Alert archive / Texas / Red Flag Warnings in 2012

Red Flag Warning 9, NWS San Angelo, TX

April 1, 20124 counties in Texas

NWS San Angelo, TX issued this red flag warning at Apr 1, 2012, 4:22 AM CDT for 4 counties in Texas. It took effect at Apr 1, 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
Apr 1, 2012, 4:22 AM CDT (09:22 UTC)
In effect from
Apr 1, 2012, 12:00 PM CDT
Expired
Apr 1, 2012, 8:00 PM CDT
In force
8 hr
Issued by
NWS San Angelo, TX

Counties Fisher County, TX, Haskell County, TX, Jones County, TX, Nolan County, TX

The radar

The Dyess AFB radar (KDYX), 83 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

Midland Regional, TX (KMAF), launched 00:00Z, 9.4 hours before the alert went out and 216 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, Midland Regional, TX at 00:00Z on 2012-04-01Temperature 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, Midland Regional, TX at 00:00Z on 2012-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 square meters per square second.19395878Sfc1 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
5237 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
-9 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.

973 
WWUS84 KSJT 010922
RFWSJT

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN ANGELO TX
422 AM CDT SUN APR 1 2012

...DANGEROUS FIRE WEATHER CONDITIONS SUNDAY AFTERNOON AND EARLY EVENING...

.THE COMBINATION OF RELATIVE HUMIDITIES OF LESS THAN 10 PERCENT...
20 FOOT SOUTHWEST WINDS AROUND 20 MPH AND HOT TEMPERATURES WILL
PRODUCE CRITICAL FIRE WEATHER CONDITIONS ACROSS THE NORTHWEST BIG
COUNTRY THIS AFTERNOON AND EARLY EVENING.

TXZ049-054-098-113-012100-
/O.NEW.KSJT.FW.W.0009.120401T1700Z-120402T0100Z/
FISHER-NOLAN-HASKELL-JONES-
422 AM CDT SUN APR 1 2012

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

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS
EVENING. 

* AFFECTED COUNTIES: FISHER...NOLAN...HASKELL...JONES.

* WIND: 20 FOOT SOUTHWEST WINDS AROUND 20 MPH WITH HIGHER 
  GUSTS POSSIBLE.

* HUMIDITY: LESS THAN 10 PERCENT.

* IMPACTS: ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

* TIMING: NOON THROUGH 8 PM SUNDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$


FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT...
HTTP://WWW.SRH.NOAA.GOV/SJT
1 follow-up statement
939 
WWUS84 KSJT 011943
RFWSJT

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN ANGELO TX
243 PM CDT SUN APR 1 2012

...DANGEROUS FIRE WEATHER CONDITIONS SUNDAY AFTERNOON AND EARLY
EVENING...

.THE COMBINATION OF RELATIVE HUMIDITIES OF LESS THAN 10 PERCENT...
20 FOOT SOUTHWEST WINDS AROUND 20 MPH AND HOT TEMPERATURES WILL
PRODUCE CRITICAL FIRE WEATHER CONDITIONS ACROSS THE NORTHWEST BIG
COUNTRY THIS AFTERNOON AND EARLY EVENING.

TXZ049-054-098-113-020100-
/O.CON.KSJT.FW.W.0009.000000T0000Z-120402T0100Z/
FISHER-NOLAN-HASKELL-JONES-
243 PM CDT SUN APR 1 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE NORTHWEST BIG
COUNTRY...

* AFFECTED COUNTIES: FISHER...NOLAN...HASKELL...JONES.

* WIND: 20 FOOT SOUTHWEST WINDS AROUND 20 MPH WITH HIGHER GUSTS 
  POSSIBLE.

* HUMIDITY: LESS THAN 10 PERCENT.

* IMPACTS: ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

* TIMING: NOON THROUGH 8 PM SUNDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

15

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.