Alert archive / Colorado / Red Flag Warnings in 2012

Red Flag Warning 44, NWS Pueblo, CO

November 21, 2012Baca County, Las Animas County, Colorado

NWS Pueblo, CO issued this red flag warning at Nov 21, 2012, 3:18 AM MST for Baca County, Las Animas County, Colorado. It took effect at Nov 21, 2012, 11:00 AM MST. It was in force for 6 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
Nov 21, 2012, 3:18 AM MST (10:18 UTC)
In effect from
Nov 21, 2012, 11:00 AM MST
Expired
Nov 21, 2012, 5:00 PM MST
In force
6 hr
Issued by
NWS Pueblo, CO

Counties Baca County, CO, Las Animas County, CO

The radar

The Pueblo radar (KPUX), 149 km from the middle of the area, began a volume at 10:18 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, 10.3 hours before the alert went out and 273 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 2012-11-21Temperature 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 2012-11-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
3231 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
135 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.

273 
WWUS85 KPUB 211018
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
318 AM MST WED NOV 21 2012

...A RED FLAG WARNING FOR STRONG WINDS...LOW HUMIDITY...DRY FUELS AND
PERSISTENT DROUGHT CONDITIONS HAS BEEN ISSUED FROM 1100 LOCAL THROUGH
1700 LOCAL FOR FIRE WEATHER ZONES 233 AND 237...INCLUDING EASTERN
LAS ANIMAS AND BACA COUNTIES...

COZ233-237-220000-
/O.NEW.KPUB.FW.W.0044.121121T1800Z-121122T0000Z/
EASTERN LAS ANIMAS COUNTY-BACA COUNTY-
318 AM MST WED NOV 21 2012

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 5 PM MST
THIS AFTERNOON FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 233 AND 237...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A RED FLAG
WARNING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN
EFFECT FROM 11 AM THIS MORNING TO 5 PM MST THIS AFTERNOON.

* AFFECTED AREA...FIRE WEATHER ZONES 233 AND 237.

* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...7 TO 12 PERCENT.

* IMPACTS...EXTREME FIRE BEHAVIOR WITH RAPID RATES OF GROWTH AND 
  SPREAD ARE POSSIBLE WITH ANY FIRE STARTS.

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.

&&

$$
2 follow-up statements
208 
WWUS85 KPUB 212158
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
258 PM MST WED NOV 21 2012

...A RED FLAG WARNING FOR STRONG WINDS...LOW HUMIDITY...DRY FUELS
AND PERSISTENT DROUGHT CONDITIONS REMAINS IN EFFECT UNTIL 5 PM MST FOR
FIRE WEATHER ZONES 233 AND 237...INCLUDING EASTERN LAS ANIMAS AND
BACA COUNTIES...

COZ233-237-220000-
/O.CON.KPUB.FW.W.0044.000000T0000Z-121122T0000Z/
EASTERN LAS ANIMAS COUNTY-BACA COUNTY-
258 PM MST WED NOV 21 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 233 AND 237...

* AFFECTED AREA...FIRE WEATHER ZONES 233 AND 237.

* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...AS LOW AS 6 PERCENT.

* IMPACTS...EXTREME FIRE BEHAVIOR WITH RAPID RATES OF GROWTH AND 
  SPREAD ARE POSSIBLE WITH ANY FIRE STARTS. 

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.

&&

$$
551 
WWUS85 KPUB 212347
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
447 PM MST WED NOV 21 2012

...RED FLAG WARNING EXPIRES AT 5 PM...

COZ233-237-220100-
/O.EXP.KPUB.FW.W.0044.000000T0000Z-121122T0000Z/
EASTERN LAS ANIMAS COUNTY-BACA COUNTY-
447 PM MST WED NOV 21 2012

...RED FLAG WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON 
FOR FIRE WEATHER ZONES 233 AND 237...

CRITICAL FIRE WEATHER CONDITIONS ARE NO LONGER EXPECTED.

$$

Nearby

Red Flag Warnings in Colorado, 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.