Some counties in the northwestern and southern portions of the region began the month in severe drought (D2), but beneficial rainfall in the middle of the month improved conditions.
Every event with a place to put it; 6 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.
Some counties in the northwestern and southern portions of the region began the month in severe drought (D2), but beneficial rainfall in the middle of the month improved conditions.
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 Jul 31, 10:52 PM CST, 1 hour 8 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE FORT WORTH TX 1152 PM CDT TUE JUL 31 2012 .AVIATION... VFR WILL PREVAIL. SOUTH WINDS WILL PREVAIL FOR MUCH OF THE PERIOD BUT THE WINDS WILL LIKELY BE MORE SOUTHWESTERLY LATE WEDNESDAY MORNING AND THEN BECOME MORE SOUTHEASTERLY LATE WEDNESDAY AFTERNOON. SOME MODELS INDICATE THAT THE WINDS WEDNESDAY EVENING MAY INCREASE TO 12-14 KTS DUE TO A STRENGTHENING LOW PRESSURE SYSTEM TO OUR NORTHWEST. 82/JLD && .PREV DISCUSSION... /ISSUED 317 PM CDT TUE JUL 31 2012/ AFTER SOME IN HOUSE DISCUSSION...WE/VE DECIDED TO EXTEND THE HEAT ADVISORY UNTIL THURSDAY EVENING WITH THE EXPECTATION THAT WE WILL END IT AT THAT TIME. THE STUBBORN UPPER HIGH WILL REMAIN IN PLACE FOR THE NEXT FEW DAYS... BUT DOES SHOW SIGNS OF WEAKENING A LITTLE FRIDAY AND INTO NEXT WEEK AS IT DRIFTS A LITTLE TO THE WEST. THIS SHOULD RESULT IN HIGHS BEING A FEW DEGREES COOLER THAT THE PAST FEW DAYS THIS FRIDAY AND INTO NEXT WEEK. PROGRESSIVE WESTERLY FLOW OVER THE NORTHERN PART OF THE COUNTRY WILL FINALLY AMPLIFY A TROUGH OVER THE EASTERN STATES ON SUNDAY.THIS WILL NUDGE THE UPPER HIGH WESTWARD A LITTLE WITH NORTHWEST TO NORTH UPPER FLOW SPREADING OVER THE EASTERN CWA THE FIRST OF NEXT WEEK. MINOR RIPPLES WITHIN THIS UPPER FLOW AND SOME INCREASE IN LOW LEVEL MOISTURE FROM EAST TEXAS MAY BE ENOUGH FOR ISOLATED AFTERNOON/EARLY EVENING CONVECTION OVER THE FAR EASTERN COUNTIES SUNDAY THROUGH TUESDAY. OTHERWISE... NOTE: THE GFS MODEL CONTINUES TO SUFFER WITH A PROBLEM OF NOT MIXING OUT BOUNDARY LAYER MOISTURE. THIS RESULTS IN SURFACE DEWPOINTS REMAINING TOO HIGH THROUGHOUT THE AFTERNOON AND EVENING HOURS. SINCE THIS ALSO AFFECTS HEAT INDEX CALCULATIONS...WE ARE USING NAM/ECMWF DEWPOINTS WHICH BETTER REFLECTS WHAT ACTUALLY IS OCCURRING. 75 && .PRELIMINARY POINT TEMPS/POPS... DALLAS-FT. WORTH, TX 79 105 79 104 79 / 0 0 0 0 5 WACO, TX 76 102 75 102 76 / 0 0 0 0 5 PARIS, TX 75 103 75 103 76 / 0 5 5 0 5 DENTON, TX 78 105 78 105 78 / 0 0 0 0 5 MCKINNEY, TX 77 104 78 104 78 / 0 0 0 0 5 DALLAS, TX 80 105 80 104 80 / 0 0 0 0 5 TERRELL, TX 76 103 76 102 76 / 0 0 0 0 5 CORSICANA, TX 76 102 76 102 76 / 0 0 0 0 5 TEMPLE, TX 74 101 74 101 74 / 0 0 0 0 5 MINERAL WELLS, TX 75 104 75 104 75 / 0 0 0 0 5 && .FWD WATCHES/WARNINGS/ADVISORIES... HEAT ADVISORY UNTIL 8 PM CDT THURSDAY FOR TXZ091>095-101>107- 117>123. && 82/92
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FORT WORTH TX 335 PM CDT TUE JUL 31 2012 TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-011200- 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- 335 PM CDT TUE JUL 31 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. THE HEAT ADVISORY FOR THE NORTHERN PORTIONS OF NORTH TEXAS WILL CONTINUE THROUGH THURSDAY. AFTERNOON HEAT INDEX VALUES WILL REACH OR EXCEED 105 DEGREES. THERE IS A CHANCE OF THUNDERSTORMS ACROSS FAR EASTERN NORTH AND CENTRAL TEXAS SUNDAY AND MONDAY AFTERNOON. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. CAVANAUGH
The national radar mosaic for the moment the first event began.
6 drought. Local standard time, as filed.
Severe drought conditions (D2) spread across the county during the early part of the month. However, the county received up to an inch of rain around the middle of the month and drought conditions in most of the county improved.
Severe drought conditions (D2) spread across the western portions of the county during the early part of the month. However, the county received up to an inch of rain around the middle of the month and drought conditions improved.
Severe drought conditions (D2) occurred in the county during the early part of the month. However, the county received an average of 2-6 of rain by the middle of the month and drought conditions improved.
Severe drought conditions (D2) occurred in the county during the early part of the month. However, the county received an average of 2-6 of rain by the middle of the month and drought conditions improved.
Severe drought conditions (D2) occurred in the county during the early part of the month. However, the county received an average of 2-4 of rain by the middle of the month and drought conditions improved.
Severe drought conditions (D2) spread across the county during the early part of the month. However, the county received an average of 2-5 of rain by the middle of the month and drought conditions improved.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2012Every state in 2012This day in weather historyWarnings in Texas, August 2012
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: 408473, 408474, 408475, 408476, 408477, 408478.