Midwest/Ohio Valley Severe Weather

Losses, 2024 dollars

$4.5 billion

Losses at the time

$3.3 billion

Deaths

1

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.

• Hail and Damaging Wind in Pennsylvania, April 26, 2012$3,000 · 1 in hail · 4 eventsA cold front triggered a small line of thunderstorms over south-central Pennsylvania during the late evening. These storms produced a few reports of severe hail and wind damage.
• Hail in Kansas, April 26, 20120.75 in hail · 1 eventA large, slow-moving upper low pressure system moved across the High Plains bringing widespread moderate rainfall of one-half to one inch. In addition, storms produced marginally severe hail and a severe wind gust.
• Damaging Wind in Colorado, April 26, 201254 kt wind · 1 eventA large, slow-moving upper low pressure system moved across the High Plains bringing widespread moderate rainfall of one-half to one inch. In addition, storms produced marginally severe hail and a severe wind gust.
• Tornadoes and Hail in Colorado, April 27, 20128 injured · $1.1 million · EF2 · 6 eventsFive separate tornadoes occurred across Bent...Prowers...and Kiowa Counties...causing EF0 to EF2 damage. Eight people were injured...and one horse was killed. Four dwelling were destroyed...along with two mobile homes...one garage...and a metal building.
• Hail in Kansas, April 27, 20121 in hail · 4 eventsAn upper level disturbance combined with remnants of previous evening convection produced a few early morning and predawn storms.
• Hail in Nebraska, April 27, 20120.75 in hail · 1 eventAlthough multiple rounds of thunderstorms affected South Central Nebraska on this Friday, all severe weather in the region remained to the south across Kansas.
• Tornado and Flash Flooding in Missouri, April 27 to 30, 2012$10,000 · EF0 · 26 eventsA stalled frontal boundary over the Ozarks and an upper trough over the region resulted in the development of several rounds of thunderstorms which produced very heavy rainfall.
• Tornado and Hail in Kansas, April 27, 2012$1.1 million · EF0 · 9 eventsMultiple rounds of strong to severe thunderstorms lifted across this six-county area on this Friday.
• Hail and Damaging Winds in South Carolina, April 27, 20122 in hail · 10 eventsThe combination of moderate westerly wind shear and a very unstable airmass resulted in the development of multicell severe storms over Upstate South Carolina. Some of the storms produced large hail.
• Hail and Damaging Winds in South Carolina, April 27, 2012$21,000 · 1 in hail · 9 eventsA stationary front, oriented east to west across the area, became a focus for convection. Thunderstorms developed to the west of the area and then propagated along the front and across the area during the evening.
• Hail in North Carolina, April 27 to 30, 20122 in hail · 12 eventsScattered thunderstorms developed over the North Carolina Mountains during the late afternoon and evening hours. Some of the storms produced large hail.
• Tornadoes and Hail in Kansas, April 27, 2012$2,000 · EF0 · 23 eventsSupercell thunderstorms developed along a warm frontal boundary that was draped from near Concordia, Kansas to near Emporia, Kansas.
• Hail in North Carolina, April 27, 2012$2,000 · 1 in hail · 2 eventsA stationary front, oriented east to west across the area, became a focus for convection. Thunderstorms developed to the west of the area and then propagated along the front and across the area during the evening.
• Hail in Kansas, April 27, 20121.75 in hail · 8 eventsA compact upper level system over western Kansas combined with a weak cold front to produce thunderstorms during the evening mainly across the western counties.
• Hail in Illinois, April 28, 20120.75 in hail · 1 eventA nearly stationary frontal boundary was draped across the southern Plains into central Missouri and central Illinois on April 28-29, 2012.
• Hail and Damaging Winds in Missouri, April 28 to 29, 20121 death · 100 injured · 3 in hail · 44 eventsAn area of low pressure moved east along Interstate 70 corridor with a warm front extending eastward across southern Illinois and a cold front trailing southwestward along I-44.
• Hail in Illinois, April 28, 20121.75 in hail · 14 eventsA warm front lifting northward into the area triggered scattered thunderstorms across south-central Illinois during the afternoon and evening of April 28th. Some of the storms produced large hail along and southwest of a Jacksonville to Robinson line.
• Hail and Damaging Winds in Illinois, April 28 to 29, 20124.5 in hail · 36 eventsAn area of low pressure moved east along Interstate 70 corridor with a warm front extending eastward across southern Illinois and a cold front trailing southwestward along I-44.
• Hail and Damaging Winds in Indiana, April 28, 2012$6,000 · 1.75 in hail · 12 eventsA nearly stationary boundary meandered across the Ohio Valley on the 28th of April. A thunderstorm complex tracked from eastern Missouri, eastward across southern portions of Illinois and Indiana during the late afternoon of the 28th.
• Hail and Damaging Winds in Indiana, April 28, 2012$5,000 · 2.75 in hail · 14 eventsBy late afternoon on April 28th, a stationary boundary lay across southwestern Indiana from Dubois County to near Louisville. This boundary separated a capped but very unstable air mass on its south side from cooler air to the north.
• Hail in Kentucky, April 28, 20122 in hail · 12 eventsDuring the late afternoon on April 28th, a stationary boundary lay across southwestern Indiana, across the city of Louisville and extending southeastward to just south of Lexington. A cluster of severe storms developed over southern Illinois during the early afternoon.
• Tornado and Hail in Texas, April 28, 2012EF0 · 8 eventsEarly this evening, a stationary front extending from the western Permian Basin northeast to the southern Rolling Plains combined with moderate instability to create a single thunderstorm southwest of Lake Alan Henry.
• Hail and Damaging Wind in Oklahoma, April 28 to 29, 20121.75 in hail · 24 eventsSeveral thunderstorms developed just after sunset on April 28 along and near a stationary front from southwest to northeast Oklahoma. The most significant storms were supercells which affected central Oklahoma between 9:30pm and midnight.
• Hail and Damaging Winds in Texas, April 28 to 29, 20121 injured · $60,000 · 2.5 in hail · 36 eventsSevere thunderstorms moved through much of the southern and eastern half of the Texas Panhandle during the late evening through early morning hours producing large hail and damaging thunderstorm winds. No injuries or fatalities were reported.
• Hail in Kansas, April 29, 20120.88 in hail · 1 eventWidespread showers and thunderstorms overspread the region from the southwest during the predawn hours on the 29th. One report of nickel size hail was received in Cowley county.
• Damaging Wind in Oklahoma, April 29, 2012$5,000 · 56 kt wind · 1 eventThunderstorms developed along a frontal boundary lifting northward through northeastern Oklahoma during the early morning hours of the 29th. A report of damaging wind resulted from the storms.
• Hail and Damaging Winds in Kansas, April 29, 20121 in hail · 11 eventsA stalled frontal boundary across southeast Kansas and an upper level trough over the region developed strong to severe storms. These storms produced marginal severe hail and severe wind gusts.
• Hail and Damaging Winds in Kansas, April 29, 20121 in hail · 10 eventsThunderstorms spread off the higher terrain of the plains and into Kansas during the evening hours.
• Tornado and Flash Flooding in Oklahoma, April 29 to 30, 2012$13,000 · EF1 · 8 eventsA complex of thunderstorms developed along and ahead of a slow moving cold front during the evening hours of April 29th and the early morning hours of the 30th. Heavy rain fell across a large part of northeast Oklahoma resulting in flash flooding.
• Flash Flood and Hail in Oklahoma, April 29 to 30, 20121.25 in hail · 6 eventsAn extensive thunderstorm complex evolved across northern Oklahoma during the evening of April 29. These storms trained over the same zone for several hours, stretching roughly from Shattuck to Cherokee to Blackwell.
• Hail and Damaging Winds in Texas, April 29 to 30, 2012$35,000 · 2.75 in hail · 22 eventsSevere thunderstorms developed and moved across much of the Texas Panhandle during the evening and early morning hours producing large hail and damaging thunderstorm wind gusts. No injuries or fatalities were reported.
• Flash Flooding and Flood in Kansas, April 29 to 30, 20121 death · 61 kt wind · 6 eventsAn expansive cluster of thunderstorms produced very heavy rain and flooding, along with spotty reports of severe weather, over extreme southeast Kansas from the late evening hours on the 29th through the predawn hours on the 30th.
• Flash Flooding and Hail in Missouri, April 29 to 30, 20121 in hail · 4 eventsA warm front lifted northward through the region, triggering showers and thunderstorms. Some of the storms caused heavy rain and flash flooding.
• Hail and Damaging Wind in Colorado, April 29, 201251 kt wind · 2 eventsSeveral small clusters of thunderstorms formed across Kit Carson and Yuma counties in Colorado during the evening hours and moved slowly southeast.
• Hail in Iowa, April 29, 20120.75 in hail · 1 eventA nearly stationary frontal boundary was draped across the southern Plains into central Missouri and central Illinois on April 28-29, 2012.
• Flash Flood in Missouri, April 29 to 30, 20121 eventThunderstorms across central Missouri in the late evening hours, of April 29th, 2012, into the early morning hours of April 30th, 2012, caused one report of flash flooding in Cooper County.
• Hail in Oklahoma, April 30, 20121 in hail · 1 eventA severe thunderstorm produced some hail across the central Oklahoma Panhandle during the early morning hours. There were no damage or injuries reported.
• Hail and Damaging Winds in Kentucky, April 30, 201265 kt wind · 4 eventsA few severe thunderstorms occurred in a warm, moist and unstable air mass across western Kentucky.
• Hail in Virginia, April 30, 20121 in hail · 2 eventsA warm front, located across far eastern Tennessee into far northwestern North Carolina was lifting slowly north. An upper-level trough was evident to the west across the mid part of the U.S with a warm, humid air mass lifting north from the south central and southeast U.S.
• Hail in Tennessee, April 30, 20121 in hail · 1 eventA boundary across the area triggered isolated thunderstorms over east Tennessee during the afternoon hours. One of the storms produced large hail.
• Hail and Damaging Wind in Indiana, April 30, 20121 in hail · 4 eventsNumerous low topped thunderstorms developed in a strongly sheared, but weakly unstable environment. One cluster of thunderstorms was able to congeal briefly into a bowing line segment, producing isolated wind damage and hail across Wells and Huntington counties.
• Hail in Texas, April 30, 2012$300 · 2.75 in hail · 9 eventsUpslope flow impinging on an outflow boundary served to focus scattered thunderstorm development late in the afternoon of the 30th, mainly in Garza, Kent and Stonewall Counties.
• Hail in North Carolina, April 30, 20121.75 in hail · 3 eventsA warm front, located across far eastern Tennessee into far northwestern North Carolina was lifting slowly north. An upper-level trough was evident to the west across the mid part of the U.S with a warm, humid air mass lifting north from the south central and southeast U.S.
• Tornadoes and Hail in Kansas, April 30, 2012EF2 · 53 eventsA warm front lifting north was the focus for severe weather development during the afternoon. An upper level jet streak helped in creating the lift and speed shear to produce severe weather.
• Tornado and Flash Flood in Texas, April 30, 2012$100,000 · EF0 · 60 eventsSevere thunderstorms producing large hail, thunderstorm wind gusts, flash flooding and a tornado moved across the southern and eastern Texas Panhandle during the evening hours.
• Flash Flood and Hail in Texas, April 30, 2012$2,000 · 4.25 in hail · 8 eventsA broad upper trough was positioned across the central United States with sufficient lift across West Texas. A dryline was present across the central Permian Basin with plentiful moisture to the east of this boundary.
• Damaging Winds and Heavy Rain in Ohio, April 30, 2012$6,000 · 55 kt wind · 3 eventsAn upper level disturbance moving across the region produced showers and thunderstorms during the evening. Strong shear allowed some of these storms to become severe. The main threats from these storms were damaging thunderstorm winds and heavy rainfall.
• Hail in Arkansas, April 30, 20121 in hail · 2 eventsThe arrival of an area of low pressure aloft triggered isolated instances of hail on the 30th, during the late afternoon and early evening hours.
• Hail in Ohio, April 30, 20120.75 in hail · 1 eventNumerous low topped thunderstorms developed in a strongly sheared, but weakly unstable environment. One thunderstorm managed to produce penny size hail as it collapsed in Allen county.
• Tornadoes and Flash Flood in Oklahoma, April 30, 2012EF1 · 41 eventsTwo distinct areas of severe thunderstorms developed late on the afternoon of April 30. The first was a cluster of supercells that initiated near a warm front across southwest Kansas and northwest Oklahoma.
• Tornadoes and Flash Flooding in Oklahoma, April 30, 2012$87,000 · EF1 · 17 eventsThunderstorms developed over northeastern Oklahoma along a warm front and an outflow boundary from earlier thunderstorms. Tornadoes, large hail, damaging winds, and flash flooding were observed with these thunderstorms.
• Hail and Damaging Winds in Kansas, April 30, 2012$15,000 · 1.75 in hail · 10 eventsAn upper level disturbance interacted with an unstable airmass in place to produce scattered strong to severe thunderstorms across southern Kansas.
• Damaging Wind in Kentucky, April 30, 201254 kt wind · 1 eventAn upper level disturbance moving across the region produced showers and thunderstorms during the evening. Strong shear allowed some of these storms to become severe. The main threats from these storms were damaging thunderstorm winds and heavy rainfall.
• Damaging Wind in Ohio, April 30, 2012$2,000 · 50 kt wind · 1 eventA warm front lifted north into Northern Ohio on April 30th causing scattered showers and thunderstorms to develop. At least one of the thunderstorms became severe.
• Hail and High Wind in Texas, April 30, 20121 in hail · 3 eventsThunderstorms moved near the Red River late in the evening. Although most of the severe weather remained north of the river, quarter-size hail was reported in Odell. No other severe weather was repored.
• Damaging Winds in Kentucky, April 30, 201250 kt wind · 2 eventsA broken line of thunderstorms moved southeast across eastern Kentucky during the evening hours of April 30th. While most of the storms were not severe, there were isolated reports of wind damage in Montgomery and Magoffin Counties from these storms.
• Damaging Wind in West Virginia, April 30, 2012$5,000 · 52 kt wind · 1 eventWell ahead of a cold front, a mid level disturbance helped trigger convection during the late evening. A strong wind flow existed above the ground.
• Flash Flooding and Hail in Ohio, May 1 to 2, 2012$46,000 · 1.75 in hail · 10 eventsAn east to west front was lifting slowly back north through central Ohio into western Pennsylvania by evening. Several mid level disturbances moved east to help form afternoon and evening convection.
• Tornado and Flash Flooding in Oklahoma, May 1, 20121 injured · $272,000 · EF2 · 14 eventsThunderstorms developed over far northeast Oklahoma, in the vicinity of a warm front and an outflow boundary from earlier thunderstorms. Large hail, damaging winds, several tornadoes and flash flooding were observed with these thunderstorms.
• Flash Flood and Hail in Kansas, May 1, 2012$2,000 · 1 in hail · 4 eventsAn upper level disturbance developed isolated severe storms which produced marginal severe hail and heavy rainfall that lead to localized flash flooding.
• Flash Flood and Hail in Missouri, May 1, 201252 kt wind · 5 eventsAn upper level disturbance helped produced isolated severe wind gusts and localized flash flooding.
• Hail in Kansas, May 1, 20120.88 in hail · 1 eventA thunderstorm produced nickel-sized hail near Herington.
• Hail and Damaging Winds in Wisconsin, May 1 to 3, 2012$5,000 · 1.75 in hail · 18 eventsClusters of severe thunderstorms...producing large hail up to 1.75 inches in diameter and wind gusts up to 70 mph (61 knots) moved across much of Southeast Wisconsin and a portion of South-Central Wisconsin during the afternoon hours of May 3rd.
• Hail and Damaging Wind in North Carolina, May 1, 20122.5 in hail · 22 eventsThunderstorms developed over the North Carolina mountains during the afternoon hours. Several of the storms produced hail.
• Tornado and Hail in Kentucky, May 1, 2012$40,000 · EF0 · 6 eventsA warm front moved north of the Ohio River and was positioned across central Indiana and southern Ohio by late afternoon. Although Kentucky was somewhat capped, isolated severe storms developed during the afternoon and evening of May 1st.
• Tornadoes and Flooding in Indiana, May 1, 2012$73,000 · EF1 · 32 eventsAn area of low pressure moved along a warm front during the afternoon of May 1. The low and front interacted with warm and unstable air to produce numerous thunderstorms across central Indiana. One storm produced a couple of tornadoes, and another produced a brief tornado.
• Hail and Damaging Winds in Virginia, May 1, 20122 injured · $18,000 · 1.75 in hail · 11 eventsThe day started off with a decaying high pressure wedge situated across the piedmonts of Virginia and North Carolina, while a warm front was making its way northward across Kentucky into the mountains of Virginia and North Carolina.
• Hail and Damaging Winds in North Carolina, May 1, 2012$2,000 · 1.75 in hail · 10 eventsThe day started off with a decaying high pressure wedge situated across the piedmonts of Virginia and North Carolina, while a warm front was making its way northward across Kentucky into the mountains of Virginia and North Carolina.
• Lightning Strikes in Georgia, May 1 to 6, 2012$5,000 · 2 eventsScattered to numerous afternoon and evening storms with prevailing dry conditions sparked fires from lightning strikes and wildfires continued to burn across the area.
• Hail in North Dakota, May 1, 20121 in hail · 5 eventsLate in the afternoon of the 1st, two distinct areas of surface low pressure formed over Eastern North Dakota. One surface low formed across Southeast North Dakota and the second over Northeast North Dakota.
• Hail and Damaging Winds in North Carolina, May 1, 2012$12,000 · 1.5 in hail · 13 eventsAn upper level disturbance tracked across portions of the Mid Atlantic Region and interacted with a moist and unstable low level air mass causing scattered showers and storms to develop across the Northern Piedmont of central North Carolina.
• Tornado and Hail in Indiana, May 1, 2012$250,000 · EF1 · 6 eventsA warm front lifting across the Ohio Valley during the morning brought into the area a very unstable airmass. Numerous thunderstorms developed during the afternoon and evening. The environment was favorable for large hail and damaging winds.
• Hail and Damaging Winds in South Dakota, May 1, 20121.75 in hail · 10 eventsThunderstorms produced large hail at several locations in southeast South Dakota during the middle and late afternoon of May 1st. There were also two reports of damaging winds. Most of the hail and damaging wind reports were from near Interstate 90.
• Tornadoes and Hail in Illinois, May 1, 2012$33,000 · EF1 · 8 eventsIsolated supercell thunderstorms developed along an advancing warm front during the afternoon of May 1st. The storms produced 4 tornadoes across portions of Piatt, Champaign, and Vermilion counties. Only minor damage was noted.
• Hail in Kentucky, May 1, 2012$20,000 · 2.75 in hail · 5 eventsA warm front lifting across the Ohio Valley during the morning brought into the area a very unstable airmass. Numerous thunderstorms developed during the afternoon and evening. The environment was favorable for large hail and damaging winds.
• Tornadoes and Hail in Minnesota, May 1, 2012$785,000 · EF0 · 32 eventsA frontal boundary that lied across central Minnesota, was the focus for showers and thunderstorms that developed near Alexandria, and moved to the east-southeast during the afternoon, and evening hours.
• Damaging Winds in Virginia, May 1, 2012$9,000 · 50 kt wind · 6 eventsScattered severe thunderstorms in advance of a cold front produced damaging winds across portions of south central and southeast Virginia.
• Tornadoes and Flash Flooding in Ohio, May 1 to 2, 2012$53,000 · EF0 · 34 eventsA warm front lifting across the Ohio Valley during the morning brought into the area a very unstable airmass. Numerous thunderstorms developed during the afternoon and evening. The environment was favorable for large hail and damaging winds.
• Hail in Minnesota, May 1, 20121.25 in hail · 9 eventsThunderstorms produced large hail, up to half dollar size, at several locations in southwest Minnesota, during the late afternoon and early evening of May 1st.
• Hail in Nebraska, May 1, 20121.75 in hail · 5 eventsIsolated severe thunderstorms developed along a weak boundary.
• Damaging Winds in North Carolina, May 1, 20121 death · $6,000 · 50 kt wind · 3 eventsScattered severe thunderstorms in advance of a cold front produced damaging winds across portions of northeast North Carolina.
• Hail and Damaging Winds in North Carolina, May 1 to 2, 20121 in hail · 5 eventsTwo weak upper level disturbances crossed through northeastern North Carolina during the early evening hours of May 1st and May 2nd, 2012. A few severe storms occurred which produced downed trees and large hail.
• Tornado and Hail in Iowa, May 1, 2012$55,000 · EF0 · 16 eventsThunderstorms produced large hail and damaging winds at numerous locations in northwest Iowa during the evening of May 1st. There was also one report of a tornado.
• Hail in Kentucky, May 1, 20121 in hail · 2 eventsA stalled warm frontal boundary coupled with a weak wave overhead helped to spawn a few strong pulse thunderstorms. Two thunderstorms were warned on and one of the storms produced quarter sized hail.
• Damaging Wind in South Dakota, May 1, 201255 kt wind · 1 eventA thunderstorm produced strong wind gusts as it tracked eastward across the west central South Dakota plains. A wind gust of 63 mph was recorded at the Philip Airport.
• Hail in Nebraska, May 1, 2012$1.6 million · 1.5 in hail · 12 eventsServing as the opening act to an active several days of severe weather, this Tuesday evening featured a cluster of hail-producing supercell storms within eastern portions of the area, primarily affecting Hamilton, York and Polk Counties.
• Hail in South Dakota, May 1, 20120.75 in hail · 1 eventAn isolated thunderstorm brought penny size hail to Potter county.
• Hail and Damaging Winds in Iowa, May 1 to 2, 2012$620,000 · 1 in hail · 21 eventsA strong push of moist air occurred during the day on the 1st with surface dewpoint readings climbing to the mid 50s to mid 60s across the state.
• Hail in Nebraska, May 1 to 2, 20121.25 in hail · 5 eventsThunderstorms developed along a front that moved into eastern Nebraska before stalling. Instability was high enough so that several of these storms became severe and produced large hail.
• Lightning Strike in Minnesota, May 1, 2012$30,000 · 1 eventLightning hit a power substation in Rochester (Olmsted County) and caused power outages to residences and damage to the substation in the late evening hours on May 1st.
• Hail in Iowa, May 1 to 2, 20121 in hail · 2 eventsScattered thunderstorms over northeast Iowa produced quarter size hail near Volney (Allamakee County) in the early morning hours of May 2nd.
• Hail and Damaging Winds in Iowa, May 2, 201270 kt wind · 9 eventsDuring the early morning hours of May 2nd a strong disturbance lifting northward centered the development of a line of thunderstorms along a warm front bisecting Iowa from west to east.
• Damaging Wind in Ohio, May 2, 2012$5,000 · 50 kt wind · 1 eventIsolated severe thunderstorms developed along a stalled frontal boundary during the early morning hours.
• Hail in Illinois, May 2, 20121 in hail · 1 eventDuring the early morning hours of May 2nd a strong disturbance lifting northward centered the development of a line of thunderstorms along a warm front bisecting Illinois from west to east.
• Tornadoes and Flash Flood in Nebraska, May 2 to 3, 2012$10 million · EF1 · 49 eventsMultiple severe thunderstorms produced large hail up to softball size, localized flooding rains and one EF1 tornado between the evening of Wednesday the 2nd and early morning hours of Thursday the 3rd.
• Hail in Illinois, May 2, 20120.88 in hail · 1 eventWidely scattered thunderstorms developed in a warm and humid airmass in the wake of a warm front that lifted into northern Illinois on May 2nd. One cell produced nickel-sized hail in Christian County.
• Hail in North Carolina, May 2, 20121.75 in hail · 6 eventsScattered thunderstorms developed in a warm and unstable airmass over the North Carolina mountains. A few of the storms produced large hail.
• Flash Flooding and Lightning Strikes in Louisiana, May 2, 20121 injured · $147,000 · 5 eventsA moist, unstable airmass combined with an upper level disturbance to produce strong thunderstorms during the morning and afternoon hours. These thunderstorms were slow moving and produced very heavy rainfall in isolated areas.
• Flash Flood and Damaging Winds in Mississippi, May 2, 2012$12,000 · 4 eventsShowers and thunderstorms developed in association with a shortwave that moved across the region. Some of the storms produced heavy rain and strong gusty winds.
• Hail in Virginia, May 2, 20121 in hail · 2 eventsA cold front moved in from the Atlantic Ocean during the 2nd. Moderate instability combined with forcing from the front to trigger some showers and thunderstorms. A few thunderstorms produced large hail.
• Hail in Mississippi, May 2, 20121.75 in hail · 5 eventsA weak upper level low pressure system moved over the Mid-South on May 2nd, 2012. The combination of the upper low and daytime heating produced showers and thunderstorms across the area during the late afternoon into the evening. Some storms became severe producing large hail.
• Hail in Virginia, May 2, 20121.75 in hail · 9 eventsAn upper level disturbance passed across the Blue Ridge Mountains in Virginia on the afternoon of May 2nd 2012 and interacting with low level convergence along the Blue Ridge associated with a lee side trough.
• Hail in Arkansas, May 2, 20121.75 in hail · 4 eventsA weak upper level low pressure system moved over the Mid-South on May 2nd, 2012. The combination of the upper low and daytime heating produced showers and thunderstorms across the area during the late afternoon into the evening. Some storms became severe producing large hail.
• Hail in Pennsylvania, May 2, 20120.88 in hail · 1 eventIsolated thunderstorms developed along a stalled frontal boundary during the early morning hours.
• Flash Flooding and Hail in Minnesota, May 2 to 3, 2012$452,000 · 2.5 in hail · 38 eventsThunderstorms began to develop along a weak frontal boundary across southern Minnesota, between Springfield and Mankato.
• Flash Flood and Hail in Alabama, May 2 to 3, 20121 in hail · 3 eventsA slow-moving upper level low cross the Southeast during the first week of May. On Wednesday, the 2nd, and Thursday, the 3rd, impulses rotating around the low combined with increasing moisture from the Gulf of Mexico to provide the right conditions for showers and thunderstorms…
• Hail in South Dakota, May 2, 20121 in hail · 11 eventsSeveral thunderstorms brought severe weather to parts of central and northeast South Dakota. Hail from penny size to quater size fell across the area.
• Hail and Damaging Wind in New York, May 2, 2012$65,000 · 1 in hail · 4 eventsA warm front lifted north from the Ohio Valley and brought showers and thunderstorms to the region. Isolated thunderstorms over Southern Erie and Chautauqua County produced hail up to one inch in diameter near Bemus Point and North Collins.
• Flash Flooding in Alabama, May 2, 20123 eventsHeavy rain caused flooding across portions of southwest Alabama.
• Hail in Tennessee, May 2, 20121 in hail · 1 eventA weak upper level low pressure system moved over the Mid-South on May 2nd, 2012. The combination of the upper low and daytime heating produced showers and thunderstorms across the area during the late afternoon into the evening. Some storms became severe producing large hail.
• Hail and Damaging Winds in North Dakota, May 2, 2012$100 · 1 in hail · 9 eventsA mid level disturbance lifting into the Dakotas triggered scattered strong to severe thunderstorms along a surface warm front over far southern North Dakota during the evening hours of May 2nd. The severe storms produced large hail and high winds.

Every billion-dollar disasterEvery storm of 2012Tornadoes in 2012

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.