South/Southeast Severe Weather
One of the severe storm disasters on NOAA’s billion-dollar list: $1.7 billion in losses at 2024 prices ($1.3 billion at the time).
What the offices filed during it
The 104 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
- $1.7 billion
- Losses at the time
- $1.3 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 |
|---|---|---|---|---|
| Georgia | 86 | 0 | 2 | $5.0 million |
| Alabama | 60 | 0 | 0 | $2.4 million |
| Texas | 216 | 0 | 0 | $1.2 million |
| Connecticut | 1 | 0 | 0 | $1.0 million |
| South Carolina | 88 | 0 | 2 | $469,000 |
| Nebraska | 7 | 0 | 0 | $350,000 |
| Tennessee | 40 | 0 | 0 | $217,000 |
| Florida | 85 | 0 | 0 | $211,000 |
| Mississippi | 31 | 0 | 0 | $163,000 |
| Arkansas | 71 | 0 | 0 | $107,000 |
| Louisiana | 39 | 0 | 0 | $96,000 |
| Virginia | 27 | 1 | 0 | $67,000 |
| Iowa | 4 | 0 | 0 | $52,000 |
| Oklahoma | 47 | 0 | 0 | $25,000 |
| North Carolina | 27 | 0 | 0 | $15,000 |
| New York | 1 | 0 | 0 | $10,000 |
| Pennsylvania | 20 | 0 | 0 | $5,000 |
| California | 2 | 0 | 0 | $5,000 |
| Ohio | 1 | 0 | 0 | $5,000 |
| Alaska | 1 | 0 | 0 | $2,000 |
| Kansas | 26 | 0 | 0 | |
| Missouri | 6 | 0 | 0 | |
| Maryland | 6 | 0 | 0 | |
| Colorado | 5 | 0 | 0 | |
| West Virginia | 4 | 0 | 0 | |
| Kentucky | 2 | 0 | 0 | |
| New Jersey | 1 | 0 | 0 | |
| Delaware | 1 | 0 | 0 |
Episode by episode
- Hail in Colorado, April 16, 2015A strong storm produced hail up to the size of pennies northwest of Springfield.
- Hail in Kansas, April 16, 2015A strong storm developed over southeast Greeley county producing penny size hail.
- Lightning Strike in Alaska, April 16, 2015Early season convection resulted in a lighting strike that impacted tens of thousands of Alaskans, from the Southcentral region to the Interior.
- Flash Flooding in Texas, April 16, 2015A slow moving line of thunderstorms moved in deep Southeast Texas during the evening of the 16th. Flooding occurred in portions of Jefferson and Hardin Counties after an estimated 6 to 9 inches of rain fell.
- Flash Flood in Alabama, April 16 to 17, 2015Numerous slow moving thunderstorms moved across southern Choctaw County during the late evening of April 16th into the early morning hours of April 17th.
- Hail and Damaging Wind in Oklahoma, April 17, 2015Storms that began during the day on the 16th persisted into the overnight and wee morning hours of the 17th. Spotty hail and damaging winds persisted during this time, gradually weakening with lost daytime heating and low level jet enhancement.
- Hail in Texas, April 17, 2015Storms that developed during the daylight hours over the Texas Panhandle region, slowly moved east and southeast into portions of western north Texas. Spotty large hail and damaging winds occurred before storms weakened.
- Flash Flooding and Hail in Texas, April 17, 2015Severe thunderstorms developed over the western Edwards Plateau in the morning hours and over the course of the afternoon and into the evening, spread eastward through South Central Texas.
- Hail and Damaging Winds in Texas, April 17, 2015The deep upper low remained over the Four Corners region on April 17th while another strong jet streak in the subtropical jet stream across northern Mexico moved into South Texas. The air mass became strongly unstable by the afternoon.
- Flash Flooding and Hail in Texas, April 17, 2015An approaching broad upper low east of the Four Corners region placed eastern Texas in a favorable upper air pattern conducive to sustaining either a mesoscale storm complex or an organized linear storm system.
- Tornadoes and Hail in Colorado, April 17, 2015Several thunderstorms moved across northwest Yuma County and parts of Kit Carson County, producing two weak tornadoes and a nickel size hail report.
- Damaging Winds in Texas, April 17, 2015There were strong winds in Tarrant and Parker counties that occurred from a complex of thunderstorms that moved into the area from the west.
- Tornado and Hail in Kansas, April 17, 2015Storms formed mainly along and south of Interstate 70 by late afternoon. Several 1-inch hail reports were received and one tornado was reported 11 miles south-southeast of Edson, producing no damage.
- Flash Flood and Hail in Arkansas, April 17, 2015Scattered thunderstorms developed near an outflow boundary that stretched across far northwestern Arkansas during the evening of the 17th. One of the storms briefly became severe, producing hail up to half dollar size.
- Flash Flooding and Hail in Texas, April 18, 2015Moisture remained over South Texas in advance of a weak boundary moved into the northern Brush Country. Another upper level jet streak moved across the region as the slow moving upper low moved into the central high plains. Scattered thunderstorms formed in the afternoon.
- Hail and Damaging Wind in Iowa, April 18, 2015A large upper level low pressure area was located over eastern Colorado during the afternoon of the 18th. Moisture streamed north ahead of it with marginal instability over the state. CAPE rose to around 1000 J/kg by mid afternoon.
- Hail in Kansas, April 18, 2015This was day 4 in a row with severe weather. A dryline was one focusing mechanism for severe weather. Otherwise, supercell thunderstorms developed in a the atmosphere was unstable enough with shear to produce severe weather.
- Tornado and Hail in Oklahoma, April 18, 2015As the slow moving upper trough continued eastward, it moved into portions of western Kansas and Oklahoma. A Pacific front/dryline surged eastward during the day, igniting thunderstorms.
- Tornado in Colorado, April 18, 2015A severe thunderstorm produced a brief tornado.
- Hail in Kansas, April 18, 2015A couple severe thunderstorms developed over Northwest Kansas producing quarter size hail in Sherman and Graham counties.
- Hail in Kansas, April 18, 2015Scattered to numerous, semi-discrete and multicell thunderstorms blossomed across this six-county North Central Kansas area on this Saturday afternoon, with a few storms briefly becoming severe and producing quarter size hail.
- Hail in Missouri, April 18, 2015A marginally strong storm produced some small hail in Adair County. Only one report of penny-sized hail was reported.
- Hail in Nebraska, April 18, 2015An afternoon thunderstorm in eastern Cheyenne County produced large hail.
- Hail and Damaging Winds in Texas, April 18, 2015A line of severe thunderstorms moved southeast across the Hill Country, the Interstate 35 corridor and through eastern South Central Texas during the evening hours.
- Tornado and Flash Flood in Texas, April 18, 2015Severe thunderstorms developed along and ahead of a dryline located just west of the CWA in the afternoon hours. These storms eventually merged into a line that continued marching east across most of the region.
- Hail in Kansas, April 18, 2015There was an isolated hail report on this day.
- Hail in Nebraska, April 18, 2015Scattered to numerous, semi-discrete and multicell thunderstorms blossomed across much of South Central Nebraska on this Saturday afternoon and evening, with a few storms becoming severe and producing hail ranging from 1-2 in diameter.
- Tornado and Hail in Mississippi, April 18 to 19, 2015A moist air mass combined with afternoon heating and good deep shear to develop strong to severe storms during the night of the 18th. This resulted in a brief tornado touch down in Simpson county that caused no damage.
- Hail in Texas, April 18, 2015A deep upper level disturbance moved from Canada south into the Rockies, linked up with the persistent subtropical jet farther south to generate widespread dangerous thunderstorms across Texas.
- Flash Flooding and Hail in Texas, April 18, 2015Discrete supercell thunderstorms developed during the late afternoon hours across North Central Texas. These storms moved eastward into Northeast Texas during the late evening and overnight hours of the 18th.
- Hail and Damaging Winds in Texas, April 18, 2015An upper level low entering the southern Plains, with the southern branch of the jet stream riding into eastern Texas, placed the area under a very favorable upper level pattern for the formation and sustainability of strong to severe afternoon into evening thunderstorms.
- Tornado and Hail in Louisiana, April 19 to 21, 2015An early morning line of thunderstorms produced a weak tornado in Southwest Louisiana as a short wave passed through the region. A drier air mass moved into the region by the afternoon, however another short wave affected the region during the afternoon with more thunderstorms.
- Damaging Winds in Louisiana, April 19, 2015Discrete supercell thunderstorms developed during the late afternoon hours across North Central Texas. These storms moved eastward into Northeast Texas during the late evening and overnight hours of the 18th.
- Tornadoes and Hail in Alabama, April 19 to 20, 2015A deepening short wave moving through the southern Plains States produced widespread lift across Alabama during the morning hours on April 19th. At the same time, a surface warm front lifted northward across south Alabama and pulled warm and unstable air into central Alabama.
- Tornadoes and Damaging Winds in Florida, April 19 to 20, 2015A line of strong to severe thunderstorms moved across the region on April 19th, bringing with it tornadoes and straight line wind damage.
- Tornadoes and Flash Flooding in Alabama, April 19, 2015A line of strong to severe thunderstorms moved across the region on April 19th, bringing with it tornadoes, straight line wind damage, and significant flash flooding across portions of southeast Alabama.
- Lightning Strike in Florida, April 19, 2015An upper level trough over the central United States and an approaching cold front resulted in numerous showers and thunderstorms across the north central Gulf Coast.
- Tornadoes and Damaging Winds in Georgia, April 19 to 20, 2015A strong short wave and moderate instability combined to produce widespread thunderstorms across north and central Georgia throughout the daytime on the 19th into the early morning hours of the 20th. Scattered severe thunderstorms with damaging winds occurred across the area.
- Tornado and Hail in Georgia, April 19 to 20, 2015A line of strong to severe thunderstorms moved across the region on April 19th, bringing with it tornadoes and straight line wind damage.
- Tornado and Damaging Winds in Georgia, April 19, 2015A warm front lifted north of the Altamaha River Basin in advance of an approaching cold front and parent upper level trough pushing downstream of the MS river valley. Modest instability and shear was in place with supported scattered severe storms.
- Damaging Winds in Georgia, April 19, 2015Severe thunderstorms rumbled through the CSRA taking down some trees and powerlines.
- Damaging Winds in Georgia, April 19, 2015Moderate instability and favorable shear profiles supported widespread wind damage as an upper level disturbance and associated severe QLCS moved across southeast Georgia.
- Tornado and Damaging Winds in Florida, April 19, 2015A warm front lifted north of the Altamaha River Basin in advance of an approaching cold front and parent upper level trough pushing downstream of the MS river valley. Modest instability and shear was in place with supported scattered severe storms.
- Tornado in Georgia, April 19, 2015A supercell thunderstorm produced an EF2 tornado that touched down in northern Burke County and traveled NNE into Richmond County. Numerous trees were down and there was damage to homes, vehicles, and other property.
- Flash Flood and Flood in South Carolina, April 19 to 20, 2015Numerous heavy rain showers and thunderstorms moved across the South Carolina Piedmont during the afternoon and evening in association with a warm front. This was after a round of moderate to heavy rain moved across the area early in the day, producing up to 2 inches of rain.
- Hail and Damaging Winds in South Carolina, April 19 to 20, 2015A line of severe thunderstorms took down trees and powerlines with some trees falling on homes, vehicles, and other structures.
- Flash Flood and Flooding in North Carolina, April 19 to 20, 2015An upper level low and frontal boundary produced impressive rainfall in a 24-hour period ending at 12Z on the 20th. There were widespread 3 to 5 inch amounts with isolated higher totals (6 + in Alleghany County, NC).
- Tornadoes in South Carolina, April 19, 2015Supercell thunderstorms produced four tornadoes in SC. One occurred in Edgefield county, one in Aiken County, one in Lexington County, and one in Calhoun County. Therre were two injuries in Calhoun county when a mobile home was destroyed.
- Hail in Oklahoma, April 19, 2015Thunderstorms developed during the mid afternoon of the 19th in response to a strong cold front moving through the region. Large hail up to golfball size occurred with these thunderstorms as they swept across the area.
- Hail in Texas, April 19, 2015A cold front entering southeastern Texas's moist and unstable resident air mass initiated enough lift to develop severe discrete thunderstorm cells that impacted the greater Houston, Texas area.
- Hail and Damaging Wind in Arkansas, April 19, 2015Thunderstorms developed during the mid afternoon of the 19th in response to a strong cold front moving through the region. Large hail up to two inches in diameter and isolated damaging winds occurred with these thunderstorms as they swept across the area.
- Damaging Winds in South Carolina, April 19, 2015Moderate instability and favorable shear profiles supported widespread wind damage as an upper level disturbance and associated severe QLCS moved across southeast South Carolina.
- Hail and Damaging Winds in Tennessee, April 19 to 20, 2015A quasi-linear convective system (QLCS) moved into Middle Tennessee from the west during the late evening hours on April 19 into the early morning hours on April 20. Numerous reports of damaging winds were received.
- Hail in Iowa, April 19, 2015A strong upper level trough lifted across Iowa during the afternoon. Cold air was in place aloft with the freezing level down to around 9,000 feet. CAPE was limited with only around 500 J/kg available. Shear and CAPE in the -10 to -30 C layer of the atmosphere was virtually nil.
- Hail in Texas, April 19, 2015A cluster of storms organized into a line in Lee and Bastrop counties in the mid afternoon and moved southeast across eastern South Central Texas into the late evening.
- Tornado and Hail in Arkansas, April 19, 2015A storm system aloft moved toward the region from the west, allowing thunderstorms to develop across portions of the state. These storms produced large hail and some damaging winds.
- Hail in Oklahoma, April 19, 2015Storms that developed during the evening hours of the 18th continued marching eastward into the daylight hours on the 19th. At least one storm produce quarter sized hail before storms finally moved east of the area.
- Hail and Damaging Winds in Alabama, April 19, 2015A quasi-linear convective system developed during the afternoon hours and swept quickly east through northern Alabama. A few reports of wind damage were reported. One isolated supercell ahead of the line produced large hail in Jackson County in the community of Scottsboro.
- Damaging Wind in Florida, April 19, 2015Strong thunderstorms developed throughout central Florida in a summer-like weather pattern. One of the storms became severe as it moved off Apopka, downing several large trees and producing minor structural damage.
- Flash Flooding and Flooding in North Carolina, April 19 to 20, 2015Moderate to heavy rain fell near the North Carolina Blue Ridge throughout much of the 19th. Meanwhile, numerous heavy rain showers and a few thunderstorms moved across the Piedmont during the afternoon and evening in association with a warm front.
- Hail in Texas, April 19, 2015An upper level disturbance moved eastward across the Southern Plains during the late afternoon hours of April 19th. Accompanying the upper level disturbance was a dry line that encountered strong instability across Northeast Texas, Southwest Arkansas and Northwest Louisiana.
- Hail in Arkansas, April 19, 2015An upper level disturbance moved eastward across the Southern Plains during the late afternoon hours of April 19th. Accompanying the upper level disturbance was a dry line that encountered strong instability across Northeast Texas, Southwest Arkansas and Northwest Louisiana.
- Damaging Wind in Florida, April 19, 2015Numerous showers and thunderstorms developed in an unusually warm and unstable airmass. Several clusters of strong thunderstorms were moving offshore Brevard County and one storm became severe as it pushed over Cape Canaveral.
- Tornado and Damaging Winds in South Carolina, April 19, 2015A long-lived and organized line of thunderstorms moved into the area from the west during the late afternoon and evening. Thunderstorms were able to develop and blossom in the warm and increasingly unstable sector ahead of a cold front. Shear values were also notably high.
- Hail in Missouri, April 19, 2015A potent upper level disturbance moved out of the southern plains and across the Mid-South in advance of a strong cold front during the evening hours of April 19, 2015.
- Flash Flooding and Flooding in Virginia, April 19 to 20, 2015A prolonged heavy rainfall event with slow-moving boundary produced significant small stream and subsequent river flooding in the mountains of southwest VA beginning overnight Sunday, April 19th.
- Hail and Heavy Rain in Kentucky, April 19, 2015A few strong storms formed ahead of a pre-frontal surface trough that extended from southeast Missouri down the Lower Mississippi Valley. The storms were further enhanced by a 500 mb speed max spreading across Arkansas toward the Lower Ohio Valley.
- Hail in Louisiana, April 19, 2015An upper level disturbance moved eastward across the Southern Plains during the late afternoon hours of April 19th. Accompanying the upper level disturbance was a dry line that encountered strong instability across Northeast Texas, Southwest Arkansas and Northwest Louisiana.
- Damaging Winds in Tennessee, April 19 to 20, 2015A front tracked through east Tennessee during the evening into the early morning hours. Numerous trees and several powerlines were downed by thunderstorm winds. The wind also damaged 2 tin roofs.
- Hail in Texas, April 19, 2015A pair of severe storms moved through Southeast Texas during the evening of the 19th as a short wave passed through the region.
- Hail and Damaging Winds in Arkansas, April 19, 2015A potent upper level disturbance moved out of the southern plains and across the Mid-South in advance of a strong cold front during the evening hours of April 19, 2015.
- Hail and Damaging Winds in Louisiana, April 19, 2015A moist air mass combined with afternoon heating and good deep shear to develop strong to severe storms during the night of the 18th.
- Damaging Wind in California, April 19, 2015An isolated thunderstorm produced high winds in the Owens Valley.
- Hail and Damaging Winds in Mississippi, April 19, 2015A potent upper level disturbance moved out of the southern plains and across the Mid-South in advance of a strong cold front during the evening hours of April 19, 2015.
- Hail in Missouri, April 19, 2015A thunderstorm complex moved eastward across northern Arkansas during the evening hours. The northern edge of this complex grazed southeast Missouri. A few of the storms produced hail up to the size of quarters.
- Damaging Winds in Virginia, April 19, 2015A front tracked through southwest Virginia on the 19th triggering thunderstorms in the evening hours. Trees were downed with the strongest storms.
- Tornado in Ohio, April 19, 2015Scattered thunderstorms developed ahead of a warm front which was lifting north across the region.
- Damaging Wind in Tennessee, April 19, 2015A potent upper level disturbance moved out of the southern plains and across the Mid-South in advance of a strong cold front during the evening hours of April 19, 2015.
- Tornado and Damaging Winds in Alabama, April 19 to 20, 2015A quasi linear convective system rolled quickly out of the lower Mississippi Valley and into the central Tennessee Valley in north Alabama during the late night on the 19th and early morning hours of the 20th.
- Damaging Winds in Tennessee, April 20, 2015A quasi linear convective system rolled quickly out of the lower Mississippi Valley and into southern middle Tennessee during the early morning hours of the 20th. The line produced widespread winds of 40-50 mph (measured in a few locations) with locally higher wind speeds.
- Hail and Damaging Winds in Georgia, April 20, 2015A deep upper-level trough and strong short wave moved through the region during the day.
- Hail and Damaging Winds in South Carolina, April 20, 2015An area of thunderstorms developing ahead of a cold front moved across northern portions of Upstate South Carolina during the morning, producing isolated wind damage.
- Hail in Florida, April 20, 2015Thunderstorms developed along the Treasure Coast in an unseasonably warm and unstable airmass. A storm over Jensen Beach became severe and produced quarter-sized hail.
- Hail in Florida, April 20, 2015A tropical airmass across south Florida resulted in scattered afternoon thunderstorms with an isolated severe thunderstorm.
- Hail and Damaging Wind in North Carolina, April 20, 2015Scattered thunderstorms developed as a cold front approached the area during peak heating. Given the strong destabilization, many of these storms became severe and produced large hail.
- Damaging Winds in Florida, April 20, 2015Daytime heating combined with a potent upper level system allowed for strong to severe storms to develop throughout the area. Many were sub-severe however a few reached severe limits causing damage to homes, trees and power lines.
- Tornado and Damaging Winds in Florida, April 20, 2015Clusters of severe storms preceded a cold front as it crossed the local area. Hail and gusty winds were the main convective hazards, although a discrete tornado did impact the Palm Cay subdivision in southern Marion County.
- Hail in North Carolina, April 20, 2015Numerous showers and thunderstorms developed in advance of and with the passage of a cold front. Some of these storms increased to severe levels and produced hail ranging from quarter size to golf ball size. Other hail less than one inch diameter fell.
- Hail in Georgia, April 20, 2015Scattered thunderstorms developed during the afternoon across Northeast Georgia. One of these storms became severe and produced up to golf ball size hail across portions of Franklin County.
- Damaging Wind in New York, April 20, 2015Thunderstorms accompanied the passage of a cold front across western New York. In East Pembroke, in Genesee County, an isolated storm brought down several trees near the intersection of Indian Falls and Pratt Roads.
- Hail in Virginia, April 20, 2015Numerous showers and thunderstorms developed in advance of and with the passage of a cold front. Some of these storms increased to severe levels and produced hail ranging from quarter to half-dollar size hail. Other hail less than one inch in diameter fell.
- Hail in Pennsylvania, April 20, 2015Scattered thunderstorms developed the afternoon and evening of the 20th. One of these storms produced severe hail.
- Hail in Pennsylvania, April 20, 2015Severe thunderstorms produced sporadic damage, but significant hail across central Pennsylvania.
- Hail and Damaging Wind in West Virginia, April 20, 2015A warm front was draped across the Mason-Dixon Line as a cold front slowly approached from the northwest, leaving the Mid Atlantic warm sectored.
- Hail and Damaging Winds in Maryland, April 20, 2015A warm front was draped across the Mason-Dixon Line as a cold front slowly approached from the northwest, leaving the Mid Atlantic warm sectored.
- Hail in West Virginia, April 20, 2015Brief showers and thunderstorms formed during the mid and late afternoon ahead of a cold front. Due to the low freezing level, small hail occurred with the strongest cells. One trained spotter measured hail to three quarters of an inch.
- Tornado in Pennsylvania, April 20, 2015An EF-0 tornado was confirmed near Colyer Lake in Centre County during the evening of April 20th. Minimal damage was observed, and there were no injuries.
- Hail and Damaging Winds in Virginia, April 20, 2015A warm front was draped across the Mason-Dixon Line as a cold front slowly approached from the northwest, leaving the Mid Atlantic warm sectored.
- Damaging Wind in Texas, April 20, 2015A thunderstorm near Hereford briefly strengthened to severe levels producing high winds near Hereford. Instability, wind shear, and lift were insufficient to support additional severe thunderstorms this day.
- Hail in Maryland, April 20, 2015An approaching cold front helped trigger a line of thunderstorms during the evening of the 20th. A couple of thunderstorms dropped hail on the Eastern Shore.
- Hail in New Jersey, April 20, 2015An approaching cold front helped trigger a line of thunderstorms overnight on the 20th in New Jersey. A couple of thunderstorms were accompanied by hail.
- Flash Flood in Delaware, April 21, 2015Showers and thunderstorms preceding a cold front caused flash flooding in eastern New Castle County overnight on the 20th. Rainfall amounts since the early morning on the 20th averaged two to three inches in the county.
- Lightning Strike in Connecticut, April 21, 2015A line of showers and embedded thunderstorms moved across northwestern Connecticut during the early morning hours of Tuesday, April 21st. Although the thunderstorms weren't considered severe, cloud to ground lightning struck a home built in the 1800s in the town of Cornwall.
- Tornado in California, April 21, 2015Isolated thunderstorms developed across portions of eastern Riverside county during the afternoon hours on April 21st, and for the most part the storms were not especially strong.
More
Every billion-dollar disasterEvery storm of 2015Tornadoes in 2015
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.