Alert archive / Texas / Red Flag Warnings in 2009

Red Flag Warning 21, NWS Lubbock, TX

April 7, 200918 counties in Texas

NWS Lubbock, TX issued this red flag warning at Apr 7, 2009, 4:34 AM CDT for 18 counties in Texas. It took effect at Apr 7, 2009, 12:00 PM CDT. It was in force for 7 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 7, 2009, 4:34 AM CDT (09:34 UTC)
In effect from
Apr 7, 2009, 12:00 PM CDT
Expired
Apr 7, 2009, 7:00 PM CDT
In force
7 hr
Issued by
NWS Lubbock, TX

Counties Bailey County, TX, Briscoe County, TX, Castro County, TX, Childress County, TX, Cochran County, TX, Cottle County, TX, Crosby County, TX, Dickens County, TX, Floyd County, TX, Hale County, TX, Hall County, TX, Hockley County, TX, King County, TX, Lamb County, TX, Lubbock County, TX, Motley County, TX, Parmer County, TX, Swisher County, TX

The radar

The Lubbock radar (KLBB), 53 km from the middle of the area, began a volume at 09:36 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 00:00Z, 9.6 hours before the alert went out and 130 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 00:00Z on 2009-04-07Temperature 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, Amarillo Airport, TX at 00:00Z on 2009-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.1939587897Sfc1 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
3981 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
168 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.

000 
WWUS84 KLUB 070934
RFWLUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LUBBOCK TX
434 AM CDT TUE APR 7 2009

TXZ021>023-027>029-072100-
/O.UPG.KLUB.FW.A.0019.090407T1800Z-090408T0000Z/
/O.NEW.KLUB.FW.W.0021.090407T1700Z-090408T0000Z/
PARMER-CASTRO-SWISHER-BAILEY-LAMB-HALE-
434 AM CDT TUE APR 7 2009

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING FOR SUSTAINED 20 FOOT LEVEL WINDS OF 20 MPH OR GREATER...
RELATIVE HUMIDITY VALUES OF 15 PERCENT OR LESS...AND A HIGH FIRE
DANGER...

THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING. 

SOUTHWESTERLY WINDS WILL INCREASE TO AROUND 20 MPH AT THE 20 FOOT
LEVEL OVER THE EXTREME SOUTHWESTERN TEXAS PANHANDLE AND THE
NORTHWESTERN SOUTH PLAINS THIS AFTERNOON. MEANWHILE WARM AND VERY
DRY AIR WILL BE IN PLACE...RESULTING IN SINGLE DIGIT RELATIVE
HUMIDITY VALUES. THUS CRITICAL FIRE WEATHER IS LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE IMMINENT. A COMBINATION OF STRONG WINDS...LOW RELATIVE
HUMIDITY...AND WARM TEMPERATURES WILL CREATE WEATHER CONDITIONS
FAVORABLE FOR RAPID FIRE GROWTH AND SPREAD. AVOID ACTIVITIES THAT
PROMOTE OPEN FLAMES AND SPARKS. OBSERVE LOCAL BURN BANS.

&&

$$

TXZ033-034-072100-
/O.NEW.KLUB.FW.W.0021.090407T1700Z-090408T0000Z/
/O.NEW.KLUB.FW.A.0020.090408T1700Z-090409T0000Z/
COCHRAN-HOCKLEY-
434 AM CDT TUE APR 7 2009

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING FOR SUSTAINED 20 FOOT LEVEL WINDS OF 20 MPH OR GREATER...
RELATIVE HUMIDITY VALUES OF 15 PERCENT OR LESS...AND A HIGH FIRE
DANGER...
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
WEDNESDAY EVENING...

THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED FOR WEDNESDAY
AFTERNOON AND EVENING.

SOUTHWESTERLY WINDS WILL INCREASE TO AROUND 20 MPH AT THE 20 FOOT
LEVEL OVER THE WESTERN SOUTH PLAINS THIS AFTERNOON. MEANWHILE WARM
AND VERY DRY AIR WILL BE IN PLACE...RESULTING IN SINGLE DIGIT
RELATIVE HUMIDITY VALUES. THUS CRITICAL FIRE WEATHER IS LIKELY.
SIMILAR FIRE WEATHER IS EXPECTED WEDNESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE IMMINENT. A COMBINATION OF STRONG WINDS...LOW RELATIVE
HUMIDITY...AND WARM TEMPERATURES WILL CREATE WEATHER CONDITIONS
FAVORABLE FOR RAPID FIRE GROWTH AND SPREAD. AVOID ACTIVITIES THAT
PROMOTE OPEN FLAMES AND SPARKS. OBSERVE LOCAL BURN BANS.

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

&&

$$

TXZ024>026-030>032-035>038-072100-
/O.NEW.KLUB.FW.W.0021.090407T1700Z-090408T0000Z/
BRISCOE-HALL-CHILDRESS-FLOYD-MOTLEY-COTTLE-LUBBOCK-CROSBY-DICKENS-
KING-
434 AM CDT TUE APR 7 2009

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING FOR SUSTAINED 20 FOOT LEVEL WINDS OF 20 MPH OR GREATER...
RELATIVE HUMIDITY VALUES OF 15 PERCENT OR LESS...AND A HIGH FIRE
DANGER...

THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS
EVENING. 

SOUTHWESTERLY WINDS WILL INCREASE TO AROUND 20 MPH AT THE 20 FOOT
LEVEL OVER THE EXTREME SOUTHEASTERN TEXAS PANHANDLE...THE
NORTHEASTERN AND CENTRAL SOUTH PLAINS...AND THE NORTHERN ROLLING 
PLAINS THIS AFTERNOON. MEANWHILE WARM AND VERY DRY AIR WILL BE IN
PLACE...RESULTING IN SINGLE DIGIT RELATIVE HUMIDITY VALUES. THUS
CRITICAL FIRE WEATHER IS LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE IMMINENT. A COMBINATION OF STRONG WINDS...LOW RELATIVE
HUMIDITY...AND WARM TEMPERATURES WILL CREATE WEATHER CONDITIONS
FAVORABLE FOR RAPID FIRE GROWTH AND SPREAD. AVOID ACTIVITIES THAT
PROMOTE OPEN FLAMES AND SPARKS. OBSERVE LOCAL BURN BANS.

&&

$$

TXZ039>041-072100-
/O.NEW.KLUB.FW.A.0020.090408T1700Z-090409T0000Z/
YOAKUM-TERRY-LYNN-
434 AM CDT TUE APR 7 2009

...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
WEDNESDAY EVENING FOR SUSTAINED 20 FOOT LEVEL WINDS OF 20 MPH OR 
GREATER...RELATIVE HUMIDITY VALUES OF 15 PERCENT OR LESS...AND A
HIGH FIRE DANGER...

THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A FIRE WEATHER
WATCH...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
WEDNESDAY EVENING. 

SOUTHWESTERLY WINDS WILL INCREASE TO AROUND 20 MPH AT THE 20 FOOT
LEVEL OVER THE EXTREME SOUTHWESTERN SOUTH PLAINS WEDNESDAY AFTERNOON.
MEANWHILE WARM AND VERY DRY AIR WILL BE IN PLACE...RESULTING IN
SINGLE DIGIT RELATIVE HUMIDITY VALUES. THUS CRITICAL FIRE WEATHER
IS LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
2 follow-up statements
000 
WWUS84 KLUB 072109
RFWLUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LUBBOCK TX
409 PM CDT TUE APR 7 2009

TXZ033-034-080000-
/O.CON.KLUB.FW.W.0021.000000T0000Z-090408T0000Z/
/O.CON.KLUB.FW.A.0020.090408T1700Z-090409T0000Z/
COCHRAN-HOCKLEY-
409 PM CDT TUE APR 7 2009

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING FOR SUSTAINED 20 FOOT LEVEL WINDS OF 20 MPH OR GREATER...
RELATIVE HUMIDITY VALUES OF 15 PERCENT OR LESS...AND A HIGH FIRE
DANGER...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY
AFTERNOON THROUGH WEDNESDAY EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING.
A FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING. 

SOUTHWESTERLY WINDS AROUND 20 MPH AT THE 20 FOOT LEVEL HAVE
COMBINED WITH RELATIVE HUMIDITY VALUES BELOW 15 PERCENT THIS
AFTERNOON RESULTING IN CRITICAL FIRE WEATHER CONDITIONS OVER THE
WESTERN SOUTH PLAINS. THESE CONDITIONS WILL CONTINUE UNTIL EARLY
THIS EVENING WHEN WIND SPEEDS WILL DIMINISH BELOW CRITICAL
LEVELS.

VERY DRY AIR WILL REMAIN IN PLACE ON WEDNESDAY RESULTING IN A
RENEWED THREAT FOR CRITICAL FIRE WEATHER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE IMMINENT. A COMBINATION OF STRONG WINDS...LOW RELATIVE
HUMIDITY...AND WARM TEMPERATURES WILL CREATE WEATHER CONDITIONS
FAVORABLE FOR RAPID FIRE GROWTH AND SPREAD. AVOID ACTIVITIES THAT
PROMOTE OPEN FLAMES AND SPARKS. OBSERVE LOCAL BURN BANS.

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

&&

$$

TXZ021>032-035>038-080000-
/O.CON.KLUB.FW.W.0021.000000T0000Z-090408T0000Z/
PARMER-CASTRO-SWISHER-BRISCOE-HALL-CHILDRESS-BAILEY-LAMB-HALE-
FLOYD-MOTLEY-COTTLE-LUBBOCK-CROSBY-DICKENS-KING-
409 PM CDT TUE APR 7 2009

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING FOR SUSTAINED 20 FOOT LEVEL WINDS OF 20 MPH OR 
GREATER...RELATIVE HUMIDITY VALUES OF 15 PERCENT OR LESS...AND A
HIGH FIRE DANGER...

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

SOUTHWESTERLY WINDS AROUND 20 MPH AT THE 20 FOOT LEVEL HAVE
COMBINED WITH RELATIVE HUMIDITY VALUES BELOW 15 PERCENT THIS
AFTERNOON RESULTING IN CRITICAL FIRE WEATHER CONDITIONS. THESE
CONDITIONS WILL CONTINUE UNTIL EARLY THIS EVENING WHEN WIND SPEEDS
WILL DIMINISH BELOW CRITICAL LEVELS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE IMMINENT. A COMBINATION OF STRONG WINDS...LOW RELATIVE
HUMIDITY...AND WARM TEMPERATURES WILL CREATE WEATHER CONDITIONS
FAVORABLE FOR RAPID FIRE GROWTH AND SPREAD. AVOID ACTIVITIES THAT
PROMOTE OPEN FLAMES AND SPARKS. OBSERVE LOCAL BURN BANS.

&&

$$

TXZ039>041-080000-
/O.CON.KLUB.FW.A.0020.090408T1700Z-090409T0000Z/
YOAKUM-TERRY-LYNN-
409 PM CDT TUE APR 7 2009

A FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING.

SOUTHWESTERLY WINDS ARE FORECAST TO INCREASE TO AROUND 20 MPH AT
THE 20 FOOT LEVEL OVER THE EXTREME SOUTHWESTERN SOUTH PLAINS
WEDNESDAY AFTERNOON. MEANWHILE VERY WARM TEMPERATURES AND DRY AIR
WILL COMBINE WITH THESE WINDS RESULTING IN THE THREAT FOR CRITICAL
FIRE WEATHER CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
000 
WWUS84 KLUB 080007
RFWLUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LUBBOCK TX
707 PM CDT TUE APR 7 2009

TXZ033-034-081000-
/O.EXP.KLUB.FW.W.0021.000000T0000Z-090408T0000Z/
/O.CON.KLUB.FW.A.0020.090408T1700Z-090409T0000Z/
COCHRAN-HOCKLEY-
707 PM CDT TUE APR 7 2009

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING ACROSS THE WESTERN SOUTH PLAINS FOR
SUSTAINED 20 FOOT LEVEL WINDS OF 20 MPH OR GREATER...RELATIVE
HUMIDITY VALUES OF 15 PERCENT OR LESS...AND A HIGH FIRE DANGER...
...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. A FIRE WEATHER WATCH
REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY
EVENING. 

VERY DRY AIR WILL REMAIN IN PLACE ON WEDNESDAY RESULTING IN A
RENEWED THREAT FOR CRITICAL FIRE WEATHER AS WINDS AGAIN ARE LIKELY
TO EXCEED 20 MPH AT THE 20 FOOT LEVEL AND RELATIVE HUMIDITIES FALL
TO BETWEEN 5 AND 10 PERCENT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

TXZ021>032-035>038-080115-
/O.EXP.KLUB.FW.W.0021.000000T0000Z-090408T0000Z/
PARMER-CASTRO-SWISHER-BRISCOE-HALL-CHILDRESS-BAILEY-LAMB-HALE-
FLOYD-MOTLEY-COTTLE-LUBBOCK-CROSBY-DICKENS-KING-
707 PM CDT TUE APR 7 2009

...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 

ALTHOUGH DRY AIR WILL REMAIN IN PLACE OVERNIGHT...WINDS HAVE
DIMINISHED BELOW 20 MPH AT THE 20 FOOT LEVEL. THUS THE RED FLAG
WARNING HAS BEEN ALLOWED TO EXPIRE.

$$

TXZ039>041-081000-
/O.CON.KLUB.FW.A.0020.090408T1700Z-090409T0000Z/
YOAKUM-TERRY-LYNN-
707 PM CDT TUE APR 7 2009

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING ACROSS THE SOUTHERN SOUTH PLAINS FOR
SUSTAINED 20 FOOT LEVEL WINDS OF 20 MPH OR GREATER...RELATIVE
HUMIDITY VALUES OF 15 PERCENT OR LESS...AND A HIGH FIRE DANGER...

A FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING. 

VERY DRY AIR WILL REMAIN IN PLACE ON WEDNESDAY RESULTING IN A
THREAT FOR CRITICAL FIRE WEATHER AS WINDS ARE LIKELY TO EXCEED 20
MPH AT THE 20 FOOT LEVEL AND RELATIVE HUMIDITIES FALL TO BETWEEN 5
AND 10 PERCENT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 4:34 AM CDTFire Weather WatchLUBCochran, Hockley, Lynn, Terry, Yoakum25 hr

Nearby

Red Flag Warnings in Texas, 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.