Alert archive / Texas / Wind Advisories in 2016

Wind Advisory 4, NWS Austin/San Antonio, TX

December 7, 201612 counties in Texas

NWS Austin/San Antonio, TX issued this wind advisory at Dec 7, 2016, 2:45 PM CST for 12 counties in Texas. It took effect at Dec 8, 2016, 6:00 AM CST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Dec 7, 2016, 2:45 PM CST (20:45 UTC)
In effect from
Dec 8, 2016, 6:00 AM CST
Expired
Dec 8, 2016, 2:35 PM CST
In force
9 hr
Issued by
NWS Austin/San Antonio, TX

Counties Bastrop County, TX, Bexar County, TX, Caldwell County, TX, Comal County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Lee County, TX, Medina County, TX, Travis County, TX, Williamson County, TX, Wilson County, TX

The radar

The Austin/San Antonio radar (KEWX), 20 km from the middle of the area, began a volume at 20:42 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

Corpus Christi, TX (KCRP), launched 12:00Z, 8.8 hours before the alert went out and 241 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.

Skew-T log-pSkew-T log-p diagram, Corpus Christi, TX at 12:00Z on 2016-12-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 12:00Z on 2016-12-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 287 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
546 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
287 m²/s²
0-3 km storm-relative helicity
398 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

354 
WWUS74 KEWX 072045
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
245 PM CST WED DEC 7 2016

TXZ173-191>194-204>208-221-223-080500-
/O.NEW.KEWX.WI.Y.0004.161208T1200Z-161208T2200Z/
WILLIAMSON-HAYS-TRAVIS-BASTROP-LEE-MEDINA-BEXAR-COMAL-GUADALUPE-
CALDWELL-WILSON-GONZALES-
INCLUDING THE CITIES OF...GEORGETOWN...SAN MARCOS...AUSTIN...
BASTROP...GIDDINGS...HONDO...SAN ANTONIO...NEW BRAUNFELS...
SEGUIN...LOCKHART...FLORESVILLE...GONZALES
245 PM CST WED DEC 7 2016

...WIND ADVISORY IN EFFECT FROM 6 AM TO 4 PM CST THURSDAY...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT FROM 6 AM TO 4 PM CST
THURSDAY. 

* TIMING...THURSDAY MORNING THROUGH THURSDAY AFTERNOON.

* WINDS...NORTH WINDS SUSTAINED 20 TO 25 MPH WITH GUSTS TO AROUND
  35 MPH.

* IMPACTS...WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. IN 
  ADDITION...LIGHTWEIGHT OBJECTS SUCH AS LAWN FURNITURE MAY 
  BECOME AIRBORNE. TAKE ACTION TO SECURE THESE ITEMS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
2 follow-up statements
679 
WWUS74 KEWX 080404
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1004 PM CST WED DEC 7 2016

TXZ173-191>194-204>208-221-223-082200-
/O.CON.KEWX.WI.Y.0004.161208T1200Z-161208T2200Z/
WILLIAMSON-HAYS-TRAVIS-BASTROP-LEE-MEDINA-BEXAR-COMAL-GUADALUPE-
CALDWELL-WILSON-GONZALES-
INCLUDING THE CITIES OF...GEORGETOWN...SAN MARCOS...AUSTIN...
BASTROP...GIDDINGS...HONDO...SAN ANTONIO...NEW BRAUNFELS...
SEGUIN...LOCKHART...FLORESVILLE...GONZALES
1004 PM CST WED DEC 7 2016

...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM TO 4 PM CST
THURSDAY...

* TIMING...THURSDAY MORNING THROUGH THURSDAY AFTERNOON.

* WINDS...NORTH WINDS SUSTAINED 20 TO 30 MPH WITH GUSTS TO AROUND
  40 MPH.

* IMPACTS...WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. IN 
  ADDITION...LIGHTWEIGHT OBJECTS SUCH AS LAWN FURNITURE MAY 
  BECOME AIRBORNE. TAKE ACTION TO SECURE THESE ITEMS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 26 TO 39 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
540 
WWUS74 KEWX 082035
NPWEWX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
235 PM CST THU DEC 8 2016

TXZ173-191>194-204>208-221-223-090500-
/O.CAN.KEWX.WI.Y.0004.000000T0000Z-161208T2200Z/
/O.NEW.KEWX.FZ.W.0003.161209T0600Z-161209T1500Z/
WILLIAMSON-HAYS-TRAVIS-BASTROP-LEE-MEDINA-BEXAR-COMAL-GUADALUPE-
CALDWELL-WILSON-GONZALES-
INCLUDING THE CITIES OF...GEORGETOWN...SAN MARCOS...AUSTIN...
BASTROP...GIDDINGS...HONDO...SAN ANTONIO...NEW BRAUNFELS...
SEGUIN...LOCKHART...FLORESVILLE...GONZALES
235 PM CST THU DEC 8 2016

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CST
FRIDAY...
...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
FREEZE WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
CST FRIDAY. THE WIND ADVISORY HAS BEEN CANCELLED. 

* TEMPERATURE...LOW TEMPERATURES FRIDAY MORNING IN THE MID 20S
  ACROSS THE HILL COUNTRY AND IN THE UPPER 20S TO LOW 30S
  ELSEWHERE.

* IMPACTS...FREEZING TEMPERATURES MAY RESULT IN DAMAGE TO TENDER
  VEGETATION AND SENSITIVE PLANTS AND THESE PLANTS SHOULD BE
  PROTECTED. THOSE WITH COLD-SENSITIVE ANIMALS...OR OTHER CONCERNS
  RELATED TO FREEZING TEMPERATURES SUCH AS SPRINKLER SYSTEMS...
  SHOULD PREPARE NOW FOR THIS FREEZE.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

TXZ183>185-187-202-203-209-225-090500-
/O.NEW.KEWX.FZ.W.0003.161209T0600Z-161209T1500Z/
VAL VERDE-EDWARDS-REAL-BANDERA-KINNEY-UVALDE-FAYETTE-LAVACA-
INCLUDING THE CITIES OF...DEL RIO...ROCKSPRINGS...LEAKEY...
BANDERA...BRACKETVILLE...UVALDE...LA GRANGE...HALLETSVILLE
235 PM CST THU DEC 8 2016

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
FREEZE WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
CST FRIDAY. 

* TEMPERATURE...LOW TEMPERATURES FRIDAY MORNING IN THE MID 20S
  ACROSS THE HILL COUNTRY AND IN THE UPPER 20S TO LOW 30S
  ELSEWHERE.

* IMPACTS...FREEZING TEMPERATURES MAY RESULT IN DAMAGE TO TENDER
  VEGETATION AND SENSITIVE PLANTS AND THESE PLANTS SHOULD BE
  PROTECTED. THOSE WITH COLD-SENSITIVE ANIMALS...OR OTHER CONCERNS
  RELATED TO FREEZING TEMPERATURES SUCH AS SPRINKLER SYSTEMS...
  SHOULD PREPARE NOW FOR THIS FREEZE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Nearby

Wind Advisories in Texas, 2016Every wind advisory in 2016

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.