Central and Eastern Tornadoes and Severe Weather

Losses, 2024 dollars

$2.0 billion

Losses at the time

$1.6 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.

• Hail in South Dakota, July 17, 20181.25 in hail · 1 eventA thunderstorm became severe over portions of Oglala Lakota County. The storm produced large hail at Sharps Corner.
• Flash Flood and Damaging Wind in South Dakota, July 17, 201861 kt wind · 2 eventsA line of thunderstorms brought wind gusts to 70 mph west of Spearfish. Heavy rain caused flash flooding in some areas.
• Damaging Winds in Oklahoma, July 17, 201853 kt wind · 2 eventsStorms formed near a front in the Oklahoma panhandle, then moved eastward through the evening of the 17th producing an isolated severe gust.
• Damaging Wind in South Dakota, July 17, 201861 kt wind · 1 eventA severe thunderstorm clipped far western Fall River County and produced wind gusts to 70 mph west of Edgemont.
• Flash Flooding and Damaging Wind in Arizona, July 17 to 18, 201856 kt wind · 3 eventsDeep monsoon moisture remained over northern Arizona and southern Utah. Stratiform clouds from thunderstorm activity yesterday delayed the onset of new storms today. Storms produced heavy rain over northern Arizona and southern Utah.
• Flash Flooding and Damaging Winds in Nevada, July 17 to 21, 2018$1.8 million · 65 kt wind · 14 eventsAfter a brief break, another push of monsoon moisture fueled another outbreak of thunderstorms across the Mojave Desert and southern Great Basin. Many storms produced severe weather and flash flooding.
• Flash Flood and Damaging Wind in Arizona, July 18, 2018$20,000 · 56 kt wind · 2 eventsScattered thunderstorms developed across portions of La Paz County during the very early morning hours on July 18th.
• Flash Flooding and Heavy Rain in Missouri, July 18 to 19, 2018$1,000 · 8 eventsScattered thunderstorms with rainfall rates in excess of an inch per hour lingered over a few locations in the Ozarks causing localized flash flooding.
• Damaging Wind in Nebraska, July 18, 201852 kt wind · 1 eventDuring the morning a group of thunderstorms were moving southeast across the western half of Red Willow County. A huge tree was blown down southwest of McCook as the storms moved through.
• Tornado and Hail in South Dakota, July 18, 2018EF0 · 8 eventsSevere thunderstorms brought quarter to golf ball hail to parts of central South Dakota along with an isolated tornado.
• Flash Flooding and Hail in South Dakota, July 18, 20181.75 in hail · 5 eventsWinds backing ahead of a strong upper level wave along with approach of a upper level jet streak increased late-day shear and supported development of an initially isolated severe thunderstorm across central South Dakota.
• Hail in North Dakota, July 18, 20181 in hail · 1 eventThunderstorms developed over parts of western and central North Dakota as a weak upper level low passed through the region. One thunderstorm became severe over Mountrail County producing one inch diameter hail.
• Flash Flood and Damaging Winds in Mississippi, July 18, 2018$50,000 · 52 kt wind · 7 eventsAbundant moisture was in place to help trigger showers and storms through the afternoon of July 18th. The remnant outflow boundary along with an approaching cold front helped these storms bring damaging winds to the region.
• Hail and Damaging Winds in South Dakota, July 18, 20182 in hail · 9 eventsA severe thunderstorm developed near Rapid City and tracked southeast into Oglala Lakota County before weakening. The storm produced large hail and wind gusts to 70 mph.
• Damaging Wind and Lightning Strike in South Carolina, July 18, 2018$4,000 · 2 eventsScattered afternoon thunderstorms developed along a cold front across southeast South Carolina. A few of these thunderstorms became strong enough to produce damaging wind gusts and lightning strikes.
• Hail in South Dakota, July 18, 20181 in hail · 1 eventA thunderstorm became severe over southeastern Todd County and produced quarter sized hail before it moved into Nebraska.
• Hail and Damaging Wind in Nebraska, July 18, 2018$50,000 · 1 in hail · 8 eventsSevere storms developed during the evening of July 18th and continued into the early morning on July 19.
• Tornado and Damaging Wind in South Dakota, July 18, 2018EF1 · 2 eventsA severe thunderstorm clipped northern Tripp County, producing strong wind gusts north of Hamill and a brief tornado that caused minor damage on a farm.
• Hail and Damaging Wind in Nebraska, July 18 to 19, 2018$14 million · 2.75 in hail · 7 eventsHail up to the size of baseballs and severe winds occurred on this Wednesday evening. During the late afternoon hours, a small number of storms formed over north central Nebraska.
• Flash Flood in Nebraska, July 18, 20181 eventA flash flood happened in Cedar County.
• Flash Flood in North Dakota, July 19, 2018$500,000 · 1 eventRain showers and low-topped thunderstorms produced torrential rain over south central Dickey County leading to flash flooding and sanitary sewer system backups in the city of Ellendale. The resulting flooding impacted 24 homes, two churches, and an apartment complex.
• Flash Flooding and Damaging Wind in South Dakota, July 19, 2018$10,000 · 79 kt wind · 5 eventsA strong mid-level wave pushed southeast toward southwest Minnesota overnight and the early morning hours on July 19. A large cluster of storms developed across eastern South Dakota after midnight, and with a high moisture content to the air mass, rainfall rates were quite high.
• Hail and Damaging Winds in Mississippi, July 19, 2018$31,000 · 1 in hail · 4 eventsA slow passing upper level disturbance generated a few severe thunderstorms that produced damaging winds and large hail across portions of north Mississippi during the early morning and evening hours of July 19th.
• Hail and Damaging Winds in Missouri, July 19, 2018$10,000 · 2.75 in hail · 25 eventsOn the afternoon of Thursday, July 19, significant severe weather occurred in the EAX CWA in two distinct but consecutive rounds.
• Hail and Damaging Winds in Kansas, July 19, 20181 in hail · 5 eventsA cluster of severe single cell and multicell storms affected portions of north central Kansas around midday on this Thursday. Isolated thunderstorms began forming around 930 AM CST.
• Tornadoes and Hail in Iowa, July 19, 201836 injured · $320 million · EF3 · 39 eventsA setup for some rotating storms was in place over much of central and southern Iowa. A low pressure system situated northwest of the state slid to the northeast throughout the day, eventually moving into western and central Minnesota.
• Tornado in Minnesota, July 19, 2018EF0 · 4 eventsA line of thunderstorms developed late Thursday morning across south central Minnesota. These storms developed along a very apparent west to east wind shift line. Several funnel clouds were reported along this line.
• Hail and Damaging Winds in Missouri, July 19, 201817 deaths · $101,000 · 1 in hail · 42 eventsSevere storms impacted the region during the afternoon and evening of July 19, 2018.
• Hail and Damaging Winds in Kansas, July 19, 201878 kt wind · 46 eventsAn intense complex of thunderstorms moved across the area during the morning and early afternoon hours of July 19th. Several reports of wind speeds greater than 70 MPH were received.
• Hail and Damaging Winds in Kansas, July 19 to 20, 20181.75 in hail · 5 eventsHail and wind events were noted with storms as they moved across central and southeast Kansas.
• Flash Flooding and Hail in Arizona, July 19, 20181 in hail · 8 eventsDeep monsoon moisture brought heavy rain and hail to parts of northern Arizona.
• Hail and Damaging Winds in Mississippi, July 19 to 20, 2018$182,000 · 1.25 in hail · 15 eventsWith lingering outflow boundaries present across the region, storms developed during the late afternoon into the evening hours on July 19th and 20th, with a few storms lingering late into the night.
• Hail and Damaging Winds in Kansas, July 19, 20183.5 in hail · 20 eventsAn outflow boundary from a decaying MCS provided the focus for additional thunderstorms during the evening. A favorable environment developed from a short wave trough to produce severe thunderstorms.
• Hail in North Dakota, July 19, 20181 in hail · 2 eventsOn the morning of July 19th, widespread cloud cover and steady showers were ongoing across southeast North Dakota and west central Minnesota. Meanwhile, further northwest, fairly abundant late morning and afternoon sunshine occurred over the Devils Lake region.
• Damaging Winds in Kansas, July 19, 2018$2,000 · 65 kt wind · 4 eventsOn July 19, a large complex of storms moved through NW and west central Missouri. The western edge of this storm complex produced some wind damage in far eastern Kansas.
• Tornadoes and Hail in Iowa, July 19, 2018EF1 · 14 eventsA vigorous cold front produced an area of thunderstorms with numerous reports of hail up to the size of quarters, damaging winds of 60 to 70 mph, and two brief tornadoes.
• Damaging Winds in Oklahoma, July 19, 201857 kt wind · 2 eventsShowers and thunderstorms developed across the Oklahoma Panhandle and northwest Texas Panhandle this afternoon in close proximity to a surface boundary coupled with steep lapse rates from triple digit temperatures and some low level moisture and|associated atmospheric…
• Hail in North Dakota, July 19, 20181.25 in hail · 5 eventsA weak and slow moving upper level low continued to move through the region resulting in thunderstorms developing in the afternoon and evening hours. With ample moisture in place a few thunderstorms produced large hail.
• Flash Flooding in Utah, July 19 to 22, 2018$150,000 · 4 eventsA moist air mass remained in place during the third week of July, resulting in flash flooding over southern Utah.
• Hail and Damaging Winds in Missouri, July 19, 20181.75 in hail · 11 eventsA vigorous cold front produced an area of thunderstorms with numerous reports of damaging winds around 60 mph, and several reports of large hail up to the size of golfballs.
• Damaging Wind in Texas, July 19, 201854 kt wind · 1 eventShowers and thunderstorms developed across the Oklahoma Panhandle and northwest Texas Panhandle this afternoon in close proximity to a surface boundary coupled with steep lapse rates from triple digit temperatures and some low level moisture and|associated atmospheric…
• Flash Flood and Damaging Wind in Arizona, July 19, 2018$10,000 · 50 kt wind · 2 eventsScattered thunderstorms moved southwest across mainly Graham and Cochise counties. Some storms produced strong wind gusts, heavy rain and flash flooding.
• Hail and Damaging Wind in Arkansas, July 19, 201865 kt wind · 2 eventsThunderstorms developed over north central Kansas during the morning of the 19th. These storms intensified as they moved southeast across southeastern Kansas and southwestern Missouri during the day, and then across northwest Arkansas during the evening.
• Hail and Damaging Winds in Illinois, July 19, 20181 in hail · 5 eventsA vigorous cold front produced an area of thunderstorms with isolated reports of large hail up to the size of quarters and damaging winds of 60 to 70 mph.
• Hail and Damaging Winds in Illinois, July 19, 20181.75 in hail · 5 eventsScattered strong to severe storms moved southeast across the region. There were numerous reports of damaging winds and large hail.
• Hail in Nebraska, July 19, 20181 in hail · 1 eventLow-end severe hail fell over part of Dawson county on this Thursday evening. Two isolated thunderstorms formed over Custer county and moved into Dawson county late this afternoon into the evening hours. The first one formed near Callaway around 5 PM CST.
• Hail and Damaging Winds in South Dakota, July 19, 20181 in hail · 7 eventsA cold front brought some severe thunderstorms to parts of Corson and Dewey counties. Quarter hail along wind gusts to over 80 mph occurred.
• Hail and Damaging Wind in Missouri, July 19, 20181.75 in hail · 3 eventsScattered strong to severe storms moved southeast across the region. There were numerous reports of damaging winds and large hail.
• Hail in Tennessee, July 19, 20181 in hail · 2 eventsA slow passing upper level disturbance generated a few severe thunderstorms that produced large hail across portions of west Tennessee during the evening hours of July 19th.
• Lightning Strike in Mississippi, July 19, 2018$250,000 · 1 eventScattered Thunderstorms generating frequent lightning affected portions of north Mississippi during the evening hours of July 19th.
• Damaging Winds and Strong Wind in Illinois, July 19, 2018$35,000 · 52 kt wind · 3 eventsScattered thunderstorms developed along an advancing warm front during the evening of July 19th. One of the cells downed a few trees in Christian County.
• Lightning Strike in Wisconsin, July 19, 20181 injured · 1 eventA woman was struck by lightning at the Country Thunder Music Festival.
• Tornado and Hail in Missouri, July 20 to 21, 2018$83,000 · EF0 · 18 eventsTwo separate Low Top Supercell thunderstorm complex's moved through the Ozarks. The first, during the early morning hours produced hail up to golf balls in size, damaging straight line winds and an EF-0 tornado as it moved through the Missouri Ozarks.
• Flash Flood in South Carolina, July 20, 2018$20,000 · 1 eventA large area of heavy rainfall producing thunderstorms developed in the predawn hours along a stationary front. Rainfall amounts ranged from 4 to 7 inches across much of North Charleston to an area including Daniel Island.
• Tornadoes and Hail in Indiana, July 20, 20181 injured · EF0 · 16 eventsDeep low pressure was located over Wisconsin with a warm front extending across northern Indiana. 1000 to 2000 J/KG MLCAPE advected in with area of clearing with effective helicity values in excess of 200 m2/s2.
• Tornadoes and Flash Flooding in Kentucky, July 20, 2018$1.1 million · EF1 · 110 eventsRounds of severe storms hammered southern Indiana and central Kentucky on Friday, July 20, 2018, bringing very large hail, wind damage, heavy rain, and 4 confirmed tornadoes.
• Damaging Wind in Michigan, July 20, 2018$50,000 · 56 kt wind · 1 eventMany trees were blown down near Eastwood by isolated severe thunderstorm wind gusts.
• Tornado and Flooding in Indiana, July 20, 2018$63,000 · EF1 · 14 eventsA frontal system moved through central Indiana during the afternoon of July 20th, producing thunderstorms. Some of the storms were severe with damaging winds, large hail, and one EF-1 tornado in Madison County.
• Damaging Winds in Ohio, July 20, 20181 injured · $25,000 · 50 kt wind · 5 eventsScattered thunderstorms developed through the afternoon as an upper level disturbance pushed southeast into the region. A few of the storms produced damaging winds.
• Tornadoes and Flood in Indiana, July 20, 20181 injured · $770,000 · EF1 · 27 eventsRounds of severe storms hammered southern Indiana and central Kentucky on Friday, July 20, 2018, bringing very large hail, wind damage, heavy rain, and 2 confirmed tornadoes in Indiana.
• Hail and Damaging Winds in Indiana, July 20, 2018$11,000 · 1.25 in hail · 7 eventsScattered thunderstorms developed through the afternoon as an upper level disturbance pushed southeast into the region. Some of the storms produced damaging winds and large hail.
• Tornado in Wisconsin, July 20, 2018EF0 · 1 eventA shower associated with an upper low pressure system and moist atmosphere produced a weak tornado about a mile east-southeast of Wautoma. Only minimal tree damage occurred.
• Tornado in Florida, July 20, 2018$5,000 · EF0 · 1 eventAn abundance of tropical moisture and steep lapse rates with ample instability across the region. Thunderstorms developed along the sea breeze and convection impacted much of the east coast of South Florida.
• Hail and Damaging Winds in Kentucky, July 20 to 21, 201857 kt wind · 23 eventsMultiple rounds of severe storms produced wind damage across portions of eastern Kentucky during the afternoon and evening hours of July 20, 2018, extending into the early morning hours of July 21.
• Hail and Damaging Wind in Arizona, July 20, 2018$17,000 · 1.5 in hail · 5 eventsScattered northwestward moving thunderstorms affected parts of Cochise, Graham and Pima counties. Large hail was reported in Corona De Tucson and Sierra Vista. Hail was accompanied by damaging winds near Dragoon.
• Flash Flood and Debris Flows in Nevada, July 20 to 22, 201810 eventsDaytime heating and ample moisture along the periphery of a ridge caused scattered convection over western Nevada and the eastern Sierra July 19th through the 25th. Several storms produced heavy rainfall which led to flash flooding and debris flows.
• Lightning Strike in Georgia, July 20, 2018$150,000 · 1 eventA surface front was stalled near the Altamaha River basin with a series of broad surface lows and upper level short wave trough moving over the area, which triggered scattered storms over an unstable airmass.
• Damaging Wind in Kentucky, July 20, 2018$2,000 · 1 eventShowers and thunderstorms formed across the middle Ohio River Valley on the 20th as a warm front lifted through. The showers and storms eventually organized into a line which moved through northeastern Kentucky during the late afternoon and evening.
• Hail and Damaging Wind in Missouri, July 20, 2018$5,000 · 1 in hail · 4 eventsIsolated severe thunderstorms moved east-southeast across southeast Missouri during the evening. These storms produced large hail and an isolated damaging wind event. The storms occurred in a very unstable environment ahead of a cold front.
• Flash Flooding in California, July 20 to 21, 2018$6,000 · 2 eventsAfter a brief break, another push of monsoon moisture fueled another outbreak of thunderstorms across the Mojave Desert and southern Great Basin. Many storms produced severe weather and flash flooding.
• Damaging Winds and Lightning Strike in West Virginia, July 20, 2018$13,000 · 6 eventsShowers and thunderstorms formed across the middle Ohio River Valley on the 20th as a warm front lifted through. The showers and storms eventually organized into a line which moved through central and southern West Virginia during the early evening.
• Hail in Kansas, July 20, 20180.75 in hail · 1 eventA surface low across southeast Colorado with a weak frontal boundary extending into southwest Kansas was the focus for lat afternoon thunderstorms.
• Hail in Kentucky, July 20, 20181 in hail · 1 eventAn isolated severe thunderstorm moved east-southeast across the southwest corner of Kentucky during the evening. This storm produced large hail. The storm occurred in a very unstable environment ahead of a cold front.
• Hail and Damaging Winds in Kansas, July 20, 20182 in hail · 9 eventsThe atmosphere became very unstable after temperatures rose to around 100 during the afternoon with mid to upper 60 dep points. A weak frontal boundary or remnants of an old outflow boundary provided focus for enough convergence to initiate thunderstorms.
• Flash Flood in Arizona, July 20, 20181 eventDeep monsoon moisture remained over northern Arizona. Heavy rain from thunderstorms caused local flash flooding.
• Hail and Damaging Winds in Tennessee, July 20 to 21, 2018$116,000 · 1.75 in hail · 54 eventsThe largest severe weather event of the 2018 summer affected the eastern parts of Middle Tennessee from the evening hours on July 20 into the morning hours on July 21.
• Flash Flood and Heavy Rain in California, July 20, 20182 eventsA southerly flow aloft brought some high level moisture into Central California on July 20.
• Damaging Winds in Virginia, July 20, 201855 kt wind · 2 eventsA very moist and unstable environment existed across the Southern Appalachian region during the mid to late evening hours. Widespread wind damage occurred as a bowing convective segment moved south across the region.
• Hail and Damaging Winds in Indiana, July 20, 2018$142,000 · 83 kt wind · 4 eventsIsolated thunderstorms organized into a large cluster over southwest Indiana during the evening. These storms produced a couple of very damaging downbursts. The storms occurred in a very unstable environment ahead of a cold front.
• Damaging Wind in North Carolina, July 20, 201850 kt wind · 1 eventA line of strong to severe thunderstorms moved into the North Carolina mountains from East Tennessee during the late evening. Localized damaging winds were reported across Madison County.
• Hail in Kansas, July 20, 20181.25 in hail · 2 eventsSevere storms impacted the region during the afternoon and evening of July 19, 2018.
• Hail and Damaging Winds in Arkansas, July 20 to 21, 2018$182,000 · 2.75 in hail · 24 eventsThunderstorms developed during the late evening of the 20th across southeastern Kansas, which was north of a stationary frontal boundary.
• Hail in Oklahoma, July 20 to 21, 20181 in hail · 2 eventsThunderstorms developed during the late evening of the 20th across southeastern Kansas, which was north of a stationary frontal boundary. These storms moved southeast across northeastern Oklahoma and produced large hail up to quarter size.
• Damaging Winds in Mississippi, July 20 to 21, 2018$655,000 · 74 kt wind · 23 eventsWith a moist and unstable airmass in place, showers and storms associated with a mesoscale complex moved into the region after midnight on the 21st. These storms pushed south and east through Mississippi and brought damaging winds to the region.
• Flash Flood in Michigan, July 21, 2018$1.0 million · 1 eventShowers and isolated thunderstorms tracking across Houghton County dumped three to four inches of heavy rain causing a second episode of flooding in less than a month.
• Flash Flooding and Hail in Georgia, July 21, 20183 injured · $914,000 · 1 in hail · 27 eventsA series of short waves moving through an unseasonably strong northwesterly upper-level flow pattern brought several rounds of strong to severe thunderstorms across north and central Georgia.
• Damaging Winds in Arizona, July 21, 201853 kt wind · 2 eventsIsolated thunderstorms developed across the central deserts, to the southwest of Gila Bend, during the morning hours on July 21st. Despite the early time of day, a few of the stronger storms were able to generate gusty outflow winds up to around 60 mph.
• Hail and Damaging Winds in Georgia, July 21 to 22, 2018$337,000 · 1.75 in hail · 63 eventsScattered to numerous showers and thunderstorms occurred across the area. This was an unusual, well organized severe weather event given the time of year.
• Damaging Winds in Georgia, July 21, 2018$500 · 50 kt wind · 4 eventsAn outflow boundary from a squall line of storms triggered severe storm development across SE Georgia during by midday across SE GA over an unstable and unseasonably high wind shear environment. SPC had a marginal risk of severe storms.
• Hail and Damaging Winds in Alabama, July 21 to 22, 2018$19,000 · 1 in hail · 22 eventsScattered to numerous showers and thunderstorms occurred across the area. This was an unusual, well organized severe weather event given the time of year.
• Flash Flood and Hail in Florida, July 21 to 22, 2018$166,000 · 1 in hail · 63 eventsScattered to numerous showers and thunderstorms occurred across the area. This was an unusual, well organized severe weather event given the time of year.
• Hail and Damaging Winds in Montana, July 21, 20182 in hail · 26 eventsA low pressure trough and advancing cold front from the west interacted with a hot and humid air mass to generate mid-day strong to severe thunderstorms which strengthened into a large and damaging supercell through the afternoon hours and moved toward the east and southeast.
• Damaging Wind in Florida, July 21, 2018$2,000 · 1 eventAn outflow boundary from a squall line of storms triggered severe storm development across SE Georgia during by midday across SE GA over an unstable and unseasonably high wind shear environment. SPC had a marginal risk of severe storms.
• Flash Flooding and Flooding in Virginia, July 21 to 22, 201844 eventsA coastal low pressure moved up the Atlantic seaboard. Copious moisture spread northward across the southern and western suburbs of Washington DC in the state of Virginia. Rainfall totals of 3 to 6 inches were widespread, causing fairly widespread flooding.
• Hail in Wyoming, July 21, 20181 in hail · 1 eventA thunderstorm briefly became severe over northeastern Campbell County, producing large hail north of Weston.
• Hail and Damaging Wind in North Dakota, July 21, 20181.75 in hail · 11 eventsA cold front pushing through the region interacted with a narrow instability axis situated over eastern Montana and the western Dakotas, resulting in thunderstorm development. Some storms became severe over western North Dakota producing large hail and strong winds.
• Damaging Wind in Colorado, July 21, 201851 kt wind · 1 eventWind gusts near 60 mph were measured with a severe thunderstorm near Trinidad during the afternoon of the 21st.
• Tornado and Hail in Alabama, July 21 to 22, 2018EF0 · 16 eventsA unseasonably cold core upper low was centered over the Ohio Valley States. Northwest flow aloft pushed several fast moving short wave troughs through East Alabama on July 21st and July 22nd.
• Flash Flooding and Flooding in Maryland, July 21 to 23, 201830 eventsA coastal low pressure moved up the Atlantic seaboard. Copious moisture spread northward across much of North Central and Northeast Maryland. Rainfall totals of 3 to 6 inches were widespread, with isolated higher amounts, causing fairly widespread flooding.
• Hail and Damaging Winds in Tennessee, July 21, 20181 in hail · 4 eventsA few storms became severe during the afternoon in a moderately unstable environment, mainly across Southeast Tennessee in the vicinity of an old outflow boundary.
• Hail and Damaging Wind in Montana, July 21, 20181.25 in hail · 4 eventsA couple thunderstorms produced some large hail and very strong wind gusts.
• Hail and Damaging Winds in North Carolina, July 21, 20182 in hail · 9 eventsScattered thunderstorms developed during the afternoon across the North Carolina mountains and foothills and moved east. A few of the storms produced brief severe weather in the form of large hail and damaging winds.
• Hail and Damaging Winds in Georgia, July 21, 2018$11 million · 2.5 in hail · 24 eventsA series of short waves moving through an unseasonably strong northwesterly upper-level flow pattern brought several rounds of strong to severe thunderstorms across north and central Georgia.
• Flash Flood and Damaging Wind in Wyoming, July 21, 201850 kt wind · 2 eventsThunderstorms produced very heavy rainfall and strong winds over and south of Cheyenne.
• Hail and Damaging Winds in South Carolina, July 21, 2018$50,000 · 1.75 in hail · 10 eventsScattered thunderstorms developed during the evening across the Blue Ridge and moved southeast across Upstate South Carolina A few of the storms produced brief severe weather in the form of large hail and damaging winds.
• Hail in Wyoming, July 21, 20181.25 in hail · 3 eventsA severe thunderstorm developed southeast of Gillette and produced hail quarter size and larger.
• Flash Flood in California, July 21, 20181 eventA surge of upper level moisture combined with enough lift and instability during the afternoon of July 21 for widespread thunderstorm development to take place over the higher elevations of the southern Sierra Nevada.
• Flash Flooding and Flooding in South Dakota, July 21 to 22, 20181.5 in hail · 14 eventsA severe thunderstorm developed over the central Black Hills and tracked eastward through the Rapid City area before weakening over the plains. The storm initially contained large hail over the Black Hills, then also produced strong winds as it moved through the Rapid City area.
• Hail and Damaging Wind in North Carolina, July 21, 2018$13,000 · 1.75 in hail · 3 eventsDuring the afternoon and evening of the 21st, the influence of an area of high pressure weakened, while the influence of an approaching frontal boundary strengthened. The result was the development of isolated to scattered showers and thunderstorms.
• Hail and Damaging Winds in Colorado, July 21, 20181.5 in hail · 4 eventsIsolated severe thunderstorms produced hail up to ping pong ball size and intense wind gusts to near 65 mph over Lincoln and northeast Weld counties.
• Damaging Wind in Nevada, July 21, 2018$3.0 million · 1 eventA thunderstorm produced gusty outflow winds of unknown speed, which destroyed scaffolding in downtown Elko.
• Damaging Wind in Montana, July 21, 201853 kt wind · 1 eventScattered showers and thunderstorms developed via daytime heating of higher terrain and along a Pacific cold front as it advanced eastward during the afternoon and evening hours of the 21st. An isolated severe thunderstorm managed to occur near Cameron in Madison County.
• Damaging Wind in Virginia, July 21, 2018$3,000 · 50 kt wind · 1 eventDuring the afternoon and evening of the 21st, the influence of an area of high pressure weakened, while the influence of an approaching frontal boundary strengthened. The result was the development of isolated to scattered showers and thunderstorms.
• Flash Flooding and Hail in North Carolina, July 21 to 22, 2018$9,000 · 1 in hail · 12 eventsMultiple disturbances rotating around an upper-level low across the Ohio Valley produced multiple clusters of showers and storms across central NC during the late evening and overnight hours.
• Damaging Wind in Georgia, July 21, 201850 kt wind · 1 eventAn isolated thunderstorm moved into Elbert County from the west during the evening. The storm was responsible for brief damaging winds.
• Damaging Winds in Wyoming, July 21, 201857 kt wind · 2 eventsA severe thunderstorm tracked through the Newcastle area, producing wind gusts around 65 mph.
• Hail and Damaging Winds in South Carolina, July 21 to 22, 2018$400 · 1 in hail · 6 eventsA strong upper level disturbance, rotating around a closed upper low centered over the Midwest, provided upper dynamics and deep layer shear, along with considerable instability, to produce a cluster of severe thunderstorms that shifted SE across portions of the Western Midlands…
• Damaging Wind in Colorado, July 21, 201856 kt wind · 1 eventDuring the evening a thunderstorm moved through Firstview. A wind gust of 64 MPH was reported on the backside of the thunderstorm.
• Hail in Kansas, July 21, 20181.75 in hail · 1 eventAn isolated severe thunderstorm hit Mt. Hope, located in the northwest corner of Sedgwick County, with golf ball-sized hail. The thunderstorm struck shortly after mid-night on the 21st.
• Flash Flooding in South Dakota, July 22, 20182 eventsSlow moving thunderstorms brought very heavy rainfall and flash flooding to parts of Corson and Potter counties during the early morning hours.
• Hail in Alabama, July 22, 20184 in hail · 11 eventsA rare, summertime supercell thunderstorm event occurred across southwest and south central Alabama on July 22nd. The storms produced very large hail, which is very atypical in the summer months over this region.
• Damaging Wind in Florida, July 22, 20181 death · 1 injured · 1 eventOne person was killed, and another injured in Ormond Beach when winds from a non-severe thunderstorm knocked over a large, mostly dead tree onto them.
• Damaging Winds in Maryland, July 22, 201850 kt wind · 3 eventsA cutoff low from the jet stream developed just to our west on the 22nd. A couple thunderstorms became severe due to an unstable atmosphere and stronger winds that were able to mix down from aloft.
• Damaging Winds in North Carolina, July 22, 2018$4,000 · 50 kt wind · 2 eventsScattered severe thunderstorms in advance of a frontal boundary produced damaging winds across portions of northeast North Carolina.
• Damaging Winds in Virginia, July 22, 2018$29,000 · 50 kt wind · 13 eventsScattered severe thunderstorms in advance of a frontal boundary produced damaging winds across portions of central and eastern Virginia.
• Flash Flooding and Hail in North Carolina, July 22 to 23, 20181 injured · $103,000 · 1 in hail · 34 eventsA stationary surface low over western North Carolina, and a pair of outflow modulated fronts over North Carolina and Virginia, were overspread by perturbed south southwesterly flow around an anomalous mid to upper low over the Ohio Valley.
• Flash Flood in Wyoming, July 22, 20181 eventRains from thunderstorms and a clogged culvert allowed water to flow across Highway 189 around 6 miles north of Labarge. After the clog was removed, the water receded and the highway reopened.
• Damaging Winds in North Carolina, July 22, 201850 kt wind · 3 eventsA few thunderstorms developed during the afternoon hours due to strong instability. One particular storm became severe and produced some wind damage.
• Hail and Damaging Winds in Georgia, July 22, 2018$39,000 · 1 in hail · 8 eventsAnother weak short wave moving through a persistent northwest upper-level flow pattern, combined with moderate afternoon heating to produce isolated to scattered strong to severe thunderstorms to central and parts of north Georgia.
• Damaging Winds in Colorado, July 22, 201856 kt wind · 3 eventsA severe thunderstorm generated wind gusts up to 65 mph near Pueblo and Cedarwood during the afternoon of the 22nd.
• Hail and Damaging Winds in North Carolina, July 22, 2018$11,000 · 1.25 in hail · 6 eventsScattered to numerous thunderstorms developed along a cold front across the North Carolina Piedmont during the afternoon and evening.A few of the storms produced brief large hail and damaging winds.
• Hail and Damaging Winds in Georgia, July 22, 20181.75 in hail · 4 eventsA cluster of thunderstorms developed across southeast Georgia ahead of a stationary front positioned to the west. A few of these thunderstorms became strong enough to produce large hail and damaging winds.
• Flash Flooding in California, July 22 to 23, 2018$31,000 · 2 eventsThunderstorms on the eastern slopes of the southern Sierra led to large mud slides two days in a row.
• Tornado in Pennsylvania, July 22, 2018EF0 · 1 eventA weak EF-0 tornado occurred on this day near Heidelberg Township in northern Lehigh County, Pennsylvania.
• Hail and Damaging Winds in South Dakota, July 22, 20181 in hail · 4 eventsA long-lived supercell thunderstorm developed over eastern Haakon County and tracked southeast across south central South Dakota. The storm produced large hail and strong wind gusts across parts of the area.
• Damaging Wind in North Dakota, July 22, 2018$20,000 · 62 kt wind · 2 eventsDuring the late afternoon and early evening of July 22nd, a line of thunderstorms formed along and ahead of a cold front. This line of storms tracked from just north of Devils Lake, along highway 2, and then down through Thompson, North Dakota.
• Flash Flooding in Pennsylvania, July 22 to 23, 20187 eventsShowers with heavy downpours occurred in southeastern Pennsylvania during the afternoon and evening hours of July 22, 2018. Rainfall totals of 2 to 4 inches were reported.
• Hail and Damaging Winds in Nebraska, July 22 to 24, 20182.75 in hail · 13 eventsA stationary front and weak northwest flow aloft provided the dynamics for a couple days worth of scattered severe thunderstorms.
• Damaging Winds in South Dakota, July 22, 20182 injured · 61 kt wind · 4 eventsA couple severe thunderstorms moving along Interstate-90 blew two semis off the road in two separate locations.
• Damaging Winds in Virginia, July 22, 201850 kt wind · 2 eventsA cutoff low from the jet stream developed just to our west on the 22nd. A couple thunderstorms became severe due to an unstable atmosphere and stronger winds that were able to mix down from aloft.
• Flash Flood in Maryland, July 22 to 23, 20181 eventShowers with heavy downpours occurred in northeastern Maryland during the afternoon and evening hours of July 22, 2018. Rainfall totals of 2 to 4 inches were reported.
• Damaging Winds in North Carolina, July 22, 2018$4,000 · 50 kt wind · 3 eventsShowers and storms developed during the afternoon and evening of the 22nd in association with the approach of an area of low pressure. A few of these storms increased to severe levels and produced damaging winds.
• Lightning Strike in Florida, July 22, 2018$5,000 · 1 eventScattered thunderstorms developed across west central and southwest Florida during the afternoon. A lightning strike from one of these storms caused a shed to catch fire in Pasco County.
• Flash Flooding and Hail in Colorado, July 22 to 23, 20181.75 in hail · 5 eventsDuring the evening hail up to golf ball size was reported from a southeast moving thunderstorm north of Burlington. Later in the evening hail up to ping-pong ball size was reported with another thunderstorm near Wray.
• Hail and Damaging Wind in Georgia, July 22, 201850 kt wind · 2 eventsA low level boundary was draped across north-central FL roughly from Suwanee to Marion counties with high moisture content and an unstable airmass pumping over the boundary from the Gulf of Mexico under WSW flow.
• Flash Flooding and Flooding in Pennsylvania, July 22 to 27, 20182 deaths · 21 eventsI persistent upper level flow of moist southerly air brought waves of flooding and flash flooding to the region. Significant flooding was reported across eastern portions of the area.
• Damaging Winds in South Dakota, July 22, 201852 kt wind · 2 eventsA severe thunderstorm moved through eastern Mellette County, producing strong wind gusts north of Wood.
• Hail in Kansas, July 22, 20181.5 in hail · 2 eventsDuring the evening ping-pong ball sized hail was reported from thunderstorm northwest of St. Francis.
• Damaging Winds in Oklahoma, July 22, 201861 kt wind · 3 eventsA upper level disturbance rode over a large upper level high pressure system centered over central Texas. As a result, storms developed along a good moist axis across the OK Panhandle. A complex of thunderstorms moved east across the KS/OK border the evening of the 22nd.
• Hail and Damaging Winds in Kansas, July 22 to 23, 201852 kt wind · 3 eventsIsolated severe thunderstorms occurred in a moist and unstable airmass but the wind shear aloft was very weak so only near severe or brief severe weather occurred.
• Damaging Winds in North Carolina, July 22 to 23, 2018$2,000 · 52 kt wind · 2 eventsA stationary front produced strong nocturnal storms.
• Hail in California, July 22, 20181 in hail · 1 eventMonsoonal moisture combined with surface heating and a weak upper level trigger allowed thunderstorms to develop on this day. One of them generated severe hail.
• Damaging Winds in North Carolina, July 23, 2018$4,000 · 50 kt wind · 2 eventsScattered severe thunderstorms in advance of a frontal boundary produced damaging winds across portions of northeast North Carolina.
• Damaging Wind in Maryland, July 23, 201850 kt wind · 1 eventA cutoff low from the jet stream remained just to our west on the 23rd. An isolated thunderstorm became severe due to an unstable atmosphere and stronger winds that were able to mix down from aloft.
• Damaging Winds in Florida, July 23, 2018$210,000 · 60 kt wind · 7 eventsA strong outflow boundary moved south from the Florida Panhandle through the eastern Gulf of Mexico and onshore during the overnight and early morning hours of the 23rd. Numerous thunderstorms developed along the outflow, producing damaging wind gusts across west central Florida.
• Damaging Wind in South Carolina, July 23, 2018$1,000 · 52 kt wind · 1 eventA stationary front produced strong nocturnal storms.
• Hail and Damaging Winds in South Carolina, July 23, 2018$800 · 1 in hail · 13 eventsA moist atmosphere, daytime heating, and convergence along a stationary front produced scattered slow moving thunderstorms, some of which were severe.
• Damaging Wind in Virginia, July 23, 201850 kt wind · 1 eventA cutoff low from the jet stream remained just to our west on the 23rd. An isolated thunderstorm became severe due to an unstable atmosphere and stronger winds that were able to mix down from aloft.
• Tornado in South Carolina, July 23, 2018$500 · EF0 · 1 eventStrong storms produced a tornado and a waterspout.
• Tornado in Pennsylvania, July 23, 2018$10,000 · EF1 · 1 eventAn EF-1 tornado was confirmed by a NWS Storm Survey to have occurred near Nauvoo in Tioga County on July 23, 2018.
• Damaging Winds in Pennsylvania, July 23, 2018$5,000 · 78 kt wind · 2 eventsScattered showers an thunderstorms formed in a moist and moderately unstable atmosphere over central Pennsylvania on July 23, 2018.
• Tornado in Florida, July 23, 2018EF0 · 1 eventWeak low pressure over GA combined with a low level trough in addition to sea breeze forcing triggered showers and isolated thunderstorms. Shear was about 15-25 kts, less than previous days, supported only isolated strong to pulse severe storm development.
• Flash Flooding and Flooding in Maryland, July 23 to 26, 2018$30,000 · 60 eventsFollowing the passage of a coastal low, bands of moisture continued to pull northward across the same areas that had already experienced heavy rain.
• Damaging Wind in North Carolina, July 23, 201850 kt wind · 1 eventScattered thunderstorms developed along a stationary front across the North Carolina Piedmont during the afternoon. One storm produced brief severe weather in the Charlotte area.
• Hail in Colorado, July 23, 20181.75 in hail · 7 eventsSevere thunderstorms during the afternoon of the 23rd generated hail the size of quarters near Woodland Park, Fountain, Widefield and Pueblo. In addition, hail up to the size of golf balls were measured near Boone.
• Tornado and Hail in Colorado, July 23, 2018$5,000 · EF0 · 5 eventsA tornado touched down briefly in open country near Hartsel. Severe thunderstorms in Aurora produced estimated wind gusts up to 70 mph that downed a tree that damaged a house. Hail the size of nickels was reported in Douglas County.
• Damaging Wind in Ohio, July 23, 2018$2,000 · 50 kt wind · 1 eventA stacked low pressure system brought showers and thunderstorms on the 23rd. Just enough instability developed in the middle Ohio River Valley for one storm to become severe.
• Damaging Wind in Ohio, July 23, 201860 kt wind · 1 eventAn upper level trough dipped deep down into the Ohio Valley and resulted in showers and thunderstorms moving in from the southeast.
• Flash Flood in Wyoming, July 23, 20181 eventOver an inch of rain in 60 minutes caused flash flooding and debris flows from the Badger Creek burn scar in southern Albany County.
• Flash Flooding and Flood in New York, July 23 to 25, 2018$7,000 · 11 eventsA moist environment was over the area with a deep and slow-moving closed low to the west. A cluster of thunderstorms developed over PA and tracked northeastward and over Allegany County. This resulted in 1 to 1.5 inches of rainfall and isolated flooding.
• Damaging Wind in Wyoming, July 23, 201852 kt wind · 1 eventA thunderstorm briefly became severe over northern Campbell County, producing strong wind gusts west of Weston.
• Flash Flood and Flooding in Colorado, July 23, 20189 eventsAnomalously strong northwesterly flow, monsoonal moisture, and low level southeasterly flow initiated afternoon thunderstorms over the mountains. A supercell developed over Park County in the early afternoon, developing southeasterly over Teller and El Paso County.
• Damaging Winds in Colorado, July 23, 201868 kt wind · 2 eventsSevere thunderstorm wind gusts near 60 mph were observed near Fort Carson, while a 78 mph thunderstorm wind gust was measured at the Pueblo airport near Pueblo during the afternoon of the 23rd.
• Damaging Wind in West Virginia, July 23, 2018$2,000 · 50 kt wind · 1 eventA stacked low pressure system brought showers and thunderstorms on the 23rd. Just enough afternoon sunshine developed in the middle Ohio River Valley for one storm to become severe.
• Damaging Winds in Virginia, July 23, 2018$1,000 · 50 kt wind · 2 eventsShowers and thunderstorms developed within an unstable air mass associated with an area of low pressure that was positioned overhead. One of these storms increased to severe levels and produced winds that downed two trees in Franklin County.
• Damaging Wind in Wyoming, July 23, 201852 kt wind · 1 eventA thunderstorm briefly became severe over southern Campbell County, producing strong wind gusts north of Savageton.
• Flash Flooding and Damaging Winds in New Mexico, July 23, 2018$1.0 million · 52 kt wind · 5 eventsAn unseasonably strong upper level high pressure center that plagued New Mexico with record heat and a significant decrease in the coverage of showers and thunderstorms drifted west toward eastern Arizona on the 23rd.
• Damaging Wind in Louisiana, July 23, 201850 kt wind · 1 eventA thunderstorm produced wind damage near Avery Island.

Every billion-dollar disasterEvery storm of 2018Tornadoes in 2018

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.