Flash Flood Warning 10, NWS Houston/Galveston, TX

Issued

May 20, 2000, 12:00 AM CDT (05:00 UTC)

Expired

May 20, 2000, 5:00 AM CDT

In force

5 hr

Issued by

NWS Houston/Galveston, TX

Area

Whole counties; the outline is the Mesonet’s reconstruction

Counties Brazoria County, TX, Chambers County, TX, Fort Bend County, TX, Harris County, TX, Liberty County, TX, Waller County, TX, Wharton County, TX

The Houston radar (KHGX), 43 km from the middle of the area, began a volume at 05:02 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 200510
FFWHGX
TXC039-071-157-201-291-473-481-201000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1200 AM CDT SAT MAY 20 2000

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

* FLASH FLOOD WARNING FOR...
  WALLER COUNTY IN SOUTHEAST TEXAS
  HARRIS COUNTY IN SOUTHEAST TEXAS
  BRAZORIA COUNTY IN SOUTHEAST TEXAS
  LIBERTY COUNTY IN SOUTHEAST TEXAS
  CHAMBERS COUNTY IN SOUTHEAST TEXAS
  WHARTON COUNTY IN SOUTHEAST TEXAS
  FORT BEND COUNTY IN SOUTHEAST TEXAS

* UNTIL 500 AM CDT

* AT 1203 PM CDT...DOPPLER RADAR INDICATED VERY HEAVY RAINFALL.

* FLOODING IS EXPECTED IN ...
  THESE COUNTIES...AREAS ESPECIALLY HARD HIT INCLUDE EASTERN HARRIS
  SOUTHERN LIBERTY...WESTERN BRAZORIA AND WALLER COUNTIES.

RAINFALL ESTIMATES AND SPOTTERS INDICATE THAT TORRENTIAL RAINFALL
HAS OCCURRED THE LAST FEW HOURS. SPOTTERS HAVE REPORTED AMOUNTS OF 6
TO 7 INCHES IN HARRIS AND LIBERTY.  RADAR ESTIMATES INDICATE THAT
AREAS ALONG AND SOUTH OF US90 IN LIBERTY COUNTY HAVE RECEIVED 6 TO 9
INCHES OR RAINFALL.

A LARGE CLUSTER OF SHOWERS AND THUNDERSTORMS WITH VERY HEAVY
RAINFALL WILL CONTINUE TO DEVELOP OVER WHARTON...FORT BEND AND
BRAZORIA AND SPREAD OVER HARRIS...LIBERTY AND CHAMBERS COUNTIES.
ADDITIONAL ACCUMULATIONS OF 2 TO 6 INCHES CAN BE EXPECTED.

RIVERS AND BAYOUS ARE ON THE RISE...RIVER FLOOD WARNINGS MAY BE
NEEDED.

TRAVEL SHOULD BE AVOIDED...DO NOT CROSS FLOODED ROADWAYS!!!

FLOODING IS IMMINENT OR OCCURRING! MOVE TO HIGHER GROUND IMMEDIATELY!
TAKE IMMEDIATE ACTION TO PROTECT YOUR LIFE AND PROPERTY IF YOU LIVE
ALONG A STREAM...CREEK...OR BAYOU IN THESE AREAS. DO NOT CROSS ANY
LOCATION WHERE WATER COVERS THE ROAD.

FLASH FLOODING IS IMMINENT OR OCCURRING IN SMALL CREEKS...STREAMS...
BAYOUS...UNDERPASSES...AND FEEDER ROADS. 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. 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 3004 9524 3035 9476 3004 9449 2976 9460
          2960 9521 2896 9555 2922 9634 2964 9602
          3009 9605

NWS Houston/Galveston, TX wrote its last area forecast discussion before this flash flood warning went out at May 19, 8:46 PM CDT, 3 hours 14 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.