Flash Flood Warning 25, NWS Houston/Galveston, TX

Issued

Sep 4, 2003, 3:15 PM CDT (20:15 UTC)

Expired

Sep 4, 2003, 5:15 PM CDT

In force

2 hr

Issued by

NWS Houston/Galveston, TX

Area

Counties, with a storm outline in the text

County Brazoria County, TX

The Houston radar (KHGX), 41 km from the middle of the area, began a volume at 20:16 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.

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

000 
WGUS54 KHGX 042020
FFWHOU
TXC039-042215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
315 PM CDT THU SEP 4 2003

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN BRAZORIA COUNTY IN SOUTHEAST TEXAS

* UNTIL 515 PM CDT

* AT 315 PM CDT...DOPPLER RADAR INDICATED CLUSTERS OF VERY HEAVY 
RAINFALL ACROSS SOUTHERN PORTIONS OF BRAZORIA COUNTY WITH LITTLE 
MOVEMENT EXPECTED. RAINFALL RATES UP TO 2.5 INCHES PER HOUR ARE 
COMMON IN THE STRONGER STORMS. STREET FLOODING...UP TO BUMPER 
HIGH...HAS BEEN REPORTED IN THE LAKE JACKSON AREA. WATER WAS ALSO 
BEGINNING TO THREATEN SOME OF THE LOWER LYING HOMES IN THE WINDING 
WOODS SUBDIVISION. EXPECT ANOTHER 1 TO 3 INCHES OF RAINFALL IN 
SOUTHERN BRAZORIA COUNTY BY 515 PM.    

* FLOODING IS EXPECTED IN OR NEAR...
  RICHWOOD...OYSTER CREEK...LAKE JACKSON...JONES CREEK

DO NOT CROSS ANY LOCATION WHERE WATER COVERS THE ROAD

PLEASE REPORT FLOODING TO THE COUNTY SHERIFF...LOCAL POLICE...OR
DEPARTMENT OF PUBLIC SAFETY. THEY WILL RELAY YOUR REPORT TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 2937 9519 2915 9506 2883 9548 2910 9560

$$

NWS Houston/Galveston, TX wrote its last area forecast discussion before this flash flood warning went out at Sep 4, 2:30 PM CDT, 45 minutes earlier.

SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
230 PM CDT THU SEP 4 2003

SCATTERED SHRA/TSRA INDICATED OVER EASTERN AND SOUTHWEST ZONES OF
CWFA. EXPECT SCATTERED CONVECTION SPREADING REST OF REGION EXCEPT
POSSIBLY NW ZONES BY LATE AFTERNOON. WATER VAPOR LOOP INDICATE TUTT
LOW OVER WESTERN GULF WHILE TROPICAL DEPRESSION IS CHURNING OVER
THE NE GULF. 60S SFC DEWPOINTS NOW FILTERING IN OVER NE TEXAS AS
WEAK NORTHERLY FLOW CONTINUES. BUOYS 035 AND 019 REPORTING NEARLY
SMOOTH SEAS W/NORTH WINDS AT 4 KTS. GRADUAL DRYING OF AIR MASS OVER REGION
WILL BE FROM NE TO SW DUE TO ORIENTATION OF SURFACE RIDGE. MODELS ARE
SHOWING MOISTURE POOLING OVER SW ZONES FRIDAY MORNING. TUTT LOW IS
INDICATED BY ETA MOVING NORTH AND THEN LINGERING NEAR THE SABINE
REGION THIS WEEKEND. WE EXPECT SOME MID/HIGH LEVEL CLOUDS OVER REGION
FRIDAY AND SATURDAY...THINNING BY SUNDAY AS UPPER TROUGH MOVES SLIGHTLY
TO THE EAST. LOWER LEVELS WILL BE DRY THIS WEEKEND THOUGH AS SURFACE
HIGH PRESSURE DOMINATE. WITH DEWPOINTS DROPPING TO THE 60S THIS
WEEKEND...WE EXPECT MIN TEMPS TO FOLLOW. HOWEVER ...DAYTIME HIGHS
SHOULD BE CLOSE TO SEASONAL NORMS. GRADUAL INCREASE IN MOISTURE IS
EXPECTED NEXT WEEK. GFS IS SHOWING WEAK MID LEVEL TROUGH DEVELOPING
OVER REGION BY THE MIDDLE OF NEXT WEEK. WE SHALL LEAVE SLIGHT CHANCE
POPS FOR THAT PERIOD.

37/47

.HGX...NONE.

CLL 070/090 065/091 064 21-
IAH 071/090 066/090 065 32-
GLS 077/087 072/086 072 321

GMZ330-335-350-355-370-375-TXZ163-164-176>179-195>200-210>214-226-227-
235>238-051200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
638 AM CDT THU SEP 4 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST TEXAS.

.DAY ONE...TODAY AND TONIGHT.
SCATTERED SHOWERS AND THUNDERSTORMS WILL ONCE AGAIN DEVELOP ACROSS
SOUTHEAST TEXAS TODAY. WITH A VERY MOIST AIR MASS IN PLACE...SOME OF
THE STORMS WILL HAVE THE POTENTIAL TO PRODUCE VERY HEAVY RAINFALL...
PARTICULARLY ALONG AND SOUTH OF INTERSTATE 10. A FEW OF THE STORMS
WILL HAVE BRIEF GUSTY WINDS. OTHERWISE...NO HAZARDOUS WEATHER IS
ANTICIPATED.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
NO HAZARDOUS WEATHER IS ANTICIPATED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED.

Flash Flood Warnings in Texas, 2003Every flash flood warning in 2003

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.