River Flood Warning 34, NWS Houston/Galveston, TX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1020 AM CST SAT MAR 12 2016

.UPDATE...
AN UPPER LEVEL LOW CONTINUES TO LIFT ACROSS THE REGION INTO
NORTHEAST TEXAS PER WATER VAPOR IMAGERY THIS MORNING... WITH 15Z
SURFACE ANALYSIS SHOWING A WEAK SURFACE REFLECTION/TROUGH
STRETCHING FROM CENTRAL TEXAS TO NEAR GALVESTON BAY. AS THE UPPER
LOW CONTINUES TO MOVE TOWARDS THE ARKLATEX... THIS TROUGH WILL
LIFT NORTHEAST WITH IT AND ALLOW FOR WEST/SOUTHWEST SURFACE FLOW
TO BECOME ESTABLISHED ACROSS THE REGION THROUGH THE DAY. SHOWERS
AND THUNDERSTORMS CONTINUE TO EXIT THE FORECAST AREA TO THE EAST
THIS MORNING... BUT WITH DAYTIME HEATING AND THE PROXIMITY OF THE
UPPER LOW ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS WILL
REMAIN POSSIBLE OVER THE EASTERN/NORTHEASTERN COUNTIES FOR MUCH OF
THE DAY.

THE MAIN ADJUSTMENTS TO THE FORECAST WERE TO RAISE HIGH
TEMPERATURES A DEGREE OR TWO ALONG THE COAST WITH DRY SOUTHWEST
SURFACE FLOW ALLOWING TEMPERATURES TO WARM INTO THE MID 70S ACROSS
THE REGION. TWEAKS TO SKY COVER WERE ALSO MADE BASED ON SATELLITE
TRENDS.

HUFFMAN

&&

.PRELIMINARY POINT TEMPS/POPS...
COLLEGE STATION (CLL)      73  56  84  56  88 /  20  10   0  10   0
HOUSTON (IAH)              75  59  85  60  88 /  30  10  10  10  10
GALVESTON (GLS)            74  64  78  65  79 /  30  10  10  10   0

&&

.HGX WATCHES/WARNINGS/ADVISORIES...
TX...NONE.
GM...NONE.
&&

DISCUSSION...14

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
348 PM CST FRI MAR 11 2016

TXZ163-164-176>179-195>200-210>214-226-227-235>238-122200-
AUSTIN-BRAZORIA-BRAZOS-BURLESON-CHAMBERS-COLORADO-FORT BEND-
GALVESTON-GRIMES-HARRIS-HOUSTON-JACKSON-LIBERTY-MADISON-MATAGORDA-
MONTGOMERY-POLK-SAN JACINTO-TRINITY-WALKER-WALLER-WASHINGTON-
WHARTON-
348 PM CST FRI MAR 11 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT
FLOODING IS EXPECTED OR OCCURRING ALONG THE TRINITY... SAN
JACINTO... NAVASOTA... AND SAN BERNARD RIVERS... AS WELL AS
SMALLER CREEKS AND STREAMS ACROSS THE REGION. ROADS MAY BE
IMPASSIBLE IN CERTAIN LOCATIONS AND RESIDENTS ARE URGED TO NOT
ATTEMPT TO CROSS FLOOD WATERS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
FLOODING IS EXPECTED TO CONTINUE ALONG THE TRINITY... SAN
JACINTO... NAVASOTA... AND SAN BERNARD RIVERS... AS WELL AS
SMALLER CREEKS AND STREAMS ACROSS THE REGION. ROADS MAY BE
IMPASSIBLE IN CERTAIN LOCATIONS AND RESIDENTS ARE URGED TO NOT
ATTEMPT TO CROSS FLOOD WATERS.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

GMZ330-335-350-355-370-375-122200-
GALVESTON BAY-MATAGORDA BAY-
WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL 20 NM TO 60 NM-
WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT 20 NM-
WATERS FROM HIGH ISLAND TO FREEPORT 20 TO 60 NM-
WATERS FROM HIGH ISLAND TO FREEPORT OUT 20 NM-
348 PM CST FRI MAR 11 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
NO HAZARDOUS WEATHER IS EXPECTED.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.