HAZARDOUS WEATHER OUTLOOK
Issue Date: 924 PM CST TUE DEC 15 2009
Expiration: 500 AM CST WED DEC 16 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS.
.DAY ONE...TONIGHT.
POCKETS OF HEAVY RAIN MAY DEVELOP ACROSS THE COASTAL COUNTIES
OVERNIGHT. SOME PONDING OF WATER ALONG ROADWAYS AND HIGHWAYS MAY
PRODUCE HAZARDOUS DRIVING CONDITIONS.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
ISOLATED HEAVY RAIN SHOWERS ARE POSSIBLE WEDNESDAY WITH COASTAL
AREAS SEEING THE HEAVIEST RAIN. LOCALIZED STREET FLOODING IS A
POSSIBILITY.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED.
SPECIAL WEATHER STATEMENT
Issue Date: 855 PM CST TUE DEC 15 2009
Expiration: 400 AM CST WED DEC 16 2009
...RAW CONDITIONS EXPECTED THROUGH THURSDAY MORNING...
COLD AND WET WEATHER WILL DEVELOP OVERNIGHT TONIGHT...AND PREVAIL
THROUGH THE MORNING HOURS OF THURSDAY.
TONIGHT...AN AREA OF LOW PRESSURE WILL BEGIN TO DEVELOP ALONG THE
LOWER TEXAS COAST...AS SURFACE HIGH PRESSURE CONTINUES TO BUILD
SOUTH OVER LAREDO AND THE RIO GRANDE RIVER. AS THESE TWO WEATHER
SYSTEMS INTERACT WITH EACH OTHER...NORTHERLY WINDS BETWEEN 15 AND
20 MPH WILL OCCUR...ALLOWING TEMPERATURES TO FALL INTO THE MID TO
UPPER 40S. PATCHY FOG...WITH A 90 PERCENT CHANCE OF SHOWERS...
LIGHT RAIN...AND DRIZZLE...IS EXPECTED AS MOISTURE IN THE MIDDLE
LAYERS OF THE ATMOSPHERE PASSES OVER DEEP SOUTH TEXAS.
WEDNESDAY...AS LOW PRESSURE CONTINUES TO DEVELOP OFFSHORE...AND
HIGH PRESSURE REMAINS CENTERED OVER LAREDO...WINDS WILL INCREASE
FROM THE NORTHWEST TO BETWEEN 20 AND 30 MPH WITH OCCASIONAL HIGHER
GUSTS. THESE WINDS WILL HOLD TEMPERATURES IN THE MID TO UPPER 40S
...AND PRODUCE WIND CHILL VALUES IN THE 30S...WHILE WIDESPREAD
SHOWERS...LIGHT RAIN...DRIZZLE...AND PATCHY FOG CONTINUE.
WEDNESDAY NIGHT THROUGH THURSDAY MORNING...RAINFALL WILL GRADUALLY
END FROM WEST TO EAST ACROSS THE RIO GRANDE VALLEY...AS WINDS ALSO
DIMINISH...AS THE LOW PRESSURE SYSTEM ALONG THE LOWER TEXAS COAST
MOVES FARTHER EAST...AND HIGH PRESSURE SETTLES DIRECTLY OVER DEEP
SOUTH TEXAS. NO FREEZING TEMPERATURES ARE ANTICIPATED THURSDAY
MORNING...AS MOSTLY CLOUDY TO CLOUDY SKIES AND LIGHT TO MODERATE
WINDS WILL PREVENT A RAPID DECREASE IN TEMPERATURES AT THAT TIME.
RESIDENTS ARE ADVISED TO TAKE PRECAUTIONS DURING THE ANTICIPATED
UNSEASONABLE WEATHER THROUGH THE NEXT 36 HOURS. TO KEEP WARM...BE
SURE TO DRESS IN LAYERS...AND WEAR A HAT OR OTHER HEAD COVERING.
KEEP PETS INSIDE...AND PROTECT LIVESTOCK AND OTHER OUTDOOR ANIMALS
BY PROVIDING ADEQUATE SHELTER...EXTRA FEED...AND SAFE SUPPLEMENTAL
HEAT. BE SURE NOT TO PLACE SPACE HEATERS NEAR ANYTHING FLAMMABLE
IN YOUR HOME...SUCH AS DRAPES...FURNITURE...OR BEDDING...AND
REMEMBER TO NEVER USE CHARCOAL...GAS GRILLS...OR YOUR STOVE IN
YOUR HOME TO KEEP WARM. MOTORISTS SHOULD DRIVE WITH EXTRA CAUTION
ON WET ROADS...ESPECIALLY WHEN DRIVING HIGH PROFILE VEHICLES IN
THE STRONG WINDS WEDNESDAY.
RESIDENTS ARE ADVISED TO MONITOR THIS DEVELOPING WEATHER SITUATION
THROUGH LOCAL RADIO AND TELEVISION STATIONS...NOAA WEATHER RADIO...
OR THE NATIONAL WEATHER SERVICE BROWNSVILLE WEB SITE AT
WWW.WEATHER.GOV/RIOGRANDEVALLEY.
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