Dry, sunny weather led to high temperatures near 100 degrees in southern Val Verde county.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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.
The episode as NWS EWX wrote it up.
Dry, sunny weather led to high temperatures near 100 degrees in southern Val Verde county.
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 5, 5:45 PM CST, 1 hour 50 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 645 PM CDT WED MAY 5 2010 .AVIATION... SHALLOW MOISTURE WILL RETURN TO SOUTH CENTRAL TEXAS OVERNIGHT INTO THURSDAY. EXPECT PATCHY 3-5SM BR FEW-SCT003-006 BETWEEN 08Z AND 15Z SE OF THE ESCARPMENT. OTHERWISE, VFR SKIES FEW250 WILL PREVAIL. S TO SE WINDS 8 KTS OR LESS WILL INCREASE TO 10 TO 20 KTS THURSDAY WITH SOME GUSTS UP TO 25 KTS IN THE AFTERNOON. && .PREV DISCUSSION... /ISSUED 307 PM CDT WED MAY 5 2010/ DISCUSSION... PATCHY FOG MAY DEVELOP LATE TONIGHT OVER OUR SOUTHEAST CORRIDOR AS RADIATIVE/ADVECTIVE PROCESSES TAKE OVER IN MOIST SOUTHERLY LOW LEVEL FLOW. ANOTHER VERY WARM..HUMID DAY IS IN STORE FOR THURSDAY AS A MOIST SOUTHERLY FLOW CONTINUES. LOW CLOUDS WILL FORM OVERNIGHT THURSDAY INTO EARLY FRIDAY MORNING..TAPPING GULF MOISTURE. A COLD FRONT ENTERING THE TEXAS PANHANDLE THURSDAY EVENING WILL EASE INTO SOUTH CENTRAL TEXAS LATE FRIDAY AFTERNOON/FRIDAY EVENING. WILL INTRODUCE A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS FRIDAY NIGHT WITH THE FRONT. THE WEAKENING FRONTAL ZONE WILL BECOME STATIONARY SATURDAY ALONG THE NORTHERN AND EASTERN PORTIONS OF THE REGION AS SOUTHEAST FLOW BRIDGES THE FRONT OVER WESTERN PORTIONS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS CONTINUE IN VICINITY OF THE FRONT. SOUTHERLY FLOW AND VERY WARM HUMID WEATHER WILL RESUME SUNDAY WITH HIGHS NEAR 90 EXCEPT MID TO UPPER 90S SOUTHWEST. BY MONDAY..A FEW ISOLATED SHOWERS MAY FORM FROM UPLIFT ALONG THE LOW LEVEL JET OVER THE EASTERN HILL COUNTRY..OTHERWISE CLOUDY MORNING BECOMING PARTLY CLOUDY..VERY WARM AND HUMID MONDAY AFTERNOON. AN ATTENDANT DRY LINE WILL PUSH INTO FAR WESTERN PORTIONS OF THE CWA NEXT TUESDAY BUT A STRONG SOUTHWESTERLY CAP (SUBSIDENT SOUTHWEST WINDS ALOFT) ALOFT WILL KEEP ACTIVITY FROM INITIATING. A FEW SHOWERS MAY DEVELOP OVER EASTERN PORTIONS OF THE CWA DUE TO LOW LEVEL MOISTURE CONVERGENCE OFF THE GULF. CONTINUED WARM AND HUMID TUESDAY WITH HIGHS RANGING FROM NEAR 90 HILLS TO NEAR 100 EXTREME SOUTHWEST. && .PRELIMINARY POINT TEMPS/POPS... AUSTIN CAMP MABRY 64 94 72 94 69 / 0 0 - 10 20 AUSTIN BERGSTROM INTL AIRPORT 58 93 69 94 68 / 0 0 - 10 20 NEW BRAUNFELS MUNI AIRPORT 61 94 69 93 69 / 0 0 - 10 20 BURNET MUNI AIRPORT 62 92 70 91 66 / 0 0 - 20 20 DEL RIO INTL AIRPORT 68 96 72 97 73 / 0 0 - - 20 GEORGETOWN MUNI AIRPORT 63 92 71 91 67 / 0 0 - 20 20 HONDO MUNI AIRPORT 61 94 70 92 70 / 0 0 - 10 20 SAN MARCOS MUNI AIRPORT 62 93 73 93 70 / 0 0 - 10 20 LA GRANGE - FAYETTE REGIONAL 62 90 72 92 70 / - 0 - - 20 SAN ANTONIO INTL AIRPORT 64 96 72 94 71 / 0 0 - 10 20 STINSON MUNI AIRPORT 62 93 71 94 71 / 0 0 - 10 20 && .EWX WATCHES/WARNINGS/ADVISORIES... NONE. && 18/04
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 523 AM CDT WED MAY 5 2010 TXZ171>173-183>194-202>209-217>225-228-061030- LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA- GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE- MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA- FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT- 523 AM CDT WED MAY 5 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS. .DAY ONE...TODAY AND TONIGHT... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
The national radar mosaic for the moment the first event began.
1 heat. Local standard time, as filed.
In Del Rio, a boy was found in a vehicle and taken to an area hospital where he was pronounced dead at 7:35PM CST. The high temperature in Del Rio on this day was 98 degrees.
As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.
| Event | Date | Age | Sex | Where | Kind |
|---|---|---|---|---|---|
| Heat, Val Verde | 2010-05-05 | 3 | Male | Vehicle/Towed Trailer | Indirect |
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2010Every state in 2010This day in weather historyWarnings in Texas, May 2010
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: 234575.