1 heavy rain, as filed by the National Weather Service.
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 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 Aug 21, 9:05 AM CST, 1 hour 45 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FORT WORTH TX 1005 AM CDT SAT AUG 21 2004 .DISCUSSION... THUNDERSTORMS WITH HEAVY RAIN CONTINUE TO FORM IN THE VICINITY OF A STALLED BOUNDARY ACROSS THE SOUTHERN ZONES. WE EXPECT THIS ACTIVITY TO CONTINUE THROUGH THE AFTERNOON. THEREFORE...WILL INCREASE THE POPS IN THE SOUTHERN ZONES AND MENTION HEAVY RAIN. WILL ALSO HAVE TO ADJUST HIGH TEMPS IN THE SOUTH INTO THE LOWER AND MIDDLE 80S. MAY SEE SOME ELEVATED SHOWERS AND STORMS AS FAR NORTH AS INTERSTATE 20 THIS AFTERNOON SO WILL BUMP POPS UP A BIT JUST SOUTH OF THE METROPLEX. SOME DESTABILIZATION SHOULD OCCUR THIS EVENING AS ANOTHER SHORT WAVE APPROACHES FROM FAR WEST TEXAS AND EASTERN NEW MEXICO. HAVE DECIDED TO LEAVE CHANCE TO LIKELY POPS DURING THE EVENING HOURS IN THE SOUTH. WILL LOOK AT THE POSSIBILITY OF ANOTHER FLASH FLOOD WATCH IN THE SOUTH FOR THE AFTERNOON PACKAGE BASED ON WHAT OCCURS THIS AFTERNOON. && .AVIATION DISCUSSION... BASE REFLECTIVITY DATA FORM KFWS 88D NOW SHOWING GREATEST CONCENTRATION OF TRW FROM KFWS...SEWD TO KJWY/KTYR. ALTHOUGH CURRENT SFC OBS INDICATE VERY WEAK FLOW/CONVERGENCE ACROSS THIS AREA...THE ACTIVITY APPEARS TO BE DEVELOPING INVOF WEAK LOW-LEVEL THERMAL BNDRY. SHORT TERM GUIDANCE FROM LATEST RUC/MESOETA PROGS AXIS OF PRECIPITATION TO SHIFT SWD...ALONG WITH DIFFUSE BOUNDARY THROUGHOUT THE DAY. ALTHOUGH ADDITIONAL ISOLD/SCT TRW MAY OCCUR LATER THIS AFTERNOON/EVENING WITH APPROACH OF MID-LEVEL VORT MAX AND NWD RETURN OF LOW-LEVEL BNDRY...CONFIDENCE IS NOT HIGH ENOUGH TO PLACE IN A TAF ATTM. CIGS EXPECTED TO REMAIN BKN BUT VFR FOR MAJORITY OF THE FORECAST PERIOD...WITH SOME SCT DECKS POSSIBLE LATE THIS AFTERNOON. CLOUD BASES SHOULD BE 4-6 KFT...BUT POTENTIALLY LOWER AROUND KACT. LIGHT AND VARIABLE SFC WINDS WILL INCREASE FROM THE SOUTH AT ALL SITES THIS EVENING...AS LEE TROUGH DEEPENS ACROSS THE CENTRAL HIGH PLAINS. 65/DD && .DISCUSSION... 310 AM CURRENT CONVECTION MOVING EAST OUT OF CWA...LEAVING WEAK WIND SHIFT BOUNDARY STRETCHING ACROSS THE REGION. THIS FEATURE SHOULD BECOME MORE DIFFUSE TODAY WITH WINDS RETURNING TO THE SOUTH ACROSS ALL OF NORTH TEXAS BY TONIGHT. DEWPOINTS WILL REBOUND NICELY AS THIS OCCURS...KEEPING MINS UP AT NIGHT. THE BOUNDARY WILL ALSO HELP IN CONVECTION DEVELOPING TODAY...MAINLY IN SOUTHERN SECTIONS. WITH HEAVY RAINS MOVING OUT OF THE AREA AND THE PROSPECT FOR MORE HEAVY RAINS DIMINISHED...WE WILL DROP THE FLOOD WATCH. RIPPLES IN ZONAL FLOW WILL KEEP A CHANCE FOR PRECIP INTO MONDAY WHEN FLOW BACKS TO THE SOUTHWEST AND GIVES THE SOUTHERN SECTIONS A CHANCE FOR RAIN MIDWEEK...SHIFTING TO THE REMAINDER OF THE CWA AS TROF DEEPENS OVER THE SOUTHWEST. OVERALL...A MILD BUT WET PATTERN WILL CONTINUE OVER NORTH TEXAS...NOT QUITE NORMAL FOR LATE AUGUST. && .PRELIMINARY POINT TEMPS/POPS... DALLAS-FT. WORTH, TX 90 72 92 74 / 20 20 20 20 WACO, TX 91 73 94 75 / 40 20 20 20 PARIS, TX 85 70 90 70 / 20 20 20 20 DENTON, TX 85 70 91 71 / 20 20 20 20 MCKINNEY, TX 85 71 91 71 / 20 20 20 20 DALLAS, TX 89 73 92 74 / 20 20 20 20 TERRELL, TX 88 72 91 73 / 20 20 20 20 CORSICANA, TX 89 73 93 74 / 40 20 20 20 TEMPLE, TX 92 74 94 75 / 40 20 20 20 && .FWD WATCHES/WARNINGS/ADVISORIES... TX...NONE && 42
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FORT WORTH TX 447 AM CDT SAT AUG 21 2004 TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-221100- ANDERSON TX-BELL TX-BOSQUE TX-COLLIN TX-COMANCHE TX-COOKE TX- CORYELL TX-DALLAS TX-DELTA TX-DENTON TX-EASTLAND TX-ELLIS TX- ERATH TX-FALLS TX-FANNIN TX-FREESTONE TX-GRAYSON TX-HAMILTON TX- HENDERSON TX-HILL TX-HOOD TX-HOPKINS TX-HUNT TX-JACK TX-JOHNSON TX- KAUFMAN TX-LAMAR TX-LAMPASAS TX-LEON TX-LIMESTONE TX-MCLENNAN TX- MILAM TX-MILLS TX-MONTAGUE TX-NAVARRO TX-PALO PINTO TX-PARKER TX- RAINS TX-ROBERTSON TX-ROCKWALL TX-SOMERVELL TX-STEPHENS TX- TARRANT TX-VAN ZANDT TX-WISE TX-YOUNG TX- 447 AM CDT SAT AUG 21 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS. .DAY ONE... THERE IS A CHANCE OF THUNDERSTORMS ACROSS ALL OF NORTH TEXAS TODAY AND TONIGHT...WITH THE GREATEST PROBABILITY OF OCCURRENCE ALONG AND SOUTH OF A LINE FROM GOLDTHWAITE...TO HILLSBORO AND ATHENS. CLOUD TO GROUND LIGHTNING STRIKES AND LOCALLY HEAVY RAINFALL WILL BE THE PRIMARY THREATS WITH THIS ACTIVITY. .DAYS TWO THROUGH SEVEN... THERE IS A SLIGHT CHANCE OF THUNDERSTORMS ACROSS THE ENTIRE AREA ON SUNDAY...WITH THE STORMS EXPECTED TO LINGER INTO MONDAY ACROSS THE EASTERN HALF OF NORTH TEXAS. SLIGHT CHANCES FOR THUNDERSTORMS WILL REAPPEAR IN THE SOUTHEAST ON TUESDAY AFTERNOON...AND SPREAD ACROSS THE ENTIRE AREA BY WEDNESDAY. AT THIS TIME...ORGANIZED SEVERE WEATHER IS NOT EXPECTED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH SUNDAY MORNING. 65/DD
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 854 AM CDT SAT AUG 21 2004 TXZ158-211500- BELL- 854 AM CDT SAT AUG 21 2004 ...SIGNIFICANT WEATHER UPDATE... AT 854 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A STRONG THUNDERSTORM 5 MILES NORTHWEST OF SALADO...OR 6 MILES SOUTHEAST OF HARKER HEIGHTS...MOVING NORTHEAST AT 5 MPH. HARKER HEIGHTS...NOLANVILLE AND SALADO ARE IN THE PATH OF THIS STORM. VERY HEAVY RAIN...FREQUENT LIGHTNING...AND WIND GUSTS TO 40 MPH ARE LIKELY WITH THIS STORM. HEAVY RAINFALL MAY RESULT IN FLOODING OF LOW LYING AREA SUCH AS DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS THEY MAY BE WASHED OUT.
The national radar mosaic for the moment the first event began.
1 heavy rain. Local standard time, as filed.
Some trees were uprooted, probably due to heavy rain. 6.50 inches of rain fell 0.2 miles north of Youngsport.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2004Every state in 2004This day in weather historyWarnings in Texas, August 2004
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: 5419093.