Alert archive / Texas / Red Flag Warnings in 2014

Red Flag Warning 7, NWS Austin/San Antonio, TX

May 4, 201416 counties in Texas

NWS Austin/San Antonio, TX issued this red flag warning at May 4, 2014, 5:59 AM CDT for 16 counties in Texas. It took effect at May 4, 2014, 1:00 PM CDT. 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
May 4, 2014, 5:59 AM CDT (10:59 UTC)
In effect from
May 4, 2014, 1:00 PM CDT
Expired
May 4, 2014, 7:00 PM CDT
In force
6 hr
Issued by
NWS Austin/San Antonio, TX

Counties Atascosa County, TX, Bastrop County, TX, Bexar County, TX, Blanco County, TX, Burnet County, TX, Caldwell County, TX, Comal County, TX, DeWitt County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Karnes County, TX, Kendall County, TX, Travis County, TX, Williamson County, TX, Wilson County, TX

The radar

The Austin/San Antonio radar (KEWX), 9 km from the middle of the area, began a volume at 11:01 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 00:00Z, 11.0 hours before the alert went out and 235 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 00:00Z on 2014-05-04Temperature 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 00:00Z on 2014-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.193958Sfc1 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
3392 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
116 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

595 
WWUS84 KEWX 041059
RFWEWX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
559 AM CDT SUN MAY 4 2014

...RED FLAG WARNING FOR MUCH OF THE EASTERN HALF OF SOUTH CENTRAL
TEXAS...

.DRY AND SOARING TEMPERATURES WILL LEAD TO CRITICAL RELATIVE
HUMIDITY OVER MOST OF SOUTH CENTRAL TEXAS THIS AFTERNOON. WINDS
ACROSS THE EASTERN HALF OF THE AREA WILL INCREASE TO CRITICAL
LEVELS AT TIMES THIS AFTERNOON LEADING TO RED FLAG CONDITIONS.
WINDS WILL DROP OFF AFTER 7 PM.

TXZ172-173-189>193-205>208-220>224-050000-
/O.NEW.KEWX.FW.W.0007.140504T1800Z-140505T0000Z/
BURNET-WILLIAMSON-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-BEXAR-COMAL-
GUADALUPE-CALDWELL-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-
559 AM CDT SUN MAY 4 2014

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
CDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES
ACROSS MUCH OF THE EASTERN HALF OF SOUTH CENTRAL TEXAS...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 PM CDT THIS EVENING. 

* AFFECTED AREA...THE FOLLOWING SOUTH CENTRAL TEXAS COUNTIES... 
  BURNET...WILLIAMSON...KENDALL...BLANCO...HAYS...TRAVIS... 
  BASTROP...BEXAR...COMAL...GUADALUPE...CALDWELL...ATASCOSA... 
  WILSON...KARNES...GONZALES...DE WITT. 

* 20-FOOT WIND...10 TO 20 MPH.

* HUMIDITY...14 TO 20 PERCENT.

* THUNDERSTORMS...NONE.

THE HIGHEST THREAT AREA WILL BE NORTH OF A LINE FROM BOERNE TO
BASTROP WITHIN THE WARNED AREA.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$


FOR INFORMATION ON BURN BANS PLEASE VISIT THE TEXAS INTERAGENCY
COORDINATION CENTER WEBSITE AT: TICC.TAMU.EDU
1 follow-up statement
231 
WWUS84 KEWX 041102 CCA
RFWEWX

URGENT - FIRE WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
601 AM CDT SUN MAY 4 2014

CORRECTED FOR ERROR IN OVERVIEW.

...RED FLAG WARNING FOR MUCH OF THE EASTERN HALF OF SOUTH CENTRAL
TEXAS...

.DRY AIR AND SOARING TEMPERATURES WILL LEAD TO CRITICAL RELATIVE
HUMIDITY OVER MOST OF SOUTH CENTRAL TEXAS THIS AFTERNOON. WINDS
ACROSS THE EASTERN HALF OF THE AREA WILL INCREASE TO CRITICAL
LEVELS AT TIMES THIS AFTERNOON LEADING TO RED FLAG CONDITIONS.
WINDS WILL DROP OFF AFTER 7 PM.

TXZ172-173-189>193-205>208-220>224-050000-
/O.NEW.KEWX.FW.W.0007.140504T1800Z-140505T0000Z/
BURNET-WILLIAMSON-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-BEXAR-COMAL-
GUADALUPE-CALDWELL-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-
601 AM CDT SUN MAY 4 2014

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
CDT THIS EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES
ACROSS MUCH OF THE EASTERN HALF OF SOUTH CENTRAL TEXAS...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 PM CDT THIS EVENING. 

* AFFECTED AREA...THE FOLLOWING SOUTH CENTRAL TEXAS COUNTIES... 
  BURNET...WILLIAMSON...KENDALL...BLANCO...HAYS...TRAVIS... 
  BASTROP...BEXAR...COMAL...GUADALUPE...CALDWELL...ATASCOSA... 
  WILSON...KARNES...GONZALES...DE WITT. 

* 20-FOOT WIND...10 TO 20 MPH.

* HUMIDITY...14 TO 20 PERCENT.

* THUNDERSTORMS...NONE.

THE HIGHEST THREAT AREA WILL BE NORTH OF A LINE FROM BOERNE TO
BASTROP WITHIN THE WARNED AREA.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$


FOR INFORMATION ON BURN BANS PLEASE VISIT THE TEXAS INTERAGENCY
COORDINATION CENTER WEBSITE AT: TICC.TAMU.EDU

Nearby

Red Flag Warnings in Texas, 2014Every red flag warning in 2014

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.