

000 

WGUS74 KHGX 080417

FFSHOU

TXZ163-164-176>179-195>200-210>214-226-227-235>238-081100-



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX

1115 PM CDT THU JUN 7 2001



..A FLASH FLOOD WATCH CONTINUES IN EFFECT FOR ALL OF SOUTHEAST 

TEXAS THROUGH TONIGHT...



...THE FLASH FLOOD WARNING IN EFFECT FOR LIBERTY COUNTY EXPIRED AT 

11 PM...



...FLASH FLOOD WARNINGS REMAIN IN EFFECT FOR HOUSTON COUNTY UNTIL 

1130 PM AND FOR WALKER COUNTY UNTIL 145 AM... 



COUNTIES IN THE WATCH AREA INCLUDE...

AUSTIN...BRAZOS...BRAZORIA...BURLESON...CHAMBERS...COLORADO...FORT

BEND...GALVESTON...GRIMES...HARRIS...HOUSTON...JACKSON...LIBERTY...

MADISON...MATAGORDA...MONTGOMERY...POLK...SAN JACINTO...TRINITY...

WALLER...WALKER...WASHINGTON AND WHARTON.



AT 11 PM... SHOWERS AND THUNDERSTORMS PRODUCING HEAVY RAIN CONTINUED 

OVER MUCH OF THE AREA TO THE NORTH OF THE REMAINS OF TROPICAL 

DEPRESSION ALLISON... A BROAD CIRCULATION NOW CENTERED ROUGHLY 

NORTHWEST OF THE CONROE AREA.  THE HEAVIEST RAINS CONTINUED IN 

HOUSTON AND WALKER COUNTIES.  THE FLASH FLOOD IN EFFECT FOR HOUSTON 

COUNTY UNTIL 1130 PM IS EXPECTED TO BE EXTENDED DUE TO CONTINUED 

HEAVY RAINS.  ADDITIONALLY... ALTHOUGH THE FLASH FLOOD WARNING FOR 

LIBERTY COUNTY WAS ALLOWED TO EXPIRE AT 11 PM AS THUNDERSTORMS MOVED 

NORTHEAST INTO HARDIN COUNTY... NEW STORMS FIRING IN GALVESTON AND 

CHAMBERS COUNTIES MAY WARRANT A RE-ISSUANCE LATER TONIGHT. RADAR 

PRECIPITATION ESTIMATES INDICATE THAT THE HEAVIER SHOWERS IN WALKER 

AND HOUSTON COUNTIES ARE PRODUCING RAINFALL RATES OF UP TO 2 INCHES 

PER HOUR... AND BOTH OF THESE COUNTIES HAVE RECEIVED COPIOUS RAINS 

IN THE PAST TWO DAYS... FROM 5 TO 7 INCHES... SO THAT THE ADDITIONAL 

RAINS POSE AN IMMEDIATE FLASH FLOODING THREAT.



BETWEEN MIDNIGHT AND 6 AM... THE MOST LIKELY AREAS FOR CONTINUED 

HEAVY RAIN WILL BE IN HOUSTON... WALKER... AND POSSIBLY BURLESON 

COUNTIES.  NEW HEAVY RAIN DEVELOPMENT WILL BE MOST LIKELY  EAST 

OF U.S.59 THROUGH FROM POLK COUNTY THROUGH HARRIS COUNTY AND EAST OF 

HIGHWAY 288 THROUGH BRAZORIA COUNTY. 



THE REMNANTS OF TROPICAL DEPRESSION ALLISON ARE EXPECTED TO CONTINUE 

A SLOW DRIFT TO THE SOUTH SOUTHWEST ACROSS THE NORTHERN AND WESTERN 

PORTIONS OF SOUTHEAST TEXAS THROUGH FRIDAY MORNING. SHOWERS AND 

THUNDERSTORMS WILL CONTINUE IN AND AROUND THE CIRCULATION CENTER 

NEAR AND ALONG THE TRACK OF THE LOW...WITH BANDS OF SHOWERS AND 

THUNDERSTORMS SOUTHEAST AND EAST OF THE LOW CENTER. MOST LOCATIONS 

WILL SEE RAINFALL AMOUNTS OF ONE HALF TO ONE INCH.

  

HOWEVER...RAINFALL AMOUNTS OF 5 TO 10 INCHES ARE POSSIBLE WHERE RAIN 

BANDS TRAIN OVER THE SAME LOCATIONS. 



WIDESPREAD HEAVY RAINFALL OVER THE PAST THREE DAYS HAS LEFT THE SOIL 

SATURATED AND MANY STREAMS AND BAYOUS AT OR NEAR BANKFULL. THIS 

MEANS IT WILL TAKE LESS RAINFALL THAN NORMAL TO PRODUCE RAPID 

PONDING OR RUNOFF AND FLASH FLOODING OF STREAMS.



THIS CONTINUES TO BE A POTENTIALLY DANGEROUS SITUATION REMEMBER...DO

NOT DRIVE INTO FLOODED AREAS. IT IS DIFFICULT TO ASSESS THE DEPTH OF 

WATER OVER ROADWAYS...ESPECIALLY AT NIGHT. THE DEPTH AND WATER 

VELOCITY MAY BE TOO GREAT FOR YOU TO CROSS SAFELY. IF FLASH FLOODING 

OCCURS IN YOUR LOCATION...MOVE TO HIGHER GROUND IMMEDIATELY.



STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR THE LATEST

FORECASTS AND POSSIBLE WARNINGS.

