Central and Eastern Tornado Outbreak and Severe Weather

Losses, 2024 dollars

$2.4 billion

Losses at the time

$2.4 billion

Deaths

2

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.

• Damaging Wind in Michigan, July 11, 2024$3,000 · 52 kt wind · 1 eventAn isolated severe storm brought down a large tree. No other severe reports were received.
• Damaging Wind in Colorado, July 11, 202452 kt wind · 1 eventEnough moisture remained in the atmosphere to fuel a few showers forming on the southern San Juan mountains. These showers and storms eventually drifted southward over southern La Plata county.
• Hail in South Dakota, July 11, 20241.25 in hail · 1 eventA thunderstorm briefly became severe over northern Harding County, producing large hail northwest of Ludlow.
• Hail in Missouri, July 11, 20241.5 in hail · 1 eventA severe thunderstorm developed during the late evening hours of July 11, 2024 and affected Benton County with ping pong ball size hail.
• Damaging Wind in Montana, July 11, 202451 kt wind · 1 eventDeep inverted-V soundings, combined with limited yet sufficient moisture to result in a few thunderstorms across the region July 11. The strongest storm, which moved through Judith Gap, produced a severe caliber wind gust.
• Damaging Wind in Arizona, July 11, 2024$2,000 · 1 eventUnder northeasterly flow due to high pressure situated near southern Nevada, thunderstorm activity, fueled by 500-1000 J/KG of MLCAPE, developed along the Mogollon Rim and White Mountains and moved southwestward towards Gila County and most of southeastern AZ.
• Hail in Missouri, July 11, 20241 in hail · 2 eventsIn the evening hours of July 11th, storms brought hail to portions of Henry County and then Platte County, MO.
• Damaging Wind in Nebraska, July 11, 202450 kt wind · 1 eventDuring the evening hours, a line of thunderstorms developed over Northeast Colorado and the Nebraska Panhandle and moved southeast.
• Hail in Kansas, July 11, 20241 in hail · 1 eventA cluster of thunderstorms developed in an area of uncapped elevated instability over southeast Kansas during the late hours of July 11, 2024 and continued into the early morning hours of July 12. A severe thunderstorm affected Crawford County with quarter size hail.
• Flash Flood and Hail in Kansas, July 12 to 13, 202450 kt wind · 5 eventsScattered thunderstorms moved across east-central Kansas during the early morning hours on both July 12 and 13, producing isolated hail, gusty winds, and flooding.
• Damaging Wind and Heavy Rain in Kansas, July 12, 2024$3,000 · 52 kt wind · 4 eventsA cluster of thunderstorms developed in an area of uncapped elevated instability over southeast Kansas during the late hours of July 11, 2024 and continued into the early morning of July 12. As a result, heavy rain between 3.25 and 4.89 inches fell over Cherokee County.
• Flash Flooding and Heavy Rain in Missouri, July 12, 20247 eventsA cluster of thunderstorms developed in an area of uncapped elevated instability over southeast Kansas on July 11, 2024 and moved into southwest Missouri during the early morning of July 12.
• Flash Flooding in Virginia, July 12, 202416 eventsScattered thunderstorms along a frontal boundary produced heavy rain which caused flash flooding across portions of central and eastern Virginia.
• Lightning Strike in New Jersey, July 12, 2024$10,000 · 1 eventA few thunderstorms developed along a stalled boundary. One storm produced a lightning strike that caused some damage.
• Flash Flooding in Maryland, July 12, 20244 eventsScattered thunderstorms along a frontal boundary produced heavy rain which caused flash flooding across portions of the Lower Maryland Eastern Shore.
• Flash Flooding and Flood in North Carolina, July 12, 2024$15,000 · 6 eventsA stalled frontal boundary over eastern sections of North Carolina retrograded westward during the afternoon and evening as a surface low formed along the front. Ongoing showers and storms become more numerous in the late morning and into the early evening hours.
• Tornado and Hail in North Dakota, July 12 to 13, 2024$5,000 · 2.75 in hail · 26 eventsThunderstorms developed initially over western North Dakota during the afternoon and early evening hours before also forming over central North Dakota later in the evening. This as an upper level short wave trough approached the area and a frontal boundary moved in from Montana.
• Hail and Damaging Wind in Arizona, July 12, 20241 in hail · 2 eventsMonsoon moisture continued to increase over northern Arizona with scattered showers and thunderstorms. A few thunderstorms became severe.
• Flash Flood in North Carolina, July 12, 20241 eventScattered thunderstorms along a frontal boundary produced heavy rain which caused flash flooding across portions of northeast North Carolina.
• Flash Flooding and Flood in Illinois, July 12 to 13, 2024$70,000 · 56 kt wind · 6 eventsIsolated thunderstorms developed during the afternoon hours on the 12th in the Quad State. Wind damage occurred in the town of Sesser, including tree and powerline damage. Storms from the previous evening in Sesser might have made some trees more susceptible to damage.
• Tornado in Colorado, July 12, 20241 eventAn isolated thunderstorm produced a brief non-supercell tornado in rural northeastern Washington county.
• Damaging Wind in Colorado, July 12, 202452 kt wind · 1 eventThunderstorm developed under ridge of high pressure and caused strong winds when it weakened and collapsed.
• Damaging Wind in Idaho, July 12, 202454 kt wind · 1 eventAn isolated severe thunderstorm occurred in Camas.
• Hail in Nebraska, July 12, 20241 in hail · 1 eventIsolated thunderstorms developed over the Pine Ridge of northern Sheridan county during the early evening hours of July 12th. These storms became severe over northeastern Sheridan county where they produced quarter sized hail north of Gordon.
• Damaging Wind in Wyoming, July 12, 202450 kt wind · 1 eventA thunderstorm briefly became severe over southern Crook County, producing wind gusts to near 60 mph.
• Flash Flooding and Hail in California, July 12 to 14, 2024$5.0 million · 1 in hail · 5 eventsMonsoon moisture seeping in from the south fueled isolated thunderstorms, a few of which produced severe weather and flash flooding.
• Tornadoes and Flash Flood in Montana, July 12, 2024EF0 · 14 eventsA storm rapidly developed in Saskatchewan, turned right and tracked southeastward into Montana. The storm spawned a couple other storms that would track east-southeast across Montana counties that border Canada.
• Hail and Damaging Winds in South Dakota, July 12, 20241 in hail · 3 eventsA severe thunderstorm developed over central Perkins County and tracked eastward. The storm produced large hail and strong wind gusts from southeast of Bison to south of Meadow.
• Hail and Damaging Wind in South Dakota, July 12, 20241 in hail · 3 eventsA severe thunderstorm developed over western Fall River County and tracked southeast into Nebraska. The storm produced large hail in the Edgemont area.
• Damaging Wind in Nebraska, July 12, 202450 kt wind · 1 eventA couple strong to severe thunderstorms moved southeast out of the Black Hills area into the northern Nebraska panhandle late in the evening on the 12th.
• Damaging Wind in Arizona, July 12 to 13, 202463 kt wind · 1 eventMonsoon moisture over Arizona allowed thunderstorms to form across the area. One storm produce strong outflow winds that hit Winslow.
• Damaging Winds in Missouri, July 13, 2024$9,000 · 52 kt wind · 3 eventsShortwave energy moved through the region during the morning hours of July 13, 2024, bringing showers and thunderstorms along and north of Interstate 44. Severe thunderstorms resulted in 60 mph winds and reports of tree damage in Miller and Camden counties.
• Tornado and Hail in Minnesota, July 13 to 14, 20243.5 in hail · 44 eventsScattered clusters of storms resulted in large hail over portions of east-central Minnesota during the afternoon on July 13. One storm produced a brief tornado in Rice County.
• Flash Flooding in Virginia, July 13, 20242 eventsScattered thunderstorms along a frontal boundary produced heavy rain which caused flash flooding across portions of central and eastern Virginia.
• Hail and Damaging Wind in Montana, July 13, 20244 in hail · 14 eventsA northwesterly flow aloft combined with ample instability and shear to result in a few supercells across Hill and Blaine counties. Hail was the main severe caliber threat, though there was a wind report.
• Hail and Damaging Winds in Minnesota, July 13, 2024$427,000 · 2 in hail · 16 eventsThunderstorms developed during the late afternoon and evening hours on July 13th. These initially took on supercell characteristics producing hail both near the Mississippi River and across portions of Dodge County before moving southeast and forming into a line of storms that…
• Flash Flooding and Hail in Wisconsin, July 13, 2024$348,000 · 3 in hail · 11 eventsThunderstorms developed during the afternoon on Saturday (7/13) as the area reached its convective temperature. These initial storms produced large hail up to 3 inches, gusty winds, and heavy rainfall across central Wisconsin.
• Damaging Wind in Wisconsin, July 13, 202452 kt wind · 1 eventScattered clusters of storms that developed over Minnesota eventually moved east and reached western Wisconsin. One cell in particular became strong, with thunderstorm wind gusts toppling a tree in Pepin County.
• Flash Flooding and Flooding in Illinois, July 13 to 14, 2024$2.0 million · 60 kt wind · 16 eventsScattered thunderstorms moved across parts of northern Illinois during the afternoon of July 13th producing isolated wind damage.
• Hail and Damaging Winds in Wisconsin, July 13, 2024$525,000 · 1.5 in hail · 21 eventsDuring the afternoon and evening hours on July 13th, storms of various modes moved across portions of western Wisconsin producing both large hail and damaging wind gusts.
• Damaging Winds in Nevada, July 13, 202456 kt wind · 3 eventsMonsoon moisture seeping in from the south fueled isolated thunderstorms, a few of which produced high winds.
• Damaging Winds in Maine, July 13, 202450 kt wind · 2 eventsA weak frontal boundary pushed through Maine during the evening hours of July 13th. A hot unstable airmass was in place with above normal temperatures and deep moisture. This allowed for a line of scattered thunderstorms to develop in a weak sheer environment.
• Damaging Wind in New Hampshire, July 13, 2024$5,000 · 50 kt wind · 1 eventA weak frontal boundary pushed through New Hampshire during the evening hours of July 13th. A hot unstable airmass was in place with above normal temperatures and deep moisture. This allowed for a line of scattered thunderstorms to develop in a weak sheer environment.
• Damaging Wind in Indiana, July 13, 202452 kt wind · 1 eventScattered thunderstorms developed within a hot and humid air mass along the Ohio River during the afternoon hours on July 13th.
• Hail and Damaging Winds in Montana, July 13, 20241.75 in hail · 14 eventsA disturbance generated a round of severe storms across the region during the late afternoon and evening hours.
• Hail and Damaging Wind in California, July 13, 20241 death · 1 in hail · 2 eventsA surge of upper level tropical moisture pushed into central California from the southeast during the morning of July 13 and continued for much of the day.
• Damaging Wind in Idaho, July 13, 202453 kt wind · 1 eventA 61 mph wind gust measured at Lost River Rest Area.
• Damaging Wind in Kentucky, July 13, 202451 kt wind · 1 eventScattered thunderstorms developed within a hot and humid air mass along the Ohio River during the afternoon hours on July 13th. While most of the thunderstorms did not produce severe weather, isolated wind damage was reported near Goshen in Oldham County.
• Hail and Damaging Winds in Minnesota, July 13, 20241 in hail · 10 eventsModerate to strong instability combined with sufficient shear and several shortwave troughs created chances for strong to severe storms. Hail, wind gusts, and reported tornadoes occurred.
• Flash Flooding and Flood in Wisconsin, July 13 to 14, 2024$45,000 · 1.5 in hail · 18 eventsA couple lines of strong to severe thunderstorms moved across southern WI with reports of damaging winds, large hail, and flash flooding. The storms developed along a warm front.
• Tornado in North Dakota, July 13, 2024EF1 · 1 eventModerate to strong instability combined with sufficient shear and several shortwave troughs created chances for strong to severe storms. Hail, wind gusts, and reported tornadoes occurred.
• Damaging Winds in Nevada, July 13, 202459 kt wind · 3 eventsMonsoonal moisture coming from the south increased PWAT values and increase instability to produce thunderstorms that caused high wind gusts.
• Damaging Winds in Montana, July 13, 20243 injured · 69 kt wind · 20 eventsBetween 630-830 PM MDT, severe thunderstorm winds moved across Custer County and over the town of Miles City.
• Damaging Wind in Maine, July 13, 202452 kt wind · 1 eventAn upper level disturbance crossed the region during the 13th helping support the development of afternoon and evening thunderstorms. An isolated thunderstorm reached severe levels in southern Penobscot county producing damaging winds around Glenburn.
• Damaging Winds in North Dakota, July 13, 202474 kt wind · 2 eventsSevere thunderstorms formed over eastern Montana ahead of an upper level short wave trough and jet streak. Most of the severe weather remained over Montana and South Dakota, but a few storms grazed southwestern North Dakota resulting in severe wind gusts.
• Damaging Winds in South Dakota, July 13 to 14, 2024$20,000 · 94 kt wind · 56 eventsSupercell thunderstorms developed over southeast Montana and merged into a line of severe thunderstorms as the moved across far southeast Montana and into northwest South Dakota.
• Damaging Winds in South Dakota, July 13 to 14, 202495 kt wind · 37 eventsA line of storms produced high winds and wind damage across a good portion of central South Dakota during the late evening Saturday July 13th into the early morning hours Sunday July 14th.
• Lightning Strike in Michigan, July 14, 20243 injured · $65,000 · 1 eventThunderstorms occurred during the early morning hours of July 14th. In the East Jordan area, lightning struck a mobile home, setting it ablaze and resulting in a total loss of the structure.
• Damaging Winds in South Dakota, July 14, 2024$83,000 · 65 kt wind · 15 eventsAn organized line of thunderstorms developed across western South Dakota during the evening hours of July 13 and spread eastward through the night.
• Hail and Damaging Winds in Nebraska, July 14, 202451 kt wind · 3 eventsThunderstorms over central and southern South Dakota, produced strong winds across far northern Nebraska during the early morning hours of July 14th. Measured wind gusts to near 60 MPH were reported in the Valentine and Butte areas.
• Damaging Wind in South Dakota, July 14, 202459 kt wind · 1 eventA severe thunderstorm developed behind the passing derecho, producing wind gusts to over 60 mph.
• Flash Flooding in Wisconsin, July 14, 2024$100,000 · 3 eventsAfter midnight on July 14th, a line of thunderstorms moved across portions of western Wisconsin. As these storms moved over already saturated soils from storms a few hours prior, susceptible areas noted flooding and rock slides particularly in Trempealeau and Monroe Counties.
• Damaging Winds in Iowa, July 14, 202470 kt wind · 3 eventsAn organized line of thunderstorms developed across western South Dakota during the evening hours of July 13 and spread eastward through the night.
• Damaging Wind in Indiana, July 14, 202452 kt wind · 1 eventScattered thunderstorms moved across northwest Indiana during the morning of July 14th producing isolated severe winds.
• Damaging Winds in Indiana, July 14, 2024$51,000 · 52 kt wind · 9 eventsSporadic wind damage was reported among sub-severe wind gust observations.
• Hail and Damaging Winds in Pennsylvania, July 14, 20241 in hail · 17 eventsA shortwave trough moved into a moist and unstable environment, with high DCAPE over the region. Pulse convection developed, with downdrafts downing several trees and power lines across the state.
• Damaging Winds in Ohio, July 14, 2024$71,000 · 57 kt wind · 21 eventsAn upper level disturbance combined with a warm and humid airmass to produce thunderstorms across the Ohio Valley.
• Damaging Winds in Indiana, July 14, 2024$41,000 · 60 kt wind · 2 eventsAn upper level disturbance combined with a warm and humid airmass to produce thunderstorms across the Ohio Valley.
• Damaging Winds and Lightning Strike in New Jersey, July 14, 2024$10,000 · 50 kt wind · 12 eventsA shortwave trough moved into a moist and unstable environment, with high DCAPE over the region. Pulse convection developed, with downdrafts downing several trees and power lines across the state.
• Damaging Wind in New Jersey, July 14, 2024$500 · 50 kt wind · 1 eventA stationary front lingered over the area through the day. Some showers and thunderstorms developed as a weak shortwave moved overhead in the afternoon hours with just enough MLCAPE (1000 J/kg) to break a mid-level cap.
• Damaging Winds in Maryland, July 14, 2024$6,000 · 52 kt wind · 2 eventsAn isolated thunderstorm produced a few localized severe downbursts near Annapolis.
• Damaging Wind in Maryland, July 14, 202453 kt wind · 1 eventA shortwave trough moved into a moist and unstable environment, with high DCAPE over the region. Pulse convection developed, with downdrafts downing several trees and power lines across the state.
• Damaging Wind in Mississippi, July 14, 2024$5,000 · 1 eventSurface heating combined with adequate moisture to produce isolated thunderstorms across northeast Mississippi during the afternoon hours of July 14, 2024. Strong winds damaged a few trees and powerlines across northern Monroe County.
• Flash Flood and Flood in California, July 14, 2024$50,000 · 1 in hail · 3 eventsThunderstorms occurred in mid July with monsoonal flow. A few thunderstorms produced very heavy rainfall on July 14.
• Damaging Wind in Utah, July 14, 202452 kt wind · 1 eventIncreasing moisture across eastern Utah and western Colorado, in association with a weak monsoonal push, brought an increase in shower and thunderstorm coverage.
• Damaging Winds in Ohio, July 14 to 17, 2024$12,000 · 50 kt wind · 19 eventsSoutheast Ohio underwent a heatwave during the middle of July with daily chances of showers and strong thunderstorms each afternoon from the 14th through the 17th.
• Hail and Damaging Winds in North Carolina, July 14, 2024$14,000 · 1 in hail · 4 eventsScattered severe thunderstorms in advance of a surface trough produced damaging winds and large hail across portions of northeast North Carolina.
• Hail and Damaging Wind in South Carolina, July 14, 20241 in hail · 2 eventsIsolated thunderstorms developed in the afternoon hours along the sea breeze. One of these thunderstorms became strong enough to produce strong wind gusts and large hail in the North Charleston area.
• Damaging Wind in Florida, July 14, 202453 kt wind · 2 eventsThunderstorms over Orange County produced a severe wind gust and a funnel cloud.
• Damaging Winds in Kentucky, July 14 to 16, 2024$3,000 · 50 kt wind · 3 eventsDaily showers and thunderstorms were observed across northeast Kentucky during the middle of July in the midst of unseasonably hot temperatures.
• Damaging Winds in West Virginia, July 14 to 16, 2024$41,000 · 50 kt wind · 18 eventsOn the afternoons of July 14th and 16th, eastward progressing thunderstorm complexes ventured into West Virginia and brought strong to severe storms through the state. Downed trees and power lines were most common on both days as damaging wind gusts accompanied the convection.
• Hail and Damaging Winds in North Dakota, July 14 to 15, 2024$1.7 million · 3.5 in hail · 37 eventsA round of upper level short wave troughs passed from eastern Montana and Saskatchewan into North Dakota during the late afternoon and early evening hours.
• Flash Flood and Hail in Arizona, July 14 to 15, 2024$25 million · 66 kt wind · 4 eventsA line of very intense thunderstorms moved from southeast to northwest through the Tucson Metro area. The storm was most intense from midtown Tucson extending to the northwest into portions of Marana.
• Flash Flood and Hail in Arizona, July 14 to 15, 20241.5 in hail · 2 eventsA ridge of high pressure was centered over the Four Corners and brought deep monsoon moisture into Arizona. A decaying complex of thunderstorms over northern Mexico also helped to increase moisture across the area.
• Flash Flooding and Hail in Illinois, July 14 to 15, 202470 kt wind · 18 eventsSevere thunderstorms produced wind damage and heavy rainfall as the storms sagged southeastward across northwest Illinois on the evening of July 14th.
• Damaging Winds in Colorado, July 14, 202456 kt wind · 3 eventsIn the late afternoon of the 14th, a line of storms from northeastern Colorado moved southeast through Yuma and Kit Carson counties. This line of storms produced wind gusts up to 65 MPH and blowing dust that reduced visibility down to 0.25 mile.
• Damaging Wind in Colorado, July 14, 202462 kt wind · 1 eventIncreasing moisture associated with a weak monsoonal push led to the development of widespread showers and thunderstorms on the afternoon of the 14th. As this was the first day of the monsoonal surge, surface levels remained dry.
• Tornadoes and Flash Flooding in Illinois, July 14 to 15, 20241 death · 1 injured · $500,000 · EF1 · 79 eventsThunderstorms developed during the evening of July 14th and continued into the early morning of July 15th, as they moved across all of northern and central Illinois. Nine tornadoes occurred, along with widespread wind damage.
• Damaging Winds in Nevada, July 14, 202455 kt wind · 2 eventsIncrease in instability and PWAT from the southern monsoonal flow produced isolated/dry thunderstorms over northeastern Nevada, causing high wind gusts from outflow boundaries.
• Damaging Winds in Iowa, July 14, 202461 kt wind · 5 eventsSevere thunderstorms produced wind damage and heavy rainfall as the storms sagged southeastward across far eastern Iowa on the evening of July 14th. The strongest storms occurred in Davenport with reports of power outages.
• Hail and Damaging Winds in North Dakota, July 14 to 15, 20241 in hail · 7 eventsMain hazards were wind, with multiple reports of wind damage in North Dakota and some in Lakes Country Minnesota.
• Damaging Wind in Kansas, July 14, 202453 kt wind · 1 eventIn the late afternoon of the 14th, a line of storms from northeastern Colorado moved into northwestern Kansas. This line of storms produced wind gusts up to 61 MPH at the Goodland airport.
• Tornadoes and Hail in Illinois, July 14 to 15, 2024EF1 · 12 eventsThunderstorms initiated across central and northern Iowa during the afternoon of July 14th.
• Damaging Wind in Indiana, July 14, 202452 kt wind · 1 eventScattered thunderstorms moved across parts of northwest Indiana during the late evening of July 14th and the early morning of July 15th producing isolated severe winds.
• Hail and Damaging Winds in Michigan, July 15 to 16, 2024$25,000 · 52 kt wind · 4 eventsIsolated severe thunderstorms produced several reports of damaging wind gusts and an isolated report of hail.
• Tornado and Hail in Minnesota, July 15, 2024EF0 · 11 eventsA cluster of strong thunderstorms across southwestern MN was located on the eastern periphery of an unstable air mass. A subtle shortwave over the northern plains and a strong low-level jet supported a large hail and damaging wind threat.
• Damaging Wind in Minnesota, July 15, 202452 kt wind · 1 eventMain hazards were wind, with multiple reports of wind damage in North Dakota and some in Lakes Country Minnesota.
• Tornadoes and Flash Flooding in Iowa, July 15, 2024EF1 · 63 eventsThunderstorms rapidly developed over northern Iowa during the afternoon and organized into a powerful line of wind producing storms that surged through the Quad Cities and into northern and central Illinois through the evening hours.
• Tornadoes and Flash Flooding in New York, July 15, 2024$72,000 · EF0 · 56 eventsA strong upper-level trough and mesoscale convective vortex (MCV) crossed western and central New York during the afternoon on July 15, 2024. Timing with the MCV corresponded with favorable daytime heating and partly to mostly sunny skies ahead of the system.
• Damaging Winds in Pennsylvania, July 15, 2024$82,000 · 50 kt wind · 9 eventsAn afternoon trough passage supported a few clusters of thunderstorms in an environment characterized by 1000-2000 J/kg of surface-based instability and up to 1500 J/kg of downdraft CAPE.
• Damaging Winds and Lightning Strike in Mississippi, July 15 to 18, 2024$74,000 · 52 kt wind · 6 eventsScattered storms developed across the region each day. Some gusty winds occurred from this activity and a few locations saw some downed trees.
• Hail and Damaging Winds in Massachusetts, July 15, 2024$5,000 · 50 kt wind · 5 eventsA weakening line of thunderstorms moved through Massachusetts during the afternoon and evening bringing a smattering of damaging wind reports and sub severe hail.
• Hail and Damaging Winds in South Carolina, July 15, 20241 in hail · 9 eventsA surface trough moved through the Southeast, sparking scattered thunderstorms across the Midlands and CSRA. Some of these thunderstorms produced damaging winds and hail (mostly sub-severe).
• Hail and Damaging Winds in Ohio, July 15, 2024$20,000 · 1.5 in hail · 20 eventsScattered thunderstorms developed in a warm and humid airmass that was in place across the Ohio Valley.
• Damaging Winds in South Carolina, July 15, 2024$1,000 · 50 kt wind · 4 eventsScattered thunderstorms developed in the early afternoon hours within a typical summertime environment. A few of these storms became strong enough to produce damaging wind gusts.
• Damaging Winds in Pennsylvania, July 15, 20242 injured · $117,000 · 70 kt wind · 29 eventsA shortwave trough in a warm and humid air mass allowed for convection across western Pennsylvania to continue tracking eastward across central Pennsylvania during the evening hours of July 15, 2024.
• Damaging Winds in Georgia, July 15, 2024$23,000 · 61 kt wind · 8 eventsAfternoon thunderstorms were able to tap into diurnal energy and summertime moisture. Thunderstorms were able to produce microbursts capable of localized wind damage across central GA.
• Damaging Winds and Lightning Strike in New York, July 15, 2024$34,000 · 60 kt wind · 6 eventsA series of mid-level shortwaves approached an environment characterized by 1000-2000 J/kg of MLCAPE and marginal shear (mainly at or under 30 kt of Effective Bulk Shear). This allowed isolated severe thunderstorms to develop and produce damaging wind gusts across southeast NY.
• Hail and Damaging Winds in Georgia, July 15, 202450 kt wind · 3 eventsScattered thunderstorms developed in the early afternoon hours within a typical summertime environment. A few of these storms became strong enough to produce damaging wind gusts and hail.
• Damaging Wind in North Carolina, July 15, 202462 kt wind · 1 eventA surface lee trough was present across western North Carolina. Strong diurnal heating coupled to energy aloft led to isolated to scattered showers and storms developing in the southern Piedmont and Sandhills in the afternoon and then tracking into the southern Coastal Plain by…
• Damaging Winds in Georgia, July 15, 2024$2,000 · 50 kt wind · 2 eventsA prevailing SW flow produced a stronger west coast sea breeze that converged with the east coast sea breeze toward the Atlantic coast into the afternoon and evening. Lingering outlflow boundaries also served as convective foci across the area over a moist and unstable airmass.
• Damaging Winds in Virginia, July 15, 2024$171,000 · 65 kt wind · 20 eventsA stalled front amid an unstable airmass spawned clusters of strong to severe thunderstorms, one of which produced considerable wind damage over far northern Virginia.
• Damaging Winds in Wyoming, July 15, 2024$5,000 · 67 kt wind · 3 eventsA deep trough moved into Wyoming and was supportive of numerous showers and thunderstorms. The strongest storms moved through Fremont and Natrona Counties, where wind gusts of over 70 mph were reported. In Hudson, numerous trees were uprooted or snapped.
• Tornado and Flash Flood in Iowa, July 15, 2024$520,000 · EF1 · 29 eventsConvection from a passing upper level trough and associated MCS in the morning brought an initial round of non-severe storms mainly in Minnesota into the far reaches of northern Iowa.
• Damaging Wind in Connecticut, July 15, 2024$3,000 · 50 kt wind · 1 eventA series of mid-level shortwaves approached an environment characterized by 1000-2000 J/kg of MLCAPE and marginal shear (mainly at or under 30 kt of Effective Bulk Shear). This allowed isolated severe thunderstorms to develop and produce damaging wind gusts across southern CT.
• Damaging Winds in South Carolina, July 15, 202450 kt wind · 4 eventsHot and humid atmosphere allowed for the development of storms along a trough positioned inland. Storms flourished and progressed with outflow boundaries and convergence along the sea breeze. There were some reports of downed limbs and trees.
• Hail and Damaging Winds in Maryland, July 15, 2024$71,000 · 1 in hail · 12 eventsA stalled front amid an unstable airmass spawned clusters of strong to severe thunderstorms, one of which produced considerable wind damage over far northern Virginia.
• Lightning Strike in Florida, July 15, 20241 injured · 1 eventA teenager performing lawn maintenance was injured by a lightning strike in Altamonte Springs.
• Tornadoes and Damaging Winds in New York, July 15, 2024$837,000 · EF1 · 91 eventsA mesoscale convective system (MCS) and an upper-level wave moved through the region triggering widespread showers and thunderstorms during the afternoon and evening hours.
• Damaging Wind in California, July 15, 202451 kt wind · 1 eventAn area of low pressure centered offshore of southern Oregon and far northern California sent mid-level moisture northward and created an unstable air mass, leading to the development of a severe thunderstorm with strong straight line, downdraft winds in the Shasta Valley city…
• Hail and Damaging Winds in Indiana, July 15 to 16, 2024$303,000 · 1 in hail · 10 eventsHot and very humid conditions with afternoon temperatures in the low 90s and dewpoints as high as 79 degrees at Shelbyville and 77 degrees at Bloomington promoted abundant instability of 3000-4000 J/kg of CAPE, which coupled with adequate wind shear to produce a few late day…
• Damaging Winds in District of Columbia, July 15, 2024$41,000 · 56 kt wind · 5 eventsA stalled front amid an unstable airmass spawned clusters of strong to severe thunderstorms, one of which produced considerable wind damage over far northern Virginia.
• Hail and Damaging Winds in Pennsylvania, July 15, 20241 injured · $65,000 · 50 kt wind · 29 eventsA mesoscale convective system (MCS) moved into the Northeast and brought widespread showers and thunderstorms with it. With this system moving into the region in the afternoon and evening, daytime heating helped create an unstable environment.
• Damaging Winds in North Carolina, July 15, 202450 kt wind · 2 eventsIsolated thunderstorms developed across western North Carolina during the late afternoon and evening. A couple of the storms produced brief damaging wind gusts.
• Damaging Wind in North Carolina, July 15, 202450 kt wind · 1 eventHot and humid atmosphere allowed for the development of storms along a trough positioned inland. Storms flourished and progressed with outflows and convergence along the sea breeze causing some downed trees.
• Damaging Winds in Ohio, July 15, 2024$142,000 · 60 kt wind · 12 eventsAn afternoon trough passage supported a few clusters of thunderstorms in an environment characterized by 1000-2000 J/kg of surface-based instability and up to 1500 J/kg of downdraft CAPE.
• Hail and Damaging Wind in Iowa, July 15, 202465 kt wind · 2 eventsOn July 15th, a powerful line of destructive storms moved through portions of the Upper Midwest bringing widespread wind damage to portions of Iowa, Illinois and southern Wisconsin. This storm complex was later classified as a derecho by the Storm Prediction Center.
• Damaging Wind in Georgia, July 15, 202460 kt wind · 1 eventA surface trough moved through the Southeast, sparking scattered thunderstorms across the Midlands and CSRA. Some of these thunderstorms produced damaging winds and hail (mostly sub-severe).
• Damaging Winds in Colorado, July 15, 202453 kt wind · 2 eventsHigh based thunderstorms under a ridge of high pressure caused strong outflow winds.
• Hail and Damaging Winds in Michigan, July 15, 2024$4,000 · 1 in hail · 4 eventsA cold front moving through a moist and unstable air mass generated several severe thunderstorms over central Upper Michigan during the evening of the 15th.
• Damaging Winds in Georgia, July 15 to 18, 2024$5,000 · 50 kt wind · 6 eventsScattered thunderstorms developed during the afternoon hours in a typical summertime environment. A few trees were blown down.
• Tornado and Damaging Winds in Wisconsin, July 15, 2024$52,000 · EF1 · 3 eventsOn July 15th, a powerful line of destructive storms moved through portions of the Upper Midwest bringing widespread wind damage to portions of Iowa, Illinois and southern Wisconsin. This storm complex was later classified as a derecho by the Storm Prediction Center.
• Damaging Winds in Oregon, July 15, 2024$31,000 · 52 kt wind · 2 eventsAn area of low pressure centered offshore of southern Oregon and far northern California sent mid-level moisture northward and created an unstable air mass, leading to the development of a severe thunderstorm with strong straight line, downdraft winds in the Rogue Valley cities…
• Flash Flood in New York, July 15, 20241 eventA thunderstorm complex and an upper-level wave moved through the region triggering widespread showers and thunderstorms during the afternoon and evening hours.
• Tornadoes and Flash Flood in Illinois, July 15 to 16, 2024$300,000 · EF2 · 46 eventsThunderstorms rapidly developed over northern Iowa during the afternoon and organized into a powerful line of wind producing storms that surged through the Quad Cities and into northern and central Illinois through the evening hours.
• Tornado and Flash Flooding in Wisconsin, July 15, 2024$48,000 · EF0 · 12 eventsA complex of thunderstorms along a cold front moved across southern Wisconsin causing locally damaging winds, large hail and flash flooding. A tornado occurred near Evansville.
• Flash Flood and Damaging Winds in Arizona, July 15, 2024$1,000 · 51 kt wind · 3 eventsThunderstorms across Graham and Cochise Counties resulted in severe wind gusts near Safford and Sierra Vista. Flash Flooding also occurred in the Sierra Vista region.
• Tornadoes and Flash Flood in Illinois, July 15 to 16, 20244 injured · EF2 · 163 eventsA derecho moved across northern Illinois during the evening of July 15th producing widespread wind damage and 30 tornadoes in northeast Illinois. One of these tornadoes crossed into northwest Indiana.
• Tornadoes and Flash Flooding in Illinois, July 15 to 16, 20241 death · EF1 · 118 eventsOn the evening of July 15, 2024, a derecho brought very strong winds, several tornadoes, and heavy rainfall to a good portion of the Midwest.
• Damaging Winds in Wyoming, July 15, 202455 kt wind · 2 eventsSevere thunderstorms with strong wind gusts over 60 mph occurred over portions of southeast Wyoming on the 15th.
• Damaging Wind in South Carolina, July 15, 202450 kt wind · 1 eventScattered thunderstorms developed over western North Carolina during the late afternoon and evening. One of the storms produced brief damaging wind gusts in York County.
• Hail in South Dakota, July 15, 20241.75 in hail · 6 eventsA severe thunderstorm developed over the southern Black Hills during the early evening, producing hail to around golf ball size in the Custer area.
• Tornadoes and Damaging Winds in Indiana, July 15 to 16, 20241 injured · $1.1 million · EF1 · 53 eventsA decaying derecho moved through the area late in the evening on July 15th. Storms raced eastward into southwest Lower Michigan and northern Indiana, prompting several Severe Thunderstorm Warnings for winds up to 70+ mph and Tornado Warnings for embedded rotation along the line.
• Damaging Winds in Michigan, July 15, 2024$34,000 · 61 kt wind · 8 eventsA derecho moved through the area late in the evening on July 15th. These storms raced eastward into southwest Lower Michigan and northern Indiana, prompting several Severe Thunderstorm Warnings for winds up to 70+ mph.
• Tornadoes and Damaging Winds in Indiana, July 15, 20241 death · EF1 · 32 eventsA derecho moved across northwest Indiana during the evening of July 15th producing widespread wind damage and three tornadoes, one of which started in northeast Illinois. One fatality occurred when a large tree limb fell onto a house in Cedar Lake.
• Damaging Wind in Nebraska, July 15, 202453 kt wind · 1 eventA line of thunderstorms from Wyoming continued across the Nebraska panhandle during the evening of the 15th producing strong winds around 60 mph near Alliance.
• Damaging Winds in Ohio, July 16, 2024$27,000 · 52 kt wind · 3 eventsA derecho moved through the area late in the evening on July 15th. These storms raced eastward into southwest Lower Michigan and northern Indiana, prompting several Severe Thunderstorm Warnings for winds up to 70+ mph.
• Lightning Strike in Michigan, July 16, 2024$35,000 · 1 eventA home in Owosso caught fire due to a lightning strike.
• Hail and Damaging Winds in Kansas, July 16, 20241.75 in hail · 21 eventsAround 7 pm, discreet thunderstorms were moving south of Interstate 70 into the smoky hill region, while a more widespread severe line of storms was moving out of Colorado into the far southwest counties.
• Damaging Winds in Kansas, July 16, 202481 kt wind · 11 eventsCluster of storms migrated out of western Kansas during the early morning hours of July 16th and strengthened as they approached north central Kansas. Storms produced intense straight-line winds as they tracked along I-70 with multiple reports of 70 to 90 mph winds.
• Hail and Damaging Winds in Massachusetts, July 16, 2024$16,000 · 54 kt wind · 19 eventsTwo rounds of storms moved through southern New England causing sporadic wind damage mainly in northwestern and north central Massachusetts.
• Damaging Winds in Kansas, July 16, 202461 kt wind · 33 eventsA morning line of storms produced a swath of damaging winds as it moved across the Interstate 70 corridor in central and east-central Kansas.
• Flash Flooding and Flooding in Illinois, July 16 to 17, 2024$10,000 · 10 eventsExtreme rainfall totals occurred during the morning of the 16th in and around Nashville, Illinois, just northwest of the Quad State region, which resulted in a secondary dam failure. Neighboring portions of Jefferson and Perry Counties received 3-6 and 2-5 inches, respectively.
• Damaging Wind in Missouri, July 16, 2024$10,000 · 55 kt wind · 1 eventA severe thunderstorm developed during the morning hours of July 16, 2024 and affected Camden County with damaging winds. Large trees and a dock at Sunrise Beach were damaged.
• Flash Flooding and Damaging Winds in New York, July 16, 20241 injured · $68,000 · 70 kt wind · 32 eventsFor the second day in a row, a mesoscale convective vortex (MCV) crossed western and central New York during the afternoon on July 16, 2024.
• Tornadoes and Flood in New York, July 16, 20241 injured · $4,000 · EF1 · 148 eventsThe second of three days of hot and humid conditions continued across eastern New York on July 16, 2024. Heat index (feels-like temperatures) reached 95 to 104 degrees across much of the Mohawk and Hudson valleys.
• Hail and Damaging Winds in North Carolina, July 16, 2024$5,000 · 50 kt wind · 4 eventsA hot and humid air mass combined with orographical lift helped to spark isolated thunderstorms that became severe. Thunderstorm winds blew down a few trees in Surry, Watauga, and Wilkes counties. Hail up to the size of pennies fell from one of the storms in Wilkes County.
• Tornadoes and Damaging Winds in New York, July 16, 20241 death · $4.1 million · EF2 · 34 eventsAn upper-level wave moved through the Great Lakes region and brought numerous storms to Central New York, making it one of the more active days in July. Strong instability and shear lead to a severe weather outbreak across the region. A few storms became tornadic.
• Damaging Winds in South Carolina, July 16, 202455 kt wind · 8 eventsA weak shortwave moved across the Southeast, triggering scattered showers and thunderstorms. A few of the storms produced damaging wind gusts in the CSRA and Midlands.
• Hail and Damaging Winds in North Carolina, July 16, 2024$10,000 · 1 in hail · 6 eventsScattered thunderstorms developed across western North Carolina during the afternoon and evening. A few of the storms produced brief severe weather, mainly in the form of damaging wind gusts.
• Damaging Wind in Louisiana, July 16, 2024$1,000 · 52 kt wind · 1 eventThunderstorms formed during the afternoon and evening hours across southeast Louisiana and southern Mississippi in response to high instability. Drier mid-level air mixed into these storms, which aided in the production of hail and microbursts.
• Flash Flood and Debris Flow in Colorado, July 16, 20242 eventsHigh pressure began to retrograde to the west towards Arizona with drier air moving in from the north, keeping the subtropical moisture in place for areas south of Interstate 70.
• Hail and Damaging Winds in Pennsylvania, July 16, 20241 injured · 1 in hail · 35 eventsA strong shortwave and surface trough approached eastern Pennsylvania. The incoming disturbance encountered a very warm, moist, and unstable airmass.
• Hail and Damaging Winds in Pennsylvania, July 16, 2024$125,000 · 1 in hail · 22 eventsAn approaching MCV, coupled with ample instability and moisture during the late afternoon and evening hours of July 16, 2024 allowed for convection to begin forming across the Lower Susquehanna Valley.
• Damaging Wind in Georgia, July 16, 202450 kt wind · 1 eventA weak shortwave moved across the Southeast, triggering scattered showers and thunderstorms. A few of the storms produced damaging wind gusts in the CSRA and Midlands.
• Damaging Winds in Alabama, July 16, 2024$2,000 · 3 eventsMultiple trough axes moved across northern Alabama during the morning into the afternoon hours on the 16th producing multiple rounds of at least scattered strong thunderstorms.
• Damaging Winds in Colorado, July 16, 202470 kt wind · 7 eventsScattered thunderstorms developed within northwesterly flow, causing strong outflow winds and wind damage.
• Damaging Wind in Virginia, July 16, 2024$1,000 · 50 kt wind · 1 eventA hot and humid air mass combined with orographical lift helped to spark an isolated thunderstorm that became severe in Carroll County. Thunderstorm winds blew down two trees in the county.
• Hail and Damaging Winds in Nebraska, July 16, 2024$6.2 million · 1.75 in hail · 17 eventsAn upper trough centered over Canada extended southward over the Midwest and northern and central Plains. Temperatures were in the 80s across south central Nebraska. The atmosphere became uncapped. MLCAPE values were up to 3000 J/kg and effective wind shear was 40 knots.
• Damaging Winds in Utah, July 16 to 18, 202458 kt wind · 4 eventsThe synoptic pattern largely remained ridge-dominant continuing on through mid July, but sufficient moisture helped trigger isolated diurnal convection which produced a small number of strong wind gusts across Utah.
• Hail and Damaging Wind in Mississippi, July 16, 2024$1,000 · 1 in hail · 2 eventsThunderstorms formed during the afternoon and evening hours across southeast Louisiana and southern Mississippi in response to high instability. Drier mid-level air mixed into these storms, which aided in the production of hail and microbursts.
• Tornado and Hail in Nebraska, July 16, 2024$80,000 · EF1 · 17 eventsA broken line of thunderstorms developed from northwestern Garden into northeastern Cherry county during the mid afternoon hours of July 16th.
• Damaging Winds in South Carolina, July 16, 202450 kt wind · 2 eventsVery hot and very muggy conditions allowed two pulse thunderstorms to turn severe in the Pee Dee Region.
• Hail and Damaging Winds in Massachusetts, July 16, 20241 in hail · 12 eventsDuring the afternoon hours of July 16, 2024, a strong upper level disturbance developed an organized line of thunderstorms which tracked south and east into Berkshire County by the early evening.
• Damaging Winds in New Jersey, July 16, 202457 kt wind · 33 eventsA strong shortwave and surface trough approached the Mid-Atlantic. The incoming disturbance encountered a very warm, moist, and unstable airmass.
• Damaging Winds in Vermont, July 16, 2024$10,000 · 83 kt wind · 5 eventsDuring the afternoon and early evening hours of July 16, 2024, a strong upper level disturbance developed an organized line of thunderstorms which tracked east through southern Vermont resulting in multiple downed trees and power lines.
• Hail and Damaging Winds in Kansas, July 16, 202465 kt wind · 5 eventsThunderstorms developed across portions of northwest Kansas resulting in 60-65 mph winds and penny size hail mainly across Norton county. The same storms also led to some wind damage in southern Logan county.
• Damaging Winds in Vermont, July 16, 2024$8,000 · 55 kt wind · 3 eventsA pre-frontal trough moved across Vermont into an moderately unstable airmass across southern VT. This resulted in a broken line of thunderstorms with a few causing some wind damage.
• Damaging Winds in Virginia, July 16, 2024$76,000 · 56 kt wind · 10 eventsA few widely spaced severe thunderstorms spawned by a stalled front produced localized wind damage across parts of northern and central Virginia and central to northeastern Maryland.
• Damaging Winds in New York, July 16, 20241 injured · $4,000 · 55 kt wind · 4 eventsA well-defined shortwave trough and embedded MCV from the previous night's severe MCS tracked towards the region. Strong heating allowed for the area to destabilize, with MLCAPE values around 1000-2000 J/kg.
• Damaging Winds in Oklahoma, July 16, 202465 kt wind · 5 eventsOn the evening of the 16th a mesoscale convective system (MCS) developed over the higher terrain of SE CO and NE NM and moved southeast across the OK Panhandle and far northern TX Panhandle. This system put down widespread wind gusts between 58 and 75 mph.
• Damaging Winds in New Jersey, July 16, 2024$2,000 · 50 kt wind · 2 eventsA well-defined shortwave trough and embedded MCV from the previous night's severe MCS tracked towards the region. Strong heating allowed for the area to destabilize, with MLCAPE values around 1000-2000 J/kg.
• Tornado and Hail in New Hampshire, July 16, 2024$1.1 million · EF1 · 19 eventsA large MCS formed across New York state on the afternoon of July 16th. This complex continued to move eastward and held its structure as it reached New Hampshire by early evening. Bowing line segments caused multiple microbursts and high end wind damage.
• Damaging Wind in Oregon, July 16, 2024$160,000 · 56 kt wind · 1 eventWith a persistent area of low pressure still centered offshore of southern Oregon and far northern California, mid-level moisture moving northward with an unstable air mass lead to the development of a severe thunderstorm with strong straight line, downdraft winds in the Rogue…
• Damaging Winds in Maryland, July 16, 2024$45,000 · 56 kt wind · 7 eventsA few widely spaced severe thunderstorms spawned by a stalled front produced localized wind damage across parts of northern and central Virginia and central to northeastern Maryland.
• Damaging Wind in South Carolina, July 16, 202450 kt wind · 1 eventScattered thunderstorms moved into upstate South Carolina during the evening. One of the storms produced brief damaging wind gusts in Spartanburg County.
• Damaging Winds in Maine, July 16, 202450 kt wind · 3 eventsA large MCS formed across New York state on the afternoon of July 16th. This complex continued to move eastward and held its structure as it reached New Hampshire by early evening. The complex began to weaken by late evening when it reached York and Cumberland County Maine.
• Flash Flooding and Damaging Winds in Arkansas, July 16 to 17, 202456 kt wind · 27 eventsA slow moving cold front, located near the Arkansas and Missouri borders, set the stage for a dangerous flood event to unfold on the night of the 16th into the morning of the 17th across north-central into central portions of Arkansas.
• Damaging Wind and Lightning Strike in Georgia, July 16, 2024$11,000 · 2 eventsIsolated thunderstorms lingered into the evening hours within a typical summertime environment. One storm became strong enough to produce damaging wind gusts and frequent lightning in Effingham County.
• Damaging Wind in Delaware, July 16, 20242 injured · 50 kt wind · 1 eventA strong shortwave and surface trough approached the Mid-Atlantic. The incoming disturbance encountered a very warm, moist, and unstable airmass. The result was strong to severe thunderstorms developing, producing damaging wind gusts and downing trees and power lines in Delaware.
• Damaging Winds in Connecticut, July 16, 2024$3,000 · 50 kt wind · 4 eventsTwo rounds of storms moved through southern New England causing sporadic wind damage mainly in northwestern and north central Massachusetts but also in Connecticut to a lesser extent.
• Damaging Wind in Arizona, July 16, 202457 kt wind · 1 eventA severe thunderstorm in northeast Cochise County resulted in a wind gust of 66 mph along Interstate 10 between San Simon and Bowie.
• Damaging Wind in Texas, July 16, 202451 kt wind · 1 eventOn the evening of the 16th a mesoscale convective system (MCS) developed over the higher terrain of SE CO and NE NM and moved southeast across the OK Panhandle and far northern TX Panhandle. This system put down widespread wind gusts between 58 and 75 mph.
• Damaging Winds in Oklahoma, July 16, 2024$80,000 · 65 kt wind · 11 eventsScattered to numerous thunderstorms developed along a weak surface boundary across the western half of Oklahoma during the evening of the 16th. Despite strong instability, weak wind shear led to generally disorganized (single/multi-cell) storm modes.
• Damaging Wind in Oregon, July 16, 202461 kt wind · 1 eventA shortwave trough traversing the Pacific Northwest brought increasing instability and moisture across the region, resulting in thunderstorms developing across portions of central and north central Oregon the afternoon of July 16th.
• Damaging Winds in Maryland, July 16, 202450 kt wind · 2 eventsA strong shortwave and surface trough approached the Mid-Atlantic. The incoming disturbance encountered a very warm, moist, and unstable airmass.
• Damaging Winds in Kentucky, July 16, 202451 kt wind · 4 eventsA cluster of showers and thunderstorms developed along the Ohio River just after sunset on July 16th. This cluster of storms grew upscale quickly, extending back into western Kentucky before gradually pushing off to the south and east through the nighttime hours.
• Flash Flooding in Kentucky, July 16 to 17, 20246 eventsTorrential training rainfall redeveloped overnight heading into the 17th, this time over portions of Western Kentucky in the Pennyrile region.
• Flash Flood in Arizona, July 16 to 17, 20241 eventThe typical afternoon thunderstorm activity developed across the higher terrain areas of northern and eastern AZ.
• Damaging Winds in Tennessee, July 17, 2024$25,000 · 50 kt wind · 3 eventsScattered thunderstorms impacted Middle Tennessee on July 17, 2024. The main hazard with these thunderstorms were strong winds with several trees blown down across the area.
• Flash Flooding and Heavy Rain in Missouri, July 17, 2024$1.7 million · 26 eventsA mesoscale convective vortex pushed into the Missouri Ozarks during the afternoon of July 16, 2024, resulting in showers and thunderstorms developing out ahead of it.
• Damaging Wind in Washington, July 17, 202450 kt wind · 1 eventA shortwave trough continued across central Oregon into central and eastern Washington, resulting in convective activity from the previous day moving north into this area.
• Damaging Winds and Lightning Strike in Louisiana, July 17 to 18, 2024$7,000 · 50 kt wind · 5 eventsAn upper low meandered over the region allowind scattered afternoon thunderstorm to develop. A couple became severe.
• Damaging Winds in Ohio, July 17, 2024$6,000 · 50 kt wind · 5 eventsShowers and thunderstorms developed ahead of a cold front moving through the Ohio Valley.
• Hail and Damaging Winds in West Virginia, July 17, 2024$23,000 · 1 in hail · 3 eventsA hot and humid air mass combined with an approaching cold front helped to spark an isolated thunderstorm that became severe across Greenbrier County. Thunderstorm winds blew down a notable number of trees and also blew a roof off a garage and pushed it away by 500 feet.
• Hail and Damaging Wind in Wyoming, July 17, 20241.25 in hail · 2 eventsNumerous strong to severe thunderstorms developed under northwest flow east of the ridge centered over the Intermountain-West. Storms produced strong winds and half dollar size hail early in the afternoon on the 17th.
• Hail in South Dakota, July 17, 20241.75 in hail · 5 eventsA supercell thunderstorm developed over the southern Black Hills and tracked south-southeast into Fall River County before dissipating over the plains.
• Hail and Damaging Winds in New Hampshire, July 17, 20241 in hail · 6 eventsA weak frontal boundary pushed though Central New Hampshire during the afternoon hours of July 17th, sparking numerous showers and thunderstorms.
• Damaging Winds in Pennsylvania, July 17, 2024$33,000 · 70 kt wind · 6 eventsA cold front stationed across northwestern Pennsylvania with an approaching MCV from the northern panhandle of West Virginia allowed for convection to begin forming across portions of south-central Pennsylvania during the afternoon hours of July 17, 2024.
• Damaging Winds in Virginia, July 17, 2024$26,000 · 60 kt wind · 15 eventsA hot and humid air mass combined with an approaching cold front helped to produce scattered severe thunderstorms across southwest Virginia. Thunderstorm winds blew down a considerable number of trees and power lines. The winds also knocked down a carport in Buckingham County.
• Hail and Damaging Winds in Pennsylvania, July 17, 20241 in hail · 15 eventsA cold front approached with a hot and humid airmass in place. The result was several strong to severe thunderstorms developing, producing damaging wind gusts across portions of eastern Pennsylvania. Some large hail was reported as well.
• Flash Flood and Damaging Winds in Louisiana, July 17, 2024$3,000 · 52 kt wind · 4 eventsA cluster of thunderstorms formed during the afternoon across southeast Louisiana in response to high moisture and instability.
• Damaging Winds in North Carolina, July 17, 202450 kt wind · 3 eventsScattered thunderstorms developed across western North Carolina during the afternoon. A few of the storms produced brief severe weather in the form of damaging wind gusts.
• Damaging Winds in Virginia, July 17, 2024$93,000 · 56 kt wind · 24 eventsA cold front interacting with a hot and humid airmass produced a few loosely organized clusters of strong to severe thunderstorms. Localized wind damage was the main result in the wake of the storms.
• Damaging Winds in Georgia, July 17, 202459 kt wind · 2 eventsUnusually deep trough across the Great Lakes helped create weak shortwaves across the southeastern US during mid-July.
• Damaging Winds in Pennsylvania, July 17, 2024$21,000 · 50 kt wind · 5 eventsA disturbance brought a couple of strong to severe thunderstorms across portions of Northeastern Pennsylvania. There were multiple reports of trees down in the Wyoming Valley and Poconos as damaging winds were the main hazard with these storms.
• Damaging Wind in South Carolina, July 17, 202450 kt wind · 1 eventScattered thunderstorms and storm clusters developed over upstate South Carolina during the evening. One of the storms produced brief damaging wind gusts in Greenville County.
• Damaging Winds in New Jersey, July 17, 202450 kt wind · 3 eventsA cold front approached with a hot and humid airmass in place. The result was several strong to severe thunderstorms developing, producing damaging wind gusts across portions of New Jersey.
• Hail and Damaging Winds in Nebraska, July 17, 20241.5 in hail · 4 eventsInitial storms early in the afternoon on the 17th produced up to ping pong ball sized as observed in Sioux County Nebraska.
• Damaging Wind and Heavy Rain in Georgia, July 17, 2024$500 · 5 eventsPrevailing SW flow over a very moist and unstable airmass produced locally heavy rainfall given weak steering flow and isolated strong thunderstorms with wet downbursts.
• Damaging Winds in New York, July 17, 2024$39,000 · 60 kt wind · 16 eventsA broad positively tilted upper-level trough approached from the west along with associated surface cold front and pre-frontal trough. The pre-frontal trough moved into an area with high instability (1750-2000 J/kg of MLCAPE).
• Damaging Winds in Alabama, July 17, 2024$22,000 · 52 kt wind · 6 eventsScattered to numerous showers and strong to severe thunderstorms developed during the early afternoon hours ahead of a pre-frontal trough axis moving into central Tennessee and NW Alabama.
• Damaging Winds in Alabama, July 17 to 18, 2024$1,000 · 52 kt wind · 5 eventsWest-southwesterly flow over Central Alabama with ample moisture return and DCAPE values exceeding 800 J/kg resulted in scattered showers and thunderstorms.
• Damaging Winds in Texas, July 17, 2024$4,000 · 56 kt wind · 2 eventsAn upper level disturbance dropping south through the Plains along with a weak cold front kicked off a round of showers and thunderstorms across North Texas the afternoon of July 17. A few storms produced microbursts and minor wind damage.
• Hail in Colorado, July 17, 20240.88 in hail · 2 eventsThunderstorms developed across east Colorado during the afternoon hours producing penny size hail in Cheyenne county and pea to nickel size hail in Yuma county.
• Flash Flooding and Damaging Winds in New Mexico, July 17 to 20, 2024$100,000 · 55 kt wind · 8 eventsA favorable placement of the monsoon high over NM and then shifting to the west allowed for an influx of moisture and instability over the state of NM.
• Damaging Winds and Lightning Strike in Georgia, July 17, 2024$107,000 · 52 kt wind · 5 eventsA weak trough moving across central GA was able to produce a line of thunderstorms across central GA. Two storms within the line were able to become strong with several trees down.
• Hail and Damaging Winds in Massachusetts, July 17, 2024$16,000 · 1 in hail · 30 eventsA cold front swept through southern New England causing widespread damage, especially in western and central Massachusetts.
• Damaging Winds in Connecticut, July 17, 2024$20,000 · 55 kt wind · 6 eventsA broad positively tilted upper-level trough approached from the west along with associated surface cold front and pre-frontal trough. The pre-frontal trough moved into an area with high instability (1750-2000 J/kg of MLCAPE).
• Damaging Winds and Lightning Strike in Virginia, July 17, 2024$24,000 · 50 kt wind · 20 eventsScattered severe thunderstorms well in advance of a cold front produced damaging winds across portions of central and south central Virginia.
• Damaging Winds in South Carolina, July 17, 202456 kt wind · 9 eventsUnusually deep trough across the Great Lakes helped create weak shortwaves across the southeastern US during mid-July.
• Damaging Winds in Maryland, July 17, 2024$13,000 · 52 kt wind · 5 eventsA cold front interacting with a hot and humid airmass produced a few loosely organized clusters of strong to severe thunderstorms. Localized wind damage was the main result in the wake of the storms.
• Damaging Winds in Tennessee, July 17, 202452 kt wind · 3 eventsAn upper level trough, coupled with strong moisture, produced wet downbursts that brought down a few trees across East Tennessee.
• Damaging Wind in Maine, July 17, 202450 kt wind · 1 eventA weak frontal boundary pushed though Central Maine during the afternoon hours of July 17th, sparking numerous showers and thunderstorms. A weak shear environment prevented most storms from becoming severe, but an isolated storm brought some damaging winds to Androscoggin County.
• Hail and Damaging Winds in Georgia, July 17, 20241 in hail · 5 eventsIsolated thunderstorms developed across portions of southeast Georgia in the afternoon hours within a typical summertime environment. The strongest thunderstorm impacted Effingham County with damaging wind gusts and large hail.
• Flash Flood and Flooding in Maryland, July 17, 20243 eventsShowers and thunderstorms led to an isolated instance of flash flooding in Baltimore, Maryland.
• Hail and Damaging Wind in Kansas, July 17, 202455 kt wind · 2 eventsThunderstorms developed across western Kansas during the afternoon hours which led to dime to nickel size hail in Sharon Springs along with a 63 mph wind gust in Sherman county.
• Damaging Wind in Arkansas, July 17, 202452 kt wind · 1 eventScattered thunderstorms developed and quickly intensified in the afternoon on July 17th across Northeast Texas into Southwest Arkansas, in the vicinity of a surface boundary and to the south of a mesoscale convective vortex (MCV) shifting slowly southeastward across Central…
• Damaging Wind in Arizona, July 17, 202456 kt wind · 1 eventMonsoon moisture fueled isolated thunderstorms over northwest Arizona. One produced high winds.
• Damaging Wind in Texas, July 17, 202452 kt wind · 1 eventAn isolated strong wind gust was produced by strong to severe thunderstorms in Callahan County.
• Flash Flooding in Arizona, July 17 to 18, 20243 eventsDeep monsoon moisture over northern Arizona with light steering winds brought locally heavy rain to parts of the area.
• Damaging Wind in Texas, July 17, 2024$1,000 · 50 kt wind · 1 eventAn upper low slowly moved across Southeast Texas causing scattered storms. One storm became severe.

Every billion-dollar disasterEvery storm of 2024Tornadoes in 2024

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.