URGENT - WINTER WEATHER MESSAGE

NATIONAL WEATHER SERVICE BROWNSVILLE TX

...LOW WIND CHILL VALUES EXPECTED ACROSS DEEP SOUTH TEXAS TONIGHT...

THE COMBINATION OF STEADILY FALLING TEMPERATURES AND PERSISTENT NORTHWEST WINDS WILL PRODUCE DANGEROUSLY LOW WIND CHILL READINGS RANGING INTO THE 20S ACROSS MUCH OF DEEP SOUTH TEXAS TONIGHT THROUGH EARLY WEDNESDAY MORNING.

ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY-

INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON-

INCLUDING THE CITIES OF...ZAPATA...HEBBRONVILLE...FALFURRIAS...

SARITA...RIO GRANDE CITY...ROMA...MCALLEN...EDINBURG...PHARR...

MISSION...WESLACO...RAYMONDVILLE...BROWNSVILLE...HARLINGEN...

PORT MANSFIELD...PORT ISABEL...SOUTH PADRE ISLAND...

LAGUNA HEIGHTS...LAGUNA VISTA

147 PM CST TUE DEC 6 2011

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM

CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A WIND

CHILL ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CST WEDNESDAY.

* EVENT...OVERNIGHT WIND CHILL READINGS WILL FALL INTO THE 20 TO

25 DEGREE RANGE ACROSS THE NORTHERN COUNTIES OF ZAPATA...JIM

HOGG...BROOKS AND KENEDY. THE SOUTHERN COUNTIES OF CAMERON...

WILLACY...HIDALGO AND STARR WILL LIKELY SEE THE WIND CHILL

READINGS RANGING IN THE 25 TO 30 DEGREE RANGE BY SUNRISE

WEDNESDAY MORNING.

* TIMING...THE WIND CHILL VALUES WILL START TO FALL AFTER SUNSET

THIS EVENING AND WILL RANGE FROM 30 TO 35 DEGREES ACROSS ALL OF DEEP SOUTH TEXAS BY MIDNIGHT TONIGHT. THESE WIND CHILL READINGS WILL CONTINUE TO FALL THROUGHOUT THE NIGHT EVENTUALLY RANGING FROM 20 TO 25 DEGREES ACROSS ZAPATA...JIM HOGG...BROOKS AND KENEDY BY SUNRISE WEDNESDAY AND FROM 25 TO 30 DEGREES ACROSS CAMERON...WILLACY...HIDALGO AND STARR COUNTIES. THESE LOW WIND CHILL READINGS WILL THEN BEGIN TO RISE STEADILY AFTER SUNRISE WEDNESDAY EVENTUALLY REACHING THE 35 TO 40 DEGREE RANGE BY MID MORNING WEDNESDAY.

* IMPACT...ANY RESIDENTS OF DEEP SOUTH TEXAS VENTURING OUT LATE

TONIGHT THROUGH WEDNESDAY MORNING SHOULD DRESS WARMLY. SEVERAL LAYERS OF CLOTHING WILL INSULATE YOU BETTER THAN A SINGLE COAT OR JACKET. ELDERLY OR INFIRM RESIDENTS SHOULD REMAIN INDOORS UNTIL IT WARMS UP. PROLONGED EXPOSURE TO THESE LOW WIND CHILL VALUES CAN LEAD TO HYPOTHERMIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY IS ISSUED WHEN WIND CHILL INDEX VALUES WILL DROP TO 30 OR LOWER FOR 3 OR MORE HOURS.