FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON UNTY IN SOUTHEAST TEXAS   HARRIS COUNTY IN SOUTHEAST TEXAS

* UNTIL 1030 PM CDT

* AT 725 PM CDT...DOPPLER RADAR INDICATED VERY HEAVY RAINFAL   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