Freeze Warning 1, NWS Brownsville, TX

127 
WWUS74 KBRO 220225
NPWBRO

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
825 PM CST FRI JAN 21 2011

...LIGHT FREEZE FOR NORTHERN AND WESTERN COUNTIES SATURDAY
MORNING...

.A SURFACE HIGH PRESSURE RIDGE EXTENDING ACROSS DEEP SOUTH TEXAS
WILL PRODUCE CLEAR SKIES...LIGHT WINDS TO CALM CONDITIONS AND DRY
AIR ACROSS DEEP SOUTH TEXAS OVERNIGHT TONIGHT. THESE CONDITIONS
WILL ALLOW RADIATIONAL COOLING OVERNIGHT. THE TEMPERATURES WILL
DECREASE TO NEAR 30 DEGREES ACROSS PORTIONS OF ZAPATA...JIM
HOGG...BROOKS AND WESTERN KENEDY COUNTIES OF DEEP SOUTH TEXAS
EARLY SATURDAY MORNING.

TXZ248>251-221100-
/O.CON.KBRO.FZ.W.0001.110122T0800Z-110122T1400Z/
ZAPATA-JIM HOGG-BROOKS-KENEDY-
INCLUDING THE CITIES OF...ZAPATA...HEBBRONVILLE...FALFURRIAS...
SARITA
825 PM CST FRI JAN 21 2011

...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM CST
SATURDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM CST
SATURDAY. 

A LIGHT FREEZE WILL BE POSSIBLE ACROSS PORTIONS OF ZAPATA...JIM
HOGG...BROOKS AND WESTERN KENEDY COUNTIES OF DEEP SOUTH TEXAS
FROM 2 AM TO 8 AM CST SATURDAY MORNING. CLEAR SKIES AND LIGHT
WINDS TO CALM CONDITIONS AND DRY AIR WILL ALLOW RADIATIONAL
COOLING TO OCCUR OVERNIGHT. ISOLATED AREAS OF FREEZING
TEMPERATURES MAY OCCUR ACROSS THE NORTHERN PORTIONS OF STARR AND
HIDALGO COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN TEMPERATURES ARE EXPECTED TO FALL
TO BETWEEN 28 AND 32 DEGREES FOR 2 OR MORE HOURS OVER A
WIDESPREAD AREA.

RESIDENTS SHOULD COVER OR MOVE INDOORS ANY COLD SENSITIVE
PLANTS...AND BRING PETS INDOORS THIS EVENING.

&&

$$

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
929 AM CST FRI JAN 21 2011

.UPDATE...LIGHT TO MODERATE NORTHERLY WINDS AND CLEAR TO PARTLY
CLOUDY SKIES WITH PERIODS OF MOSTLY CLOUDY SKIES AT TIMES ALONG
THE COASTAL AREAS WILL PREVAIL ACROSS DEEP SOUTH TEXAS TODAY. THE
TEMPERATURES WILL REMAIN BELOW NORMAL TODAY WITH HIGHS PRIMARILY
IN THE 50'S TO AROUND 60 ACROSS THE RIO GRANDE VALLEY. THE LOW
TEMPERATURES WILL DECREASE OVERNIGHT SIMILAR TO LOWS FRIDAY
MORNING. FREEZING TO NEAR FREEZING TEMPERATURES OCCURRED ACROSS
PORTIONS OF THE NORTHERN AND WESTERN COUNTIES THIS MORNING. NEAR
FREEZING TO SLIGHTLY LOWER THAN FREEZING TEMPERATURES WILL OCCUR
AGAIN ACROSS THE NORTHERN AND WESTERN COUNTIES EARLY SATURDAY
MORNING. THEREFORE A FREEZE WATCH IS IN EFFECT ACROSS ZAPATA...JIM
HOGG...BROOKS...AND KENEDY COUNTIES FOR SATURDAY MORNING. BELOW
NORMAL TEMPERATURES WILL CONTINUE ACROSS DEEP SOUTH TEXAS THROUGH
SATURDAY. THE WINDS WILL BE LIGHT TO MODERATE FROM THE NORTH TODAY
THEN SHIFT TO THE NORTHEAST ON SATURDAY AND SOUTHEAST ON SATURDAY
NIGHT REMAINING LIGHT TO MODERATE. UPDATED AND REISSUED FORECAST
PACKAGE. NO UPDATES TO LONG TERM.

&&

.AVIATION...VFR TO MVFR CONDITIONS ARE OCCURRING AT THE REGIONAL
AIRPORTS. THE LOWER CONDITION IS DUE TO REDUCED CEILINGS. A HIGH
PRESSURE RIDGE WILL BUILD ACROSS THE CWA TODAY. THE WINDS WILL BE
LIGHT TO MODERATE FROM THE NORTH TODAY BECOMING LIGHT TO CALM
OVERNIGHT THEN BECOMING LIGHT FROM THE NORTHEAST ON SATURDAY. CLEAR
TO PARTLY CLOUDY SKIES WILL PREVAIL ACROSS THE CWA TODAY. VFR TO
MVFR CONDITIONS WILL PREVAIL ACROSS THE REGIONAL AIRPORTS DURING THE
NEXT 24 HOURS.

&&

.MARINE...AT 7 AM BUOY 20 REPORTED NORTH WINDS AT 12 KNOTS WITH
GUSTS TO 18 KNOTS AND SEAS AT 7.5 FEET WITH A 7 SECOND PERIOD. THE
WINDS AND SEAS ARE DIMINISHING QUICKLY ACROSS THE MARINE AREAS
THIS MORNING AS A HIGH PRESSURE RIDGE BUILDS ACROSS TEXAS AND THE
WESTERN GULF OF MEXICO. THE WINDS HAVE DECREASED BELOW SMALL CRAFT
CRITERIA AND THE SEAS WILL DECREASE BELOW SMALL CRAFT CRITERIA
THIS MORNING ACROSS THE GULF OF MEXICO COASTAL WATERS. HAVE
THEREFORE DROPPED THE ADVISORY. MODERATE NORTHERLY WINDS AND
MODERATE SEAS WILL PREVAIL ACROSS THE MARINE AREAS BY THIS
AFTERNOON. LIGHT TO MODERATE NORTHEAST WINDS AND LOW SEAS WILL
PREVAIL ACROSS THE COASTAL WATERS ON SATURDAY.

&&

.PREV DISCUSSION... /ISSUED 304 AM CST FRI JAN 21 2011/

SHORT TERM /TODAY THROUGH 6 PM SATURDAY/...SIGNIFICANT CLOUDINESS
REMAINS OVER THE ADJACENT COASTAL WATERS OF DEEP SOUTH TEXAS...BUT
IS NEARLY GONE FROM THE COUNTIES OF THE BRO CWFA. TRANQUIL WEATHER
CONDITIONS ARE EXPECTED THROUGH THE NEXT 36 HOURS AS SURFACE HIGH
PRESSURE BUILDS IN FROM THE NORTHWEST. ONLY CONCERN IN THE SHORT
TERM PORTION OF THE FORECAST IS POSSIBLE FREEZING TEMPERATURES
TONIGHT WITHIN THE NORTHERN FOUR COUNTIES...AS DRY AIR INTERACTS
WITH CLEAR SKIES AND LIGHT SURFACE WINDS. THUS...HAVE OPTED TO POST
A FREEZE WATCH FOR THE EARLY MORNING HOURS OF SATURDAY FOR ZAPATA
..JIM HOGG...BROOKS...AND KENEDY COUNTY.

LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/...HIGH PRESSURE
CONTINUES TO DRIFT EAST SATURDAY NIGHT INTO SUNDAY...BRINGING
ONSHORE FLOW AND SFC MOISTURE BACK INLAND. THIS WILL BE ENHANCED
SUNDAY BY A COASTAL TROUGH ALONG THE FAR WESTERN GULF. WINDS ALOFT
WILL REMAIN FROM THE WEST...INDUCING OVERRUNNING. MODELS ARE IN
AGREEMENT IN PRODUCING PRECIPITATION...ESPECIALLY ALONG THE
COAST...BUT ACCUMULATION WILL BE LOW. THE COASTAL TROUGH WILL GET
SWEPT EAST BY A WEAK FRONTAL BOUNDARY SOMETIME LATE SUNDAY OR
EARLY MONDAY. WINDS WILL SHIFT TO THE NORTH...PULLING DRIER BACK
INTO THE REGION. THE AIRMASS BEHIND THE FRONT REMAIN COOL...WITH A
REINFORCING SURGE OF COOLER AIR ON TUESDAY. THIS WILL KEEP
TEMPERATURES NEAR NORMAL TO SLIGHTLY BELOW NORMAL FOR MOST OF THE
WEEK.

&&

.PRELIMINARY POINT TEMPS/POPS...
BAYVIEW/PORT ISABEL  51  38  63  50 /   0   0   0  10
BROWNSVILLE          54  36  62  50 /   0   0   0  10
HARLINGEN            53  33  65  48 /   0   0   0  10
MCALLEN              55  34  67  47 /   0   0   0  10
RIO GRANDE CITY      59  33  68  45 /   0   0   0  10
SOUTH PADRE ISLAND   56  43  60  57 /   0   0   0  20

&&

.BRO WATCHES/WARNINGS/ADVISORIES...
TX...FREEZE WATCH FROM LATE TONIGHT THROUGH SATURDAY MORNING FOR
     TXZ248>251.

GM...NONE.
&&

THIS PRODUCT IS ALSO AVAILABLE ON THE WEB AT:
HTTP://WWW.WEATHER.GOV/BROWNSVILLE

63/54/CAMPBELL

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BROWNSVILLE TX
929 AM CST FRI JAN 21 2011

GMZ130-132-135-150-155-170-175-TXZ248>257-221200-
LAGUNA MADRE FROM THE PORT OF BROWNSVILLE TO THE ARROYO COLORADO-
LAGUNA MADRE FROM THE ARROYO COLORADO TO 5 NM NORTH OF PORT
MANSFIELD TX-
LAGUNA MADRE FROM 5 NM NORTH OF PORT MANSFIELD TO BAFFIN BAY TX-
COASTAL WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
WATERS FROM PORT MANSFIELD TO THE RIO GRANDE EXTENDING FROM 20 TO
60 NM-
WATERS FROM BAFFIN BAY TO PORT MANSFIELD EXTENDING FROM 20 TO
60 NM-ZAPATA-JIM HOGG-BROOKS-KENEDY-STARR-HIDALGO-INLAND WILLACY-
INLAND CAMERON-COASTAL WILLACY-COASTAL CAMERON-
929 AM CST FRI JAN 21 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS...THE GULF
OF MEXICO AND THE LAGUNA MADRE.

.DAY ONE...TODAY AND TONIGHT.

A FREEZE WATCH IS IN EFFECT FOR ZAPATA...JIM HOGG...BROOKS...AND
KENEDY COUNTIES TONIGHT...THE FREEZE WATCH BEGINS AT 2 AM CST
SATURDAY MORNING. THERE IS A HIGH RISK OF RIP CURRENTS AT THE
BEACHES OF SOUTH PADRE ISLAND AND BOCA CHICA.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

A FREEZE WATCH WILL CONTINUE UNTIL 8 AM CST SATURDAY FOR
ZAPATA...JIM HOGG...BROOKS...AND KENEDY COUNTIES. A MODERATE TO
HIGH RISK OF RIP CURRENTS IS POSSIBLE AT THE BEACHES OF DEEP SOUTH
TEXAS SUNDAY AND MONDAY. SMALL CRAFT ADVISORIES MAY BE NECESSARY ACROSS
THE OFFSHORE GULF OF MEXICO COASTAL WATERS SUNDAY EVENING THROUGH MONDAY
DUE TO AN INCREASE IN THE WINDS AND SEAS BEHIND A COLD FRONT
WHICH WILL MOVE THROUGH THE AREA SUNDAY EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

MARTIN