Flash Flood Warning 7, NWS Houston/Galveston, TX

Issued

Jun 5, 2001, 7:40 PM CDT (00:40 UTC)

Expired

Jun 5, 2001, 10:30 PM CDT

In force

3 hr

Issued by

NWS Houston/Galveston, TX

Area

Whole counties; the outline is the Mesonet’s reconstruction

Counties Galveston County, TX, Harris County, TX

The Houston radar (KHGX), 12 km from the middle of the area, began a volume at 00:44 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 060042
FFWHOU
TXC167-201-060330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
740 PM CDT TUE JUN 5 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GALVESTON COUNTY IN SOUTHEAST TEXAS
  HARRIS COUNTY IN SOUTHEAST TEXAS

* UNTIL 1030 PM CDT

* AT 725 PM CDT...DOPPLER RADAR INDICATED VERY HEAVY RAINFALL 
CONTINUING   OVER NORTHERN GALVESTON AND SOUTHERN HARRIS COUNTIES. 
RAINFALL   AMOUNTS OF 2 TO 3 INCHES PER HOUR WILL CONTINUE IN THESE 
AREAS FOR THE   NEXT FEW HOURS. 

* FLOODING IS EXPECTED IN OR NEAR...
  DOWNTOWN HOUSTON...LEAGUE CITY...PASADENA...SANTA FE...            
  CLEAR LAKE...FRIENDSWOOD...SOUTHEAST HOUSTON

TRAVEL IS NOT RECOMMENDED IN THESE AREAS THIS EVENING. THE 
CIRCULATION WITH TROPICAL STORM ALLISON HAS BECOME NEARLY  
STATIONARY. TREMENDOUS RAINFALL AMOUNTS AND SEVERE FLOODING 
ARE POSSIBLE OVER HARRIS AND GALVESTON COUNTIES BY LATE TONIGHT.

REPORTS OF FLOODING AND ROAD CLOSURES SO FAR INCLUDE...

ROADS IN SANTA FE ARE FLOODED. FM 1764 IS IMPASSABLE BETWEEN HIGHWAY 
6 AND I-45. FM 646 HAS HIGH WATER AT HIGHWAY 6. 

WEST BOUND LANES OF BAY AREA BOULEVARD IS CLOSED BETWEEN I-45 AND 
HIGHWAY 3. IN LEAGUE CITY...SEVERAL SUBDIVISIONS ALONG FM 518 WEST 
OF I-45 ARE UNDER WATER AND IMPASSABLE. MANY ROADS IN FRIENDSWOOD 
ARE ALSO FLOODED. SAVE YOUR LIFE DO NOT DRIVE ACROSS A FLOODED 
ROADWAY.

SIGNIFICANT FLOODING IS OCCURRING ALONG I-45 BETWEEN HOBBY AIRPORT 
AND THE CLEAR LAKE AREA. SEVERAL EXITS AND STRETCHES OF FEEDER ROAD 
ARE FLOODED WITH CARS STRANDED.

RAINFALL TOTALS SO FAR THIS EVENING INCLUDE...

COWERT CREEK AT BAKER ROAD     10.59 INCHES
CLEAR CREEK AT BAY AREA BLVD    8.86 INCHES
CHIGGER CREEK AT WINDSONG       7.52 INCHES
CLOVER FIELD - PEARLAND         7.50 INCHES
NWS OFFICE IN LEAGUE CITY       6.75 INCHES
CLEAR CREEK AT US 288           5.83 INCHES
BERRY BAYOU AT NEVADA           5.59 INCHES
HOBBY AIRPORT                   4.58 INCHES
SUGARLAND                       0.93 INCHES

THE CORRIDOR OF HEAVIEST RAIN HAS FALLEN FROM SOUTH OF HOBBY AIRPORT 
TO LEAGUE CITY...BETWEEN I-45 AND STATE HIGHWAY 35. RAINFALL TOTALS 
OF 7 TO 10 INCHES HAVE BEEN COMMON IN THESE AREAS.

SMALL CREEKS...STREAMS...BAYOUS...UNDERPASSES...AND FEEDER ROADS MAY 
FLOOD QUICKLY. AVOID LOCATIONS WATER COVERS THE GROUND

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 2967 9511 2933 9507 2947 9517 2967 9527

NWS Houston/Galveston, TX wrote its last area forecast discussion before this flash flood warning went out at Jun 5, 2:45 PM CDT, 4 hours 55 minutes earlier.

SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
245 PM CDT TUE JUN 5 2001

THE TROPICAL SEASON IS UNDERWAY...AND WE HAVE THE MISFORTUNE OF
HAVING TO DEAL WITH THE FIRST ONE...ALLISON. HPC GUIDANCE TAKES THE
SYSTEM INLAND ACRS OUR SE COAST THIS EVENING. MAX WINDS AT PRESENT
50G60KT. QPF AMTS 5 INCHES PLUS AHD OF STORM. WON'T GO ON FOR PAGES
DISCUSSING PARTICULARS...SEE LATEST HPC GUIDANCE AND OUR HLS'S.

BEHIND ALLISON...AIRMASS REMAINS VERY MOIST. A LTL HEATING ON AN
ATMOSPHERE WITH PW VALUES AOA 2" SHD LEAD TO MORE CONVECTION TMRW
INTO TMRW NGT. WILL BE USING HIGH POPS RANGING FROM 50 NW TO CAT SE.
MOISTURE REMAINS NEARLY AS HIGH INTO THU. ETA SHOWS SOME IMPRESSIVE
UVV VALUES SRN ZONES. SO ANOTHER ROUND OF TSTMS LOOKS QUITE POSSIBLE
THU.

EFP LEFT UNCHANGED. MRF SHOWS LOWER MOISTURE LVLS BUT STILL ENOUGH
FOR ISOLD CONVECTION EACH DAY. RDG A LTL TOO FAR WEST FOR HIGH
CONFIDENCE THAT CAP WILL KEEP US COMPLETELY DRY EACH DAY.

.KHGX...FLASH FLOOD WATCH THRU WED ALONG AND E OF A LINE FROM
        NORMANGEE TO SWEENY.

        TROPICAL STORM WARNING SARGENT EWD.

        HIGH WIND WARNING MONTGOMERY...POLK...SAN JACINTO CO
        TNGT.

PRELIMS...
CLL TT 071/085 071/085 071 566
IAH TT 073/085 073/085 073 887
GLS TT 075/083 075/083 076 887

Flash Flood Warnings in Texas, 2001Every flash flood warning in 2001

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.