Alert archive / Texas / Flash Flood Warnings in 2006

Flash Flood Warning 36, NWS Houston/Galveston, TX

September 18, 20065 counties in Texas

NWS Houston/Galveston, TX issued this flash flood warning at Sep 18, 2006, 2:56 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: Sep 18, 2006, 2:56 AM CDT (07:56 UTC)
Expired: Sep 18, 2006, 6:00 AM CDT
In force: 3 hr
Issued by: NWS Houston/Galveston, TX
Area: Counties, with a storm outline in the text

Counties Brazos County, TX, Grimes County, TX, Trinity County, TX, Walker County, TX, Washington County, TX

The radar

The Ft Hood radar (KGRK), 144 km from the middle of the area, began a volume at 07:58 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.

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 Sep 17, 9:51 PM CDT, 5 hours 5 minutes earlier.

Area forecast discussion, Sep 17, 9:51 PM CDT, 5 hours 5 minutes before

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Hazardous weather outlook, Sep 17, 3:55 PM CDT, 11 hours 1 minute before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
355 PM CDT SUN SEP 17 2006

TXZ163-164-176>179-195>200-210>214-226-227-235>238-181230-
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-
355 PM CDT SUN SEP 17 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS.

...FLOOD WATCH IN EFFECT FOR SOUTHEAST TEXAS TONIGHT INTO MONDAY
MORNING...

.DAY ONE AND TWO...TONIGHT AND MONDAY

A COMBINATION OF TROPICAL MOISTURE FROM THE REMAINS OF TROPICAL
DEPRESSION LANE OVER MEXICO AND GULF MOISTURE STREAMING INTO THE
REGION WILL HELP TO FUEL NUMEROUS TO WIDESPREAD SHOWERS AND
THUNDERSTORMS TONIGHT THROUGH MONDAY MORNING. AN UPPER LEVEL STORM
SYSTEM OVER THE PLAINS WILL SHIFT EAST AND LIFT THIS MOISTURE
NORTHWARDS WHILE DRIVING A COLD FRONT SOUTH INTO SOUTHEAST TEXAS
LATE TONIGHT INTO MONDAY MORNING. THIS FRONT SHOULD PROVIDE
ADDITIONAL LIFT TO CAUSE A LARGE SWATH OF SHOWERS AND
THUNDERSTORMS TO DEVELOP TO THE WEST OF THE REGION AND SLOWLY
TRAVERSE THE AREA. THESE STORMS WILL BE CAPABLE OF SUSTAINED HEAVY
DOWNPOURS...BRINGING RAINFALL ACCUMULATIONS OF 1 TO 3 INCHES WITH
ISOLATED AMOUNTS OF 3 TO 5 INCHES. A FLOOD WATCH IS IN EFFECT FROM
MIDNIGHT TONIGHT THROUGH NOON MONDAY.

IN ADDITION...A MARGINAL THREAT OF SEVERE WEATHER STILL EXISTS
TONIGHT INTO MONDAY AHEAD OF THE FRONT. STRONG WINDS IN THE LOWER
PORTIONS OF THE ATMOSPHERE THAT VEER FROM SOUTH TO WEST WITH
HEIGHT MAY LEAD TO A THREAT OF SHORT LIVED TORNADOES OR POSSIBLY
MICROBURSTS.

THE RAIN SHOULD END FROM WEST TO EAST BY MONDAY AFTERNOON AS THE
FRONT PUSHES OUT INTO THE GULF OF MEXICO.

.DAY THREE THROUGH SEVEN...TUESDAY THROUGH SATURDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TONIGHT INTO MONDAY MORNING.

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 18, 3:42 AM CDT	Special Marine Warning	HGX		63 min
Sep 18, 5:19 AM CDT	Severe Thunderstorm Warning	HGX	Brazoria, Galveston	26 min
Sep 18, 5:20 AM CDT	Special Marine Warning	HGX		85 min
Sep 18, 5:46 AM CDT	Severe Thunderstorm Warning	HGX	Brazoria, Galveston	44 min

Nearby

Flash Flood Warnings in Texas, 2006 Every flash flood warning in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.