Alert archive / Texas / Red Flag Warnings in 2012

Red Flag Warning 10, NWS Amarillo, TX

March 13, 2012Deaf Smith County, Potter County, Randall County, Texas

NWS Amarillo, TX issued this red flag warning at Mar 13, 2012, 2:45 PM CDT for Deaf Smith County, Potter County, Randall County, Texas. It was in force for 5 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 13, 2012, 2:45 PM CDT (19:45 UTC)
Expired
Mar 13, 2012, 7:32 PM CDT
In force
5 hr
Issued by
NWS Amarillo, TX

Counties Deaf Smith County, TX, Potter County, TX, Randall County, TX

The radar

The Amarillo radar (KAMA), 41 km from the middle of the area, began a volume at 19:46 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, 7.8 hours before the alert went out and 41 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 2012-03-13Temperature 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 12:00Z on 2012-03-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
4468 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
71 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.

590 
WWUS84 KAMA 131945
RFWAMA

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE AMARILLO TX
245 PM CDT TUE MAR 13 2012


TXZ012-016-017-140100-
/O.NEW.KAMA.FW.W.0010.120313T1945Z-120314T0100Z/
POTTER-DEAF SMITH-RANDALL-
245 PM CDT TUE MAR 13 2012

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

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 8 PM CDT THIS EVENING. 


* AFFECTED AREA: IN TEXAS...POTTER...DEAF SMITH...RANDALL.

* WIND:WINDS OF 20 TO 25 MPH WITH GUSTS TO 30 MPH WILL CONTINUE
  THROUGH EARLY THIS EVENING.

* HUMIDITY: RELATIVE HUMIDITY VALUES WILL STAY BETWEEN 5 AND 15
  PERCENT THROUGH EARLY THIS EVENING.

* TIMING: CRITICAL FIRE WEATHER CONDITIONS ARE DEVELOPING NOW AND
  WILL CONTINUE THROUGH SUNSET...WHEN RELATIVE HUMIDITY VALUES WILL
  INCREASE.


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.

&&

$$

JOHNSON

FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT...
HTTP://WWW.SRH.NOAA.GOV/AMA
1 follow-up statement
357 
WWUS84 KAMA 140032
RFWAMA

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE AMARILLO TX
732 PM CDT TUE MAR 13 2012

TXZ012-016-017-140145-
/O.CAN.KAMA.FW.W.0010.000000T0000Z-120314T0100Z/
POTTER-DEAF SMITH-RANDALL-
732 PM CDT TUE MAR 13 2012

...RED FLAG WARNING IS CANCELLED FOR STRONG WINDS AND LOW
RELATIVE HUMIDITY FOR THE SOUTHWEST AND SOUTH CENTRAL TEXAS
PANHANDLE...

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS CANCELLED THE RED
FLAG WARNING. THE SOUTHWESTERLY WINDS HAVE DECREASED BELOW 20 MPH
ALTHOUGH RELATIVE HUMIDITIES REMAIN IN THE 5 TO 10 PERCENT RANGE. THE
RELATIVE HUMIDITIES ARE EXPECTED TO INCREASE ABOVE CRITICAL LEVELS BY
LATE THIS EVENING OR JUST BEFORE MIDNIGHT TONIGHT.

$$

SCHNEIDER

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

Nearby

Red Flag Warnings in Texas, 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.