 2nd.
• Blizzard and Winter Storm in Michigan, February 1 to 2, 201123 eventsA major winter storm brought 10 to 15 inches of snow and blizzard conditions to much of southwest lower Michigan the during the late evening of Tuesday, February 1st into the morning hours of Wednesday, February 2nd.
• Blizzard and Winter Storm in Wisconsin, February 1 to 2, 20113 eventsA strong low pressure system tracked across the Central Plain States and the Great Lakes region on February 1st and into the morning hours of the 2nd. This spread heavy snow across parts of southwest Wisconsin.
• Blizzard in Wisconsin, February 1 to 2, 20111 death · $20,000 · 3 eventsA powerful low pressure center, passing south of Wisconsin, produced blizzard conditions across much of southern Wisconsin from the evening hours of Tuesday, February 1st into the early morning of Wednesday, February 2nd.
• Blizzard in Iowa, February 1 to 2, 2011$675,000 · 27 eventsA powerful storm system moved into the southwest U.S. on January 31st into the 1st The system moved east-northeast across the southern U.S. on the 1st into early the 2nd. Surface low pressure developed over west Texas.
• Blizzard in Wisconsin, February 1 to 2, 20111 injured · 3 eventsA powerful low pressure center, passing south of Wisconsin, produced blizzard conditions across much of southern Wisconsin from the evening hours of Tuesday, February 1st into the early morning of Wednesday, February 2nd.
• Extreme Cold in North Dakota, February 1 to 2, 20111 death · 36 eventsDangerous wind chill conditions redeveloped across the region the night of February 1 through February 2 as Arctic high pressure remained over the area. Winds up to 15 mph combined with subzero temperatures to result in wind chill temperatures of 40 below to 50 below zero.
• Extreme Cold in South Dakota, February 1 to 2, 201126 eventsWell below zero temperatures under Arctic high pressure combined with north winds of 10 to 20 mph to bring extreme wind chills to the entire region. Wind chills of 35 below to 45 below zero occurred across the region from the evening of the 1st into the morning hours of the 2nd.
• Extreme Cold in North Dakota, February 1 to 2, 201118 eventsHigh pressure slid down the western Dakotas, keeping wind speeds in the 5 to 10 mph range over eastern North Dakota and portions of the northwest quarter of Minnesota through the late evening and overnight hours.
• Blizzard and Winter Storm in Michigan, February 1 to 2, 201117 eventsA major winter storm impacted southeast Michigan, with snowfall accumulations generally ranging from 6 to 12 inches. Isolated higher amounts were recorded across the Thumb and Tri-Cities Region.
• Extreme Cold in Minnesota, February 1 to 2, 201112 eventsA large area of arctic high pressure moved southward across the Upper Midwest the evening of Tuesday, February 1st, and continued through the morning of February 2nd.
• Blizzard in Wisconsin, February 1 to 2, 20113 deaths · 3 injured · $34,000 · 3 eventsA powerful low pressure center, passing south of Wisconsin, produced blizzard conditions across much of southern Wisconsin from the evening hours of Tuesday, February 1st into the early morning of Wednesday, February 2nd.
• Extreme Cold in Arizona, February 1 to 3, 2011$30,000 · 2 eventsA very cold and windy arctic air mass moved into northern Arizona. This caused temperatures to plummet to near the coldest readings of all time. Strong northeasterly winds brought even colder wind chill temperatures.
• Extreme Cold in Montana, February 1 to 2, 201110 eventsArctic high pressure brought a bitter airmass to the area. Winds then contributed to dangerous wind chills for much of the area for the third night in a row.
• Blizzard in Wisconsin, February 1 to 2, 2011$10,000 · 3 eventsA powerful low pressure center, passing south of Wisconsin, produced blizzard conditions across much of southern Wisconsin from the evening hours of Tuesday, February 1st into the early morning of Wednesday, February 2nd.
• Cold in Kansas, February 1 to 3, 20111 death · 8 eventsA massive winter storm of historic proportions affected the region from the early morning hours January 31st through the evening hours February 1st.
• Extreme Cold in New Mexico, February 1 to 4, 20118 eventsArctic air overspread the region on 2/1/2011. Northeast winds of 30-45 mph with higher gusts combined with temperatures in the single digits to produce wind chill values of -15 to -35 degrees Fahrenheit.
• Extreme Cold in Minnesota, February 1 to 2, 201115 eventsHigh pressure slid down the western Dakotas, keeping wind speeds in the 5 to 10 mph range over eastern North Dakota and portions of the northwest quarter of Minnesota through the late evening and overnight hours.
• Ice Storm and Winter Weather in New Jersey, February 1 to 2, 20119 eventsFreezing rain fell across central and southern New Jersey overnight on February 1st. Ice accretions were one tenth of an inch to one quarter of an inch with the highest accretions in Monmouth County. The freezing rain started in the evening on February 1st.
• Winter Storm in Wisconsin, February 1 to 2, 20113 eventsA powerful low pressure center, passing south of Wisconsin, produced near blizzard conditions across portions of South Central Wisconsin from the evening hours of Tuesday, February 1st into the early morning of Wednesday, February 2nd.
• Blizzard in Wisconsin, February 1 to 2, 20113 eventsStrong north-northeast winds gusted as high as 40 to 50 mph as a low pressure system moved across the Midwest, producing blizzard conditions for a brief time late on February 1st and early on the 2nd.
• Ice Storm in Pennsylvania, February 1 to 2, 20112 eventsFreezing rain fell across Delaware and Philadelphia Counties overnight on February 1st. Ice accretions averaged one quarter to half an inch with the highest amounts in northern Delaware County.
• Blizzard in Wisconsin, February 1 to 2, 20111 injured · 5 eventsA powerful low pressure center, passing south of Wisconsin, produced blizzard conditions across much of southern Wisconsin from the evening hours of Tuesday, February 1st into the early morning of Wednesday, February 2nd.
• Ice Storm in Delaware, February 1 to 2, 20115 injured · 1 eventFreezing rain fell across New Castle County overnight on February 1st. Ice accretions were generally around one quarter of an inch. The freezing rain started late in the evening on February 1st.
• Blizzard and Winter Storm in Michigan, February 1 to 2, 201115 eventsStrong low pressure moved from Texas, to northern Ohio, and on to the Northeast States, producing a large swath of heavy snow along the way. Northern Lower Michigan caught the northern edge of the heavy snow swath.
• Extreme Cold in New Mexico, February 1 to 2, 20119 eventsAfter the precipitation ended, at least significantly so, on the 1st, brutally cold temperatures and strong winds impacted eastern New Mexico.
• Winter Storm in New York, February 1 to 2, 20112 eventsA winter storm tracked from the Ohio Valley Tuesday evening the 1st, |to the eastern Great Lakes region Wednesday the 2nd. The storm then|moved off the northeast coast by Wednesday evening.
• Winter Weather in Maryland, February 1 to 2, 20111 eventFreezing rain fell across Cecil County overnight on February 1st. Ice accretions were generally less than one tenth of an inch. The freezing rain started late in the evening on February 1st.
• Winter Storm in Vermont, February 2, 2011$290,000 · 16 eventsA major winter storm developed in the southern Plains and western Gulf coast states on February 1st and proceeded to move into the Ohio River Valley on the morning of February 2nd.
• Winter Storm in New York, February 2, 2011$70,000 · 9 eventsA major winter storm developed in the southern Plains and western Gulf coast states on February 1st and proceeded to move into the Ohio River Valley on the morning of February 2nd.
• Heavy Snow in Maine, February 2, 201117 eventsLow pressure over the Gulf States on the morning of the 1st moved northeast to the Ohio Valley by the morning of the 2nd as a secondary low developed off the Delmarva Peninsula.
• Heavy Snow in New Hampshire, February 2, 201112 eventsLow pressure over the Gulf States on the morning of the 1st moved northeast to the Ohio Valley by the morning of the 2nd as a secondary low developed off the Delmarva Peninsula.
• Extreme Cold in Minnesota, February 2, 20112 eventsWell below zero temperatures under Arctic high pressure combined with north winds of 10 to 20 mph to bring extreme wind chills to west central Minnesota. Wind chills of 35 below to 45 below zero occurred through the morning hours of the 2nd.
• Heavy Snow in Maine, February 2 to 3, 201113 eventsLow pressure tracking across the Gulf of Maine brought heavy snow to Downeast and much of northern Maine. Snow began during the morning of the 2nd...then continued through the early morning hours of the 3rd. Storm total snow accumulations ranged from 7 to 14 inches.
• Winter Weather in Connecticut, February 2 to 4, 2011$123,000 · 2 eventsThe excessive weight from snow and ice caused numerous roof collapses across Southern Connecticut during the first week of February.
• Winter Weather in Minnesota, February 2, 20111 death · $2,000 · 1 eventThe driver of a vehicle was killed when he was unable to stop on an icy road and slid into the path of an approaching train. The accident occurred on County Road 4 south of Austin (Mower County) on February 2nd.
• Extreme Cold in Texas, February 2 to 4, 20114 eventsNortheast winds of 30-45 mph with higher gusts combined with temperatures in the single digits, thanks to an arctic airmass, to produce wind chill values of -15 to -35 degrees Fahrenheit in the Guadalupe Mountains.
• Cold in Illinois, February 2 to 4, 20111 death · 1 eventIn the wake of a powerful storm system that brought copious amounts of snow and ice to central Illinois, strong Canadian high pressure built into the region from February 2nd through February 4th.
• Blizzard in South Dakota, February 2 to 3, 20113 eventsBlizzard conditions developed along and east of the Sisseton Hills late on February 2nd and continued into the mid morning hours of February 3rd.
• Extreme Cold in New Mexico, February 2 to 3, 201120 eventsA powerful storm and arctic cold front combined to bring fresh snow cover to nearly all of northern and central New Mexico on the 1st and 2nd, as well as extremely cold, record setting minimum temperatures. This resulted in dangerously low wind chill values over many areas.
• Extreme Cold and Frost and Freeze in Arizona, February 2 to 3, 20112 deaths · 3 injured · $3.3 million · 10 eventsAn unusually cold air mass had a significant impact on Southeast Arizona.
• Ice Storm and Winter Weather in Louisiana, February 3 to 4, 2011$1.8 million · 17 eventsA strengthening upper level low over western Texas began to push east-northeast across southwest Louisiana from the morning of February 3 into February 4. At the surface, temperatures were generally above freezing, but dewpoints were well below freezing.
• Ice Storm in Louisiana, February 3 to 4, 20111 death · 14 eventsA winter storm moving across Louisiana and Mississippi produced numerous reports of freezing rain.
• Winter Weather in Alabama, February 3, 2011$10,000 · 2 eventsA shallow arctic air mass combined with a developing low pressure system moving across the area created light rain that froze on contact with surface objects.
• Ice Storm in Mississippi, February 3 to 4, 20118 eventsA winter storm moving across Louisiana and Mississippi produced numerous reports of freezing rain.
• Heavy Snow and Winter Weather in Alabama, February 3 to 4, 20117 eventsA narrow band of heavy snow developed during the late afternoon and early evening hours of the 3rd across portions of north central into northeast Alabama, generally south of the Tennessee River.
• Winter Weather in Mississippi, February 3, 20111 eventA shallow arctic air mass combined with a developing low pressure system moving across the area created light rain that froze on contact with surface objects.
• Winter Weather in Texas, February 3 to 4, 20111 death · $31,000 · 6 eventsA strengthening upper level low over western Texas began to push east-northeast across southeast Texas from the morning of February 3 into February 4. At the surface, temperatures were generally above freezing, but dewpoints were well below freezing.
• Winter Weather in Montana, February 3, 20112 eventsWest to northwest of winds of just 15 mph were enough to cause tremendous drifting on north-south highways. In some cases, the highways were closed (i.e. Highway 13 between Scobey and Wolf Point).
• Ice Storm in Texas, February 3 to 4, 2011$20,000 · 10 eventsThe combination of an arctic airmass with the approach of an upper level disturbance lifted a limited amount of low level moisture into light precipitation, which started by mid morning in Cameron and Willacy County, then spread into Hidalgo County during the afternoon and…
• Winter Weather in Colorado, February 3 to 5, 20117 eventsA moist northwest flow behind a departing Four Corners upper trough brought accumulating snowfall to the northern and central mountains of western Colorado.
• Winter Weather in Minnesota, February 3, 20111 death · 1 injured · $4,000 · 1 eventA two vehicle accident occurred on a snow covered road near Oronoco (Olmsted County) on February 3rd. A person was killed in the accident and another sustained injuries.
• Ice Storm in Mississippi, February 3 to 4, 20114 deaths · 9 injured · $15 million · 37 eventsAn ice storm developed across the area on February 3rd into the early morning hours of the 4th. While this icing event was not devastating, the impact to travel was a major issue across the region. Thousands of accidents occurred from slick roads.
• Winter Weather in Colorado, February 3, 20116 eventsA weather disturbance generated snow over sections of southern Colorado. Some of the snow totals include 4 to 7 inches in the vicinity of Pueblo, Pueblo West, and Rye (Pueblo County)...Divide (Teller County)...and Cuchara (Huerfano County).
• Winter Weather in Georgia, February 3 to 4, 201111 eventsA deep upper trough and closed low were moving from the south central U.S. toward the mid-Atlantic region. This system brought widespread moderate to heavy rain to north and central Georgia. Most areas of the state received two to three inches of rain from this event.
• Ice Storm in Texas, February 3 to 4, 20111 death · 2 injured · $1.1 million · 15 eventsSouth Texas experienced frigid temperatures and prolonged hard freezes between Tuesday morning February 1st and Saturday morning February 5th, 2011. A large dome of arctic air plunged southward across South Texas on Tuesday morning February 1st behind a strong cold front.
• Winter Storm in Texas, February 3 to 4, 20112 deaths · 3 injured · 24 eventsAn arctic cold front pushed across South Central Texas early on February 1. An upper level storm system moved east across Texas during the early morning hours of February 4.
• Cold in Illinois, February 3 to 4, 20111 death · 1 eventBy the morning of February 3rd, temperatures dropped below zero in many areas except downtown Chicago where temperatures were in the single digits. Many areas across north central Illinois measured temperatures between 10 below and 15 below zero.
• Ice Storm in Louisiana, February 3 to 4, 2011$2.2 million · 9 eventsAn ice storm developed across the area on February 3rd into the early morning hours of the 4th. While this icing event was not devastating, the impact to travel was a major issue across the region. Thousands of accidents occurred from slick roads.
• Heavy Snow and Winter Weather in Texas, February 3 to 4, 201113 injured · $402,000 · 18 eventsThe second winter storm of the week brought heavy snow to most of the eastern and northeastern counties of north Texas. However, much of the area received at least some snow.
• Ice Storm and Winter Storm in Texas, February 3 to 4, 20112 deaths · 23 eventsA very cold air mass was in place in early February with overnight lows in the teens and 20s.
• Winter Storm and Winter Weather in Arkansas, February 3 to 4, 20111 death · 1 injured · 9 eventsA cold arctic airmass was in place across the four state region the night of February 3rd as a strong upper level storm system moved quickly out of the southern Great Basin and into the West Texas Hill Country.
• Winter Storm and Winter Weather in Texas, February 3 to 4, 201121 eventsA cold arctic airmass was in place across the four state region the night of February 3rd as a strong upper level storm system moved quickly out of the southern Great Basin and into the West Texas Hill Country.
• Winter Storm and Winter Weather in Louisiana, February 3 to 4, 201117 eventsA cold arctic airmass was in place across the four state region the night of February 3rd as a strong upper level storm system moved quickly out of the southern Great Basin and into the West Texas Hill Country.
• Winter Storm in Oklahoma, February 3 to 4, 20111 eventA cold arctic airmass was in place across the four state region the night of February 3rd as a strong upper level storm system moved quickly out of the southern Great Basin and into the West Texas Hill Country.
• Winter Storm and Heavy Snow in Arkansas, February 4 to 5, 201145 eventsA low pressure system tracked across Arkansas on the 4th and early on the 5th. Heavy snow fell over parts of western and northern Arkansas, where snow accumulations of 4 to 6 inches occurred. Totals in most other sections of the state were in the 1 to 3 inch range.
• Winter Weather in Oklahoma, February 4, 201116 eventsA slow-moving upper level low pressure moved from central Texas through the eastern half of Oklahoma. Broad-scale ascent over a very cold temperatures at the surface allowed for very dry snow to fall over southern and eastern Oklahoma.
• Ice Storm in Arkansas, February 4, 2011$100,000 · 1 eventAn ice storm developed across the area on February 3rd into the early morning hours of the 4th. While this icing event was not devastating, the impact to travel was a major issue across the region. Thousands of accidents occurred from slick roads.
• Winter Storm in Oklahoma, February 4 to 5, 201118 eventsA strong upper level disturbance moved from southwest Texas to northern Texas into northern Arkansas on the 4th. Snow developed into the area during the morning hours and continued into the evening hours.
• Winter Storm and Heavy Snow in Wyoming, February 4 to 8, 20117 eventsSeveral upper level disturbances moved over southeast Wyoming in a moist northwest flow. This pattern produced a long duration light snow event.
• Winter Storm in Arkansas, February 4 to 5, 20113 eventsA strong upper level disturbance moved from southwest Texas to northern Texas into northern Arkansas on the 4th. Snow developed into the area during the morning hours and continued into the evening hours.
• Winter Weather in Montana, February 4, 20112 eventsMoist northwest flow spread over cold air trapped in the valleys during the early morning hours. This caused areas of freezing rain to impact the airports at Missoula and Kalispell.
• Winter Storm and Winter Weather in Colorado, February 4 to 7, 20118 eventsA prolonged moist and cold northwest flow brought heavy snowfall to many mountain areas of western Colorado and some lower elevation areas of northwest Colorado.
• Winter Storm in Colorado, February 4 to 6, 201110 eventsA winter storm generated significant snow over portions of southern Colorado. Some snow totals include 7 to 12 inches across the eastern mountains and adjacent terrain.

Every billion-dollar disasterEvery storm of 2011Tornadoes in 2011

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.