Temperatures on June 20th in Dallas County rose to 100 degrees in the afternoon. The heat caused one direct and one indirect death of the elderly.
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 FWD wrote it up.
Temperatures on June 20th in Dallas County rose to 100 degrees in the afternoon. The heat caused one direct and one indirect death of the elderly. Heat index values were below 105 degrees and there was no heat advisory in effect.
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 Fort Worth, TX wrote its last area forecast discussion before the first event at Jun 19, 10:22 PM CST, 1 hour 38 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE FORT WORTH TX 1122 PM CDT SAT JUN 19 2010 .AVIATION... WILL CONTINUE VFR FORECAST...AS AXIS OF 30KT+ LLJ WILL REMAIN OVER HILL COUNTRY INTO THE SOUTH PLAINS WELL WEST OF N TX AIRPORTS...THOUGH AS IN PREVIOUS MORNING JUST BEFORE/AROUND DAYBREAK... CAN'T RULE OUT SPOT HR OR SO OF MVFR CIGS AROUND 1500 FT...THOUGH CONFIDENCE AMONGST MODEL BUFFER SOUNDINGS...BOUNDARY LYR RH FCSTS...AND MOS GUIDANCE SUGGEST LOW CONFIDENCE IN SUSTAINED STRATUS FORMATION ACROSS I-35 CORRIDOR. OTHERWISE...CONTINUED SLY FLOW 8-10 KTS THROUGH LATE MORNING SUNDAY... WITH SUSTAINED 11-14KT SLY FLOW WITH OCNL GUSTS IN EXCESS OF 20 KTS BY 18Z/MIDDAY AND BEYOND. 05/ && .PREV DISCUSSION... /ISSUED 324 PM CDT SAT JUN 19 2010/ VERY LITTLE TO TALK ABOUT WEATHERWISE FOR THE NEXT SEVERAL DAYS. 595DM RIDGE CENTERED ACROSS TEXAS WILL BE THE MAIN FEATURE FOR THE IMMEDIATE FUTURE. THIS RIDGE WILL MOVE VERY LITTLE THROUGH TUESDAY AND WILL KEEP AFTERNOON HIGHS IN THE UPPER 90S TO NEAR 100 DEGREES. OVERNIGHT LOWS WILL DROP ONLY TO THE MID AND UPPER 70S ACROSS THE REGION AS WELL. HUMIDITY LEVELS ARE PROGGED TO STAY JUST LOW ENOUGH TO KEEP AFTERNOON HEAT INDICES UNDER 105...BUT THAT COULD CHANGE BY TUESDAY AND WEDNESDAY. THE CURRENT FORECAST WILL DEPICT CLOSE TO LOCAL HEAT ADVISORY CRITERIA ON TUESDAY AND WEDNESDAY. EVEN SO...THE NEXT SEVEN DAYS APPEAR TO BE HOT AND DRY. SINCE THE IMMEDIATE FUTURE IS QUIET...THE ONLY INTERESTING THING OF NOTE COMES AFTER 200 HOURS OR SO. MEDIUM RANGE MODELS ARE CONSISTENT IN BRINGING A TROPICAL WAVE INTO THE GULF OF MEXICO DURING THE LAST WEEK OF JUNE. THERE ARE SOME TIMING...STRENGTH...AND LOCATION DIFFERENCES BETWEEN THE GFS/UKMET/ECMWF SOLUTIONS...BUT IT WILL BE A SYSTEM WORTH WATCHING. 14/FOX && .PRELIMINARY POINT TEMPS/POPS... DALLAS-FT. WORTH, TX 79 100 79 100 79 / 5 5 5 5 5 WACO, TX 78 99 77 99 76 / 5 5 5 5 5 PARIS, TX 75 97 75 96 74 / 5 5 10 10 5 DENTON, TX 76 99 76 101 77 / 5 5 5 5 5 MCKINNEY, TX 74 98 74 99 75 / 5 5 5 5 5 DALLAS, TX 78 99 79 99 79 / 5 5 5 5 5 TERRELL, TX 76 98 75 98 75 / 5 5 5 5 5 CORSICANA, TX 76 97 75 98 75 / 5 5 5 10 5 TEMPLE, TX 74 95 73 96 74 / 5 5 5 5 5 MINERAL WELLS, TX 73 98 73 100 73 / 5 5 5 5 5 && .FWD WATCHES/WARNINGS/ADVISORIES... NONE. && 05/84
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FORT WORTH TX 317 PM CDT SAT JUN 19 2010 TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-201200- MONTAGUE-COOKE-GRAYSON-FANNIN-LAMAR-YOUNG-JACK-WISE-DENTON-COLLIN- HUNT-DELTA-HOPKINS-STEPHENS-PALO PINTO-PARKER-TARRANT-DALLAS- ROCKWALL-KAUFMAN-VAN ZANDT-RAINS-EASTLAND-ERATH-HOOD-SOMERVELL- JOHNSON-ELLIS-HENDERSON-COMANCHE-MILLS-HAMILTON-BOSQUE-HILL-NAVARRO- FREESTONE-ANDERSON-LAMPASAS-CORYELL-BELL-MCLENNAN-FALLS-LIMESTONE- LEON-MILAM-ROBERTSON- 317 PM CDT SAT JUN 19 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. DUNN
The national radar mosaic for the moment the first event began.
1 heat. Local standard time, as filed.
A 73 year old female was found deceased in her home on June 20th. The official cause of death was hyperthermia. No other details were made public. A 79 year old female was found deceased in her home, but had underlying medical conditions.
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, Dallas | 2010-06-20 | 79 | Unknown | Indirect | |
| Heat, Dallas | 2010-06-20 | 73 | Permanent Home | Direct |
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, June 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: 240537.