Some funnel clouds were sighted from storms moving inland.
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.
Some funnel clouds were sighted from storms moving inland.
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 12, 3:52 AM CST, 5 hours 8 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 452 AM CDT WED SEP 12 2012 .DISCUSSION... STRONG WAA/MOISTURE RETURN HAS BROUGHT SCT SHRA TO THE SRN HALF OF SE TX LAST NIGHT. THIS PATTERN EXPECTED TO REMAIN IN PLACE FOR THE NEXT FEW DAYS WITH GULF MOISTURE DEEPENING THROUGHOUT. THIS SHOULD HELP TO INCREASE POPS BY THE END OF THE WEEK ACROSS OUR FA. ALL OF THIS SEEMS TO BE A PRELUDE TO A RATHER WET WEEKEND AS A COLD FRONT AND AN ASSOCIATED COASTAL SFC LOW IN/ACROSS THE REGION. THIS FRONT FCST TO STALL AT/NEAR THE COAST SAT WITH A LOW PROGGED TO DEVELOP/ FORM ALONG THE BOUNDARY AND MOVE UP THE COAST ON SUN. MODELS ARE A BIT HINKY WITH THE TIMING OF CLEARING...SO HAVE OPTED TO GO SLOWER (KEEPING POPS IN THE FCST THRU MON). THE MAIN UNCERTAINTY SEEMS TO BE HOW WE ARE GOING TO GET PCPN RATHER THAN IF WE ARE GOING TO GET PCPN. (I.E. ALL SIGNS POINT TO A WET WEEKEND.) 41 && .MARINE... WARM FRONT OVER THE COASTAL AREAS EARLY THIS MORNING LIFTING NORTH TODAY WILL DEEPEN THE MOISTURE ACROSS THE UPPER TEXAS COASTAL WATERS LEADING TO SCATTERED SHOWERS AND THUNDERSTORMS. CAPE OF 2000-3500 J/KG THIS MORNING WITH A SLIGHTLY BACKED LL FLOW COULD POSE A THREAT OF TROPICAL FUNNEL CLOUDS ESPECIALLY IN THE AREAS TO THE EAST OF FREEPORT THROUGH HIGH ISLAND. EASTERLY FLOW DEVELOPING TONIGHT AND THURSDAY AS HIGH PRESSURE TO THE NORTHEAST STEERS FLOW WITH A COLD FRONT SLIPPING SOUTH ACROSS THE RED RIVER AND INTO THE UPPER TEXAS NEARSHORE WATERS SATURDAY AFTERNOON OR SUNDAY MORNING. GFS/ECMWF DIFFER DRAMATICALLY BY MONDAY AND FAVORING THE ECMWF SOLUTION WITH A STATIONARY FRONTAL BOUNDARY WITH FRONTAL WAVES IN THE COASTAL WATERS. 45 && .AVIATION... SHORT TERM EXPECT THAT SHOWERS WILL CONTINUE TO DEVELOP IN THE LEADING EDGE OF THE DEEPER MOISTURE ALONG THE WARM FRONT THIS MORNING OVER THE HOU-GLS TERMINALS THEN SPREAD INLAND LATE MORNING AND BEYOND. SOME PATCHY MVFR CIGS POSSIBLE THIS MORNING THOUGH PRIMARILY ASSOCIATED WITH THE PASSING SHOWERS. VCSH SHOULD COVER IT FOR NOW WITH TEMPO SHRA CONDITIONS AT LBX/GLS/SGR/HOU BETWEEN 10- 14Z GIVEN THE CURRENT TRENDS ON RADAR. SHOWERS AND THUNDERSTORMS PROBABILITY INCREASING MID TO LATE MORNING NEAR IAH AND THEN THROUGH THE AFTERNOON. EASTERLY FLOW THIS MORNING BECOMING SSE AS MOIST FLOW DEEPENS THEN BACKS OVERNIGHT WITH SCATTERED SHRA/ISO TSRA AGAIN THURSDAY MORNING. 45 && .PRELIMINARY POINT TEMPS/POPS... COLLEGE STATION (CLL) 92 74 91 72 88 / 20 20 40 50 50 HOUSTON (IAH) 90 74 90 72 88 / 30 30 40 40 50 GALVESTON (GLS) 88 79 88 78 87 / 30 30 40 40 50 && .HGX WATCHES/WARNINGS/ADVISORIES... TX...NONE. GM...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 743 AM CDT WED SEP 12 2012 TXZ163-164-176>179-195>199-210>212-131245- AUSTIN-BRAZOS-BURLESON-COLORADO-GRIMES-HOUSTON-MADISON-MONTGOMERY- POLK-SAN JACINTO-TRINITY-WALKER-WALLER-WASHINGTON- 743 AM CDT WED SEP 12 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS. .DAY ONE...TODAY AND TONIGHT HAZARDOUS WEATHER IS NOT EXPECTED. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY GULF MOISTURE SHOULD INCREASE TOMORROW THROUGH THE END OF THE WEEK. A FRONT IS EXPECTED TO PUSH INTO THE AREA LATE FRIDAY. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED THURSDAY THROUGH THE WEEKEND WITH THE FRONT AND GULF MOISTURE IN SOUTHEAST TEXAS. RAINFALL TOTALS SHOULD APPROACH A HALF INCH TO AN INCH ACROSS THE REGION WITH BRIEF PERIODS OF LOCALLY HEAVY RAINFALL IN A FEW ISOLATED LOCATIONS. OVERALL FLOODING IS NOT EXPECTED EXCEPT IN LOW LYING AREAS WITH BRIEF HEAVY RAINFALL. RAIN CHANCES SHOULD COME TO AN END EARLY NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED. GMZ330-335-350-355-370-375-TXZ200-213-214-226-227-235>238-131245- BRAZORIA-CHAMBERS-FORT BEND-GALVESTON-GALVESTON BAY-HARRIS- JACKSON-LIBERTY-MATAGORDA-MATAGORDA BAY- 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- 743 AM CDT WED SEP 12 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS. .DAY ONE...TODAY AND TONIGHT SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL BE DEVELOPING OVER THE COASTAL WATERS AND MOVING INLAND TODAY. WIND SHEAR THIS MORNING IN THE LOWEST LEVELS OF THE ATMOSPHERE WILL BECOME FAVORABLE FOR THE FORMATION OF BRIEF FUNNEL CLOUDS ACROSS THE COASTAL WATERS AND AREAS MAINLY ALONG AND SOUTH OF THE HIGHWAY 59 CORRIDOR. OTHERWISE...HAZARDOUS WEATHER IS NOT EXPECTED. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY GULF MOISTURE SHOULD INCREASE THROUGH THE END OF THE WEEK. A FRONTAL BOUNDARY IS EXPECTED TO PUSH INTO THE AREA LATE FRIDAY AND STALL NEAR THE COAST SATURDAY. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED THURSDAY THROUGH THE WEEKEND WITH THE FRONT AND GULF MOISTURE IN SOUTHEAST TEXAS. RAINFALL TOTALS SHOULD APPROACH A HALF INCH TO AN INCH ACROSS THE REGION WITH BRIEF PERIODS OF LOCALLY HEAVY RAINFALL IN A FEW ISOLATED LOCATIONS. OVERALL FLOODING IS NOT EXPECTED EXCEPT IN LOW LYING AREAS WITH BRIEF HEAVY RAINFALL. RAIN CHANCES SHOULD COME TO AN END EARLY NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED.
The Houston radar (KHGX), 49 km away, was scanning. The volume nearest the first event began at 14:59 UTC.
2 funnel cloud. Local standard time, as filed.
A funnel cloud was sighted at the Brazoria National Wildlife Refuge near the intersection of FM 2004 and FM 523.
A funnel cloud was sighted near the intersection of Highway 6 and Highway 35.
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, September 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: 407515, 407518.