Colliding outflow boundaries from afternoon showers and thunderstorms produced some wind damage.
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 HGX wrote it up.
Colliding outflow boundaries from afternoon showers and thunderstorms produced some wind damage.
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 Houston/Galveston, TX wrote its last area forecast discussion before the first event at Aug 15, 2:04 PM CST, 2 hours 1 minute earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 304 PM CDT FRI AUG 15 2008 .DISCUSSION... DEEP MOIST AIRMASS HAS SURGED INTO SE TX WITH PRECIP WATER VALUES AROUND 2 INCHES OR MORE. THIS HAS LED TO RAIN RATES OF 1 TO 2 INCHES AN HOUR. STORMS ARE MOVING AROUND 15 MPH SO FLASH FLOODING HAS NOT BEEN AN ISSUE. OUTFLOW BOUNDARIES FROM PREVIOUS CONVECTION CONTINUE TO INITIATE NEW THUNDERSTORM ACTIVITY OVER THE AREA. OUTFLOW HAS ALSO COME DOWN FROM N TX FROM EARLIER CONVECTION WHICH HAS SET UP STRONG SFC CONVERGENCE ACROSS SE TX. THUNDERSTORM ACTIVITY SHOULD CONTINUE THROUGH THE EVENING AND LIKELY WEAKEN WITH THE LOSS OF DAYTIME HEATING. A WET FORECAST IS STILL EXPECTED THROUGH THE MIDDLE OF THE WEEK. THE MAIN QUESTION WILL BE HOW WET. UPPER AIR ANALYSIS FROM THIS MORNING DEPICTS AN UPPER LEVEL LOW OVER THE CENTRAL ROCKIES WITH NW FLOW ALOFT OVER TX. WEAK SFC FRONTAL BOUNDARY NOW OVER N TX WILL ALSO SLOWLY SLIDE INTO THE AREA OVER THE NEXT COUPLE OF DAYS. THE FORECAST HINGES ON THE EVOLUTION OF THIS UPPER LEVEL LOW AND HOW FAR SOUTH THE FRONT SLIDES. THE 12Z MODELS ARE STILL IN SOME FAIR AGREEMENT THROUGH TUESDAY. THE DIFFERENCES COME FROM COMPARING THE MODELS TO PREVIOUS RUNS. MODELS NOW BRING SFC FRONT FARTHER SOUTH INTO SE TX WITH MORE EASTERLY SFC FLOW. THE UPPER LOW ALSO REMAINS IN THE ROCKIES LONGER AND THEN SLIDES TOWARDS THE RED RIVER SUN INTO MON. THIS EFFECTIVELY INCREASES THE SHEAR AND UPPER LEVEL SUPPORT FOR THUNDERSTORM ACTIVITY. THE FRONTAL BOUNDARY WILL ALSO REMAIN A FOCUS FOR CONVECTIVE ACTIVITY. STILL...GFS IS NOW TRYING TO BRING IN SOME SLIGHTLY DRIER AIR IN BEHIND THE FRONT WHICH RESULTS IN LOWER POPS FOR THE WEEKEND. THE FORECAST WILL STILL KEEP 50 POPS AS FROM THE PREVIOUS FORECAST. POSSIBLE THAT POPS COULD STILL BE MORE THAN THAT SHOULD THE SYNOPTIC PATTERN PROGGED BY THE MODELS VERIFY. BOTH THE 12Z GFS AND ECMWF HOLD ONTO THE UPPER LOW OVER N TX THROUGH WED AND THEN GRADUALLY LIFT IT INTO THE MIDWEST AS THE NEXT TROUGH DIGS INTO THE PAC NW. GIVEN THIS PATTERN...WILL CONTINUE AT LEAST 40 POPS THROUGH TUE WITH SLIGHTLY LOWER CHANCES AFTER THAT THROUGH THE END OF THE WEEK. AFTER THAT SOME SLIGHT RIDGING BUILD IN TO DRY THINGS OUT. TEMPERATURES FOR THE FORECAST WILL REMAIN CLOSE TO THE PREVIOUS PACKAGE. THE GFS MEX GUIDANCE FOR IAH IS ABOUT 5 DEGREES COOLER THAN THE PREVIOUS RUNS FOR THE WEEKEND AND EARLY NEXT WEEK. THE FORECAST WILL KEEP MAX TEMPS IN THE LOWER 90S OR NEAR 90 WITH GUIDANCE RUNNING IN THE 80S. && .AVIATION... CURRENT SHRA/TSRA ACTIVITY SHOULD COME TO AN END LATER THIS AFTERNOON OR EARLY THIS EVENING. ABUNDANT MOISTURE...WET GROUNDS AND LIGHT WINDS COULD LEAD TO SOME MVFR/IFR LOW CLOUD AND FOG FORMATION OVERNIGHT TONIGHT. WILL CARRY LATE NIGHT AND EARLY MORNING VCSH NEAR THE COAST. EXPECT PERIODS OF SHRA/TSRA THROUGH THE WEEKEND. 42 && .MARINE... EXPECT TO GENERALLY SEE SOUTH WINDS BETWEEN 5 AND 15 KNOTS ALONG WITH 2 TO 4 FOOT SEAS FOR THE NEXT SEVERAL DAYS. SPEED AND DIRECTION CHANGES ARE POSSIBLE ESPECIALLY IN AND NEAR SHOWERS/THUNDERSTORMS THAT SHOULD CONTINUE ON AND OFF THROUGHOUT THE WEEKEND. 42 && .PRELIMINARY POINT TEMPS/POPS... COLLEGE STATION (CLL) 75 93 75 91 74 / 20 50 30 50 30 HOUSTON (IAH) 76 92 75 91 75 / 20 50 30 50 30 GALVESTON (GLS) 80 88 79 88 79 / 20 50 30 40 20 && .HGX WATCHES/WARNINGS/ADVISORIES... TX...NONE. GM...NONE. && DISCUSSION...39 AVIATION/MARINE...42
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 348 AM CDT FRI AUG 15 2008 TXZ163-164-176>179-195>200-210>214-226-227-235>238-161200- AUSTIN-BRAZORIA-BRAZOS-BURLESON-CHAMBERS-COLORADO-FORT BEND- GALVESTON-GRIMES-HARRIS-HOUSTON-JACKSON-LIBERTY-MADISON-MATAGORDA- MONTGOMERY-POLK-SAN JACINTO-TRINITY-WALKER-WALLER-WASHINGTON- WHARTON- 348 AM CDT FRI AUG 15 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS. .DAY ONE...TODAY AND TONIGHT AN UPPER LEVEL DISTURBANCE WILL COMBINE WITH INCREASING MOISTURE AND DAYTIME HEATING TO PRODUCE SCATTERED THUNDERSTORMS MAINLY THIS AFTERNOON. THE THUNDERSTORMS WILL FOCUS ALONG AN OUTFLOW BOUNDARY APPROACHING FROM THE NORTH AND THE SEABREEZE. THE STRONGER STORMS WILL BE CAPABLE OF PRODUCING CLOUD TO GROUND LIGHTNING...BRIEF HEAVY RAINFALL...AND WIND GUSTS OF 40 MPH. THE POTENTIAL EXISTS FOR ONE OR TWO STORMS TO BRIEFLY BECOME SEVERE WITH A THREAT OF DOWNBURST WINDS. .DAYS TWO THROUGH FIVE...SATURDAY THROUGH TUESDAY A SERIES OF UPPER LEVEL DISTURBANCES WILL COMBINE WITH DAYTIME HEATING TO PRODUCE SCATTERED THUNDERSTORMS OVER SOUTHEAST TEXAS EACH DAY. THE MAIN THREAT FROM THE STORMS WILL BE LOCALLY HEAVY DOWNPOURS WHICH COULD RESULT IN BRIEF MINOR FLOODING. THE STRONGER STORMS WILL ALSO BE CAPABLE OF PRODUCING CLOUD TO GROUND LIGHTNING AND WIND GUSTS OF 40 MPH. .DAYS SIX THROUGH SEVEN...WEDNESDAY THROUGH THURSDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
The Ft Hood radar (KGRK), 68 km away, was scanning. The volume nearest the first event began at 21:59 UTC.
1 thunderstorm wind. Local standard time, as filed.
Thunderstorm winds downed trees and power lines along FM 111.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2008Every state in 2008This day in weather historyWarnings in Texas, August 2008
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: 132133.