Alert archive / Texas / Flash Flood Warnings in 2010
Flash Flood Warning 7, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this flash flood warning at Jun 9, 2010, 10:57 AM CDT for 5 counties in Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 9, 2010, 10:57 AM CDT (15:57 UTC)
- Expired
- Jun 9, 2010, 2:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Houston/Galveston, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Brazos County, TX, Burleson County, TX, Grimes County, TX, Madison County, TX, Washington County, TX
The radar
The Ft Hood radar (KGRK), 110 km from the middle of the area, began a volume at 15:59 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
Lake Charles Mun, LA (KLCH), launched 12:00Z, 4.0 hours before the alert went out and 297 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
- 3174 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 576 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.8
What forecasters said that day
The local office's own words before this flash flood warning 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 warning went out at Jun 9, 10:16 AM CDT, 41 minutes earlier.
Area forecast discussion, Jun 9, 10:16 AM CDT, 41 minutes before
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</html>Hazardous weather outlook, Jun 9, 8:19 AM CDT, 2 hours 38 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 819 AM CDT WED JUN 9 2010 TXZ163-176-195>198-210-211-101200- AUSTIN-BRAZOS-BURLESON-COLORADO-GRIMES-HOUSTON-MADISON-WASHINGTON- 819 AM CDT WED JUN 9 2010 ...SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY... ...FLOOD WATCH IN EFFECT THROUGH THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS. .DAY ONE...TODAY AND TONIGHT SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ASSOCIATED WITH AN UPPER LOW OVER THE TEXAS HILL COUNTRY WILL MOVE ACROSS THE AREA THIS MORNING AND LIKELY PERSIST THROUGH MUCH OF THIS AFTERNOON. DAMAGING WINDS AND ISOLATED TORNADOES ARE POSSIBLE IN THE STRONGER STORMS. WITH THE UPPER LOW IS EXPECTED TO REMAIN TO OUR WEST...THERE IS A CHANCE THAT THE SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP THROUGH TONIGHT. WIDESPREAD RAINFALL TOTALS OF 1 TO 3 INCHES ARE EXPECTED BY LATE TONIGHT MAINLY ALONG AND WEST OF A LINE FROM CROCKETT TO NAVASOTA TO COLUMBUS. LOCALLY HIGHER AMOUNTS...POSSIBLY EXCEEDING 5 INCHES...ARE POSSIBLE. .DAY TWO...THURSDAY AS THE UPPER LOW MOVES NORTHWARD AWAY FROM THE AREA...ISOLATED TO SCATTERED STRONG THUNDERSTORMS WILL BE POSSIBLE. RAINFALL AMOUNTS GENERALLY LESS THAN 1 ARE EXPECTED. THE STORMS ARE EXPECTED TO END BY THE EVENING. .DAYS THREE THROUGH SEVEN...FRIDAY THROUGH TUESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE REQUIRED TODAY. GMZ330-335-350-355-TXZ164-177>179-199-200-212>214-226-227-235>238- 101200- BRAZORIA-CHAMBERS-FORT BEND-GALVESTON-GALVESTON BAY-HARRIS- JACKSON-LIBERTY-MATAGORDA-MATAGORDA BAY-MONTGOMERY-POLK- SAN JACINTO-TRINITY-WALKER-WALLER- WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT 20 NM- WATERS FROM HIGH ISLAND TO FREEPORT OUT 20 NM-WHARTON- 819 AM CDT WED JUN 9 2010 ...SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS. .DAY ONE...TODAY AND TONIGHT SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE AREA TODAY. THIS ACTIVITY WILL LIKELY PERSIST THROUGH THE AFTERNOON HOURS. DAMAGING WINDS AND ISOLATED TORNADOES ARE POSSIBLE IN THE STRONGER STORMS. SINCE UPPER LOW OVER THE HILL COUNTRY IS EXPECTED TO REMAIN TO OUR WEST...THERE IS A CHANCE THAT THE SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP THROUGH TONIGHT. RAINFALL TOTALS IN THE STRONGER STORMS ARE EXPECTED TO AVERAGE 1 TO 3 INCHES. .DAY TWO...THURSDAY AS THE UPPER LOW MOVES NORTHWARD AWAY FROM THE AREA...ISOLATED TO SCATTERED STRONG THUNDERSTORMS WILL BE POSSIBLE. RAINFALL AMOUNTS GENERALLY LESS THAN 1 ARE EXPECTED. THE STORMS ARE EXPECTED TO END BY THE EVENING. .DAYS THREE THROUGH SEVEN...FRIDAY THROUGH TUESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED TODAY.
In the hours before
Special weather statement, Jun 9, 5:43 AM CDT, 5 hours 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
543 AM CDT WED JUN 9 2010
TXZ177-198-199-091145-
GRIMES-MONTGOMERY-WALKER-
543 AM CDT WED JUN 9 2010
...SIGNIFICANT WEATHER ADVISORY...
AT 539 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER SOUTH CENTRAL GRIMES COUNTY...MOVING
NORTHEAST AT 20 MPH.
WINDS GREATER THAN 40 MPH AND BRIEF HEAVY DOWNPOURS ARE POSSIBLE
WITH THIS STORM.
LOCATIONS IN THE PATH OF THIS STORM INCLUDE...RICHARDS...
PLANTERSVILLE...DOBBIN...DACUS...AND TODD MISSION.
GUSTY WINDS MAY CAUSE UNSECURED SMALL OBJECTS SUCH AS TRASH CANS TO
BLOW AROUND. SEEK SHELTER IN A STURDY STRUCTURE OR NON-CONVERTIBLE
AUTOMOBILE UNTIL THIS STORM HAS PASSED.
LAT...LON 3069 9553 3024 9583 3024 9589 3030 9603
3080 9581
TIME...MOT...LOC 1042Z 206DEG 19KT 3034 9589Special weather statement, Jun 9, 9:07 AM CDT, 1 hour 50 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
907 AM CDT WED JUN 9 2010
TXZ163-164-176>178-198-091500-
GRIMES-HOUSTON-MADISON-SAN JACINTO-TRINITY-WALKER-
907 AM CDT WED JUN 9 2010
...SIGNIFICANT WEATHER ADVISORY...
AT 903 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 14 MILES SOUTHEAST OF MADISONVILLE...MOVING
NORTHEAST AT 30 MPH.
FUNNEL CLOUDS...WINDS GREATER THAN 40 MPH...FREQUENT CLOUD TO GROUND
LIGHTNING...BRIEF HEAVY DOWNPOURS...ARE POSSIBLE WITH THIS STORM.
LOCATIONS IN THE PATH OF THIS STORM INCLUDE...CRABBS PRAIRIE...
BEDIAS...AUSTONIO...RIVERSIDE...POINT BLANK...OAKHURST...MIDWAY...
MADISONVILLE...LOVELADY AND HUNTSVILLE.
GUSTY WINDS MAY CAUSE UNSECURED SMALL OBJECTS SUCH AS TRASH CANS TO
BLOW AROUND. 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-CONVERTABLE AUTOMOBILE UNTIL THIS STORM HAS PASSED.
A TORNADO WATCH IS IN EFFECT UNTIL 3 PM FOR THE AREA.
A FLOOD WATCH IS IN EFFECT UNTIL 7 PM FOR THE AREA.
LAT...LON 3136 9531 3070 9517 3061 9601 3106 9605
3110 9594 3111 9578 3114 9578 3116 9575
3117 9574 3119 9574
TIME...MOT...LOC 1406Z 234DEG 24KT 3087 9569Special weather statement, Jun 9, 10:22 AM CDT, 35 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1022 AM CDT WED JUN 9 2010
TXZ163-164-177-091615-
HOUSTON-TRINITY-WALKER-
1022 AM CDT WED JUN 9 2010
...SIGNIFICANT WEATHER ADVISORY...
AT 1017 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 19 MILES NORTHWEST OF APPLE SPRINGS...MOVING
NORTHEAST AT 25 MPH.
FUNNEL CLOUDS...WINDS GREATER THAN 40 MPH...CONTINUOUS CLOUD TO
GROUND LIGHTNING...VERY HEAVY DOWNPOURS...ARE POSSIBLE WITH THIS
STORM.
LOCATIONS IN THE PATH OF THIS STORM INCLUDE...WECHES...PENNINGTON...
APPLE SPRINGS...LOVELADY...LATEXO...KENNARD AND CROCKETT.
GUSTY WINDS MAY CAUSE UNSECURED SMALL OBJECTS SUCH AS TRASH CANS TO
BLOW AROUND. AVOID TALL OUTDOOR OBJECTS THAT CAN ATTRACT LIGHTNING
AND DO NOT USE ELECTRICAL APPLIANCES OR A CORDED TELEPHONE A THE
LIGHTNING THREAT HAS PASSED. SEEK SHELTER IN A STURDY STRUCTURE OR
NON-CONVERTIBLE AUTOMOBILE UNTIL THIS STORM HAS PASSED.
A TORNADO WATCH IS IN EFFECT UNTIL 3 PM FOR THE AREA.
A FLOOD WATCH IS IN EFFECT UNTIL 7 PM FOR THE AREA.
LAT...LON 3158 9524 3159 9517 3153 9510 3148 9510
3147 9506 3145 9504 3144 9500 3115 9486
3087 9549 3153 9557 3159 9542 3160 9529
3160 9527
TIME...MOT...LOC 1522Z 206DEG 24KT 3146 9515The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 4:57 AM CDT | Flood Watch | HGX | Austin, Brazos, Burleson, Colorado, Grimes, Houston and 8 more | 34 hr |
| Jun 9, 5:43 AM CDT | Special Weather Statement | HGX | Grimes | 62 min |
| Jun 9, 7:12 AM CDT | Tornado Warning | HGX | Grimes, Montgomery, Walker | 24 min |
| Jun 9, 7:57 AM CDT | Tornado Warning | HGX | Houston, Madison, Walker | 33 min |
| Jun 9, 8:29 AM CDT | Tornado Warning | HGX | Houston, Trinity, Walker | 31 min |
| Jun 9, 8:58 AM CDT | Flash Flood Warning | HGX | Brazos, Burleson, Grimes, Washington | 2 hr |
| Jun 9, 9:07 AM CDT | Special Weather Statement | HGX | Madison, Walker | 53 min |
| Jun 9, 10:22 AM CDT | Special Weather Statement | HGX | Houston, Trinity | 53 min |
| Jun 9, 10:40 AM CDT | Severe Thunderstorm Warning | HGX | Austin, Colorado, Washington | 65 min |
| Jun 9, 11:42 AM CDT | Special Weather Statement | HGX | Brazos | 63 min |
| Jun 9, 12:40 PM CDT | Severe Thunderstorm Warning | HGX | Grimes, Montgomery, Walker | 50 min |
| Jun 9, 12:46 PM CDT | Tornado Warning | HGX | Montgomery | 29 min |
| Jun 9, 1:54 PM CDT | Flash Flood Warning | HGX | Brazos, Burleson, Grimes, Madison, Washington | 111 min |
| Jun 9, 2:50 PM CDT | Severe Thunderstorm Warning | HGX | Liberty, Polk, San Jacinto | 40 min |
| Jun 9, 4:26 PM CDT | River Flood Warning | HGX | Burleson, Washington | 18 hr |
| Jun 9, 4:26 PM CDT | River Flood Warning | HGX | Burleson, Lee | 18 hr |
| Jun 9, 4:26 PM CDT | River Flood Warning | HGX | Burleson, Lee | 45 hr |
| Jun 9, 4:51 PM CDT | Areal Flood Advisory | HGX | Brazos, Burleson, Grimes, Madison, Walker | 114 min |
| Jun 9, 6:05 PM CDT | Flash Flood Warning | HGX | Brazos, Grimes, Madison, Walker | 115 min |
Nearby
Flash Flood Warnings in Texas, 2010Every flash flood warning in 2010
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.