Rockies/Midwest/Eastern Severe Weather
One of the severe storm disasters on NOAA’s billion-dollar list: $4.9 billion in losses at 2024 prices ($3.7 billion at the time).
What the offices filed during it
The 144 most significant severe storm episodes filed in these dates, colored by kind.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Losses, 2024 dollars
- $4.9 billion
- Losses at the time
- $3.7 billion
- Deaths
- 0
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.
By state, as filed
| State | Events | Deaths | Injuries | Damage filed |
|---|---|---|---|---|
| Illinois | 103 | 0 | 2 | $102 million |
| South Carolina | 69 | 0 | 0 | $8.6 million |
| New York | 62 | 0 | 0 | $3.0 million |
| Texas | 91 | 0 | 0 | $2.1 million |
| Ohio | 96 | 0 | 0 | $2.0 million |
| Wyoming | 37 | 0 | 1 | $560,000 |
| Kentucky | 77 | 0 | 0 | $503,000 |
| North Dakota | 8 | 0 | 0 | $405,000 |
| Iowa | 66 | 0 | 0 | $380,000 |
| Virginia | 48 | 0 | 0 | $308,000 |
| New Jersey | 19 | 0 | 0 | $250,000 |
| New Mexico | 53 | 1 | 1 | $152,000 |
| Delaware | 9 | 0 | 2 | $150,000 |
| Indiana | 95 | 0 | 0 | $142,000 |
| North Carolina | 13 | 0 | 0 | $103,000 |
| Nebraska | 41 | 0 | 0 | $100,000 |
| Oregon | 2 | 0 | 0 | $86,000 |
| Georgia | 9 | 0 | 0 | $77,000 |
| Massachusetts | 4 | 0 | 0 | $65,000 |
| Colorado | 76 | 0 | 0 | $35,000 |
| Maryland | 48 | 0 | 0 | $29,000 |
| Vermont | 1 | 0 | 0 | $25,000 |
| Utah | 3 | 0 | 0 | $21,000 |
| Tennessee | 26 | 0 | 0 | $19,000 |
| Idaho | 4 | 0 | 0 | $3,000 |
| California | 3 | 0 | 0 | $3,000 |
| Pennsylvania | 68 | 0 | 0 | $2,000 |
| Oklahoma | 11 | 0 | 0 | $2,000 |
| Nevada | 7 | 0 | 0 | $2,000 |
| Connecticut | 1 | 0 | 0 | $2,000 |
| Montana | 46 | 0 | 0 | |
| Kansas | 11 | 0 | 0 | |
| Minnesota | 10 | 0 | 0 | |
| Michigan | 3 | 0 | 0 | |
| South Dakota | 2 | 0 | 0 | |
| Missouri | 2 | 0 | 0 | |
| West Virginia | 2 | 0 | 0 |
Episode by episode
- Hail in Utah, May 16, 2014A moist and very unstable airmass resulted in isolated strong thunderstorms in northeast Utah.
- Damaging Wind in Wyoming, May 16, 2014A few thunderstorms erupted over the mountains west of Big Piney during the early evening and moved southeast into the Upper Green River Basin. One storm produced strong outflow wind as it moved near Big Piney.
- Flash Flooding in New York, May 16, 2014A wave of low pressure riding along a cold front produced scattered showers and thunderstorms that resulted in heavy rain and flash flooding in portions of New York City and Nassau County.
- Flash Flood in Massachusetts, May 17, 2014A very moist tropical airmass in place over Southern New England aided in increasing rainfall rates of storms that developed ahead of a cold front. Isolated flash flooding occurred.
- Damaging Wind in Vermont, May 17, 2014An unseasonably strong upper atmospheric low delivered a weak cold front and surface wave across Vermont during the early morning hours of May 17th. A thunderstorm developed across central Vermont and moved across Craftsbury, where it produced a localized microburst.
- Hail in Wyoming, May 17, 2014A thunderstorm deposited large hail in southwest Laramie County.
- Lightning Strike in Oregon, May 17, 2014A home in Woodburn, Oregon caught on Fire after being struck by lightning. There were also 2000 customers without power in Multnomah and Clackamas Counties from lightning.
- Tornado and Hail in Montana, May 18, 2014The seasons first severe weather outbreak occurred during the afternoon and evening hours of the 18th. A cluster of thunderstorms developed across Sweet Grass and Stillwater Counties during the early afternoon hours as an upper level impulse approached the area.
- Tornadoes and Hail in Nebraska, May 18, 2014Thunderstorms produced numerous funnel clouds, large hail, damaging winds and a weak tornado.
- Hail and Damaging Winds in Georgia, May 18, 2014An upper level disturbance moved through the area on the 18th. Instability increased across central Georgia during the afternoon hours, with several showers and thunderstorms developing. A few of these thunderstorms became severe with both large hail and damaging winds reported.
- Hail in Wyoming, May 18, 2014A thunderstorm clipped extreme northwestern Campbell County and produced nickel sized hail north of Recluse.
- Hail in Wyoming, May 18, 2014Hail to baseball size was reported as a supercell thunderstorm tracked across southern Campbell and Weston Counties.
- Damaging Wind in Oregon, May 18, 2014Winds from a Thunderstorm resulted in a large Oak Tree falling on two vehicles downtown Portland.
- Hail in Georgia, May 18, 2014A meandering frontal zone over southeast Georgia combined with a broad low amplitude trough provided enough lift and destabilization to trigger a severe storm which produced large hail over inland SE Georgia.
- Damaging Wind in Wyoming, May 18, 2014An outflow from a thunderstorm across Big Horn County in Montana produced a severe wind gust in the Sheridan area.
- Hail and Damaging Wind in Nebraska, May 19, 2014A disturbance that moved across the western Sandhills initiated severe thunderstorm on May 19th. The largest hail occurred in the southwest, where hail up to 2.75 inches in diameter fell in Perkins County.
- Hail in South Dakota, May 19, 2014An isolated thunderstorm brought quarter size hail north of Milbank.
- Hail in Minnesota, May 19, 2014A couple thunderstorms produced hail from quarters up to golf ball size in west central Minnesota. The golf ball size hail northwest of Correll produced significant siding damage to several buildings.
- Hail in Minnesota, May 19, 2014A line of thunderstorms developed across the eastern Dakotas during the early morning of Monday, May 19th. The southern edge of these storms moved across far west central Minnesota and produced large hail from near Lake Oliver to Danvers in western Swift County.
- Hail in Minnesota, May 19, 2014A few thunderstorms intensified on the southern edge of a line of convection, which extended from the northern end of the Red River Valley southward into west central Minnesota. One storm over Grant County, Minnesota, produced quarter sized hail.
- Hail in Iowa, May 19, 2014Thunderstorms moved into northwest Iowa overnight and developed into central Iowa during the morning. Severe parameters were weak with 500 to 1000 J/kg of MUCAPE. CAPE in the -10 to -30 C layer of the atmosphere was in the 100 to 200 J/kg range.
- Hail in Iowa, May 19, 2014Thunderstorms developed ahead of an advancing warm front during the afternoon of May 19th. A few of these storms produced some hail with the largest reported being dime sized near Ossian (Winneshiek County).
- Hail in Nebraska, May 19, 2014Thunderstorms produced large hail across the southern Nebraska Panhandle.
- Hail in Wyoming, May 19, 2014A thunderstorm produced large hail in eastern Laramie County.
- Hail in Colorado, May 19, 2014A severe thunderstorm produced large hail, up to 2 inches in diameter. The hail broke several windows of a home.
- Flash Flooding and Hail in Iowa, May 20 to 21, 2014A cold front moved slowly south into the state during the day on the 20th. The flow was quite light with overall weak dynamics associated with the system. The atmosphere became unstable by afternoon with around 2000 J/kg of CAPE available.
- Flash Flood and Hail in Wyoming, May 20, 2014Thunderstorms across southeast Wyoming produced large hail, strong winds and very heavy rainfall.
- Hail in Colorado, May 20, 2014Severe thunderstorms produced hail, up to quarter size, in Denver and Jefferson Counties. As the storms tracked across eastern Arapahoe and Lincoln Counties, hail up to baseball size was observed.
- Hail in Iowa, May 20, 2014Scattered thunderstorms developed near a slow-moving front in western Iowa during the afternoon and evening of May 20th. A few storms produced 3/4 inch and larger hailstones.
- Hail and Damaging Winds in Iowa, May 20 to 21, 2014Warm and muggy conditions were found across the region May 20 as a cold front tracked east across Iowa.
- Damaging Wind in Idaho, May 20, 2014A strong thunderstorm caused a gas station to be blown over in the city of Declo.
- Hail in Illinois, May 20, 2014Warm and muggy conditions were found across the region May 20 as a cold front tracked east across Iowa.
- Flash Flooding and Flood in Illinois, May 20, 2014Scattered severe thunderstorms developed across northern Illinois producing mainly large hail with a few sporadic areas of wind damage. One storm in particular became quite intense as a right-moving supercell that tracked across the western and southern suburbs of Chicago.
- Tornado and Hail in Nebraska, May 20, 2014Thunderstorms in Sioux and Scotts Bluff counties in the western Nebraska Panhandle produced funnel clouds, large hail and a weak tornado.
- Hail in Texas, May 20, 2014An upper level low along the California coast was moving east with an upper ridge over the central United States. There was a dryline present near the higher terrain of West Texas which helped to produce thunderstorms.
- Hail in Colorado, May 20, 2014A supercell thunderstorm rolled east along Interstate 70 during the evening producing numerous reports of large hail across Kit Carson County, some up to two inches in diameter. The storm dissipated shortly after crossing the Kansas border.
- Hail and Damaging Winds in Indiana, May 20 to 21, 2014A weak upper level system moved across the region with abundant moisture in place. While CAPE was sufficient for thunderstorms development, shear was somewhat lacking resulting in storms more of a pulse nature.
- Hail in Michigan, May 20 to 21, 2014A warm front moved through Lower Michigan on May 20th and thunderstorms began to develop late in the evening in the warm and unstable air mass over portions of Iowa and Illinois.
- Flash Flooding and Flooding in New York, May 21, 2014A warm front was stalled from southwest Ontario across central Lake Erie into northwest Pennsylvania. The front remained nearly stationary through the night and morning of the 21st and was the focus of steady, often moderate to heavy, rain over Chautauqua County.
- Flash Flooding and Damaging Winds in Pennsylvania, May 21, 2014A nocturnal convective complex brought training thunderstorms to north-central Pennsylvania during the early morning hours. A localized 3-5 inches of rain fell over a 8-10 hour period which resulted in significant flash flooding in Elk and northern Clearfield Counties.
- Hail in Missouri, May 21, 2014An isolated strong thunderstorms produced sub-severe hail.
- Flash Flooding and Hail in Indiana, May 21 to 22, 2014Thunderstorms developed in warm and unstable air ahead of an approaching cold front during the afternoon and evening hours of May 21. These storms continued into the early morning hours of May 22.
- Tornadoes and Hail in Colorado, May 21, 2014Severe thunderstorms occurred in and around the Denver area. The storms produced large hail, from quarter to golfball size. Frontier Airlines canceled 16 flights, when several planes sustained hail damage.
- Flash Flooding and Flooding in Ohio, May 21 to 22, 2014Thunderstorms developed in an unstable air mass ahead of a cold front. These thunderstorms were capable of producing large hail, damaging winds, heavy rainfall, flooding, and flash flooding. Some of the flooding lingered into the morning of May 22.
- Tornadoes in Nevada, May 21, 2014A thunderstorm moving form east to west across Elko produced two EF0 tornadoes. The first tornado touched down on Manzanita Lane behind JC Penny's. A photo was taken of the tornado. No damage was reported besides some debris stuck in a fence along the tornado's path.
- Hail in Nevada, May 21, 2014A thunderstorm produced penny to nickle size hail on the west side of Elko.
- Flash Flooding and Hail in Illinois, May 21 to 22, 2014A cold front interacted with a warm and humid airmass to produce clusters of severe thunderstorms during the late afternoon and evening of May 21st.
- Hail in Ohio, May 21, 2014Clusters of thunderstorms formed during the mid afternoon in central Ohio and moved southeast toward the Ohio River. This was well in advance of a cold front in the Midwest.
- Hail in Illinois, May 21, 2014A few scattered thunderstorms developed across east central Illinois during the afternoon of the 21st. At least one of these storms produced large hail.
- Hail in West Virginia, May 21, 2014Clusters of thunderstorms formed during the mid afternoon in central Ohio and dropped southeast, reaching western West Virginia by late afternoon. This was well in advance of a cold front in the Midwest.
- Hail in Colorado, May 21, 2014A severe storm dumped prodigious amounts of large hail (up to golf ball size) across El Paso County from Fort Carson, through Colorado Springs, and into Black Forest area during the mid-afternoon. Hail damage totaled into the millions of dollars.
- Tornado and Flash Flooding in Wyoming, May 21 to 22, 2014Thunderstorms produced large hail, torrential rainfall, funnel clouds and a tornado across portions of east-central and southeast Wyoming.
- Flash Flooding and Hail in Ohio, May 21 to 22, 2014An area of low pressure moved through the central great lakes on May 21st with a cold front moving into northern Ohio during the evening. Several severe thunderstorms developed in the unstable air ahead of the cold front.
- Hail and Damaging Wind in Illinois, May 21, 2014A strong cold front moved through the region, triggering showers and thunderstorms. Several of the storms produced large hail and damaging winds.
- Hail and Heavy Rain in Texas, May 21, 2014An upper level low pressure area was over Nevada and was moving eastward toward West Texas. An upper level disturbance was approaching the area, and a dryline was present across parts of eastern New Mexico into the western Permian Basin and southward into the Davis Mountains.
- Hail and Damaging Winds in Indiana, May 21, 2014Thunderstorms developed in an unstable air mass ahead of a cold front. These thunderstorms were capable of producing large hail and damaging winds.
- Hail and Damaging Wind in Illinois, May 21, 2014An isolated severe thunderstorm occurred ahead of a cold front that extended from northern Indiana southwest across central Illinois to central Missouri. The storm occurred within a corridor of moist and very unstable air just ahead of the front.
- Hail in Texas, May 21, 2014The evening of the 23rd saw a brief round of severe weather across the south central Texas Panhandle.
- Hail and Damaging Winds in Maryland, May 21 to 22, 2014A warm front lifted northward across the Mid-Atlantic and showers and thunderstorms formed across the Central Foothills where breaks in the clouds led to increased instability. Thunderstorms spread east and north as the boundary moved northward.
- Damaging Winds in Texas, May 21, 2014A sharp upper level shortwave trough swept across eastern New Mexico ahead of a larger scale low pressure system over the Great Basin.
- Hail and Damaging Winds in Virginia, May 21 to 22, 2014A warm front lifted northward across the Mid-Atlantic and showers and thunderstorms formed across the Central Foothills where breaks in the clouds led to increased instability. Thunderstorms spread east and north as the boundary moved northward.
- Hail and Damaging Winds in Kentucky, May 21, 2014Thunderstorms developed in an unstable air mass ahead of a cold front. These thunderstorms were capable of producing large hail and damaging winds.
- Flash Flooding in Texas, May 21, 2014The evening of the 23rd saw a brief round of severe thunderstorms across the south central Texas Panhandle.
- Hail and Damaging Winds in Kentucky, May 21 to 22, 2014Strong instability developed during the afternoon of the 21st to the south of a weak boundary sliding south across central Indiana.
- Tornado in Nevada, May 21, 2014A tornado was photographed near Horse Mountain. A storm survey was conducted but steep and rugged terrain hampered survey efforts. No damage was found.
- Flash Flood and Hail in Indiana, May 21 to 22, 2014Strong instability developed during the afternoon of the 21st to the south of a weak boundary sliding south across central Indiana.
- Hail in Colorado, May 21, 2014A line of thunderstorms, oriented NW to SE, developed over Colorado during the afternoon and moved into western Kansas during the evening. A half dozen reports of large hail and strong winds were received from spotters.
- Damaging Winds in Idaho, May 21, 2014Thunderstorm outflows merged in the Treasure Valley and caused wind damage across parts of Southwest Idaho.
- Hail and Damaging Winds in Kansas, May 21, 2014A line of thunderstorms, oriented NW to SE, developed over Colorado during the afternoon and moved into western Kansas during the evening. A half dozen reports of large hail and strong winds were received from spotters.
- Tornado in Idaho, May 21, 2014A tornado was spotted about 10 miles west-northwest of American Falls around 640 PM MDT and it moved slightly north-northwest until around 7 pm MDT. It was located 1.2 mile north-northwest of the intersection of North Pleasant Valley Road and County Line Road at 641 pm MDT.
- Damaging Winds in Kentucky, May 21, 2014Low pressure over the Great Lakes and a cold front extending southwest from it through the northwest Ohio Valley and into the middle of Missouri were the initial cause of severe thunderstorms that eventually moved across eastern Kentucky later in the evening of May 21st.
- Damaging Winds in Tennessee, May 21, 2014Organized convection formed earlier in the day across the Ohio Valley ahead of a cold front and shifted southeast into Southwest Virginia and Northeast Tennessee.
- Damaging Wind in Virginia, May 21, 2014Organized convection formed earlier in the day across the Ohio Valley ahead of a cold front and shifted southeast into Southwest Virginia and Northeast Tennessee.
- Hail in Kansas, May 22, 2014One isolated severe weather report was reported.
- Hail in Kansas, May 22, 2014A small bow echo tracked through North Central Kansas after the midnight hour on this Thursday. The bow tracked across northwestern Kansas during the mid to late evening hours, but it weakened as it progressed into Phillips and Rooks counties around midnight.
- Hail in Indiana, May 22, 2014A line of thunderstorms moved southeast across parts of southwest Indiana. The storms occurred just ahead of a cold front as it moved south into southern Indiana and southern Illinois. Large hail fell with the strongest storm.
- Hail and Damaging Winds in Kansas, May 22, 2014During the early morning hours of May 22nd a line of thunderstorms moved through central KS causing very isolated large hail. As the line moved into far northeast KS it was able to produce wind damage to power poles and an outbuilding.
- Damaging Wind in West Virginia, May 22, 2014A warm front lifted northward across the Mid-Atlantic and showers and thunderstorms formed across the Central Foothills where breaks in the clouds led to increased instability. Thunderstorms spread east and north as the boundary moved northward.
- Damaging Wind in Nebraska, May 22, 2014A small cluster of thunderstorms moved across southeast Nebraska during the early morning hours of May 22nd. One storm produced wind gusts over 60 mph as it raced across the southeast corner of the state.
- Hail in Pennsylvania, May 22, 2014Pennsylvania was well into warm, moist and unstable air as a warm front was located across eastern Pennsylvania and a cold front was located over eastern Ohio. This led to the development of severe thunderstorms on Thursday, May 22nd.
- Lightning Strike in Connecticut, May 22, 2014A trough of low pressure lingering across the Tri state area triggered multiple rounds of showers and thunderstorms, resulting in damage from a lightning strike.
- Hail in New York, May 22, 2014Central New York was well into warm, moist and unstable air as a warm front was located across the Hudson Valley and a cold front was located over western New York. This led to the development of severe thunderstorms on Thursday, May 22nd.
- Hail in Pennsylvania, May 22, 2014A cold front triggered scattered severe thunderstorms over the middle and lower Susquehanna River Valley during the mid-afternoon.
- Flash Flood and Hail in New Mexico, May 22, 2014A slow-moving upper level low pressure system over the Great Basin pulled abundant moisture north and west into New Mexico.
- Flash Flood and Hail in New York, May 22, 2014A weak surface low drifted across the North Country and produced slow moving thunderstorms. The thunderstorms produced three-quarter inch hail near Turin and Port Leyden. The storms also dropped very heavy rains radar estimating between eight and nine inches in some locations.
- Tornadoes and Hail in New York, May 22, 2014A potent shortwave trough was moving from the eastern Great Lakes towards upstate New York during the afternoon on Thursday, May 22nd.
- Hail and Damaging Wind in Colorado, May 22, 2014A strong storm brought near severe hail to Lamar early in the afternoon. Later thunderstorm winds gusted over 70 mph west of Lamar.
- Hail and Damaging Winds in Pennsylvania, May 22, 2014A strong cold front with shearing winds above the surface triggered supercell type thunderstorms that occurred across Eastern Pennsylvania mainly during the afternoon of the 22nd.
- Tornado in Colorado, May 22, 2014A brief tornado occurred causing no damage.
- Tornadoes and Hail in Virginia, May 22, 2014Scattered severe thunderstorms in advance of a cold front produced damaging winds, large hail, and three tornadoes across portions of central and eastern Virginia.
- Flash Flood and Hail in Colorado, May 22, 2014A severe thunderstorm produced intense straight line winds in Larimer County. Over one thousand trees were blown down at the Bellair Campground near Red Feather Lakes. The tree damage stretched across a 36-acre area.
- Hail and Damaging Winds in Maryland, May 22, 2014A very strong cold front and strong winds above the ground helped produce supercell type thunderstorms with damaging winds across the Eastern Shore during the second half of the afternoon on the 22nd.
- Flash Flood and Hail in New Mexico, May 22, 2014An upper level low was over the California/Nevada border and was moving eastward. A surface trough was also across southeast New Mexico and far West Texas aiding in lift.
- Tornado and Hail in Delaware, May 22, 2014A very strong cold front and strong winds above the ground helped produce supercell type thunderstorms across Delaware during the second half of the afternoon on the 22nd. One confirmed tornado, large and destructive hail and pockets of wind damage occurred throughout the state.
- Hail in New Jersey, May 22, 2014A strong cold front with shearing winds above the surface triggered supercell type thunderstorms that occurred across extreme southern New Jersey during the late afternoon of the 22nd.
- Hail in Kentucky, May 22, 2014A strong thunderstorm tracked southeast across the Pennyrile region of western Kentucky. The storm occurred just ahead of a cold front as it crossed the Lower Ohio Valley.
- Lightning Strikes in New York, May 22, 2014Low pressure moving through central New York dragged an associated cold front slowly through the region, triggering scattered showers and thunderstorms. Lightning struck at multiple locations across Eastern Orange County that caused property damage.
- Hail in South Dakota, May 22, 2014Nickel size hail was reported southeast of Deadwood.
- Flash Flood and Debris Flow in California, May 22 to 23, 2014A trough of upper-level low pressure dropped south into southern California with two disturbances rotating around it and plentiful moisture able to set of scattered showers and thunderstorms over the mountains and deserts.
- Hail in Kentucky, May 22, 2014A weak frontal boundary draped near the Tennessee border served as a focus for isolated severe storms across mostly Tennessee. One strong storm brought large hail to Monroe County.
- Hail and Damaging Winds in Tennessee, May 22, 2014A line of severe thunderstorms producing severe wind and hail moved southeast out of Kentucky through the northeast half of Middle Tennessee during the late afternoon and evening hours.
- Damaging Winds in Maryland, May 22, 2014Scattered severe thunderstorms in advance of a cold front produced damaging winds across portions of the Lower Maryland Eastern Shore.
- Damaging Winds in Oklahoma, May 22, 2014Decaying thunderstorms brought a brief period of downburst winds to the Oklahoma Panhandle during the evening hours of the 22nd. Thunderstorms developed along the New Mexico Mountains then moved eastward into the western Oklahoma Panhandle.
- Hail and Damaging Winds in Tennessee, May 22 to 23, 2014Convection developed for the second day in a row just south of the Ohio River and shifted south into a moderate to highly unstable air mass in place across East Tennessee. The severe results included a nice mix of large hail and wind damage.
- Hail and Damaging Wind in Wyoming, May 22, 2014A slow-moving severe thunderstorm drifted north-northwest across central and northwestern Crook County. The storm produced large hail and strong wind gusts, especially in the Hulett area.
- Flash Flood in California, May 22, 2014Strong thunderstorms developed across the Antelope Valley. Some storms were strong enough to produce flash flooding across the community of Palmdale. In addition, one thunderstorm generated nickel-size hail in Palmdale which was just below severe levels.
- Hail and Damaging Winds in Kansas, May 22, 2014Far western Kansas had scattered convection producing a couple of severe weather reports.
- Damaging Wind in North Carolina, May 22, 2014Scattered thunderstorms developing within a very unstable air mass over the Great Valley of Tennessee weakened as they moved into the southern Appalachians. However, one thunderstorm produced wind damage as is collapsed in the Robbinsville area.
- Flash Flooding in Texas, May 22, 2014A cluster of heavy rain producing thunderstorms developed over the southern Texas Panhandle during the evening hours of the 22nd. These thunderstorms produced high rain rates and remained over the same area for an extended period of time.
- Flash Flood and Dust Storm in Nevada, May 22, 2014Thunderstorms over central Nevada developed and moved west during the afternoon and evening of the 22nd. In addition to localized heavy rain, thunderstorm outflows pushed into western Nevada in the evening bringing a significant dust storm to some areas between Reno and Fernley.
- Hail in Missouri, May 22, 2014Scattered storms developed over southern Missouri. Some of the storms produced hail.
- Flash Flood in Texas, May 23, 2014A mesoscale convective system developed over the mountains in northern Mexico and moved across the plains into Texas. This system produced heavy rain that led to flash flooding in Maverick County.
- Tornadoes and Flash Flooding in Texas, May 23 to 27, 2014A slow moving large upper level low pressure center approached West Central Texas through the period. Several rounds of showers and thunderstorms developed across the area and resulted in damaging winds, hail, and flash flooding.
- Damaging Winds in North Carolina, May 23, 2014A weakening line of showers and thunderstorms moved into the North Carolina mountains from East Tennessee during the morning. Localized damaging winds were observed along the leading edge, even after the line had begun to dissipate as it approached the Blue Ridge.
- Hail in North Carolina, May 23, 2014A southward moving cold front combined with a mesoscale convective vortex moving across central North Carolina to help to produce a supercell thunderstorm across Moore County during the late morning, which produced severe hail.
- Hail in South Carolina, May 23, 2014Scattered to numerous strong to severe, discrete thunderstorm cells developed across the Piedmont during the afternoon ahead of a slow-moving, nearly stationary backdoor cold front. The storms were prolific hail producers, with some producing larger than baseball size hail.
- Tornado in Wyoming, May 23, 2014A strengthening thunderstorm on the southwest side of Casper Mountain spawned a landspout tornado near Jackson Canyon. The tornado lasted about ten minutes and was visible from all across Casper.
- Flash Flood and Damaging Wind in Utah, May 23 to 24, 2014An isolated, windy thunderstorm in southeast Utah caused some damage on Lake Powell. In addition, a thunderstorm producing heavy rain caused a flash flood at Capitol Reef National Park.
- Flash Flood and Hail in Texas, May 23, 2014An upper level low was over southern Arizona with upper level disturbances moving over New Mexico and the Big Bend region. Residual outflow boundaries from thunderstorms the previous day were present across the area helping to provide additional lift.
- Flash Flooding and Hail in New Mexico, May 23 to 24, 2014The slow-moving upper level storm responsible for severe weather over New Mexico on the 22nd continued to impact the area on the 23rd. Showers and thunderstorms developed over the high plains and moved east as a squall line through the early morning hours on the 24th.
- Hail and Damaging Winds in South Carolina, May 23, 2014Thunderstorms initiated ahead of a slow moving cold front. Thunderstorms with large hail repeatedly tracked across mainly Horry County, South Carolina during the late afternoon and into the evening hours.
- Flash Flood and Hail in North Dakota, May 23, 2014Scattered thunderstorms developed across south central and southeastern North Dakota during the late afternoon and evening hours. Some storms became severe and produced large hail, damaging winds, and very heavy rain.
- Hail in North Carolina, May 23, 2014Isolated strong thunderstorms develop just north of a stalled front over parts of eastern North Carolina during the evening of May 23rd 2014. One of the storms produced hail up to the size of a nickel in Onslow County.
- Hail in North Carolina, May 23, 2014Thunderstorms initiated ahead of a slow moving cold front. Widespread thunderstorms with large hail developed and moved mainly south of Brunswick County, North Carolina.
- Hail and Damaging Winds in South Carolina, May 23, 2014Severe storms over areas of the northern Pee Dee region produced baseball size hail. Other areas of the Midlands produced wind damage and large hail.
- Hail in North Carolina, May 23, 2014A discrete severe thunderstorm that produced up to baseball size hail across the South Carolina Piedmont weakened as it crossed the state line into Union County, but not before producing up to golf ball size hail near Waxhaw.
- Flash Flooding and Flood in Massachusetts, May 23, 2014An upper level disturbance moved across Southern New England, triggering slow moving showers and thunderstorms. A few of these storms produced high rainfall rates, with more than 2 inches falling over a 1-2 hour period. This resulted in areas of flash flooding.
- Flash Flooding and Hail in New Jersey, May 23, 2014A trough of low pressure slowly worked its way through the region, which caused isolated severe thunderstorms that produced large hail and flash flooding in portions of Northeast New Jersey.
- Tornado and Hail in New Mexico, May 23, 2014An upper level low was over southern Arizona with upper level disturbances moving over New Mexico and the Big Bend region. Residual outflow boundaries from thunderstorms the previous day were present across the area helping to provide additional lift.
- Lightning Strike in New Jersey, May 23, 2014A lightning strike from a thunderstorm caused a condominium fire in Mount Laurel Township (Burlington County).
- Flash Flood and Hail in Colorado, May 23, 2014Numerous strong storms brought heavy rain and isolated flash flooding to western El Paso County during the evening.
- Hail and Damaging Winds in South Carolina, May 23, 2014Isolated to scattered strong to severe thunderstorms developed in the evening hours south of a stationary front. A shortwave upper level trough also moved through the region late in the day and helped promote the development of thunderstorms.
- Flash Flooding in Colorado, May 23, 2014Thunderstorms with heavy rain produced localized flash flooding in the vicinity of Loveland.
- Damaging Wind in Nebraska, May 23, 2014An isolated storm produced a wet downburst in Perkins County around 11 PM CDT.
- Hail and Damaging Winds in Texas, May 24, 2014A line of thunderstorms exited New Mexico during the pre-dawn hours and developed into a bow echo across Lamb County before dissipating in eastern Hale County.
- Flash Flood and Hail in New Mexico, May 24, 2014An upper level low was over Arizona/New Mexico slowly moving eastward with upper level disturbances associated with this low moving over southeast New Mexico and West Texas.
- Hail and Damaging Wind in Texas, May 24, 2014An upper level low was over Arizona/New Mexico slowly moving eastward with upper level disturbances associated with this low moving over southeast New Mexico and West Texas.
- Tornado in Wyoming, May 24, 2014A landspout tornado was observed from the North Big Horn County Airport north of Cowley. The tornado developed as a thunderstorm strengthened rapidly as it came off the higher terrain of the Pryor Mountains.
- Lightning Strike in Wyoming, May 24, 2014Thunderstorms developed over central Sweetwater County and tracked northeast along the face of White Mountain. Lightning struck and injured a 31-year-old man around 1345MST.
- Hail in Montana, May 24, 2014An upper-level disturbance combined with just enough surface moisture in an unstable atmosphere to set off a few strong to severe thunderstorms across portions of northeast Montana.
- Hail in Minnesota, May 24, 2014A line of thunderstorms moved into central Roseau County late in the afternoon of the 24th. One cell became severe and produced quarter sized hail and very heavy rain just south of Roseau.
- Flash Flood and Heavy Rain in Wyoming, May 24 to 25, 2014Over five inches of rain fell in less than five hours on the north side of Gillette. Runoff overwhelmed drainage systems and flooded several roads near the Gillette-Campbell County Airport.
- Damaging Winds in Oklahoma, May 24, 2014Despite rather weak surface flow, isolated thunderstorms developed during the late afternoon hours along a weak surface trough stretched from southwest to northeast across central Oklahoma.
- Hail in Wyoming, May 24, 2014An isolated thunderstorm produced severe hail just northwest of Ranchester.
More
Every billion-dollar disasterEvery storm of 2014Tornadoes in 2014
Sources
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.