Flash Flood Warning 9, NWS Houston/Galveston, TX

SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
245 AM CDT THU SEP 19 1996

AREA OF SHWRS & TSTMS FINALLY BEGINNING TO WEAKEN AS THEY MV EWD.
HAVE AVGD ARND 2 TO 5 INCHES OF RAIN OVR PAST 6 HRS ACRS MUCH OF THE
FA TO INCLUDE THE CITY OF HOUSTON WHERE NUMEROUS REPORTS OF STREET
FLOODING HAVE BEEN RECEIVED.  LOOKS LIKE SHRT WV PRODUCING THESE
STORMS WILL MV OFF TO EAST BY MORNG...GIVING US A BREAK UNTIL AFTN
HTG...SEA BREEZE...OLD BNDRYS AND ANY MINOR IMPULSES IN THE SW FLOW
KICK IN AGAIN.  DONT BELIEVE EXPECTED COVERAGE WARRANTS SUCH HIGH
POPS FOR THIS AFTN (CRNT 60%)...SO WILL TWEAK POPS BACK A TAD.  MDLS
SHOW NEW CF MVG INTO CNTRL TX BY TNGT WHILE...AT SAME TIME...ANOTHER
SHRT WV SWINGS ARND UPR LVL LOW OVR CNTRL PLAINS.  THIS PSBLY
INDICATES ANOTHER ROUND OF NOCTURNAL TSTMS LATER TNGT...PERHAPS
SQUALL LN TYPE EVENT...MVG THRU FA FM LATE TNGT INTO FRI MRNG.  WILL
BUMP POPS UP TNGT TO HANDLE THIS.  BELEIVE NEW CF MIGHT HAVE ENOUGH
PUSH TO MAKE IT THRU FA SOMETIME LATE FRI OR EARLY SAT MRNG...ALTHO
MAIN UPR LVL ENERGY SHUD BE WELL NNE OF FA AT FROPA AND THEREFORE
WILL KEEP POPS DOWN IN THE LOW CHC CAT.  WILL LET DAY SHIFT FINE TUNE
TNGTS PSBL EVENT...AND ISSUE ANY HVY RAIN OR SVR WX OUTLOOK LATER
TDY.  FIRST GUESS NXT.  39

CLL...89/75/92 443   IAH...88/76/90 444   GLS...88/80/88 444

TXZ163-164-176>179-195>200-210>214-226-227-235>238-191200-

SEVERE WEATHER AND HEAVY RAINFALL OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE HOUSTON TX
910 PM CDT WED SEP 18 1996

THERE IS THE THREAT TONIGHT OF SEVERE WEATHER AND HEAVY RAINFALL
ACROSS THE NORTH AND WESTERN PORTIONS OF THE REGION MAINLY NORTH AND
WEST OF A LIVINGSTON...CONROE...PRAIRIE VIEW...WHARTON LINE.

AN UPPER LEVEL DISTURBANCE MOVING THROUGH THE NORTHERN PORTIONS OF
THE REGION WILL COMBINE WITH A VERY MOIST AND UNSTABLE ATMOSPHERE TO
PRODUCE SCATTERED THUNDERSTORMS...SOME WHICH MAY BECOME SEVERE...
ADDITIONALLY LOCALLY HEAVY RAINS WILL POSE A THREAT AS WELL.  THE
MAJORITY OF THE THUNDERSTORMS WILL BE FOCUSED ALONG COOL THUNDERSTORM
OUTFLOW BOUNDARIES AND A WEAK COLD FRONT FROM NEAR WACO TO THE
COLLEGE STATION AREA.  IN THE STRONGER STORMS RAINFALL ACCUMULATIONS
OF AROUND 1 INCH CAN BE EXPECTED...WITH THE PRIMARY THREAT OF SEVERE
WEATHER BEING DAMAGING WINDS.

ON THURSDAY THE THREAT OF SEVERE WEATHER AND LOCALLY HEAVY RAIN WILL
CONTINUE WITH AN ADDED MECHANISM THE SEA BREEZE FRONT MOVING ONSHORE
DURING THE MORNING. ADDITIONAL STATEMENTS WILL FOLLOW EARLY THURSDAY
MORNING AS MORE DATA BECOME AVAILABLE.

EMERGvENCY MANAGEMENT OFFICIALS AND STORM SPOTTERS ARE URGED TO
MONITOR THIS SITUATION CLOSELY.

STAY TUNED TO NOAA WEATHER RADIO OR OTHER NEWS SOURCES FOR MORE
INFORMATION ON THIS DEVELOPING WEATHER SITUATION.