Alert archive / Texas / Red Flag Warnings in 2017

Red Flag Warning 1, NWS Austin/San Antonio, TX

January 21, 201733 counties in Texas

NWS Austin/San Antonio, TX issued this red flag warning at Jan 21, 2017, 6:05 PM CST for 33 counties in Texas. It was in force for 24 hr. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jan 21, 2017, 6:05 PM CST (00:05 UTC)
Expired
Jan 22, 2017, 6:00 PM CST
In force
24 hr
Issued by
NWS Austin/San Antonio, TX
All 33 counties

Atascosa County, TX, Bandera County, TX, Bastrop County, TX, Bexar County, TX, Blanco County, TX, Burnet County, TX, Caldwell County, TX, Comal County, TX, DeWitt County, TX, Dimmit County, TX, Edwards County, TX, Fayette County, TX, Frio County, TX, Gillespie County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Karnes County, TX, Kendall County, TX, Kerr County, TX, Kinney County, TX, Lavaca County, TX, Lee County, TX, Llano County, TX, Maverick County, TX, Medina County, TX, Real County, TX, Travis County, TX, Uvalde County, TX, Val Verde County, TX, Williamson County, TX, Wilson County, TX, Zavala County, TX

The radar

The Austin/San Antonio radar (KEWX), 57 km from the middle of the area, began a volume at 00:06 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.

What was reported inside it

TimeReportWhereRemark
Jan 22, 12:26 PM CSTNON-TSTM WND DMG4 Nw Brooks City Base, TXSOCIAL MEDIA POST WITH PHOTO OF LARGE PECAN TREE BLOWN OVER ON FAIRVIEW AVENUE.
Jan 22, 12:51 PM CSTNON-TSTM WND DMG2 Ese Leon Valley, TXCOVERED PARKING STRUCTURE DESTROYED BY STRONG WINDS AT SUMMIT OAKS APARTMENTS

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Del Rio, TX (KDLF), launched 00:00Z, 0.1 hours before the alert went out and 218 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, Del Rio, TX at 00:00Z on 2017-01-22Temperature 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, Del Rio, TX at 00:00Z on 2017-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -185 square meters per square second.1939587897117136Sfc1 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
2195 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
-185 m²/s²
0-3 km storm-relative helicity
-105 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

138 
WWUS84 KEWX 220005
RFWEWX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
605 PM CST SAT JAN 21 2017

...RED FLAG WARNING IN EFFECT THROUGH EARLY SUNDAY EVENING FOR ALL
OF SOUTH CENTRAL TEXAS DUE TO VERY GUSTY NORTHWEST WINDS AND LOW 
HUMIDITY...

.GUSTY NORTHWEST WINDS AND LOW RELATIVE HUMIDITIES EARLY THIS 
EVENING ARE PRODUCING LOCALLY CRITICAL FIRE WEATHER CONDITIONS 
ACROSS THE RIO GRANDE PLAINS. A BRIEF DECREASE IN THE WINDS MAY 
OCCUR THROUGH THE EVENING. HOWEVER...WINDS WILL INCREASE AGAIN AND
BECOME STRONGER OVERNIGHT THROUGH SUNDAY AFTERNOON. NORTHWEST 
WINDS OF 25 TO 30 MPH WITH GUSTS NEAR 45 MPH ARE FORECAST TO OCCUR
DURING THIS TIME. THE PEAK OF THE WINDS WILL OCCUR LATE MORNING 
THROUGH EARLY AFTERNOON ON SUNDAY. MINIMUM RELATIVE HUMIDITIES OF 
15 TO 20 PERCENT ARE FORECAST TO OCCUR NEAR THE RIO GRANDE AND 20 
TO 35 PERCENT ELSEWHERE. 

THESE CONDITIONS WILL BE CONDUCIVE FOR RAPID FIRE GROWTH AND 
SPREAD...ESPECIALLY IN CURED GRASSES. A HIGH TO VERY HIGH FIRE 
DANGER WILL EXIST SUNDAY NEAR A FREDERICKSBURG TO SAN ANTONIO TO 
KARNES CITY LINE AND ALL THE WAY WEST TO THE RIO GRANDE. EAST OF 
THIS LINE A MODERATE TO HIGH FIRE DANGER WILL EXIST.

NORTHWEST WINDS WILL DECREASE SUNDAY EVENING...BUT HUMIDITIES 
WILL CONTINUE TO REMAIN LOW.

TXZ171>173-183>194-202>209-217>225-228-221030-
/O.UPG.KEWX.FW.A.0001.000000T0000Z-170123T0000Z/
/O.NEW.KEWX.FW.W.0001.170122T0005Z-170123T0000Z/
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-
605 PM CST SAT JAN 21 2017

...RED FLAG WARNING IN EFFECT UNTIL 6 PM CST SUNDAY FOR VERY
STRONG NORTH WEST WINDS AND LOW RELATIVE HUMIDITY ACROSS ALL OF
SOUTH CENTRAL TEXAS...

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A 
RED FLAG WARNING, WHICH IS IN EFFECT UNTIL 6 PM CST SUNDAY.

* AFFECTED AREA...ALL OF SOUTH CENTRAL TEXAS.

* WIND...NORTHWEST 25 TO 30 MPH WITH GUSTS NEAR 45 MPH.

* HUMIDITY...MINIMUM AFTERNOON HUMIDITY RANGING FROM 15 TO 35 PERCENT

* 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.

&&

$$
5 follow-up statements
827 
WWUS84 KEWX 221226
RFWEWX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
626 AM CST SUN JAN 22 2017

...RED FLAG WARNING IN EFFECT THROUGH EARLY SUNDAY EVENING FOR
ALL OF SOUTH CENTRAL TEXAS DUE TO VERY GUSTY NORTHWEST WINDS AND
LOW HUMIDITY...

.DRY AND WINDY CONDITIONS ALONG WITH MODERATE TO HIGH FIRE DANGER
WILL RESULT CRITICAL FIRE WEATHER CONDITIONS FOR ALL AREAS TODAY.
A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM FOR GUSTY WEST TO
NORTHWEST WINDS AND LOW HUMIDITIES. RAPID FIRE GROWTH AND SPREAD 
WILL LIKELY OCCUR IN CURED FUELS...SUCH AS DRY GRASSES. NORTHWEST
WINDS WILL DECREASE AFTER SUNSET TODAY...BUT HUMIDITIES WILL 
CONTINUE TO REMAIN LOW.

TXZ171>173-183>194-202>209-217>225-228-222000-
/O.CON.KEWX.FW.W.0001.000000T0000Z-170123T0000Z/
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-
626 AM CST SUN JAN 22 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING
FOR GUSTY WEST TO NORTHWEST WINDS AND LOW HUMIDITIES...

* AFFECTED AREA...ALL OF SOUTH CENTRAL TEXAS.

* WIND...WEST TO NORTHWEST 25 TO 30 MPH WITH GUSTS NEAR 45 MPH.

* HUMIDITY...MINIMUM AFTERNOON HUMIDITY RANGING FROM 15 TO 35 
  PERCENT

* 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.

&&

$$
275 
WWUS84 KEWX 221348
RFWEWX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
748 AM CST SUN JAN 22 2017

...RED FLAG WARNING IN EFFECT THROUGH EARLY SUNDAY EVENING FOR 
ALL OF SOUTH CENTRAL TEXAS DUE TO VERY GUSTY WEST TO NORTHWEST 
WINDS AND LOW HUMIDITY...

.DRY AND WINDY CONDITIONS ALONG WITH MODERATE TO HIGH FIRE DANGER
WILL RESULT CRITICAL FIRE WEATHER CONDITIONS FOR ALL AREAS TODAY.
A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM FOR GUSTY WEST TO
NORTHWEST WINDS AND LOW HUMIDITIES. RAPID FIRE GROWTH AND SPREAD
WILL LIKELY OCCUR IN CURED FUELS...SUCH AS DRY GRASSES. WIND
SPEEDS WILL DECREASE AFTER SUNSET TODAY...BUT HUMIDITIES WILL 
CONTINUE TO REMAIN LOW.

TXZ171>173-183>194-202>209-217>225-228-222200-
/O.CON.KEWX.FW.W.0001.000000T0000Z-170123T0000Z/
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-
748 AM CST SUN JAN 22 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING
FOR GUSTY WEST TO NORTHWEST WINDS AND LOW HUMIDITIES...

* AFFECTED AREA...ALL OF SOUTH CENTRAL TEXAS.

* WIND...WEST TO NORTHWEST WINDS SUSTAINED 25 TO 35 MPH WITH GUSTS
  OF 45 TO 50 MPH.

* HUMIDITY...MINIMUM AFTERNOON HUMIDITY RANGING FROM 15 TO 30 
  PERCENT

* 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.

&&

$$
961 
WWUS84 KEWX 221633
RFWEWX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1033 AM CST SUN JAN 22 2017

...RED FLAG WARNING IN EFFECT THROUGH EARLY SUNDAY EVENING FOR
ALL OF SOUTH CENTRAL TEXAS DUE TO VERY GUSTY WEST TO NORTHWEST
WINDS AND LOW HUMIDITY...

.DRY AND WINDY CONDITIONS ALONG WITH MODERATE TO HIGH FIRE DANGER
WILL RESULT CRITICAL FIRE WEATHER CONDITIONS FOR ALL AREAS TODAY.
A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM FOR GUSTY WEST TO
NORTHWEST WINDS AND LOW HUMIDITIES. RAPID FIRE GROWTH AND SPREAD
WILL LIKELY OCCUR IN CURED FUELS...SUCH AS DRY GRASSES. WIND
SPEEDS WILL DECREASE AFTER SUNSET TODAY...BUT HUMIDITIES WILL
CONTINUE TO REMAIN LOW.

TXZ171>173-183>194-202>209-217>225-228-230000-
/O.CON.KEWX.FW.W.0001.000000T0000Z-170123T0000Z/
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-
1033 AM CST SUN JAN 22 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING
FOR GUSTY WEST TO NORTHWEST WINDS AND LOW HUMIDITIES...

* AFFECTED AREA...ALL OF SOUTH CENTRAL TEXAS.

* WIND...WEST TO NORTHWEST WINDS SUSTAINED 25 TO 35 MPH WITH GUSTS
  OF 45 TO 50 MPH. ISOLATED GUSTS AROUND 55 MPH POSSIBLE. 

* HUMIDITY...MINIMUM AFTERNOON HUMIDITY RANGING FROM 12 TO 30
  PERCENT.

* 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.

&&

$$
663 
WWUS84 KEWX 222042 AAA
RFWEWX

URGENT - FIRE WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
242 PM CST SUN JAN 22 2017

...RED FLAG WARNING IN EFFECT THROUGH 6PM TONIGHT FOR ALL OF 
SOUTH CENTRAL TEXAS DUE TO VERY GUSTY WEST TO NORTHWEST WINDS AND 
LOW HUMIDITY...

.DRY AND WINDY CONDITIONS ALONG WITH MODERATE TO HIGH FIRE DANGER
ARE RESULTING IN CRITICAL FIRE WEATHER CONDITIONS FOR ALL AREAS 
TODAY. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM TONIGHT FOR
GUSTY WEST TO NORTHWEST WINDS AND LOW HUMIDITIES. RAPID FIRE 
GROWTH AND SPREAD WILL LIKELY OCCUR IN CURED FUELS...SUCH AS DRY 
GRASSES. WIND SPEEDS WILL DECREASE AFTER SUNSET TODAY...BUT 
HUMIDITIES WILL CONTINUE TO REMAIN LOW.

TXZ171>173-183>194-202>209-217>225-228-230000-
/O.CON.KEWX.FW.W.0001.000000T0000Z-170123T0000Z/
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-
242 PM CST SUN JAN 22 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING
FOR GUSTY WEST TO NORTHWEST WINDS AND LOW HUMIDITIES...

* AFFECTED AREA...ALL OF SOUTH CENTRAL TEXAS.

* WIND...WEST TO NORTHWEST WINDS SUSTAINED 25 TO 35 MPH WITH GUSTS
  OF 40 TO 45 MPH. ISOLATED GUSTS AROUND 50 MPH POSSIBLE. WINDS
  WILL DECREASE AFTER 6PM AND THROUGH THE EVENING TO NEAR 10 MPH. 

* HUMIDITY...MINIMUM AFTERNOON HUMIDITY RANGING FROM 12 TO 30
  PERCENT. HUMIDITY VALUES WILL SLOWLY INCREASE THROUGH THE
  EVENING HOURS. 

* 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.

&&

$$

ALLEN
774 
WWUS84 KEWX 222359
RFWEWX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
559 PM CST SUN JAN 22 2017

...RED FLAG WARNING ALLOWED TO EXPIRE...

.FIRE WEATHER CONDITIONS HAVE IMPROVED ABOVE WARNING CRITERIA AND
WILL CONTINUE TO GET BETTER. WINDS HAVE DECREASED AND RELATIVE
HUMIDITY WILL INCREASE AS TEMPERATURES DROP.

TXZ171>173-183>194-202>209-217>225-228-230100-
/O.EXP.KEWX.FW.W.0001.000000T0000Z-170123T0000Z/
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-
559 PM CST SUN JAN 22 2017

...RED FLAG WARNING WILL EXPIRE AT 6 PM...

WINDS HAVE DECREASED AND RELATIVE HUMIDITY HAS INCREASED AND MOST
OF THE REGION IS NO LONGER EXPERIENCING RED FLAG CONDITIONS. WINDS
WILL CONTINUE TO DECREASE THIS EVENING...BUT A FEW SPOTS COULD
STILL HAVE RED FLAG WINDS FOR THE NEXT HOUR.

$$

Nearby

Red Flag Warnings in Texas, 2017Every red flag warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.