Alert archive / Colorado / Red Flag Warnings in 2011

Red Flag Warning 74, NWS Pueblo, CO

October 4, 20116 counties in Colorado

NWS Pueblo, CO issued this red flag warning at Oct 4, 2011, 4:27 AM MDT for 6 counties in Colorado. It took effect at Oct 4, 2011, 12:00 PM MDT. 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
Oct 4, 2011, 4:27 AM MDT (10:27 UTC)
In effect from
Oct 4, 2011, 12:00 PM MDT
Expired
Oct 4, 2011, 7:00 PM MDT
In force
7 hr
Issued by
NWS Pueblo, CO

Counties Baca County, CO, Bent County, CO, Crowley County, CO, Kiowa County, CO, Otero County, CO, Prowers County, CO

The radar

The Pueblo radar (KPUX), 113 km from the middle of the area, began a volume at 10:28 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

Denver, CO (KDNR), launched 00:00Z, 10.5 hours before the alert went out and 211 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, Denver, CO at 00:00Z on 2011-10-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 46 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2011-10-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
46 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
3257 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
26 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.

650 
WWUS85 KPUB 041027
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
427 AM MDT TUE OCT 4 2011

...A RED FLAG WARNING IS IN EFFECT FOR GUSTY WINDS...LOW RELATIVE
HUMIDITY VALUES AND DRY FUELS...FROM NOON TO 7 PM TODAY FOR FIRE
WEATHER ZONES 234...235...236...AND 237 WHICH INCLUDES KIOWA...BENT...
PROWERS AND BACA COUNTIES...

COZ234>237-050100-
/O.NEW.KPUB.FW.W.0074.111004T1800Z-111005T0100Z/
KIOWA COUNTY-BENT COUNTY-PROWERS COUNTY-BACA COUNTY-
427 AM MDT TUE OCT 4 2011

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS
EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 234...235...236 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 NOON TODAY TO 7 PM MDT THIS EVENING. 

* AFFECTED AREA...FIRE WEATHER ZONES 234...235...236 AND 237.

* WINDS...SOUTH 20 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* RELATIVE HUMIDITY...AS LOW AS 13 PERCENT.

* IMPACTS...CONDITIONS WILL BE FAVORABLE FOR EXTREME FIRE BEHAVIOR
  WITH RAPID RATES OF FIRE GROWTH AND SPREAD...IF A FIRE SHOULD START.

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.

&&

$$

STARK
3 follow-up statements
381 
WWUS85 KPUB 041959
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
159 PM MDT TUE OCT 4 2011

...A RED FLAG WARNING IS IN EFFECT FOR GUSTY WINDS...LOW RELATIVE
HUMIDITY VALUES AND DRY FUELS...UNTIL 7 PM TODAY FOR FIRE WEATHER
ZONES 231...232...234...235...236...AND 237 WHICH INCLUDES
CROWLEY...OTERO...KIOWA...BENT...PROWERS AND BACA COUNTIES...

COZ231-232-050100-
/O.EXA.KPUB.FW.W.0074.000000T0000Z-111005T0100Z/
CROWLEY COUNTY-OTERO COUNTY-
159 PM MDT TUE OCT 4 2011

...RED FLAG WARNING IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR
GUSTY WINDS...LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER ZONES
231 AND 232...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A RED FLAG
WARNING FOR GUSTY WINDS...LOW RELATIVE HUMIDITY AND DRY FUELS...WHICH
IS IN EFFECT UNTIL 7 PM MDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONES 231 AND 232.

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

* RELATIVE HUMIDITY...AS LOW AS 11 PERCENT.

* IMPACTS...CONDITIONS WILL BE FAVORABLE FOR EXTREME FIRE 
  BEHAVIOR WITH RAPID RATES OF FIRE GROWTH AND SPREAD...IF A 
  FIRE SHOULD START. 

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.

&&

$$

COZ234>237-050100-
/O.CON.KPUB.FW.W.0074.000000T0000Z-111005T0100Z/
KIOWA COUNTY-BENT COUNTY-PROWERS COUNTY-BACA COUNTY-
159 PM MDT TUE OCT 4 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR GUSTY WINDS...LOW RELATIVE HUMIDITY AND DRY FUELS FOR FIRE WEATHER ZONES
234...235...236 AND 237...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONES 234...235...236 AND 237.

* WINDS...SOUTH 20 TO 30 MPH WITH GUSTS UP TO 40 MPH.

* RELATIVE HUMIDITY...AS LOW AS 11 PERCENT.

* IMPACTS...CONDITIONS WILL BE FAVORABLE FOR EXTREME FIRE 
  BEHAVIOR WITH RAPID RATES OF FIRE GROWTH AND SPREAD...IF A 
  FIRE SHOULD START. 

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.

&&

$$
466 
WWUS85 KPUB 042114
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
314 PM MDT TUE OCT 4 2011

...A RED FLAG WARNING IS IN EFFECT FOR GUSTY WINDS...LOW RELATIVE
HUMIDITY VALUES AND DRY FUELS...UNTIL 7 PM TODAY FOR FIRE WEATHER
ZONES 231...232...234...235...236...AND 237 WHICH INCLUDES
CROWLEY...OTERO...KIOWA...BENT...PROWERS AND BACA COUNTIES...

COZ231-232-234>237-050100-
/O.CON.KPUB.FW.W.0074.000000T0000Z-111005T0100Z/
CROWLEY COUNTY-OTERO COUNTY-KIOWA COUNTY-BENT COUNTY-
PROWERS COUNTY-BACA COUNTY-
314 PM MDT TUE OCT 4 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
231...232...234...235...236 AND 237...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONES 231...232 AND 234 THROUGH 237.

* WINDS...SOUTH 25 TO 30 MPH WITH GUSTS UP TO 40 MPH.

* RELATIVE HUMIDITY...AS LOW AS 11 PERCENT.

* IMPACTS...CONDITIONS ARE FAVORABLE FOR EXTREME FIRE BEHAVIOR
  WITH RAPID RATES OF FIRE GROWTH AND SPREAD...IF A FIRE SHOULD
  START.

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.

&&

$$
741 
WWUS85 KPUB 050037
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
637 PM MDT TUE OCT 4 2011

...RED FLAG WARNING FOR FIRE WEATHER ZONES 231...232...234...
235...236 AND 237...WILL EXPIRE AT 7 PM...

COZ231-232-234>237-050145-
/O.EXP.KPUB.FW.W.0074.000000T0000Z-111005T0100Z/
CROWLEY COUNTY-OTERO COUNTY-KIOWA COUNTY-BENT COUNTY-
PROWERS COUNTY-BACA COUNTY-
637 PM MDT TUE OCT 4 2011

...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING FOR LOW 
HUMIDITIES AND GUSTY WINDS...FOR FIRE WEATHER ZONES 231...232
...234...235...236 AND 237...

THE RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING. 

HUMIDITY VALUES WILL CONTINUE TO INCREASE THROUGH THE EVENING
HOURS. WINDS WILL CONTINUE FROM THE SOUTH TO SOUTHWEST AT 10 TO 20
MPH. 

$$

HODANISH

The office that day

Everything else NWS Pueblo, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 4, 4:20 AM MDTWinter Storm WatchPUBChaffee, Conejos, Lake, Mineral, Rio Grande, Saguache24 hr

Nearby

Red Flag Warnings in Colorado, 2011Every red flag warning in 2011

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.