Flash Flood Warning 49, NWS Houston/Galveston, TX

Issued

May 24, 1997, 9:35 PM CDT (02:35 UTC)

Expired

May 25, 1997, 12:30 AM CDT

In force

3 hr

Issued by

NWS Houston/Galveston, TX

Area

Whole counties

County Harris County, TX

The Houston radar (KHGX), 52 km from the middle of the area, began a volume at 02:36 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 250234
FFWHOU
TXC201-250530-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
935 PM CDT SAT MAY 24 1997
 
THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1230 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST TEXAS
 
   ...HARRIS COUNTY
 
AT 925 PM CDT...DOPPLER RADAR INDICATED LIGHT SHOWERS CONTINUING TO
FALL OVER SECTIONS OF NORTHERN HARRIS COUNTY. A STRONG LINE OF
THUNDERSTORMS WAS BEGINNING TO WEAKEN ALONG A SMITH POINT IN CHAMBERS
COUNTY TO PEARLAND AS THEY APPROACH GALVESTON ISLAND.
 
SEVERAL BAYOU'S AND STREAMS REMAIN OVERBANK AT THIS HOUR NECESSITATING
THE EXTENSION OF THE FLOOD AND FLASH FLOOD WARNING. HUNTING BAYOU AT
HUTCHINS AND LOCKWOOD REMAINS 2.5 FEET ABOVE ITS BANK WITH HALLS BAYOU
AT JENSEN ROAD STILL 4 FEET OVERBANK WITH FLOODING OF THE IMMEDIATE AREA
CONTINUING...INCLUDING BUSINESS AND HOMES. GARNER BAYOU AT THE BELTWAY 8
WAS NEAR 3 FEET OVER BANK AND CYPRESS CREEK AT GRANTS ROAD REMAINS
RIGHT AT BANKFULL AND SHOULD BEGIN TO RECEDE...ALTHOUGH CYORESS CREEK
MAY REMAIN OUT OF BANKS IN SOME AREAS DOWNSTREAM.  ALL OTHER BAYOUS
AND STREAMS WERE RETURNING TO NORMAL.
 
MOTORISTS ON THE OTHER HAND MAY EXPERIENCE CONTINUED PONDING ON MANY
ROADWAYS TONIGHT.  ROADS SHOULD BEGIN TO RETURN TO NORMAL LATER TONIGHT
AS WATER RECEDES. BUT...MOTORIST SHOULD EXPECT DELAYS AND DETOURS IF
TRAVEL IS NECESSARY IN NORTHERN HARRIS COUNTY TONIGHT.
 
 
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 SNUBJECT TO FLOODING WHEN WATER
BEGINS RISING.
 
 
 
&

NWS Houston/Galveston, TX wrote its last area forecast discussion before this flash flood warning went out at May 24, 8:33 PM CDT, 1 hour 2 minutes earlier.

SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
832 PM CDT SAT MAY 24 1997

TSTMS THAT FIRED UP ALONG THE SEABREEZE AND THE OLD OUTFLOW BNDRY
WERE STILL AFFECTING THE CSTL COUNTIES AT THIS HR IN THE FA.  AFOS
GENERATED STABILITY INDICES INDICATED THAT THE AIR WAS STILL VERY
UNSTABLE ALONG THE CST...WITH THE LI AT -10 AT CRP AND THE PW/S
APRCHG 1.8 TO 2 INCHES.  THE LINE OF STRMS HAS SLOWED DOWN AND CAN
STILL XPC SOME TSTMS WITH HVY PRECIP THRU MIDNIGHT AT THE CST AND
ENDING BEFORE OR BY MIDNIGHT ONE MORE TIER OF COUNTIES INLAND FM THE
CST.  THE STG S/W THAT HAS BEEN A MAJOR CONTRIBUTOR TO THESE TSTMS IS
FCST TO MOV NE OF THE FA LATER TONIGHT.  THIS CAN ALSO BE SEEN ON THE
H7 LVL THAT SHOWS A TROF MOVG THRU SETX BY 12Z.  THUS...CAN WORD THE
UPDATE AS SHRAS OR TSTMS ENDING.  WL STILL NEED TO KEEP IN THE HVY
PCPN AND ISOL SVR.  40

UPDATED PRELIMS...
CLL   E/E-B B/B 67/90 69/93 6222
IAH T-E/E-B B/B 70/B90 73/92 6222 (+R/SVR WX ENDING THIS EVE SRN PTNS)
GLS T-E/E-B B/B 74/84 75/86 2222 (+R/SVR WX ENDING BY MIDNIGHT)

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.