A severe thunderstorm produced minor tree damage in Greenville.
Every event with a place to put it. 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.
A severe thunderstorm produced minor tree damage in Greenville.
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 18, 5:21 PM CST, 1 hour 14 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE FORT WORTH TX 621 PM CDT TUE AUG 18 2009 .AVIATION... AT THE DFW METROPLEX TAF SITES...VFR IS EXPECTED TO PREVAIL WITH WINDS CONTINUING TO VARY FROM SOUTHEAST TO SOUTH. THE OLD OUTFLOW BOUNDARY HAS DISSIPATED OVER THE METROPLEX AND SOUTHEAST WINDS ARE PREVAILING AT ALL SITES. AN INCREASE IN WINDS TO AROUND 15 KTS WITH GUSTS UP TO 22 KTS IS EXPECTED ON WEDNESDAY. ANOTHER COMPLEX OF STORMS IS EXPECTED IN OKLAHOMA TONIGHT WHICH COULD PUSH ANOTHER OUTFLOW BOUNDARY INTO THE METROPLEX ON WEDNESDAY AND WILL MONITOR FOR THIS DURING THE NIGHT. AT KACT...VCTS IS EXPECTED TO CONTINUE THROUGH 19/02Z WITH A RETURN OF AFTERNOON THUNDERSTORMS IN THE AREA ON WEDNESDAY. SOME MVFR STRATUS COULD AGAIN AFFECT KACT WEDNESDAY MORNING AND WILL CONTINUE WITH TEMPO FOR BKN015. SOUTHEAST TO SOUTH WINDS ARE EXPECTED WITH WIND SPEEDS INCREASING TO AROUND 15 KTS WITH GUSTS UP TO 22 KTS ON WEDNESDAY. 82/JLD && .UPDATE... THREE SUCCINCT BANDS FROM NE-SW HAVE BACK-DOORED INTO PARTS OF FAR ERN NORTH TX FROM SULPHUR SPRINGS TO PALESTINE. THROUGH SUNSET...HAVE RAISED POPS THESE AREAS AND EVEN MENTION SOME LOCALLY HEAVY RAINFALL. SOME SMALL STREAM OR MINOR STREET FLOODING MAY BEGIN TO OCCUR IN ANDERSON COUNTY SHORTLY. ATMOSPHERE IS VERY MOISTURE RICH AND UNSTABLE...AND STORMS ARE SHOWING A TREND TO TRAIN A BIT. OTHERWISE...JUST UPDATED TRENDS. ACTIVITY SHOULD RAPIDLY DIMINISH IN COVERAGE AFTER DARK...BUT WILL MAINTAIN ISOLATED MENTION AFTER SUNSET ALONG/EAST OF I-35. 05/ && .PREV DISCUSSION... /ISSUED 320 PM CDT TUE AUG 18 2009/ MORNING OUTFLOW BOUNDARY RUNS FROM WEST OF FORT WORTH TO FLOWER MOUND AND INTO THE PARIS AREA. A SECOND ONE IS OVER MONTAGUE COUNTY AND ENTERING COOKE COUNTY. THUNDERSTORMS POTENTIAL WILL RESIDE NEAR THESE BOUNDARIES THROUGH EARLY EVENING AND GENERALLY EAST OF I-35 FROM THE METROPLEX SOUTHWARD. STRONG STORMS POSSIBLE DUE TO CAPE VALUES 1000-2000 J/KG. WE/VE DECIDE TO CARRY POPS ALONG THE WESTERN RED RIVER COUNTIES TONIGHT AND WEDNESDAY AS ANOTHER CONVECTIVE COMPLEX DEVELOPS TONIGHT ACROSS PORTIONS OF OKLAHOMA. THE EASTERN COUNTIES WILL MORE CONVECTION WEDNESDAY AFTERNOON. WE/VE TAKE A MORE AGREES IVE POSITION WITH MOVING THE FRONT THROUGH NORTH TEXAS THURSDAY NIGHT THROUGH FRIDAY. BOTH GFS AND ECMWF TAKE IT THROUGH THE CWA WITH THE GFS MOVING IT FASTER AND FURTHER TO NEAR THE COAST. ALTHOUGH MODELS ARE NOT PRODUCING A LOT OF CONVECTION WITH THIS SYSTEM...WE/VE GONE SLIGHTLY ABOVE MOS POPS. AFTER THE FRONT CLEARS NORTH TEXAS...DRIER CONTINENTAL AIR WILL SPREAD OVER NORTH TEXAS FOR THE WEEKEND AND EARLY NEXT WEEK. THIS WILL PROVIDE FOR HIGHS AND LOWS THAT ARE 5 TO 10 DEGREES BELOW NORMAL. 75 && .PRELIMINARY POINT TEMPS/POPS... DALLAS-FT. WORTH, TX 79 99 80 97 74 / 20 10 10 20 40 WACO, TX 81 99 79 100 76 / 30 10 10 10 20 PARIS, TX 74 93 75 94 67 / 30 20 20 30 40 DENTON, TX 77 99 79 97 69 / 10 10 10 20 40 MCKINNEY, TX 76 97 78 97 69 / 20 10 10 20 40 DALLAS, TX 80 98 80 98 73 / 20 10 10 20 30 TERRELL, TX 78 97 76 99 72 / 30 20 20 20 30 CORSICANA, TX 78 96 77 98 73 / 30 20 20 10 20 TEMPLE, TX 77 97 77 98 75 / 30 10 10 10 10 && .FWD WATCHES/WARNINGS/ADVISORIES... NONE. && 82/05
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FORT WORTH TX 347 PM CDT TUE AUG 18 2009 TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-191100- 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- 347 PM CDT TUE AUG 18 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS. .DAY ONE...TONIGHT. ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED THROUGH THIS EVENING MAINLY IN AREAS EAST OF I-35 AND AREAS NORTH OF I-20. ISOLATED THUNDERSTORMS ARE ALSO POSSIBLE AFTER MIDNIGHT NORTHWEST OF A GRAHAM TO GAINESVILLE LINE. HEAVY RAIN...CLOUD TO GROUND LIGHTNING AND WIND GUSTS OVER 40 MPH MAY ACCOMPANY SOME OF THE STORMS THROUGH THIS EVENING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. THUNDERSTORMS ARE POSSIBLE WEDNESDAY THROUGH FRIDAY. BRIEF HEAVY RAIN...CLOUD TO GROUND LIGHTNING AND GUSTY WINDS WILL ACCOMPANY SOME OF THE STORMS. .SPOTTER INFORMATION STATEMENT... LIMITED SPOTTER ACTIVATION MAY BE REQUESTED EAST OF I-35 THROUGH SUNSET.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 636 PM CDT TUE AUG 18 2009 TXZ107-190000- HOPKINS TX- 636 PM CDT TUE AUG 18 2009 ...SIGNIFICANT WEATHER ADVISORY FOR... SOUTHERN HOPKINS COUNTY AT 635 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A STRONG THUNDERSTORM 6 MILES SOUTHEAST OF SULPHUR SPRINGS... STATIONARY. PEA-SIZED HAIL AND WIND GUSTS TO 50 MPH CAN BE EXPECTED FROM THIS STORM. IN ADDITION...VERY HEAVY RAIN MAY RESULT IN THE FLOODING OF LOW-LYING AREAS SUCH AS DITCHES AND UNDERPASSES. AVOID AREAS THAT TEND TO FLOOD READILY...AND TAKE ALTERNATE ROUTES. LAT...LON 3297 9565 3312 9572 3331 9530 3297 9531 TIME...MOT...LOC 2335Z 064DEG 0KT 3307 9554 25
The Dallas/Ft Worth radar (KFWS), 128 km away, was scanning. The volume nearest the first event began at 00:34 UTC.
1 thunderstorm wind. Local standard time, as filed.
Small limbs were knocked off trees in Greenville.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2009Every state in 2009This day in weather historyWarnings in Texas, August 2009
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: 192682.