Alert archive / Texas / Flash Flood Watches in 2012
Flash Flood Watch 1, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this flash flood watch at Feb 3, 2012, 9:20 PM CST for 6 counties in Texas. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Feb 3, 2012, 9:20 PM CST (03:20 UTC)
- Expired
- Feb 4, 2012, 6:44 AM CST
- In force
- 9 hr
- Issued by
- NWS Houston/Galveston, TX
- Flood severity
- None
Counties Brazos County, TX, Burleson County, TX, Grimes County, TX, Madison County, TX, Walker County, TX, Washington County, TX
The radar
The Ft Hood radar (KGRK), 120 km from the middle of the area, began a volume at 03:22 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 3.3 hours before the alert went out and 271 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1201 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 959 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 209 m²/s²
- 0-3 km storm-relative helicity
- 218 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 8.9
What forecasters said that day
The local office's own words before this flash flood watch went out, 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 this flash flood watch went out at Feb 3, 9:03 PM CST, 17 minutes earlier.
Area forecast discussion, Feb 3, 9:03 PM CST, 17 minutes before
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</html>Hazardous weather outlook, Feb 3, 1:16 PM CST, 8 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 116 PM CST FRI FEB 3 2012 GMZ330-335-350-355-370-375-TXZ163-164-176>179-195>200-210>214-226- 227-235>238-041200- 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- 116 PM CST FRI FEB 3 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS. ...SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE NORTHERN HALF OF SOUTHEAST TEXAS... .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE THIS AFTERNOON FOR MUCH OF THE AREA AS THE AIRMASS REMAINS VERY MOIST AND UNSTABLE. A FEW STRONG OR SEVERE STORMS ARE POSSIBLE. THE MAIN RISK AREA FOR SEVERE THUNDERSTORMS IS ALONG AND NORTH OF BRENHAM TO CONROE TO LIVINGSTON LINE. WIDESPREAD SHOWERS AND THUNDERSTORMS WILL DEVELOP NEAR AND ALONG THE COLD FRONT AS IT APPROACHES LATE TONIGHT. LOCALLY HEAVY RAINFALL IS ALSO POSSIBLE ACROSS ALL OF SOUTHEAST TEXAS WITH RAINFALL AMOUNTS OF 1 TO 2 INCHES EXPECTED TO BE COMMON AND ISOLATED AMOUNTS OF 3 TO 5 INCHES POSSIBLE THROUGH SATURDAY MORNING. FOG...SOME DENSE ESPECIALLY NEAR THE BAYS AND NEARSHORE WATERS...IS POSSIBLE AGAIN TONIGHT. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THE LOCALLY HEAVY RAINFALL THREAT WILL CONTINUE THROUGH THE MORNING HOURS AHEAD OF A COLD FRONT THAT WILL MOVE THROUGH SOUTHEAST TEXAS PRIMARILY DURING THE MORNING HOURS. THE FRONT WILL REACH THE COAST LATE MORNING TO EARLY AFTERNOON ON SATURDAY. FOG WITH SOME DENSE AREAS ESPECIALLY NEAR THE BAYS AND NEARSHORE WATERS IS POSSIBLE UNTIL THE COLD FRONT MOVES THROUGH. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS POSSIBLE THIS AFTERNOON...TONIGHT...AND ON SATURDAY MORNING.
In the hours before
Local storm report, Feb 3, 5:19 PM CST, 4 hours 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
519 PM CST FRI FEB 03 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0506 PM HAIL 7 E CALDWELL 30.53N 96.59W
02/03/2012 M0.25 INCH BURLESON TX LAW ENFORCEMENT
PEA SIZED HAIL ON HIGHWAY 21 AT CR 240...7 MILES EAST OF
CALDWELL.
&&
DHELVYSpecial weather statement, Feb 3, 5:48 PM CST, 3 hours 32 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 548 PM CST FRI FEB 3 2012 TXZ195-196-040045- BRAZOS-BURLESON- 548 PM CST FRI FEB 3 2012 ...STRONG THUNDERSTORM OVER EASTERN BURLESON COUNTY... AT 543 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER CENTRAL AND EASTERN BURLESON COUNTY... MOVING NORTHEAST AT 10 MPH. HAIL UP TO DIME SIZED...FREQUENT CLOUD TO GROUND LIGHTNING...AND HEAVY DOWNPOURS...ARE LIKELY WITH THIS STORM. AVOID TALL OUTDOOR OBJECTS THAT CAN ATTRACT LIGHTNING. IF YOU ARE OUTDOORS AND HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. SEEK SHELTER IN A STURDY STRUCTURE OR NON-CONVERTIBLE AUTOMOBILE UNTIL THIS STORM HAS PASSED. DO NOT DRIVE OVER FLOODED ROADWAYS. LAT...LON 3069 9645 3058 9631 3051 9656 3057 9659 TIME...MOT...LOC 2346Z 235DEG 10KT 3058 9651
Local storm report, Feb 3, 6:52 PM CST, 2 hours 28 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
652 PM CST FRI FEB 03 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0506 PM HAIL 7 E CALDWELL 30.53N 96.59W
02/03/2012 M0.25 INCH BURLESON TX LAW ENFORCEMENT
PEA SIZED HAIL ON HIGHWAY 21 AT CR 240...7 MILES EAST OF
CALDWELL.
0648 PM TORNADO SNOOK 30.49N 96.47W
02/03/2012 BURLESON TX EMERGENCY MNGR
POSSIBLE TORNADO ON THE GROUND IN SNOOK...POWER LINES
DOWN.
&&
DHELVYLocal storm report, Feb 3, 7:49 PM CST, 1 hour 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
749 PM CST FRI FEB 03 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0720 PM HAIL COLLEGE STATION 30.60N 96.31W
02/03/2012 M1.00 INCH BRAZOS TX AMATEUR RADIO
QUARTER SIZED HAIL IN COLLEGE STATION AT MARION PUGH AND
GEORGE BUSH DRIVE...OTHER PEA SIZED HAIL REPORTS AT
BAZELL STREET AND LINCOLN AVENUE.
0735 PM HAIL COLLEGE STATION 30.60N 96.31W
02/03/2012 M1.00 INCH BRAZOS TX AMATEUR RADIO
ONE INCH HAIL CAUSED A BROKEN WINDOW ON HOME AT MARION
PUGH AND GEORGE BUSH DRIVE.
0735 PM FLASH FLOOD COLLEGE STATION 30.60N 96.31W
02/03/2012 BRAZOS TX AMATEUR RADIO
THE BASEMENT OF THE COMMONS DORMITORY ON A AND M CAMPUS
IS FLOODED.
0738 PM HAIL COLLEGE STATION 30.60N 96.31W
02/03/2012 M2.00 INCH BRAZOS TX NWS EMPLOYEE
2.25 INCH HAIL JUST NORTH OF THE A AND M CAMPUS
&&
DHELVYLocal storm report, Feb 3, 7:59 PM CST, 1 hour 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
759 PM CST FRI FEB 03 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0750 PM FLASH FLOOD COLLEGE STATION 30.60N 96.31W
02/03/2012 BRAZOS TX AMATEUR RADIO
BIZZELL STREET ON THE A AND M CAMPUS IS UNDER 2 TO 3 FEET
OF RAIN WATER.
&&
DHELVYLocal storm report, Feb 3, 8:10 PM CST, 1 hour 10 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
810 PM CST FRI FEB 03 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0506 PM HAIL 7 E CALDWELL 30.53N 96.59W
02/03/2012 M0.25 INCH BURLESON TX LAW ENFORCEMENT
PEA SIZED HAIL ON HIGHWAY 21 AT CR 240...7 MILES EAST OF
CALDWELL.
0648 PM TORNADO SNOOK 30.49N 96.47W
02/03/2012 BURLESON TX EMERGENCY MNGR
POSSIBLE TORNADO ON THE GROUND IN SNOOK...POWER LINES
DOWN.
0720 PM HAIL COLLEGE STATION 30.60N 96.31W
02/03/2012 M1.00 INCH BRAZOS TX AMATEUR RADIO
QUARTER SIZED HAIL IN COLLEGE STATION AT MARION PUGH AND
GEORGE BUSH DRIVE...OTHER PEA SIZED HAIL REPORTS AT
BIZZELL STREET AND LINCOLN AVENUE.
0735 PM FLASH FLOOD COLLEGE STATION 30.60N 96.31W
02/03/2012 BRAZOS TX AMATEUR RADIO
THE BASEMENT OF THE COMMONS DORMITORY ON A AND M CAMPUS
IS FLOODED.
0735 PM HAIL COLLEGE STATION 30.60N 96.31W
02/03/2012 M1.00 INCH BRAZOS TX AMATEUR RADIO
ONE INCH HAIL CAUSED A BROKEN WINDOW ON HOME AT MARION
PUGH AND GEORGE BUSH DRIVE.
0738 PM HAIL COLLEGE STATION 30.60N 96.31W
02/03/2012 M2.00 INCH BRAZOS TX NWS EMPLOYEE
2.25 INCH HAIL JUST NORTH OF THE A AND M CAMPUS.
0750 PM FLASH FLOOD COLLEGE STATION 30.60N 96.31W
02/03/2012 BRAZOS TX AMATEUR RADIO
BIZZELL STREET ON THE A AND M CAMPUS IS UNDER 2 TO 3 FEET
OF RAIN WATER.
0738 PM TSTM WND DMG COLLEGE STATION 30.60N 96.31W
02/03/2012 BRAZOS TX BROADCAST MEDIA
POWER POLES DOWN ON ASHFORD ROAD AND FINFEATHER ROAD.
&&
PKUHN
DHELVYThe office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 3, 6:16 PM CST | Areal Flood Advisory | HGX | Brazos | 3 hr |
| Feb 3, 6:36 PM CST | Tornado Warning | HGX | Brazos, Burleson | 24 min |
| Feb 3, 7:00 PM CST | Tornado Warning | HGX | Brazos, Burleson | 30 min |
| Feb 3, 7:05 PM CST | Flash Flood Warning | HGX | Brazos, Burleson | 3 hr |
| Feb 3, 7:28 PM CST | Severe Thunderstorm Warning | HGX | Brazos, Grimes | 47 min |
| Feb 3, 7:47 PM CST | Areal Flood Advisory | HGX | Brazos, Grimes | 118 min |
| Feb 3, 7:53 PM CST | River Flood Warning | HGX | Montgomery | 16 hr |
| Feb 3, 8:15 PM CST | Marine Dense Fog Advisory | HGX | 7 hr | |
| Feb 3, 10:14 PM CST | Special Weather Statement | HGX | Madison | 61 min |
| Feb 3, 10:35 PM CST | Areal Flood Advisory | HGX | Brazos, Grimes, Madison | 115 min |
| Feb 3, 10:54 PM CST | Flash Flood Warning | HGX | Brazos, Grimes, Madison | 74 min |
| Feb 3, 11:22 PM CST | Special Weather Statement | HGX | Madison | 53 min |
| Feb 4, 12:25 AM CST | Areal Flood Advisory | HGX | Grimes, Houston, Madison, Walker | 65 min |
| Feb 4, 1:24 AM CST | Areal Flood Advisory | HGX | Houston, Madison, Trinity, Walker | 66 min |
| Feb 4, 1:36 AM CST | Flash Flood Warning | HGX | Brazos, Burleson, Grimes, Madison | 114 min |
| Feb 4, 2:24 AM CST | Flash Flood Warning | HGX | Grimes, Houston, Madison, Trinity, Walker | 2 hr |
| Feb 4, 3:13 AM CST | Marine Dense Fog Advisory | HGX | 9 hr | |
| Feb 4, 3:25 AM CST | Flash Flood Warning | HGX | Brazos, Burleson, Grimes, Washington | 2 hr |
| Feb 4, 6:09 AM CST | Areal Flood Advisory | HGX | Brazos, Burleson, Grimes, Houston, Liberty, Madison and 6 more | 3 hr |
| Feb 4, 7:22 AM CST | River Flood Warning | HGX | Burleson, Lee | 3 days |
| Feb 4, 8:14 AM CST | River Flood Warning | HGX | Trinity, Walker | 51 hr |
| Feb 4, 9:11 AM CST | Special Marine Warning | HGX | 2 hr | |
| Feb 4, 9:56 AM CST | River Flood Warning | HGX | Harris, Liberty | 4 days |
| Feb 4, 10:15 AM CST | Special Marine Warning | HGX | 2 hr | |
| Feb 4, 10:20 AM CST | Special Weather Statement | HGX | Galveston | 25 min |
| Feb 4, 3:28 PM CST | Small Craft Advisory | HGX | 36 hr |
Nearby
Flash Flood Watches in Texas, 2012Every flash flood watch in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.