Severe Thunderstorm Warning 112, NWS Houston/Galveston, TX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
334 PM CDT WED JUN 3 2009

.DISCUSSION...
ACTIVE AFT ACROSS EASTERN THIRD OF THE AREA AS AN UPPER
LEVEL DISTURBANCE COMBINED WITH AN OUTFLOW BOUNDARY/PRE-FRONTAL
TROUGH TO PRODUCE STRONG AND PULSE SEVERE THUNDERSTORMS. COULD BE
A FEW SHWRS/TSTMS ALONG THE FRONTAL BOUNDARY OVERNIGHT MAINLY
ACROSS THE SOUTHEAST HALF AREA. HOWEVER...LOW-LEVEL
CONVERGENCE IS NOT EXPECTED TO BE VERY IMPRESSIVE AS WINDS
ARE ALREADY NW ACROSS WESTERN AREAS. WILL HAVE 20/30 POPS
OVERNIGHT TO COVER POSSIBLE ADDITIONAL DEVELOPMENT.

IN THE WAKE OF THE FRONT EXPECT A DRIER AIRMASS TO REMAIN
OVER SE TX INTO SATURDAY. MAIN EFFECT OF THE DRIER AIR WILL BE
SLIGHTLY COOLER MIN TEMPS THE NEXT FEW NIGHTS. AFT MAX TEMPS WILL
BE BACK IN THE LOWER 90S ON FRIDAY. FOR THE EXTENDED FORECAST...
EXPECT SLIGHT RAIN CHANCES AND TYPICAL JUNE TEMPS TUES THROUGH
THU. 33
&&

.MARINE...
THE SOUTHERLY FLOW WILL GIVE WAY AS SHOWERS AND THUNDERSTORMS SHIFT
EAST OFF THE COAST. STRONG THUNDERSTORMS WILL BE POSSIBLE WITH GUSTY
WINDS OF 25+ KNOTS. OTHER THAN SOME HIGHER SEAS IN AND NEAR THE BIG
STORMS. THE OFFSHORE FLOW WILL PICK UP AS A FRONT MOVES OFF THE
COAST AROUND SUNRISE THURSDAY. HIGH PRESSURE WILL MOVE BY TO THE
NORTHEAST AND ONSHORE FLOW WILL BE BACK ON SATURDAY AND CONTINUE
THROUGH WEDNESDAY.
45

&&

.AVIATION...
CLEARING SKIES TO THE WEST IN THE SHORT TERM AS STORMS OVER THE
COASTAL AREAS MOVE EAST. OTHER THAN MVFR/IFR VISBY IN TSRA THE VFR
CONDITIONS SHOULD CONTINUE THROUGH 06Z. ST DECK POSSIBLE AGAIN AFTER
06Z PRIOR TO FROPA. AFTER FROPA NW WIND 10 KTS SHOULD BE ONLY ISSUE.
45
&&

.PRELIMINARY POINT TEMPS/POPS...
COLLEGE STATION (CLL)      69  88  64  93  67 /  20  10  10   0   0
HOUSTON (IAH)              70  89  67  92  67 /  30  10  10   0   0
GALVESTON (GLS)            75  86  74  87  73 /  30  10  10   0   0

&&

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

DISCUSSION...33

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
708 AM CDT WED JUN 3 2009

GMZ330-335-350-355-370-375-TXZ163-164-176>179-195>200-210>214-226-
227-235>238-041215-
AUSTIN-BRAZORIA-BRAZOS-BURLESON-CHAMBERS-COLORADO-FORT BEND-
GALVESTON-GALVESTON BAY-GRIMES-HARRIS-HOUSTON-JACKSON-LIBERTY-
MADISON-MATAGORDA-MATAGORDA BAY-MONTGOMERY-POLK-SAN JACINTO-
TRINITY-WALKER-WALLER-WASHINGTON-
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-WHARTON-
708 AM CDT WED JUN 3 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS.

.DAY ONE...TODAY AND TONIGHT

AS THE DAY HEATS UP INTO THE LOWER 80S....SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS WILL BEGIN TO FOCUS THEIR DEVELOPMENT ALONG
OLDER STORM OUTFLOW BOUNDARIES. THERE IS A CHANCE FOR ONE OR TWO
OF THESE STORMS TO PRODUCE DOWNBURST WINDS IN EXCESS OF 35 MPH AND
SMALL HAIL. THE MAIN THREATS FROM THE STRONGEST STORMS WILL BE
FREQUENT LIGHTNING AND LOCALIZED HEAVY RAIN IN EXCESS OF 1 INCH
PER HOUR...CAUSING TEMPORARILY FLOODING OF LOWER LYING AREAS AND
ROADWAYS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
121 PM CDT WED JUN 03 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1243 PM     HAIL             4 W ANGLETON            29.17N 95.49W
06/03/2009  E1.75 INCH       BRAZORIA           TX   LAW ENFORCEMENT

            GOLFBALL SIZED HAIL REPORTED BY DPS ON HIGHWAY 35 NEAR
            BAILEYS PRAIRIE.

&&

DHELVY