Alert archive / Texas / Red Flag Warnings in 2009

Red Flag Warning 39, NWS Midland/Odessa, TX

April 26, 20095 counties in Texas

NWS Midland/Odessa, TX issued this red flag warning at Apr 26, 2009, 4:41 AM CDT for 5 counties in Texas. It took effect at Apr 26, 2009, 11:00 AM CDT. It was in force for 9 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
Apr 26, 2009, 4:41 AM CDT (09:41 UTC)
In effect from
Apr 26, 2009, 11:00 AM CDT
Expired
Apr 26, 2009, 8:00 PM CDT
In force
9 hr
Issued by
NWS Midland/Odessa, TX

Counties Andrews County, TX, Gaines County, TX, Loving County, TX, Ward County, TX, Winkler County, TX

The radar

The Midland/Odessa radar (KMAF), 77 km from the middle of the area, began a volume at 09:43 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

Midland Regional, TX (KMAF), launched 00:00Z, 9.7 hours before the alert went out and 76 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, Midland Regional, TX at 00:00Z on 2009-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1898 joules per kilogram.LCLLFCEL10008507005003002001001 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, Midland Regional, TX at 00:00Z on 2009-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
1898 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
1766 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
0.2
Supercell composite
4.2

Open this sounding in Storm Lab

The text

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

000 
WWUS84 KMAF 260941
RFWMAF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
441 AM CDT SUN APR 26 2009

...A RED FLAG WARNING IS NOW IN EFFECT THIS AFTERNOON FOR LOW
RELATIVE HUMIDITIES AND STRONG WESTERLY 20 FOOT WINDS ACROSS THE
SOUTHEAST NEW MEXICO PLAINS...THE UPPER TRANS PECOS...THE WESTERN
PERMIAN BASIN...THE DAVIS AND GUADALUPE MOUNTAINS...AS WELL AS THE
VAN HORN CORRIDOR...

.A STRONG UPPER LEVEL STORM SYSTEM LOCATED ACROSS THE FOUR CORNERS
REGION WILL MOVE ACROSS THE REGION TODAY. STRONG MID LEVEL WINDS
IN ASSOCIATION WITH THIS FEATURE ARE EXPECTED TO OVERSPREAD THE 
REGION BEGINNING THIS MORNING. STRONG DAYTIME HEATING TO THE WEST
OF AN EASTWARD MOVING DRYLINE WILL ALLOW STRONG MID LEVEL WINDS TO
MIX DOWN TO THE SURFACE. AS A RESULT...SUSTAINED 20 FOOT WINDS IN
EXCESS OF 20 MPH WILL COMBINE WITH DANGEROUSLY LOW RELATIVE
HUMIDITY VALUES TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS ACROSS
PORTIONS OF THE AREA. CONTINUED HIGH FIRE DANGER WILL ALLOW ANY
NEW OR EXISTING FIRES TO GROW AND SPREAD RAPIDLY. MEMBERS OF THE
FIREFIGHTING COMMUNITY SHOULD BE PREPARED FOR ELEVATED FIRE
WEATHER CONDITIONS BY THIS AFTERNOON.

NMZ114-115-TXZ258-262100-
/O.UPG.KMAF.FW.A.0037.090426T1800Z-090427T0100Z/
/O.NEW.KMAF.FW.W.0039.090426T1600Z-090427T0100Z/
GUADALUPE MOUNTAINS NP/LINCOLN NF/LNZ-
SOUTHEAST PLAINS/BLM ROSWELL/LNZ-GUADALUPE MOUNTAINS-
341 AM MDT SUN APR 26 2009

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 7 PM MDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MIDLAND/ODESSA HAS ISSUED A RED
FLAG WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM
MDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

WESTERLY 20 FOOT WINDS OF 30 TO 40 MPH WITH GUSTS NEAR 50 MPH
ALONG WITH MINIMUM RH/S NEAR 10 PERCENT ARE ARE EXPECTED ACROSS
THE GUADALUPE MOUNTAINS THIS AFTERNOON. MEANWHILE...WINDS OF 20 
TO 30 MPH ARE EXPECTED ACROSS THE SOUTHEAST NEW MEXICO PLAINS.
STRONG WINDS AND CRITICALLY LOW RELATIVE HUMIDITY LEVELS...ALONG
WITH VERY HIGH FIRE DANGER WILL COMBINE TO PRODUCE CRITICAL FIRE
WEATHER CONDITIONS DURING THE AFTERNOON AND EARLY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID THE USE OF OPEN FLAMES OR ANY ACTIVITIES THAT MAY GENERATE
SPARKS. ACCIDENTAL IGNITIONS WILL HAVE THE POTENTIAL TO GROW
QUICKLY INTO DANGEROUS WIND-DRIVEN WILDFIRES.

&&

$$

TXZ045-050-057>060-067-074-262100-
/O.NEW.KMAF.FW.W.0039.090426T1600Z-090427T0100Z/
GAINES-ANDREWS-VAN HORN AND HIGHWAY 54 CORRIDOR-
REEVES COUNTY AND UPPER TRANS PECOS-LOVING-WINKLER-WARD-
DAVIS/APACHE MOUNTAINS AREA-
441 AM CDT SUN APR 26 2009

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MIDLAND/ODESSA HAS ISSUED A RED
FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM
CDT THIS EVENING. 

STRONG 20 FOOT WINDS IN EXCESS OF 20 MPH ALONG WITH DANGEROUSLY 
LOW RELATIVE HUMIDITY LEVELS AND CONTINUED HIGH FIRE DANGER WILL
COMBINE TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS ACROSS THE
AREA THIS AFTERNOON. ANY NEW OR EXISTING FIRES WILL BE CAPABLE OF
RAPID SPREAD AND GROWTH AND ALL EFFORTS SHOULD BE MADE TO PREVENT
ACCIDENTAL FIRE STARTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID THE USE OF OPEN FLAMES OR ANY ACTIVITIES THAT MAY GENERATE
SPARKS. ACCIDENTAL IGNITIONS WILL HAVE THE POTENTIAL TO GROW
QUICKLY INTO DANGEROUS WIND-DRIVEN WILDFIRES.

&&

$$
2 follow-up statements
000 
WWUS84 KMAF 262020
RFWMAF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
320 PM CDT SUN APR 26 2009

NMZ114-115-TXZ045-050-057>060-067-074-258-270100-
/O.CON.KMAF.FW.W.0039.000000T0000Z-090427T0100Z/
GUADALUPE MOUNTAINS NP/LINCOLN NF/LNZ-
SOUTHEAST PLAINS/BLM ROSWELL/LNZ-GAINES-ANDREWS-
VAN HORN AND HIGHWAY 54 CORRIDOR-
REEVES COUNTY AND UPPER TRANS PECOS-LOVING-WINKLER-WARD-
DAVIS/APACHE MOUNTAINS AREA-GUADALUPE MOUNTAINS-
320 PM CDT SUN APR 26 2009 /220 PM MDT SUN APR 26 2009/

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT /7 PM MDT/
THIS EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT /7 PM MDT/
THIS EVENING. 

20 FOOT WINDS IN EXCESS OF 20 TO 25 MPH AND LOW RH/S NEAR 10
PERCENT IN THE PLAINS AND LOWER ELEVATIONS OF THE UPPER TRANS
PECOS AND SUSTAINED WINDS OF 20 TO 35 MPH WITH GUSTS OF 40 TO 50
MPH IN THE DAVIS AND GUADALUPE MOUNTAINS ARE RESULTING IN CRITICAL
FIRE WEATHER CONDITIONS. THESE CONDITIONS WILL PERSIST THROUGH
EARLY EVENING. ANY NEW OR EXISTING FIRES WILL BE CAPABLE OF RAPID
SPREAD. THE FIRE DANGER IS VERY HIGH AND THE PUBLIC IS ENCOURAGED
TO PREVENT ACCIDENTAL FIRE STARTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID THE USE OF OPEN FLAMES OR ANY ACTIVITIES THAT MAY GENERATE
SPARKS. ACCIDENTAL IGNITIONS WILL HAVE THE POTENTIAL TO GROW
QUICKLY INTO DANGEROUS WIND-DRIVEN WILDFIRES.

&&

$$
000 
WWUS84 KMAF 270106
RFWMAF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
806 PM CDT SUN APR 26 2009

NMZ114-115-TXZ045-050-057>060-067-074-258-270215-
/O.EXP.KMAF.FW.W.0039.000000T0000Z-090427T0100Z/
GUADALUPE MOUNTAINS NP/LINCOLN NF/LNZ-
SOUTHEAST PLAINS/BLM ROSWELL/LNZ-GAINES-ANDREWS-
VAN HORN AND HIGHWAY 54 CORRIDOR-
REEVES COUNTY AND UPPER TRANS PECOS-LOVING-WINKLER-WARD-
DAVIS/APACHE MOUNTAINS AREA-GUADALUPE MOUNTAINS-
806 PM CDT SUN APR 26 2009 /706 PM MDT SUN APR 26 2009/

...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING FOR THE SOUTHEAST NEW MEXICO AND PORTIONS
OF WEST TEXAS IS NO LONGER IN EFFECT.

$$

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 26, 2:46 PM CDTSevere Thunderstorm WarningMAFPecos59 min
Apr 26, 2:53 PM CDTTornado WarningMAFPecos, Terrell37 min
Apr 26, 3:29 PM CDTTornado WarningMAFPecos, Terrell46 min
Apr 26, 4:01 PM CDTSevere Thunderstorm WarningMAFGlasscock, Midland, Upton44 min
Apr 26, 4:03 PM CDTSevere Thunderstorm WarningMAFPecos57 min
Apr 26, 4:13 PM CDTTornado WarningMAFPecos, Terrell17 min
Apr 26, 4:34 PM CDTSevere Thunderstorm WarningMAFGlasscock41 min
Apr 26, 4:44 PM CDTSevere Thunderstorm WarningMAFGlasscock46 min
Apr 26, 4:52 PM CDTSevere Thunderstorm WarningMAFHoward, Mitchell, Scurry53 min
Apr 26, 4:59 PM CDTSevere Thunderstorm WarningMAFPecos, Terrell61 min
Apr 26, 5:01 PM CDTSevere Thunderstorm WarningMAFGlasscock, Howard44 min
Apr 26, 5:27 PM CDTFlash Flood WarningMAFPecos3 hr
Apr 26, 5:30 PM CDTSevere Thunderstorm WarningMAFGlasscock60 min
Apr 26, 5:36 PM CDTSevere Thunderstorm WarningMAFMitchell, Scurry54 min
Apr 26, 6:00 PM CDTSevere Thunderstorm WarningMAFPecos, Terrell60 min

Nearby

Red Flag Warnings in Texas, 2009Red Flag Warnings in New Mexico, 2009Every red flag warning in 2009

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.