A pulse storm that developed over Harris County produced a tree-damaging downburst wind.
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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.
A pulse storm that developed over Harris County produced a tree-damaging downburst wind.
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 Sep 4, 2:13 PM CST, 9 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 313 PM CDT TUE SEP 4 2007 .DISCUSSION...SHOWERS AND THUNDERSTORMS CONTINUE TO DEVELOP ACROSS SOUTHERN PORTIONS OF THE CWA THIS AFTERNOON AND THIS ACTIVITY SHOULD CONTINUE TO MOVE NORTHWARD THROUGH THE REST OF THE AFTERNOON INTO EARLY EVENING. ONCE THE SUN GOES DOWN...THE CONVECTION SHOULD BEGIN TO DIMINISH. LOW TO MID LEVEL MOISTURE WILL REMAIN HIGH ACROSS MOST OF THE CENTRAL PORTIONS OF THE STATE TONIGHT INTO WEDNESDAY AS HURRICANE HENRIETTE NEAR THE SOUTHERN TIP OF BAJA CALIFORNIA MOVES NORTHWARD WITH MID/HIGH LEVEL MOISTURE CONTINUING TO STREAM NORTHEAST ACROSS MEXICO INTO SOUTHWEST TEXAS. A 500MB SHORTWAVE TROUGH IS PROGGED TO DEVELOP ACROSS THE SOUTHERN PLAINS WEDNESDAY AND THIS FEATURE WILL PROVIDE ANOTHER ROUND OF CONVECTION ACROSS CENTRAL AND EAST TX WED AFTERNOON. AS THE SHORTWAVE LIFTS NORTHEAST...THE 500MB RIDGE OVER THE GULF OF MEXICO SHOULD BUILD INTO SOUTHEAST TX IN THE WAKE OF THE TROUGH AND PROVIDE A DECREASE IN RAIN CHANCES THURSDAY AND FRIDAY. A 500MB TROUGH ACROSS THE NORTHWEST UNITED STATES WEDNESDAY WILL MOVE INTO THE NORTHERN PLAINS THURSDAY AS THE REMAINS OF HENRIETTE LINGER ACROSS NORTHERN MEXICO. A FRONTAL BOUNDARY IS PROGGED TO MOVE ACROSS THE NORTH CENTRAL U.S. THURS NIGHT. THE 12Z GFS HAS BACKED OFF ON A WEAK COLD FRONT MOVING INTO SOUTHEAST TX THIS WEEKEND. INSTEAD IT HAS A BOUNDARY STALLING ACROSS NORTH TX SATURDAY WITH A SURFACE LOW DEVELOPING ALONG THE FRONT ACROSS NORTHEAST TX SUNDAY. THIS ALLOWS MOISTURE TO POOL ACROSS EAST TX BUT THE BEST RAIN CHANCES SHOULD BE MAINLY NORTH OF THE CWA SO WILL KEEP POPS HIGHER NORTH THAN SOUTH THROUGH THE WEEKEND. A CHANCE OF SHOWERS AND THUNDERSTORMS LINGERS INTO EARLY NEXT WEEK AS HIGH PRESSURE ACROSS THE NORTHEAST U.S. KEEPS A WEAK BOUNDARY DRAPED ACROSS THE SOUTHEAST U.S. THROUGH THE REST OF THE PERIOD. 32 && .MARINE... A STRENGTHENING PRESSURE GRADIENT WILL ALLOW WINDS TO INCREASE AND SEA HEIGHTS TO BUILD FOR THE REMAINDER OF THE WEEK. THE GRADIENT WILL RELAX AGAIN OVER THE WEEKEND. A WEAK FRONT WILL APPROACH THE AREA EARLY NEXT WEEK BUT THE FRONT IS EXPECTED TO STALL NORTH OF THE COASTAL WATERS. 43 && .AVIATION... AFTERNOON TSRA BEGINNING TO DEVELOP BUT THE PRECIPITATION IS NOT AS WELL ORGANIZED AS YESTERDAY. SCATTERED STORMS WILL CONTINUE TO DEVELOP AND SPREAD INLAND BEFORE DISSIPATING SHORTLY AFTER SUNSET. WET GROUND WILL LIKELY YIELD SOME FOG AND LOW CLOUDS OVERNIGHT. PWS DRY OUT A BIT FOR WEDNESDAY AND NOT SURE HOW WIDESPREAD SHRA/TSRA ACTIVITY WILL BE. AT THIS TIME...WILL MENTION VCSH FOR COASTAL SITES DURING THE LATE MORNING. 43 && .PRELIMINARY POINT TEMPS/POPS... COLLEGE STATION (CLL) 73 87 75 91 76 / 40 60 50 40 10 HOUSTON (IAH) 75 87 77 90 77 / 20 50 30 40 10 GALVESTON (GLS) 80 88 80 89 81 / 20 30 20 30 20 && .HGX WATCHES/WARNINGS/ADVISORIES... TX...NONE. GM...NONE. && DISCUSSION...32 AVIATION/MARINE...43
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 420 AM CDT TUE SEP 4 2007 GMZ330-335-350-355-370-375-TXZ163-164-176>179-195>200-210>214-226- 227-235>238-051200- AUSTIN-BRAZORIA-BRAZOS-BURLESON-CHAMBERS-COLORADO-FORT BEND- GALVESTON-GALVESTON BAY-GRIMES-HARRIS-HOUSTON-JACKSON-LIBERTY- MADISON-MATAGORDA-MATAGORDA BAY-MONTGOMERY-POLK-SAN JACINTO- TRINITY-WALKER-WALLER-WASHINGTON- WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL 20 NM TO 60 NM- WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT 20 NM- WATERS FROM HIGH ISLAND TO FREEPORT 20 TO 60 NM- WATERS FROM HIGH ISLAND TO FREEPORT OUT 20 NM-WHARTON- 420 AM CDT TUE SEP 4 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS. .DAY ONE...TODAY AND TONIGHT ABUNDANT MOISTURE IN PLACE OVER OUR REGION IN COMBINATION WITH AN APPROACHING UPPER LEVEL DISTURBANCE WILL RESULT IN SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ESPECIALLY THIS AFTERNOON. RAINFALL AMOUNTS OF 1/2 TO ONE INCH CAN BE EXPECTED WITH ISOLATED TOTALS OF 2 TO 4 INCHES FROM THE STRONGER STORMS. LOCALLY HEAVY RAINFALL AND MINOR FLOODING IS A POSSIBILITY. .DAYS TWO AND THREE...WEDNESDAY AND THURSDAY THE COMBINATION OF AN APPROACHING UPPER LEVEL TROUGH OF LOW PRESSURE...DAYTIME HEATING...AND ABUNDANT TROPICAL MOISTURE WILL RESULT IN SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS DEVELOPING OVER SOUTHEAST TEXAS EACH DAY. ADDITIONAL RAINFALL AMOUNTS OF 1/2 TO 1 INCH ARE LIKELY EACH DAY...WITH ISOLATED TOTALS OF 2 TO 4 INCHES IN THE HEAVIER STORMS. LOCALLY HEAVY RAINFALL AND MINOR FLOODING WILL BE POSSIBLE. .DAYS FOUR THROUGH SEVEN... HAZARDOUS WEATHER IS NOT ANTICIPATED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
The Houston radar (KHGX), 71 km away, was scanning. The volume nearest the first event began at 20:22 UTC.
1 thunderstorm wind. Local standard time, as filed.
Tree limb damage near Cypress Creek and Interstate 45.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2007Every state in 2007This day in weather historyWarnings in Texas, September 2007
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: 60171.