Alert archive / Texas / Red Flag Warnings in 2009

Red Flag Warning 13, NWS Amarillo, TX

March 7, 200912 counties in Texas; Cimarron County, Texas County, Oklahoma

NWS Amarillo, TX issued this red flag warning at Mar 7, 2009, 4:11 AM CST for 12 counties in Texas; Cimarron County, Texas County, Oklahoma. It took effect at Mar 7, 2009, 12:00 PM CST. 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
Mar 7, 2009, 4:11 AM CST (10:11 UTC)
In effect from
Mar 7, 2009, 12:00 PM CST
Expired
Mar 7, 2009, 7:00 PM CST
In force
7 hr
Issued by
NWS Amarillo, TX

Counties Cimarron County, OK, Texas County, OK, Armstrong County, TX, Carson County, TX, Dallam County, TX, Deaf Smith County, TX, Hansford County, TX, Hartley County, TX, Hutchinson County, TX, Moore County, TX, Oldham County, TX, Potter County, TX, Randall County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 65 km from the middle of the area, began a volume at 10:12 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, 10.2 hours before the alert went out and 66 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 2009-03-07Temperature 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 2009-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 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
4679 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
163 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 KAMA 071011
RFWAMA

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE AMARILLO TX
411 AM CST SAT MAR 7 2009

OKZ003-TXZ004-005-009-010-014-015-019-020-071115-
/O.CAN.KAMA.FW.A.0013.090307T1600Z-090308T0100Z/
BEAVER-OCHILTREE-LIPSCOMB-ROBERTS-HEMPHILL-GRAY-WHEELER-DONLEY-
COLLINGSWORTH-
411 AM CST SAT MAR 7 2009

...FIRE WEATHER WATCH IS CANCELED FOR THE EASTERN THIRD OF THE TEXAS
AND OKLAHOMA PANHANDLES THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS CANCELED THE FIRE
WEATHER WATCH THIS AFTERNOON FOR THE EASTERN THIRD OF THE TEXAS AND
OKLAHOMA PANHANDLES.

ALTHOUGH ELEVATED FIRE WEATHER CONDITIONS WILL DEVELOP ACROSS THE
EASTERN TEXAS AND OKLAHOMA PANHANDLES THIS AFTERNOON...RELATIVE
HUMIDITY VALUES ARE NOT EXPECTED TO MEET RED FLAG CRITERIA.
THEREFORE...THE FIRE WEATHER WATCH FOR THE EASTERN TEXAS AND OKLAHOMA
PANHANDLES HAS BEEN CANCELED.

$$

OKZ001-002-TXZ001>003-006>008-011>013-016>018-071815-
/O.UPG.KAMA.FW.A.0013.090307T1600Z-090308T0100Z/
/O.NEW.KAMA.FW.W.0013.090307T1800Z-090308T0100Z/
CIMARRON-TEXAS-DALLAM-SHERMAN-HANSFORD-HARTLEY-MOORE-HUTCHINSON-
OLDHAM-POTTER-CARSON-DEAF SMITH-RANDALL-ARMSTRONG-
411 AM CST SAT MAR 7 2009

...A RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CST THIS
EVENING FOR THE WESTERN TWO THIRDS OF THE TEXAS AND OKLAHOMA
PANHANDLES DUE TO VERY DRY FUELS...LOW RELATIVE HUMIDITIES AND WINDY
CONDITIONS...

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A RED FLAG
WARNING FOR THE WESTERN TWO THIRDS OF THE TEXAS AND OKLAHOMA 
PANHANDLES...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM CST THIS
EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

RED FLAG CONDITIONS ARE EXPECTED THIS AFTERNOON ACROSS THE WESTERN
TWO THIRDS OF THE TEXAS AND OKLAHOMA PANHANDLES. VERY DRY FUELS...ALONG
WITH WEST TO SOUTHWEST WINDS OF 20 TO 30 MPH AND RELATIVE HUMIDITY
VALUES AT OR BELOW 15 PERCENT WILL RESULT IN CRITICAL FIRE WEATHER
CONDITIONS. BY THIS EVENING...RELATIVE HUMIDITIES ARE EXPECTED TO
GRADUALLY INCREASE. HOWEVER...WINDS OF 15 TO 25 MPH WILL CONTINUE INTO 
THE EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
SUSTAINED 20 FOOT WINDS OF 20 MPH OR HIGHER...RELATIVE HUMIDITY
OF 15 PERCENT OR LOWER...AND HIGH FIRE DANGER WILL CREATE
CRITICAL FIRE WEATHER CONDITIONS. 

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD OF
THIS RED FLAG WARNING.

&&

$$
2 follow-up statements
000 
WWUS84 KAMA 072140
RFWAMA

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE AMARILLO TX
340 PM CST SAT MAR 7 2009

OKZ001-002-TXZ001>003-006>008-011>013-016>018-080100-
/O.CON.KAMA.FW.W.0013.000000T0000Z-090308T0100Z/
CIMARRON-TEXAS-DALLAM-SHERMAN-HANSFORD-HARTLEY-MOORE-HUTCHINSON-
OLDHAM-POTTER-CARSON-DEAF SMITH-RANDALL-ARMSTRONG-
340 PM CST SAT MAR 7 2009

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CST THIS
EVENING FOR THE WESTERN TEXAS AND CENTRAL AND WESTERN OKLAHOMA
PANHANDLES DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITIES...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CST THIS EVENING FOR
THE WESTERN TEXAS AND CENTRAL AND WESTERN OKLAHOMA PANHANDLES.

RED FLAG CONDITIONS WILL CONTINUE THIS AFTERNOON ACROSS THE WESTERN
TWO THIRDS OF THE TEXAS AND OKLAHOMA PANHANDLES. VERY DRY FUELS...ALONG
WITH WEST TO SOUTHWEST WINDS OF 20 TO 30 MPH WITH HIGHER GUSTS...AND
RELATIVE HUMIDITY VALUES AT OR BELOW 15 PERCENT WILL RESULT IN CRITICAL
FIRE WEATHER CONDITIONS. BY THIS EVENING...RELATIVE HUMIDITIES ARE
EXPECTED TO GRADUALLY INCREASE. HOWEVER...WINDS OF 15 TO 25 MPH WILL
CONTINUE INTO THE EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
SUSTAINED 20 FOOT WINDS OF 20 MPH OR HIGHER...RELATIVE HUMIDITY
OF 15 PERCENT OR LOWER...AND HIGH FIRE DANGER WILL CREATE
CRITICAL FIRE WEATHER CONDITIONS.

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE
FIELD OF THIS RED FLAG WARNING.

&&

$$
000 
WWUS84 KAMA 080052
RFWAMA

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE AMARILLO TX
652 PM CST SAT MAR 7 2009

...RED FLAG CONDITIONS COMING TO AN END ACROSS THE WESTERN AND
CENTRAL PORTIONS OF THE TEXAS AND OKLAHOMA PANHANDLES...

.WINDS WILL DIMINISH THIS EVENING...CAUSING CRITICAL FIRE WEATHER
CONDITIONS TO COME TO AN END ACROSS THE WESTERN AND CENTRAL PORTIONS
OF THE TEXAS AND OKLAHOMA PANHANDLES.

OKZ001-002-TXZ001>003-006>008-011>013-016>018-080200-
/O.EXP.KAMA.FW.W.0013.000000T0000Z-090308T0100Z/
CIMARRON-TEXAS-DALLAM-SHERMAN-HANSFORD-HARTLEY-MOORE-HUTCHINSON-
OLDHAM-POTTER-CARSON-DEAF SMITH-RANDALL-ARMSTRONG-
652 PM CST SAT MAR 7 2009

...RED FLAG WARNING WILL EXPIRE AT 7 PM CST THIS EVENING...

THE RED FLAG WARNING WILL EXPIRE AT 7 PM CST THIS EVENING FOR
THE WESTERN AND CENTRAL PORTIONS OF THE TEXAS AND OKLAHOMA
PANHANDLES.

WINDS WILL DIMINISH THIS EVENING...AND RELATIVE HUMIDITY VALUES WILL
INCREASE...RISING ABOVE CRITICAL THRESHOLDS. THUS...CRITICAL FIRE WEATHER
CONDITIONS WILL COME TO AN END.

$$

COCKRELL

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 7, 12:32 PM CSTWind AdvisoryAMADallam, Deaf Smith, Hartley, Moore, Oldham, Potter and 2 more6 hr
Mar 7, 1:55 PM CSTHigh Wind WarningAMABeaver65 min

Nearby

Red Flag Warnings in Texas, 2009Red Flag Warnings in Oklahoma, 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.