Texas, 2001Tornado and Hail in Texas, May 20, 2001
May 20, 2001 · NWS EWX · 6 events in 2 counties and zones
4 hail, 1 thunderstorm wind, 1 tornado, as filed by the National Weather Service.
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
Open the live radar over this ground
- Deaths
- 0
- Injuries
- 0
- Property damage
- $315,000
- Crop damage
- $300,000
- Events
- 6
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Austin/San Antonio, TX wrote its last area forecast discussion before the first event at May 20, 1:15 PM CST, 3 hours earlier.
Area forecast discussion, May 20, 1:15 PM CST, 3 hours before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
215 PM CDT SUN MAY 20 2001
AFTER A BRIEF STINT WITH SHOWERS AND THUNDERSTORMS TOMORROW...A COLD
FRONT WILL USHER IN COOLER AND MUCH DRIER AIR...WITH THE GULF OF
MEXICO FLOW BEING SHUT OFF FOR MOST OF THE WEEK. THE EXTENDED HAS A
GOOD RETURN FLOW OF MOISTURE BY NEXT SUNDAY.
WE ARE POTENTIALLY VERY UNSTABLE ALOFT WITH THE LATEST GOES CAPE
INDEX SHOWING CAPES OF 3000-5000. HOWEVER...WE ARE JUST NOW
CLEARING ACROSS THE EASTERN PORTIONS OF SOUTH CENTRAL TEXAS AND
VISUAL CLUES OF GOOD SUBSIDENCE OCCURRING (VISIBILITIES LOWERING IN
HAZE). WITH LITTLE IN WAY OF FOCUS OR POSITIVE DYNAMICS ALOFT...
WILL ONLY PLACE ISOLATED SHOWERS OR THUNDERSTORMS WEST TONIGHT...
WHERE DRY LINE SET UP WILL BE.
MODELS HAVE BEEN VERY CONSISTENT IN BRINGING IN A GOOD COLD FRONT
AROUND MIDDAY MONDAY...AND THIS CONTINUES THE CASE. A BRIEF SHOT AT
SOME SHOWERS AND THUNDERSTORMS ALONG THE FRONT WITH GOOD LOW LEVEL
FORCING. THE TIME OF DAY PRECLUDES US FROM GOING ANY HIGHER THAN 30
PERCENT AT PRESENT. SOME CYCLOGENESIS ALONG THE COASTLINE MONDAY
NIGHT WILL FORCE US TO CONTINUE WITH LOW POPS (MOSTLY LIGHT RAIN OR
SHOWERS) OVER THE SOUTH CENTRAL AND SOUTHEAST ZONES TOMORROW NIGHT.
MASSIVE VORTEX DEVELOPING ACROSS UPPER MIDWEST INTO THE NORTHEAST
U.S. BY MIDWEEK KEEPS AREA DRY AND A LITTLE COOLER THAN NORMAL.
SECONDARY WAVE PUSHES IN LATE THURSDAY WITH A FEW MORE CLOUDS AND A
REINFORCEMENT OF COOL AIR. SOUTHERLY FLOW FINALLY RETURNS WITH A
VENGEANCE SUNDAY AS THE HIGH MOVES OFF INTO THE ATLANTIC WHILE A
LONGWAVE TROUGH PATTERN SETS UP OVER THE WESTERN U.S.
PRELIMINARY NUMBERS...
AUS 072/080/051/081 0310
DRT 068/089/057/085 1200
SAT 074/083/053/081 0320
.EWX...NONE.
02/19
Event by event
4 hail, 1 thunderstorm wind, 1 tornado. Local standard time, as filed.
Thunderstorm Wind, Atascosa
- When
- May 20, 4:15 PM CST to 4:25 PM CST
- Where
- Atascosa County, 5 mi W of Campbellton
- Property damage
- $50,000
- Crop damage
- $30,000
- Reported by
- NWS STORM SURVEY
- Coordinates
- 28.750, -98.383
Severe thunderstorm winds blew the roof off several houses and blew down numerous trees.
Hail, Atascosa
- When
- May 20, 4:45 PM CST to 4:50 PM CST
- Where
- Atascosa County, Campbellton
- Measured
- 1.75 in hail
- Property damage
- $30,000
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 28.750, -98.300
Hail, Wilson
- When
- May 20, 5:10 PM CST to 5:15 PM CST
- Where
- Wilson County, Dewees
- Measured
- 1.75 in hail
- Property damage
- $20,000
- Crop damage
- $20,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 29.017, -98.183
Hail, Wilson
- When
- May 20, 5:10 PM CST to 5:20 PM CST
- Where
- Wilson County, 5 mi NE of Floresville
- Measured
- 1.75 in hail
- Property damage
- $50,000
- Crop damage
- $50,000
- Reported by
- NWS STORM SURVEY
- Coordinates
- 29.183, -98.100
The large hail damaged houses and dented car bodies, destroyed windshields and windows.
Hail, Wilson
- When
- May 20, 5:10 PM CST to 5:35 PM CST
- Where
- Wilson County, Stockdale
- Measured
- 4 in hail
- Property damage
- $150,000
- Crop damage
- $200,000
- Reported by
- NWS STORM SURVEY
- Coordinates
- 29.233, -97.950
Again, the very large hail damaged homes and vehicles and destroyed corn, hay and other crops in the area.
Tornado, Wilson
- When
- May 20, 5:15 PM CST to 5:16 PM CST
- Where
- Wilson County, 5 mi E of Floresville
- Rating
- F0
- Path length
- 0.3 mi
- Path width
- 30 yd
- Property damage
- $15,000
- Reported by
- NWS STORM SURVEY
- Coordinates
- 29.133, -98.083
A very small and short-lived tornado twisted and knocked over a large tree and destroyed a small out-building in the middle of several outbuildings, then lifted and dissipated.
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- Tornado
- A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Damaging Winds in Alabama, May 20, 20011 death · 3 injured · $50,000 · 55 kt wind · 2 events
- Tornadoes and Flash Flooding in Oklahoma, May 20 to 21, 2001$2.3 million · F1 · 79 events
- Hail and Damaging Winds in Texas, May 20, 200110 injured · $2.6 million · 3.5 in hail · 6 events
- Tornadoes and Hail in Oklahoma, May 20, 2001$176,000 · F2 · 38 events
- High Wind in Colorado, May 20, 20016 injured · $3.4 million · 72 kt wind · 10 events
- Hail and Damaging Winds in Oklahoma, May 20, 2001$955,000 · 80 kt wind · 12 events
- Hail and Damaging Winds in Mississippi, May 20, 2001$193,000 · 1.75 in hail · 22 events
- Flash Flood in Texas, May 20, 20015 injured · $60,000 · 1 event
- Damaging Winds in Texas, May 20, 2001$340,000 · 4 events
- Tornadoes and Hail in Kansas, May 20, 2001$230,000 · F0 · 5 events
- Damaging Wind in Missouri, May 20, 2001$100,000 · 1 event
- Hail and Damaging Winds in Texas, May 20 to 21, 2001$80,000 · 4 in hail · 3 events
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5243277, 5243278, 5243279, 5243280, 5243281, 5243282.