Alert archive / Texas / Red Flag Warnings in 2017

Red Flag Warning 4, NWS Austin/San Antonio, TX

March 24, 2017Edwards County, Kinney County, Val Verde County, Texas

NWS Austin/San Antonio, TX issued this red flag warning at Mar 24, 2017, 9:25 AM CDT for Edwards County, Kinney County, Val Verde County, Texas. It took effect at Mar 24, 2017, 12:00 PM CDT. It was in force for 8 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
Mar 24, 2017, 9:25 AM CDT (14:25 UTC)
In effect from
Mar 24, 2017, 12:00 PM CDT
Expired
Mar 24, 2017, 8:00 PM CDT
In force
8 hr
Issued by
NWS Austin/San Antonio, TX

Counties Edwards County, TX, Kinney County, TX, Val Verde County, TX

The radar

The Laughlin AFB radar (KDFX), 62 km from the middle of the area, began a volume at 14:25 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 (KDLF), launched 12:00Z, 2.4 hours before the alert went out and 46 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 12:00Z on 2017-03-24Temperature 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 12:00Z on 2017-03-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 square meters per square second.1939587897117Sfc1 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
1520 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

395 
WWUS84 KEWX 241425
RFWEWX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Austin/San Antonio TX
925 AM CDT Fri Mar 24 2017

TXZ183-184-202-250000-
/O.NEW.KEWX.FW.W.0004.170324T1700Z-170325T0000Z/
Val Verde-Edwards-Kinney-
925 AM CDT Fri Mar 24 2017

...RED FLAG WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR
PORTIONS OF THE EDWARDS PLATEAU AND WESTERN HILL COUNTRY...

The National Weather Service in Austin/San Antonio has issued a 
Red Flag Warning, which is in effect until 7 PM CDT this evening.

* AFFECTED AREA...Edwards...Kinney...Val Verde Counties.

* WIND...West wind 15 to 20 mph with gusts up to 30 mph in the
  afternoon and early evening.

* HUMIDITY...10 to 15 percent in the afternoon and early evening.

* 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.

&&

$$
2 follow-up statements
617 
WWUS84 KEWX 242022 AAA
RFWEWX

URGENT - FIRE WEATHER MESSAGE...UPDATED
National Weather Service Austin/San Antonio TX
322 PM CDT Fri Mar 24 2017

TXZ183-184-202-250000-
/O.CON.KEWX.FW.W.0004.000000T0000Z-170325T0000Z/
Val Verde-Edwards-Kinney-
322 PM CDT Fri Mar 24 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING
FOR PORTIONS OF THE EDWARDS PLATEAU AND WESTERN HILL COUNTRY...

* AFFECTED AREA...Edwards...Kinney...Val Verde Counties1.

* WIND...West wind 10 to 20 mph with gusts up to 25 mph through
  early evening.

* HUMIDITY...8 to 15 percent through early evening.

* 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.

&&

$$
693 
WWUS84 KEWX 242359
RFWEWX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Austin/San Antonio TX
659 PM CDT Fri Mar 24 2017

TXZ183-184-202-250100-
/O.EXT.KEWX.FW.W.0004.000000T0000Z-170325T0100Z/
Val Verde-Edwards-Kinney-
659 PM CDT Fri Mar 24 2017

...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR
PORTIONS OF THE EDWARDS PLATEAU AND WESTERN HILL COUNTRY...

* AFFECTED AREA...Edwards...Kinney...Val Verde Counties1.

* WIND...West wind 10 to 20 mph with gusts up to 25 mph through 
  early evening.

* HUMIDITY...10 to 20 percent through early evening.

* 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.

&&

$$

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 24, 5:29 PM CDTSpecial Weather StatementEWXFayette46 min
Mar 24, 6:45 PM CDTSpecial Weather StatementEWXFayette45 min
Mar 24, 6:57 PM CDTSevere Thunderstorm WarningEWXFayette20 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.