Flash Flood Warning 31, NWS Houston/Galveston, TX

Issued

Apr 11, 1997, 2:28 AM CDT (07:28 UTC)

Expired

Apr 11, 1997, 5:30 AM CDT

In force

3 hr

Issued by

NWS Houston/Galveston, TX

Area

Whole counties

Counties Fort Bend County, TX, Wharton County, TX

The Houston radar (KHGX), 89 km from the middle of the area, began a volume at 07:29 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 
TTAA00 KHOU 110728
FFWHOU
TXC481-157-111030-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
228 AM CDT FRI APR 11 1997
 
THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  530 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL TEXAS
 
   ...WHARTON COUNTY
 
IN SOUTHEAST TEXAS
 
   ...FORT BEND COUNTY
 
AT 225 AM...NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF STRONG
TO SEVERE THUNDERSTORMS FROM NEAR RICHMOND TO EL CAMPO MOVING SLOWLY
EAST AT 15 MPH. STORM SPOTTER REPORTS IN WHARTON COUNTY INDICATE 5
INCHES OF RAIN OVER THE CITY OF WHARTON. AN ADDITIONAL 3 TO 5 INCHES OF
RAIN ARE POSSIBLE WITH THESE THUNDERSTORMS IN A SHORT AMOUNT OF TIME.
FLASH FLOODING IS LIKELY.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO
RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH
FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD
WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER
BEGINS RISING.
 
 
 
&

NWS Houston/Galveston, TX wrote its last area forecast discussion before this flash flood warning went out at Apr 11, 1:22 AM CDT, 1 hour 6 minutes earlier.

SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
120 AM CDT FRI APR 11 1997
...VERY DANGEROUS FLOODING SITUTATION UNDERWAY...

MCS THAT MOVED INTO THE SW ZONES SHOULD SLOW IN ITS NORTHEASTWARD
MOVEMENT AND BEGIN TO TURN MORE EAST AFTER 3 AM.  LOW LEVEL/MESOSCALE
FEATURES INDICATING THAT SIGNIFICANT TRAINING WILL BE A PROBLEM
THROUGH 12Z.  AND TO TOP IT ALL OFF IT APPEARS FROM WATER VAPOR THAT
OUTFLOW JET BECOMING PRONOUNCED ON THE WEST SIDE OF THE COMPLEX
HELPING IN THE ORGANIZATION.  RADAR ALREADY INDICATING STORM TOTAL
RAINFALL ACCUMULATIONS OF AROUND 5 INCHES NEAR EL CAMPO AND 9 TO 10
INCHES NEAR HALLETSVILLE! (SOME OF THE PRECIP OVER THESE AREAS MAY BE
GETTING SOME HAIL CONTAMINATION...ALTHOUGH SO FAR NO GROUNDTRUTH BACK
OF HAIL WITH THESE STORMS.)  ALSO OF NOTE THE VERY STRONG MESO ALONG
THE SLOW MOVING PSEUDO WARM FRONT OVER WATER.  AT THIS RATE NOT ONLY
WILL WE HAVE FLOODING PROBLEMS BUT SEVERE AS WELL.  WILL NEED TO
EXPAND FFA A LITTLE FURTHER NORTH AND MUCH FURTHER EAST AND ADD
MENTION OF SEVERE FOR A LARGE PART OF THE AREA...ALTHOUGH THE SPEED
SHEAR IS NOT TREMENDOUS THE TURNING IS IMPRESSIVE AND THE CAPE IS
RATHER APPARENT BY LOOKING AT THE REFLECTIVITY MAXIMA ALOFT A NUMBER
OF STORMS DEVELOPING STRONG MESOS OVER THE SW ZONES.

LATEST 3HR PRECIP ESTIMATES RUNNING IN EXCESS OF 7 INCHES.

45
WILL FOLLOW WITH TEMPS AND POPS AS TIME PERMITS.

Flash Flood Warnings in Texas, 1997Every flash flood warning in 1997

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.