Flash Flood Warning 9, NWS Houston/Galveston, TX

Issued

May 19, 2000, 11:33 PM CDT (04:33 UTC)

Expired

May 20, 2000, 2:30 AM CDT

In force

3 hr

Issued by

NWS Houston/Galveston, TX

Area

Whole counties; the outline is the Mesonet’s reconstruction

County Brazoria County, TX

The Houston radar (KHGX), 50 km from the middle of the area, began a volume at 04:33 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.

000 
WGUS54 KHGX 200437
FFWHGX
TXC039-200730-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1133 PM CDT FRI MAY 19 2000

THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS ISSUED A

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

* UNTIL 230 AM CDT

* AT 1127 PM CDT...DOPPLER RADAR INDICATED A LARGE AREA OF VERY
  HEAVY RAIN OVER NORTHWESTERN HALF OF BRAZORIA COUNTY. THIS AREA
  OF RAIN HAS SHOWN VERY LITTLE MOVEMENT IN THE LAST COUPLE OF HOURS.
  5 TO 6 INCHES OF RAIN HAVE ALREADY FALLEN THIS EVENING AND ANOTHER
  3 TO 4 INCHES ARE POSSIBLE.

* FLOODING IS EXPECTED IN OR NEAR...
  ANGLETON...DANBURY...HOLIDAY LAKES...SWEENY

FLASH FLOODING IS IMMINENT OR OCCURRING IN SMALL CREEKS...STREAMS...
BAYOUS AND ADJACENT FARMLAND. FARM-TO-MARKET OR OTHER SECONDARY ROADS
MAY BE FLOODED. DO NOT CROSS ANY LOCATION WHERE WATER COVERS THE
ROAD!

USE EXTRA CAUTION AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS
OF FLASH FLOODS.

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 2946 9538 2915 9532 2899 9577 2925 9580

NWS Houston/Galveston, TX wrote its last area forecast discussion before this flash flood warning went out at May 19, 8:46 PM CDT, 2 hours 47 minutes earlier.

SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
846 PM CDT FRI MAY 19 2000

QUITE A BIT OF RAIN FOR PARTS OF THE FA ALREADY THIS EVENING. AREAS
NEAR IAH HAVE RECEIVED AT LEAST 6 OF RAIN SINCE ABOUT 5 PM AND THE
APPROACH CONTROL BUILDING AT IAH REPORTED ABOUT 1 OF WATER IN THE
BUILDING AT ONE POINT. MOST OF THESE HEAVY RAINS HAVE MOVED OFF AS
THE JUNCTION OF CELL MERGERS HAVE ALSO MOVED OFF TO THE NE.

FOR THE REMAINDER OF TONIGHT WE COULD STILL BE IN FOR A BUMPY RIDE.
A N-S LINE OF STRONG/SEVERE TSRA DEVELOPING OVER SW/SC TX AS DEEP
MOISTURE/SPOTTY PCPN CONTINUES TO PUSH NORTH FROM THE GULF. EVENING
SOUNDINGS FROM THE AREA INDICATED A VERY WEAK CAP ALONG WITH A
FAIRLY STRONG S/SELY CLIP AT THE LOWER LEVELS. AMS ALSO APPEARS
QUITE UNSTABLE (-9 LI AT CRP) CLOSER TO THE COAST. IN ADDITION...
THERE ARE LIKELY A LOT OF LEFT-OVER MESO BOUNDARIES AROUND THE AREA.
THUS WILL EXTEND THE FFA FOR ALL OF THE CWA AND KEEP THE MENTION OF
SEVERE ALL THE WAY AROUND. 41/47/30/42/48/36

.KHGX...FLASH FLOOD WATCH TONIGHT ALL SE TX.

CLL TT 068/084 067/087 068 8534
IAH CE 071/085 069/087 070 8434
GLS CE 075/083 073/083 075 6434

Flash Flood Warnings in Texas, 2000Every flash flood warning in 2000

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.