NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
811 PM CDT FRI AUG 20 2010

...A HEAT ADVISORY CONTINUES FOR PORTIONS OF DEEP SOUTH TEXAS...

.THE COMBINATION OF A STRONG AND BROAD AREA OF HIGH PRESSURE IN
THE MIDDLE LAYERS OF THE ATMOSPHERE ELONGATED OVER THE NORTHERN
COAST OF THE GULF OF MEXICO...AND HIGH RELATIVE HUMIDITY AT THE
SURFACE PRODUCED BY DEEP TROPICAL MOISTURE FROM THE NEARBY GULF OF
MEXICO...WILL RESULT IN A CONTINUATION OF POTENTIALLY DANGEROUS
HEAT FOR THE IMMEDIATE COASTAL COUNTIES OF DEEP SOUTH TEXAS FOR
TONIGHT THROUGH LATE SATURDAY EVENING.

TXZ251-254>257-210915-
/O.CON.KBRO.HT.Y.0006.000000T0000Z-100822T0100Z/
KENEDY-INLAND WILLACY-INLAND CAMERON-COASTAL WILLACY-
COASTAL CAMERON-
INCLUDING THE CITIES OF...SARITA...RAYMONDVILLE...BROWNSVILLE...
HARLINGEN...PORT MANSFIELD...PORT ISABEL...SOUTH PADRE ISLAND...
LAGUNA HEIGHTS...LAGUNA VISTA
811 PM CDT FRI AUG 20 2010

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT SATURDAY...

A HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT SATURDAY FOR
CAMERON...WILLACY...AND KENEDY COUNTY.

TONIGHT...LOW TEMPERATURES IN THE UPPER 70S TO AROUND 80 DEGREES
...AND RELATIVE HUMIDITY PERCENTAGES IN THE MID TO UPPER 80S...
WILL PROVIDE LITTLE TO NO RELIEF FROM THE STIFLING CONDITIONS THAT
OCCURRED DURING THE LATE MORNING THROUGH EARLY EVENING HOURS OF
FRIDAY.

SATURDAY...TEMPERATURES IN THE MID TO UPPER 90S...AND RELATIVE
HUMIDITY PERCENTAGES IN THE MID 50S...WILL COMBINE TO PRODUCE HEAT
INDEX VALUES BETWEEN 111 AND 116 DEGREES DURING THE LATE MORNING
THROUGH EARLY EVENING HOURS.

THE HEAT ADVISORY MAY NEED TO BE EXTENDED THROUGH SATURDAY NIGHT
AND EVEN SUNDAY AS THE ABNORMALLY HOT AND HUMID CONDITIONS PERSIST
ACROSS THE RIO GRANDE VALLEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HEAT ADVISORY IS ISSUED WHEN THE HEAT INDEX...A MEASURE OF HOW
IT FEELS WHEN TEMPERATURE AND HUMIDITY ARE COMBINED...EQUALS OR
EXCEEDS 111 FOR 2 HOURS OR MORE DURING THE DAY...AND OBSERVED
NIGHTTIME TEMPERATURES REMAIN 75 DEGREES OR ABOVE...FOR TWO
CONSECUTIVE DAYS OR MORE.

HEAT KILLS! NEVER LEAVE CHILDREN AND PETS UNATTENDED IN VEHICLES.
TEMPERATURES CAN BECOME LETHAL IN MINUTES...RISING ABOVE
130 DEGREES. IN THE PAST DOZEN YEARS...475 CHILDREN HAVE DIED IN
HOT VEHICLES. DON`T LET IT HAPPEN TO YOURS.

REMEMBER...BEAT THE HEAT...CHECK THE BACK SEAT!

&&

$$

TOMASELLI