Alert archive / Texas / Red Flag Warnings in 2008

Red Flag Warning 21, NWS Lubbock, TX

April 15, 20087 counties in Texas

NWS Lubbock, TX issued this red flag warning at Apr 15, 2008, 4:24 AM CDT for 7 counties in Texas. It took effect at Apr 15, 2008, 1:00 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
Apr 15, 2008, 4:24 AM CDT (09:24 UTC)
In effect from
Apr 15, 2008, 1:00 PM CDT
Expired
Apr 15, 2008, 9:00 PM CDT
In force
8 hr
Issued by
NWS Lubbock, TX

Counties Bailey County, TX, Castro County, TX, Cochran County, TX, Hockley County, TX, Lamb County, TX, Parmer County, TX, Swisher County, TX

The radar

The Lubbock radar (KLBB), 79 km from the middle of the area, began a volume at 09:28 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, 9.4 hours before the alert went out and 140 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 2008-04-15Temperature 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 2008-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.1939Sfc1 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
4010 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
155 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 150924
RFWLUB

RED FLAG WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
424 AM CDT TUE APR 15 2008


TXZ021>023-027-028-033-034-152100-
/O.NEW.KLUB.FW.W.0021.080415T1800Z-080416T0200Z/
/O.NEW.KLUB.FW.A.0016.080416T1800Z-080417T0300Z/
PARMER-CASTRO-SWISHER-BAILEY-LAMB-COCHRAN-HOCKLEY-
424 AM CDT TUE APR 15 2008

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 PM
CDT THIS EVENING FOR SUSTAINED 20 FOOT LEVEL WINDS OF 20 MPH OR 
GREATER...RELATIVE HUMIDITIES AT OR BELOW 15 PERCENT...AND A 
VERY HIGH FIRE DANGER ACROSS THE EXTREME SOUTHWEST TEXAS PANHANDLE 
AND WESTERN SOUTH PLAINS...

...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 AT OR BELOW 15 PERCENT AND A 
HIGH FIRE DANGER OVER THE EXTREME SOUTHERN TEXAS PANHANDLE...
CENTRAL AND SOUTHERN SOUTH PLAINS...

THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 PM CDT
THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS
FIRE WEATHER WATCH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
WEDNESDAY EVENING. 

A TIGHTENING SURFACE PRESSURE GRADIENT WEST OF A DRYLINE WILL
CREATE SOUTHWEST WINDS OF 20 MPH OR GREATER AT THE 20 FOOT LEVEL
AND VERY DRY RELATIVE HUMIDITY VALUES OVER THE WARNING AREA TODAY.

IN ADDITION...A SIMILAR PATTERN WILL LIKELY DEVELOP ON WEDNESDAY
WITH THE POTENTIAL FOR SLIGHTLY STRONGER WINDS AND RELATIVE
HUMIDITY VALUES APPROACHING 5 PERCENT OR LESS OVER THE WESTERN
SOUTH PLAINS AND 5 TO 10 PERCENT OVER THE REMAINDER OF THE
CAPROCK.

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.

$$

TXZ024-029-030-035-036-039>042-152100-
/O.NEW.KLUB.FW.A.0016.080416T1800Z-080417T0300Z/
BRISCOE-HALE-FLOYD-LUBBOCK-CROSBY-YOAKUM-TERRY-LYNN-GARZA-
424 AM CDT TUE APR 15 2008

...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 AT OR BELOW 15 PERCENT AND A 
HIGH FIRE DANGER OVER THE EXTREME SOUTHERN TEXAS PANHANDLE...
CENTRAL AND SOUTHERN SOUTH PLAINS...

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

A TIGHTENING SURFACE PRESSURE GRADIENT COUPLED WITH DEEP MIXING
AND STRONG DOWNSLOPE ADIABATIC WARMING WILL LIKELY RESULT IN
CRITICAL FIRE WEATHER CONDITIONS. THE POTENTIAL EXISTS FOR
EXTREMELY DRY RELATIVE HUMIDITY VALUES OF 5 TO 10 PERCENT WITH 
THE POSSIBILITY OF 5 PERCENT OR LESS VALUES OVER THE WESTERN 
SOUTH PLAINS.

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

$$

KW
1 follow-up statement
000 
WWUS84 KLUB 152025
RFWLUB

RED FLAG WARNING
NATIONAL WEATHER SERVICE LUBBOCK TX
325 PM CDT TUE APR 15 2008

TXZ021>023-027-028-033-034-160230-
/O.CON.KLUB.FW.W.0021.000000T0000Z-080416T0200Z/
/O.CON.KLUB.FW.A.0016.080416T1800Z-080417T0300Z/
PARMER-CASTRO-SWISHER-BAILEY-LAMB-COCHRAN-HOCKLEY-
325 PM CDT TUE APR 15 2008

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS
EVENING FOR SUSTAINED 20 FOOT LEVEL WINDS OF 20 MPH OR GREATER...
RELATIVE HUMIDITIES AT OR BELOW 15 PERCENT...AND A VERY HIGH FIRE
DANGER ACROSS THE EXTREME SOUTHWEST TEXAS PANHANDLE AND WESTERN
SOUTH PLAINS...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING FOR THE COMBINATION OF STRONG GUSTY
WINDS...LOW RELATIVE HUMIDITY...AND VERY HIGH FIRE DANGER OVER THE
TEXAS SOUTH PLAINS AND THE EXTREME SOUTHERN TEXAS PANHANDLE...

A DEEPENING SURFACE LOW PRESSURE TROF OVER THE SOUTHERN HIGH
PLAINS WAS CAUSING GUSTY SOUTHERLY WINDS THIS AFTERNOON. BY LATE
AFTERNOON...RED FLAG CRITERIA WAS BEGINNING TO BE MET OVER
PORTIONS OF THE EXTREME SOUTHERN TEXAS PANHANDLE. RED FLAG
CRITERIA IS EXPECTED TO BE MET THROUGH EARLY EVENING OVER THE
EXTREME SOUTHWEST PANHANDLE AND PORTIONS OF THE WESTERN SOUTH PLAINS.

SLIGHTLY STRONGER WEST TO SOUTHWEST WINDS ARE EXPECTED WEDNESDAY
AS AN UPPER LEVEL LOW PRESSURE TROF SWINGS INTO THE EASTERN GREAT
BASIN. THIS WILL ALSO RESULT IN WARMER TEMPERATURES AND VERY LOW
RELATIVE HUMIDITIES BY LATE IN THE DAY. SUSTAINED WINDS AT THE 20
FOOT LEVEL ARE EXPECTED TO INCREASE TO 20 TO 25 MPH WHILE RELATIVE
HUMIDITIES LEVELS FALL TO 5 TO 10 PERCENT.

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
LEAD TO A POTENTIAL FOR RAPID FIRE GROWTH.

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

$$

TXZ024-029-030-035-036-039>042-160230-
/O.CON.KLUB.FW.A.0016.080416T1800Z-080417T0300Z/
BRISCOE-HALE-FLOYD-LUBBOCK-CROSBY-YOAKUM-TERRY-LYNN-GARZA-
325 PM CDT TUE APR 15 2008

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH WEDNESDAY EVENING FOR THE COMBINATION OF STRONG GUSTY
WINDS...LOW RELATIVE HUMIDITY...AND VERY HIGH FIRE DANGER OVER THE
TEXAS SOUTH PLAINS...

SLIGHTLY STRONGER SOUTHWEST WINDS ARE EXPECTED WEDNESDAY AS AN 
UPPER LEVEL LOW PRESSURE TROF SWINGS INTO THE EASTERN GREAT
BASIN. THIS WILL ALSO RESULT IN WARMER TEMPERATURES AND VERY LOW
RELATIVE HUMIDITIES DURING THE AFTERNOON. SUSTAINED WINDS AT THE
20 FOOT LEVEL ARE EXPECTED TO INCREASE TO 20 TO 25 MPH WHILE
RELATIVE HUMIDITIES LEVELS FALL TO 5 TO 10 PERCENT. THESE
CONDITIONS MAY EDGE CLOSE TO THE WESTERN PART OF THE ROLLING
PLAINS DURING THE LATE AFTERNOON AS WELL.

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 15, 4:24 AM CDTFire Weather WatchLUBBailey, Briscoe, Castro, Cochran, Crosby, Floyd and 10 more24 hr

Nearby

Red Flag Warnings in Texas, 2008Every red flag warning in 2008

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.