Alert archive / Texas / Red Flag Warnings in 2011

Red Flag Warning 39, NWS Lubbock, TX

May 28, 201114 counties in Texas

NWS Lubbock, TX issued this red flag warning at May 28, 2011, 3:55 PM CDT for 14 counties in Texas. It took effect at May 29, 2011, 12:00 PM 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
May 28, 2011, 3:55 PM CDT (20:55 UTC)
In effect from
May 29, 2011, 12:00 PM CDT
Expired
May 29, 2011, 9:00 PM CDT
In force
9 hr
Issued by
NWS Lubbock, TX

Counties Bailey County, TX, Briscoe County, TX, Castro County, TX, Cochran County, TX, Floyd County, TX, Hale County, TX, Hockley County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Parmer County, TX, Swisher County, TX, Terry County, TX, Yoakum County, TX

The radar

The Lubbock radar (KLBB), 43 km from the middle of the area, began a volume at 20:59 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 8.9 hours before the alert went out and 153 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, Amarillo Airport, TX at 12:00Z on 2011-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 47 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, Amarillo Airport, TX at 12:00Z on 2011-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
47 J/kg
Mixed-layer CIN
-790 J/kg
Mixed-layer LCL
2909 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
131 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.

720 
WWUS84 KLUB 282055
RFWLUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LUBBOCK TX
355 PM CDT SAT MAY 28 2011

TXZ021>023-027>029-033>035-039>041-290500-
/O.UPG.KLUB.FW.A.0041.110529T1700Z-110530T0200Z/
/O.NEW.KLUB.FW.W.0039.110529T1700Z-110530T0200Z/
/O.NEW.KLUB.FW.A.0042.110530T1700Z-110531T0200Z/
/O.CON.KLUB.FW.W.0038.000000T0000Z-110529T0200Z/
PARMER-CASTRO-SWISHER-BAILEY-LAMB-HALE-COCHRAN-HOCKLEY-LUBBOCK-
YOAKUM-TERRY-LYNN-
355 PM CDT SAT MAY 28 2011

...CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE THIS AFTERNOON
AND WILL BE POSSIBLE AGAIN SUNDAY AND MONDAY...

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING
FOR SUSTAINED 20 FOOT WINDS OF 20 MPH OR GREATER...RELATIVE
HUMIDITY VALUES OF 15 PERCENT OR LESS AND A HIGH FIRE DANGER FOR
THE WESTERN AND SOUTHWESTERN SOUTH PLAINS...

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM CDT SUNDAY FOR
SUSTAINED 20 FOOT WINDS OF 20 MPH OR GREATER...RELATIVE HUMIDITY
VALUES OF 15 PERCENT OR LESS AND A HIGH FIRE DANGER FOR THE NORTH
CENTRAL...CENTRAL AND WESTERN SOUTH PLAINS...

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH
MONDAY EVENING FOR SUSTAINED 20 FOOT WINDS OF 20 MPH OR GREATER...
RELATIVE HUMIDITY VALUES OF 15 PERCENT OR LESS AND A HIGH FIRE
DANGER FOR THE NORTH CENTRAL...CENTRAL AND WESTERN SOUTH PLAINS...

THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 9 PM CDT SUNDAY. A FIRE
WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH IS IN
EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING. THE FIRE
WEATHER WATCH IS NO LONGER IN EFFECT. A RED FLAG WARNING REMAINS
IN EFFECT UNTIL 9 PM CDT THIS EVENING. 

TEMPERATURES HAVE WARMED INTO THE UPPER 90S TO TRIPLE DIGIT
READINGS AND THUS...RELATIVE HUMIDITY VALUE HAVE FALLEN BELOW 10
PERCENT. THE ABOVE CONDITIONS COMBINED WITH CRITICALLY DRY FUELS
AND AN ONGOING DROUGHT WILL RESULT IN CRITICAL FIRE WEATHER
CONDITIONS. WIND SPEEDS AND CONSEQUENTLY THE FIRE WEATHER THREAT
IS ANTICIPATED TO DECLINE A FEW HOURS AFTER SUNSET. 

SIMILAR WEATHER TODAY WILL AGAIN BE POSSIBLE WEST OF THE DRYLINE
ACROSS MUCH THE CAPROCK ON SUNDAY AND MONDAY. WITH ELEVATED
THUNDERSTORMS ANTICIPATED TO DEVELOP ALONG THE DRYLINE...THE
THREAT OF WILDFIRES SPARKED BY DRY LIGHTNING WILL BE POSSIBLE LATE
IN THE DAY.

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 WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

TXZ024-030-290500-
/O.NEW.KLUB.FW.W.0039.110529T1700Z-110530T0200Z/
/O.NEW.KLUB.FW.A.0042.110530T1700Z-110531T0200Z/
BRISCOE-FLOYD-
355 PM CDT SAT MAY 28 2011

...CRITICAL FIRE WEATHER CONDITIONS WILL BE POSSIBLE SUNDAY AND
MONDAY...

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM CDT SUNDAY FOR
SUSTAINED 20 FOOT WINDS OF 20 MPH OR GREATER...RELATIVE HUMIDITY
VALUES OF 15 PERCENT OR LESS AND HIGH FIRE DANGER FOR THE WESTERN
AND SOUTHWESTERN SOUTH PLAINS...

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH
MONDAY EVENING FOR SUSTAINED 20 FOOT WINDS OF 20 MPH OR GREATER...
RELATIVE HUMIDITY VALUES OF 15 PERCENT OR LESS AND HIGH FIRE
DANGER FOR THE NORTH CENTRAL...CENTRAL AND WESTERN SOUTH PLAINS...

THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 9 PM CDT SUNDAY. A FIRE
WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH IS IN
EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING. 

A SURFACE LOW PRESSURE SYSTEM NORTHWEST OF THE SOUTH PLAINS WILL
INDUCE A TIGHTENED PRESSURE GRADIENT ACROSS THE SOUTH
PLAINS...PROMOTE BREEZY SOUTHERLY WINDS. THE DRYLINE WILL BE
LOCATED ACROSS THE EASTERN EDGE OF THE CAPROCK...AS TEMPERATURES
WARM 10 TO 15 DEGREES ABOVE NORMAL. AS A RESULT...AREAS WEST OF
THE DRYLINE WHICH GENERALLY INCLUDES LOCALES ON THE CAPROCK...WILL
EXPERIENCE RELATIVE HUMIDITY VALUES BELOW 15 PERCENT. THIS
COMBINED WITH CRITICALLY DRY FUELS AND AN ONGOING DROUGHT WILL
PROMOTE CRITICAL FIRE WEATHER CONDITIONS. 

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 WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$
3 follow-up statements
720 
WWUS84 KLUB 290247 AAA
RFWLUB

URGENT - FIRE WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE LUBBOCK TX
947 PM CDT SAT MAY 28 2011

TXZ021>024-027>030-033>035-039>041-291100-
/O.CON.KLUB.FW.W.0039.110529T1700Z-110530T0200Z/
/O.CON.KLUB.FW.A.0042.110530T1700Z-110531T0200Z/
PARMER-CASTRO-SWISHER-BRISCOE-BAILEY-LAMB-HALE-FLOYD-COCHRAN-
HOCKLEY-LUBBOCK-YOAKUM-TERRY-LYNN-
947 PM CDT SAT MAY 28 2011

...RED FLAG WARNING IN EFFECT FROM NOON CDT SUNDAY UNTIL 9 PM CDT 
FOR SUSTAINED 20 FOOT WINDS OF 20 MPH OR GREATER...RELATIVE
HUMIDITY VALUES OF 15 PERCENT OR LESS AND A HIGH FIRE DANGER FOR
THE WESTERN AND SOUTHWESTERN SOUTH PLAINS...

...FIRE WEATHER WATCH REMAINS IN EFFECT MONDAY AFTERNOON AND
EVENING FOR THE THREAT OF CRITICAL FIRE WEATHER CONDITIONS ACROSS
THE WESTERN AND SOUTHWESTERN SOUTH PLAINS...

THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 9 PM CDT SUNDAY. A FIRE
WEATHER WATCH IS ALSO IN EFFECT MONDAY AFTERNOON AND EVENING.

CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TO DEVELOP ONCE
AGAIN SUNDAY AFTERNOON ACROSS MUCH OF THE CAPROCK. BREEZY
SOUTHWESTERLY WINDS FROM 20 TO 25 MPH AT THE 20-FOOT LEVEL AND 
MINIMUM RELATIVE HUMIDITIES BETWEEN 5 AND 15 PERCENT FOR SEVERAL
HOURS WILL LEAD TO CRITICAL FIRE WEATHER BEHAVIOR. ALSO...THERE IS 
A THREAT OF HIGH-BASED THUNDERSTORMS BY LATE IN THE DAY ALONG A
DRYLINE THAT WILL PUSH WEST FROM THE EDGE OF THE CAPROCK INTO THE
SOUTH PLAINS BY LATE EVENING. ANY CLOUD-TO-GROUND LIGHTNING WITH
THESE THUNDERSTORMS COULD PRODUCE RAPID FIRE STARTS AND QUICKLY
SPREAD DUE TO LOCALLY STRONG AND ERRATIC THUNDERSTORM WINDS.
THESE CONDITIONS MAY BE REPEATED IN A SIMILAR FASHION ON MONDAY.

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 WILL
CREATE RAPID FIRE GROWTH POTENTIAL.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$
484 
WWUS84 KLUB 291038
RFWLUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LUBBOCK TX
538 AM CDT SUN MAY 29 2011

TXZ021>024-027>030-033>035-039>041-292100-
/O.CON.KLUB.FW.W.0039.110529T1700Z-110530T0200Z/
/O.CON.KLUB.FW.A.0042.110530T1700Z-110531T0200Z/
PARMER-CASTRO-SWISHER-BRISCOE-BAILEY-LAMB-HALE-FLOYD-COCHRAN-
HOCKLEY-LUBBOCK-YOAKUM-TERRY-LYNN-
538 AM CDT SUN MAY 29 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM CDT
THIS EVENING FOR SUSTAINED 20 FOOT WINDS OF 20 MPH OR GREATER...
RELATIVE HUMIDITY VALUES OF 15 PERCENT OR LESS AND AN EXTREME FIRE
DANGER FOR MUCH OF THE CAPROCK... 
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON
THROUGH MONDAY EVENING FOR SUSTAINED 20 FOOT WINDS OF 20 MPH OR
GREATER...RELATIVE HUMIDITY VALUES OF 15 PERCENT OR LESS AND AN
EXTREME FIRE DANGER FOR MUCH OF THE CAPROCK...

A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM CDT
THIS EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY
AFTERNOON THROUGH MONDAY EVENING. 

CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP THIS AFTERNOON TO
THE WEST OF A DRYLINE ACROSS MUCH OF THE CAPROCK. SOUTHWESTERLY
WINDS WILL INCREASE TO 20 TO 30 MPH AT THE 20-FOOT LEVEL AS NEAR
RECORD HIGH TEMPERATURES COMBINE WITH VERY DRY AIR TO PRODUCE 
MINIMUM RELATIVE HUMIDITIES NEAR 5 PERCENT. ALSO...THERE IS A
THREAT OF HIGH-BASED THUNDERSTORMS BY LATE IN THE DAY ALONG THE 
DRYLINE THAT WILL PUSH WEST FROM THE EDGE OF THE CAPROCK INTO THE
SOUTH PLAINS BY LATE EVENING. ANY CLOUD-TO-GROUND LIGHTNING WITH
THESE THUNDERSTORMS COULD PRODUCE FIRE STARTS AND QUICK FIRE SPREAD
DUE TO LOCALLY STRONG AND ERRATIC THUNDERSTORM WINDS. THESE
CONDITIONS MAY BE REPEATED IN A SIMILAR FASHION ACROSS THE SAME
AREA ON MONDAY.

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 WILL
CREATE RAPID FIRE GROWTH POTENTIAL.

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

$$
417 
WWUS84 KLUB 292032
RFWLUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LUBBOCK TX
332 PM CDT SUN MAY 29 2011

TXZ021>024-027>030-033>035-039>041-300200-
/O.UPG.KLUB.FW.A.0042.110530T1700Z-110531T0200Z/
/O.NEW.KLUB.FW.W.0040.110530T1700Z-110531T0200Z/
/O.CON.KLUB.FW.W.0039.000000T0000Z-110530T0200Z/
PARMER-CASTRO-SWISHER-BRISCOE-BAILEY-LAMB-HALE-FLOYD-COCHRAN-
HOCKLEY-LUBBOCK-YOAKUM-TERRY-LYNN-
332 PM CDT SUN MAY 29 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING...
AND ALSO FROM NOON TO 9 PM CDT MONDAY...FOR SUSTAINED 20 FOOT WINDS
OF 20 MPH OR GREATER...RELATIVE HUMIDITY VALUES OF 15 PERCENT OR LESS
AND HIGH FIRE DANGER FOR AREAS ON THE CAPROCK...

THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A RED FLAG WARNING
FOR MONDAY AFTERNOON AND EVENING. A RED FLAG WARNING REMAINS IN
EFFECT AS WELL THIS EVENING UNTIL 9 PM CDT.

CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE THIS EVENING TO THE
WEST OF A DRY-LINE...ESSENTIALLY ALL AREAS LYING ON THE CAPROCK. 
SOUTHWESTERLY WINDS FROM 20 TO 30 MPH AT THE 20-FOOT LEVEL WILL
COMBINE WITH NEAR RECORD HIGH TEMPERATURES AND RELATIVE HUMIDITY
LEVELS CLOSE TO 5 PERCENT. ALSO...THERE IS A LOW THREAT FOR A FEW
HIGH-BASED THUNDERSTORMS ALONG THE DRYLINE THAT WILL PUSH WEST
FROM THE EDGE OF THE CAPROCK INTO THE SOUTH PLAINS DURING THE
EVENING. ANY CLOUD-TO-GROUND LIGHTNING WITH THESE THUNDERSTORMS
COULD PRODUCE FIRE STARTS AND QUICK FIRE SPREAD DUE TO LOCALLY
STRONG AND ERRATIC THUNDERSTORM WINDS. THESE CONDITIONS ARE EXPECTED
TO REPEAT IN A SIMILAR FASHION ACROSS THE SAME AREA ON MONDAY.

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 WILL
CREATE RAPID FIRE GROWTH POTENTIAL.

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

$$

The office that day

Everything else NWS Lubbock, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 28, 6:09 AM CDTRed Flag WarningLUBBailey, Castro, Cochran, Hale, Hockley, Lamb and 6 more15 hr
May 28, 3:55 PM CDTFire Weather WatchLUBBailey, Briscoe, Castro, Cochran, Floyd, Hale and 8 more24 hr

Nearby

Red Flag Warnings in Texas, 2011Every red flag warning in 2011

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.