Alert archive / Texas / Red Flag Warnings in 2012

Red Flag Warning 13, NWS Amarillo, TX

March 19, 2012Dallam County, Hartley County, Texas; Cimarron County, Oklahoma

NWS Amarillo, TX issued this red flag warning at Mar 19, 2012, 4:16 AM CDT for Dallam County, Hartley County, Texas; Cimarron County, Oklahoma. It took effect at Mar 19, 2012, 12:00 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
Mar 19, 2012, 4:16 AM CDT (09:16 UTC)
In effect from
Mar 19, 2012, 12:00 PM CDT
Expired
Mar 19, 2012, 8:00 PM CDT
In force
8 hr
Issued by
NWS Amarillo, TX

Counties Cimarron County, OK, Dallam County, TX, Hartley County, TX

The radar

The Amarillo radar (KAMA), 141 km from the middle of the area, began a volume at 09:19 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, 9.3 hours before the alert went out and 142 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 2012-03-19Temperature 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 2012-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
4154 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
93 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.

125 
WWUS84 KAMA 190916
RFWAMA

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE AMARILLO TX
416 AM CDT MON MAR 19 2012

OKZ001-TXZ001-006-192100-
/O.UPG.KAMA.FW.A.0012.120319T1700Z-120320T0100Z/
/O.NEW.KAMA.FW.W.0013.120319T1700Z-120320T0100Z/
CIMARRON-DALLAM-HARTLEY-
416 AM CDT MON MAR 19 2012

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS
EVENING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE WESTERN
OKLAHOMA PANHANDLE AND NORTHWEST TEXAS PANHANDLE...

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS
EVENING FOR THE WESTERN OKLAHOMA PANHANDLE AND NORTHWEST TEXAS
PANHANDLE. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* AFFECTED AREA: IN OKLAHOMA...CIMARRON. IN TEXAS...DALLAM...
  HARTLEY. 

* WIND: SOUTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS UP TO 40 MPH ARE
  EXPECTED THIS AFTERNOON INTO EARLY THIS EVENING.  

* HUMIDITY: RELATIVE HUMIDITY VALUES WILL FALL TO 10 TO 15 PERCENT
  THIS AFTERNOON.

* TIMING: CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TO DEVELOP
  AROUND NOON TODAY AND CONTINUE UNTIL AROUND SUNSET THIS EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RELATIVE HUMIDITIES OF 15 PERCENT OR LESS...SUSTAINED 20 FOOT
WINDS OF 20 MPH OR GREATER...AND AN ELEVATED FIRE DANGER RATING
WILL CREATE RED FLAG CONDITIONS.

&&

$$

KB

FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT...
HTTP://WWW.SRH.NOAA.GOV/AMA
1 follow-up statement
662 
WWUS84 KAMA 192004
RFWAMA

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE AMARILLO TX
304 PM CDT MON MAR 19 2012

OKZ001-TXZ001-006-200100-
/O.CON.KAMA.FW.W.0013.000000T0000Z-120320T0100Z/
CIMARRON-DALLAM-HARTLEY-
304 PM CDT MON MAR 19 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE WESTERN
OKLAHOMA PANHANDLE AND NORTHWEST TEXAS PANHANDLE...

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

* AFFECTED AREA: IN OKLAHOMA...CIMARRON. IN TEXAS...DALLAM... 
  HARTLEY.

* WIND: SOUTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS UP TO 35 MPH
  WILL CONTINUE ACROSS THE AREA INTO EARLY THIS EVENING. 

* HUMIDITY: RELATIVE HUMIDITY VALUES OF 10 TO 15 PERCENT WILL
  CONTINUE THROUGH THIS EVENING. RELATIVE HUMIDITIES ARE EXPECTED TO
  RECOVER BY 8 PM CDT.

* TIMING: CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE UNTIL
  AROUND SUNSET THIS EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RELATIVE HUMIDITIES OF 15 PERCENT OR LESS...SUSTAINED 20 FOOT
WINDS OF 20 MPH OR GREATER...AND AN ELEVATED FIRE DANGER RATING
WILL CREATE RED FLAG CONDITIONS.

&&

$$

CLK

FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT...
HTTP://WWW.SRH.NOAA.GOV/AMA

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 18, 9:01 PM CDTSevere Thunderstorm WarningAMACollingsworth, Donley, Gray44 min
Mar 18, 9:41 PM CDTSevere Thunderstorm WarningAMACollingsworth, Donley, Gray5 min
Mar 18, 11:51 PM CDTSevere Thunderstorm WarningAMACarson, Hutchinson39 min
Mar 19, 1:57 AM CDTSevere Thunderstorm WarningAMACollingsworth, Donley, Gray, Hemphill, Wheeler93 min

Nearby

Red Flag Warnings in Texas, 2012Red Flag Warnings in Oklahoma, 2012Every red flag warning in 2012

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.