Freeze Warning 2, NWS Austin/San Antonio, TX

Bandera County, TX, Bastrop County, TX, Bexar County, TX, Blanco County, TX, Burnet County, TX, Caldwell County, TX, Comal County, TX, Edwards County, TX, Fayette County, TX, Gillespie County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Kendall County, TX, Kerr County, TX, Lee County, TX, Llano County, TX, Medina County, TX, Real County, TX, Travis County, TX, Williamson County, TX

256 
WWUS74 KEWX 260848
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
348 AM CDT TUE MAR 26 2013

...FREEZE WARNING IN EFFECT UNTIL 9 AM CDT THIS MORNING FOR THE
TEXAS HILL COUNTRY AND ADJACENT AREAS OF SOUTH CENTRAL TEXAS...

.A COMBINATION OF LIGHT WINDS...COLD DRY AIR AND MOSTLY CLEAR
SKIES HAS RESULTED IN WELL BELOW NORMAL TEMPERATURES THIS
MORNING. FREEZING TEMPERATURES WERE OCCURRING ACROSS MUCH OF THE
HILL COUNTRY THIS MORNING WITH SOME SPOTS EXPECTED TO RECEIVE A
A HARD FREEZE. ALONG THE ESCARPMENT AND BETWEEN THE INTERSTATE 35
AND INTERSTATE 10 CORRIDORS EAST OF SAN ANTONIO...SOME LOW LYING
SPOTS WILL BE AT OR SLIGHTLY BELOW FREEZING. TEMPERATURES WILL
WARM RAPIDLY AFTER SUNRISE TO ABOVE FREEZING BY 9 AM. A WARMING
TREND IS EXPECTED OVER THE NEXT SEVERAL DAYS.

TXZ171>173-184>194-204>209-223-261400-
/O.CON.KEWX.FZ.W.0002.000000T0000Z-130326T1400Z/
LLANO-BURNET-WILLIAMSON-EDWARDS-REAL-KERR-BANDERA-GILLESPIE-
KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-MEDINA-BEXAR-COMAL-
GUADALUPE-CALDWELL-FAYETTE-GONZALES-
INCLUDING THE CITIES OF...LLANO...BURNET...GEORGETOWN...
ROCKSPRINGS...LEAKEY...KERRVILLE...BANDERA...FREDERICKSBURG...
BOERNE...BLANCO...SAN MARCOS...AUSTIN...BASTROP...GIDDINGS...
HONDO...SAN ANTONIO...NEW BRAUNFELS...SEGUIN...LOCKHART...
LA GRANGE...GONZALES
348 AM CDT TUE MAR 26 2013

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING...

* TEMPERATURE...LOWS 26 TO 32 DEGREES

* IMPACTS...THE COLD TEMPERATURES WILL CAUSE DAMAGE TO TENDER 
  PLANTS AND VEGETATION THAT MAY HAVE BEEN PLANTED DURING THE 
  EARLIER WARM WEATHER. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1247 PM CDT MON MAR 25 2013

.DISCUSSION...

SEE AVIATION FOR 18Z TAFS.

&&

.AVIATION...
VFR CONDITIONS WITH UNLIMITED CIGS AND VSBYS WILL CONTINUE AT ALL
TERMINALS THE NEXT 24 HOURS...AS A DRY SFC RIDGE OF HIGH PRESSURE
CONTINUES ACROSS SOUTH CENTRAL TEXAS. THE SFC RIDGE WILL SLOWLY
WEAKEN ON TUESDAY AFTERNOON...AS THE SFC HIGH MOVES EAST AND
LOW PRESSURE BEGINS TO INCREASE OVER WEST TEXAS AGAIN. A FEW
SCT HIGH CIRRUS CLOUDS WILL MOVE ACROSS THE AREA FROM THE WEST
ON TUESDAY. NE WINDS AT 10 TO 15 KTS VCNTY OF KAUS TO KSAT WILL
CONTINUE THIS AFTERNOON BECOMING N TO NE AT 5 KNOTS OR LESS
TONIGHT. IN VCNTY OF KDRT THE WINDS THIS AFTERNOON AND TONIGHT
WILL BE E TO SE AT 5 TO 10 KNOTS. BY TUESDAY WINDS WILL BECOME
E TO SE NEAR 10 KNOTS VCNTY OF KAUS TO KSAT AND SE AT 10 TO 15
KNOTS VCNTY OF KDRT.

&&

.PREV DISCUSSION... /ISSUED 916 AM CDT MON MAR 25 2013/

UPDATE...
AFTER MANY LOW LYING SPOTS IN THE HILL COUNTRY DIPPED BELOW
FREEZING EARLY THIS MORNING...ALL AREAS NOW HAVE TEMPERATURES
ABOVE FREEZING. AS A RESULT...THE FREEZE WARNING IS CANCELLED
SINCE TEMPERATURES WILL CONTINUE TO RISE. REMAINDER OF SOUTH
CENTRAL TEXAS FORECAST IS ON TRACK. A FREEZE WARNING MAY HAVE TO
BE ISSUED FOR LATE TONIGHT INTO EARLY TUESDAY AS SOME SPOTS MAY
DIP BELOW FREEZING FOR A FEW HOURS JUST BEFORE SUNRISE ON TUESDAY.

PREV DISCUSSION... /ISSUED 657 AM CDT MON MAR 25 2013/

AVIATION...
VFR FLYING CONDITIONS AT ALL TERMINALS FOR THE NEXT 24 HOURS.
WINDS WILL INCREASE TO 10 TO 15 KTS LATER THIS MORNING AND
CONTINUE THROUGH THE AFTERNOON BEFORE FALLING OFF THIS EVENING.

PREV DISCUSSION... /ISSUED 329 AM CDT MON MAR 25 2013/

SHORT TERM (TODAY THROUGH TUESDAY)...
COOL DRY SURFACE RIDGE OVER S CENTRAL TX TODAY AND TONIGHT WILL
SLIDE EAST TUESDAY. THEREFORE CONTINUED UNSEASONABLY COOL FOR THE
NEXT COUPLE DAYS WITH LARGE DIURNAL VARIATION IN TEMPERATURES OF
30-35 DEGREES. AFTER HIGHS IN THE UPPER 50S TO LOW-MID 60S TODAY...
WILL SEE FREEZING TO NEAR FREEZING TEMPERATURES AGAIN TONIGHT ACROSS
THE HILL COUNTRY AND ADJACENT AREAS OF SOUTH CENTRAL TX. THE WARMING
TREND WILL BEGIN TUESDAY AS THE SURFACE RIDGE SLIPS EAST AND
WARMER S-SELY BREEZES RETURN OFF THE GULF.

LONG TERM (TUESDAY NIGHT THROUGH SUNDAY)...
WESTERLY FLOW ALOFT FOR THE REMAINDER OF THE WEEK WILL RESULT IN A
CONTINUE WARMING/MOISTENING TREND AS SLY WINDS PREVAIL OFF THE GULF.
ALONG WITH THE INCREASED LOW LEVEL MOISTURE...WILL COME LOW RAIN
CHANCES LATER IN THE WEEK. INITIALLY WILL SEE SOME WARM AIR
ADVECTION DRIZZLE/SHOWERS ACROSS THE CENTRAL/EASTERN CWA THURSDAY.
THEN BETTER CHANCES FOR DEEP CONVECTION FRI-SAT-SUN WITH ISOLATED
TO SCATTERED SHOWERS/STORMS AS MINOR WESTERLIES DISTURBANCES
INTERACT WITH THE MOIST LOW LEVEL SLY FLOW. FOR NOW HAVE GONE WITH
SILENT 10 PERCENT POPS FOR SUNDAY NIGHT-MONDAY AS LONG RANGE
MODELS SHOW A SHORT WAVE RIDGE OVER TX.

OUTLOOK FOR NEW DAY 7 AND DAY 8(MONDAY-TUESDAY)... AN UPPER TROF
EJECTING OUT OF THE SRN ROCKIES MONDAY NIGHT INTO TUESDAY COULD
BRING INCREASED RAIN CHANCES AND THE NEXT COLD FRONT INTO THE
REGION.

FIRE WEATHER...
ELEVATED FIRE WEATHER CONDITIONS ACROSS ALL OF SOUTH CENTRAL
TEXAS THIS AFTERNOON AND TUESDAY AFTERNOON MAINLY DUE TO LOW
RELATIVE HUMIDITIES. HOWEVER COULD SEE NEAR CRITICAL FIRE WEATHER
CONDITIONS FOR A FEW HOURS OVER THE RIO GRANDE PLAINS TUESDAY
AFTERNOON AS SELY 20-FOOT WINDS INCREASE TO NEAR 15 MPH.
INCREASING SLY WINDS AND GULF MOISTURE TUESDAY NIGHT INTO THE
REMAINDER OF THE WEEK WILL RESULT IN HIGHER HUMIDITIES WELL ABOVE
CRITICAL LEVELS.

&&

.PRELIMINARY POINT TEMPS/POPS...
AUSTIN CAMP MABRY              36  65  42  74  54 /   0   0   0  -   10
AUSTIN BERGSTROM INTL AIRPORT  28  64  34  74  51 /   0   0   0  -   10
NEW BRAUNFELS MUNI AIRPORT     31  66  38  73  53 /   0   0   0  -   10
BURNET MUNI AIRPORT            32  64  40  72  53 /   0   0   0  -   10
DEL RIO INTL AIRPORT           40  68  50  75  59 /   0   0   0   0  10
GEORGETOWN MUNI AIRPORT        30  64  37  73  52 /   0   0   0  -   10
HONDO MUNI AIRPORT             31  68  39  74  53 /   0   0   0  -   10
SAN MARCOS MUNI AIRPORT        32  65  37  73  53 /   0   0   0  -   10
LA GRANGE - FAYETTE REGIONAL   32  64  39  73  54 /   0   0   0  -   10
SAN ANTONIO INTL AIRPORT       34  66  42  72  56 /   0   0   0  -   10
STINSON MUNI AIRPORT           34  67  42  72  55 /   0   0   0  -   10

&&

.EWX WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

MESOSCALE/AVIATION...08/05
SYNOPTIC/GRIDS...04/01
PUBLIC SERVICE/DATA COLLECTION...31

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
919 AM CDT MON MAR 25 2013

TXZ171>173-183>194-202>209-217>225-228-261100-
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-
MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA-
FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT-
919 AM CDT MON MAR 25 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS.

.DAY ONE...TODAY AND TONIGHT...

THERE WILL BE ELEVATED FIRE WEATHER CONDITIONS FOR ALL OF
SOUTH CENTRAL TEXAS THIS AFTERNOON DUE TO LOW RELATIVE HUMIDITY.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

FREEZING TEMPERATURES ARE LIKELY AGAIN TUESDAY MORNING OVER THE
HILL COUNTRY AND ADJACENT PARTS OF SOUTH CENTRAL TEXAS.

FIRE WEATHER CONDITIONS WILL BE ELEVATED DUE TO LOW RELATIVE HUMIDITY
ACROSS ALL OF SOUTH CENTRAL TEXAS TUESDAY AFTERNOON AND MAY BE
NEAR CRITICAL OVER THE RIO GRANDE PLAINS WITH BREEZY WINDS.

OTHERWISE NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.