Alert archive / Texas / Freeze Warnings in 2012
Freeze Warning 2, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this freeze warning at Nov 13, 2012, 3:22 PM CST for 12 counties in Texas. It took effect at Nov 14, 2012, 3:00 AM CST. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Nov 13, 2012, 3:22 PM CST (21:22 UTC)
- In effect from
- Nov 14, 2012, 3:00 AM CST
- Expired
- Nov 14, 2012, 9:00 AM CST
- In force
- 6 hr
- Issued by
- NWS Austin/San Antonio, TX
Counties Bandera County, TX, Bastrop County, TX, Blanco County, TX, Burnet County, TX, Gillespie County, TX, Hays County, TX, Kendall County, TX, Kerr County, TX, Lee County, TX, Real County, TX, Travis County, TX, Williamson County, TX
The radar
The Austin/San Antonio radar (KEWX), 64 km from the middle of the area, began a volume at 21:21 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 9.4 hours before the alert went out and 256 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2478 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
736 WWUS74 KEWX 132122 NPWEWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 322 PM CST TUE NOV 13 2012 ...A FREEZE WARNING IS IN EFFECT FOR TONIGHT ACROSS PORTIONS OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY... .COOL AND DRY CONDITIONS WILL SETTLE OVER SOUTH CENTRAL TEXAS TONIGHT. A RAIN MAKING WEATHER SYSTEM OVER THE AREA THIS AFTERNOON IS FORECAST TO MOVE EAST THIS EVENING THROUGH TONIGHT. SKIES ARE EXPECTED TO SLOWLY CLEAR FROM THE WEST AND NORTHWEST TONIGHT. WITH LESS CLOUD COVER LATER TONIGHT AND EARLY WEDNESDAY MORNING...LOWS NEAR FREEZING ARE POSSIBLE OVER THE HILL COUNTRY TO ADJACENT PARTS OF CENTRAL TEXAS. LOWS NEAR FREEZING ARE ALSO EXPECTED FOR LLANO COUNTY...HOWEVER SINCE A FREEZE HAS ALL READY BEEN OBSERVED OVER LLANO COUNTY ON OCTOBER 29TH AND THIS MORNING... THE FREEZE WARNING IS NOT IN EFFECT FOR LLANO COUNTY. THE FREEZE WARNING IS IN EFFECT FOR BURNET...WILLIAMSON...REAL... KERR...BANDERA...GILLESPIE...KENDALL...BLANCO...HAYS... TRAVIS...BASTROP...AND LEE COUNTIES...WHERE WIDESPREAD FREEZING TEMPERATURES HAVE NOT BEEN OBSERVED SO FAR THIS FALL. THE FREEZING TEMPERATURES ARE EXPECTED TO BE MAINLY IN THE UPPER 20S TO NEAR FREEZING AND LAST FROM TWO TO SIX HOURS. TXZ172-173-185>194-141000- /O.NEW.KEWX.FZ.W.0002.121114T0900Z-121114T1500Z/ BURNET-WILLIAMSON-REAL-KERR-BANDERA-GILLESPIE-KENDALL-BLANCO-HAYS- TRAVIS-BASTROP-LEE- INCLUDING THE CITIES OF...BURNET...GEORGETOWN...LEAKEY... KERRVILLE...BANDERA...FREDERICKSBURG...BOERNE...BLANCO... SAN MARCOS...AUSTIN...BASTROP...GIDDINGS 322 PM CST TUE NOV 13 2012 ...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM CST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 AM CST WEDNESDAY. * TEMPERATURE...EARLY MORNING LOWS OF 28 TO 32 DEGREES. * IMPACTS...A LIGHT FREEZE MAY DAMAGE OR KILL TENDER VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. COVER SENSITIVE PLANTS TO PREVENT OR LIMIT DAMAGE. $$
1 follow-up statement
728 WWUS74 KEWX 141310 NPWEWX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 710 AM CST WED NOV 14 2012 ...A FREEZE WARNING IS IN EFFECT UNTIL 9 AM THIS MORNING ACROSS NORTHERN PORTIONS OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY... .A DRY AIR-MASS COUPLED WITH CLEAR SKIES AND RAPID RADIATIONAL COOLING LED TO THE SECOND DAY OF FREEZING TEMPERATURES OVER PORTIONS OF THE TEXAS HILL COUNTRY EARLY THIS MORNING. SURFACE OBSERVATIONS...INCLUDING DATA FROM LCRA...SHOWING FREEZING AND SUB-FREEZING TEMPERATURES PREVALENT ALONG THE RIVER VALLEYS... WHERE COLD AIR DRAINAGE WAS OCCURRING. THESE FREEZING CONDITIONS MAY CONTINUE OVER THE NEXT COUPLE OF HOURS...THEN AROUND 9 AM... TEMPERATURES WILL BEGIN THEIR RISE ABOVE THE FREEZING MARK. TXZ172-173-185>194-141500- /O.CON.KEWX.FZ.W.0002.000000T0000Z-121114T1500Z/ BURNET-WILLIAMSON-REAL-KERR-BANDERA-GILLESPIE-KENDALL-BLANCO-HAYS- TRAVIS-BASTROP-LEE- INCLUDING THE CITIES OF...BURNET...GEORGETOWN...LEAKEY... KERRVILLE...BANDERA...FREDERICKSBURG...BOERNE...BLANCO... SAN MARCOS...AUSTIN...BASTROP...GIDDINGS 710 AM CST WED NOV 14 2012 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * TEMPERATURE...EARLY MORNING LOWS OF 28 TO 32 DEGREES. * IMPACTS...A LIGHT FREEZE MAY DAMAGE OR KILL TENDER VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. COVER SENSITIVE PLANTS TO PREVENT OR LIMIT DAMAGE. ...MINIMUM TEMPERATURES IN THE PAST 12 HOURS... ...LOCATION... ...TIME... ...MIN... ...TEXAS... ...BEXAR COUNTY... 2 SE SEA WORLD (895 FT)(APRSWXNET) 555 AM NOV 14 27 F ...BURNET COUNTY... 10 WSW LAMPASAS (1411 FT)(LCRA) 626 AM NOV 14 29 F 11 E TOW (1461 FT)(LCRA) 626 AM NOV 14 29 F 9 NNE TOW (1402 FT)(LCRA) 557 AM NOV 14 31 F 5 NE GRANITE SHOALS (984 FT)(LCRA) 628 AM NOV 14 32 F BURNET (1275 FT)(LCRA) 558 AM NOV 14 32 F 5 W SPICEWOOD (909 FT)(LCRA) 626 AM NOV 14 32 F 8 SSW BERTRAM (1214 FT)(LCRA) 628 AM NOV 14 32 F ...EDWARDS COUNTY... 5 SSW TELEGRAPH (1972 FT)(LCRA) 530 AM NOV 14 25 F 17 E CARTA VALLEY (1870 FT)(APRSWXNET) 648 AM NOV 14 29 F 8 SE CARTA VALLEY (1748 FT)(APRSWXNET) 634 AM NOV 14 29 F 20 SSE SONORA (2194 FT)(RAWS) 546 AM NOV 14 31 F ...GILLESPIE COUNTY... 8 NE HARPER (1886 FT)(LCRA) 629 AM NOV 14 27 F 9 WSW LOYAL VALLEY (1672 FT)(LCRA) 628 AM NOV 14 27 F 4 SSW HARPER (2114 FT)(LCRA) 628 AM NOV 14 29 F 10 W FREDERICKSBURG (1792 FT)(LCRA) 628 AM NOV 14 30 F 6 SSE LOYAL VALLEY (1659 FT)(LCRA) 627 AM NOV 14 30 F FREDERICKSBURG (1747 FT)(AWOS) 655 AM NOV 14 30 F 3 NW WILLOW CITY (1784 FT)(LCRA) 626 AM NOV 14 31 F ...KERR COUNTY... 12 NW KERR WILDLIFE MANAGEMENT AREA 611 AM NOV 14 28 F 12 ESE TELEGRAPH (2280 FT)(APRSWXNET) 515 AM NOV 14 32 F ...WILLIAMSON COUNTY... FLORENCE (1020 FT)(AWS) 635 AM NOV 14 30 F 3 NE ANDICE (970 FT)(LCRA) 543 AM NOV 14 31 F OBSERVATIONS ARE COLLECTED FROM A VARIETY OF SOURCES WITH VARYING EQUIPMENT AND EXPOSURES. NOT ALL DATA LISTED IS CONSIDERED OFFICIAL. THE NATIONAL WEATHER SERVICE THANKS ITS PRIVATE AND PUBLIC PARTNERS FOR PROVIDING US WITH THIS DATA. $$
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.