Alert archive / Colorado / Red Flag Warnings in 2011

Red Flag Warning 75, NWS Pueblo, CO

October 6, 20118 counties in Colorado

NWS Pueblo, CO issued this red flag warning at Oct 6, 2011, 4:11 AM MDT for 8 counties in Colorado. It took effect at Oct 6, 2011, 12:00 PM MDT. It was in force for 7 hr. 10 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Oct 6, 2011, 4:11 AM MDT (10:11 UTC)
In effect from
Oct 6, 2011, 12:00 PM MDT
Expired
Oct 6, 2011, 7:00 PM MDT
In force
7 hr
Issued by
NWS Pueblo, CO

Counties Baca County, CO, Bent County, CO, Crowley County, CO, El Paso County, CO, Kiowa County, CO, Las Animas County, CO, Otero County, CO, Prowers County, CO

The radar

The Pueblo radar (KPUX), 88 km from the middle of the area, began a volume at 10:15 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.

What was reported inside it

TimeReportWhereRemark
Oct 6, 12:23 PM MDTNON-TSTM WND GST 5928 Ese Colorado Springs, COBULLSEYE AUX AIRSTRIP.
Oct 6, 1:35 PM MDTNON-TSTM WND GST 672 Ne Aguilar, COI-25 AT AGUILAR CDOT.
Oct 6, 1:37 PM MDTNON-TSTM WND GST 655 Ene Peyton, CO
Oct 6, 1:43 PM MDTNON-TSTM WND GST 593 Ese Hoehne, COTRINIDAD AIRPORT ASOS.
Oct 6, 1:59 PM MDTNON-TSTM WND GST 664 Sw Campo, COUTE CANYON BLM/USDA.
Oct 6, 2:07 PM MDTNON-TSTM WND GST 705 Ene Peyton, CO
Oct 6, 2:37 PM MDTNON-TSTM WND GST 664 Sw Campo, COUTE CANYON BLM/USDA.
Oct 6, 2:37 PM MDTNON-TSTM WND GST 735 Ene Peyton, CO
Oct 6, 3:01 PM MDTNON-TSTM WND GST 6017 Nw Two Buttes, COGOBBLERS KNOB CDOT.
Oct 6, 3:20 PM MDTNON-TSTM WND GST 637 Sse Springfield, CO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 10.2 hours before the alert went out and 208 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 2011-10-06Temperature 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 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 2011-10-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
3278 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
41 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.

434 
WWUS85 KPUB 061011
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
411 AM MDT THU OCT 6 2011

...A RED FLAG WARNING HAS BEEN ISSUED FOR GUSTY WINDS...LOW
RELATIVE HUMIDITY VALUES...AND DRY FUELS...FROM NOON UNTIL 7 PM
TODAY FOR FIRE WEATHER ZONES 226...227...230 THROUGH 237...WHICH
INCLUDES EL PASO...LAS ANIMAS...CROWLEY...OTERO...BENT...PROWERS...AND
BACA COUNTIES...

COZ226-227-230>237-070100-
/O.NEW.KPUB.FW.W.0075.111006T1800Z-111007T0100Z/
NORTHERN EL PASO COUNTY-SOUTHERN EL PASO COUNTY-
WESTERN LAS ANIMAS COUNTY-CROWLEY COUNTY-OTERO COUNTY-
EASTERN LAS ANIMAS COUNTY-KIOWA COUNTY-BENT COUNTY-PROWERS COUNTY-
BACA COUNTY-
411 AM MDT THU OCT 6 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 226...227...230...231...232...233...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 226...227...230...231... 
  232...233...234...235...236 AND 237.

* WINDS...SOUTH TO SOUTHWEST WINDS 35 TO 45 MPH WITH GUSTS UP TO
  60 MPH.

* RELATIVE HUMIDITY...AS LOW AS 15 PERCENT.

* IMPACTS...CONDITIONS WILL BE FAVORABLE FOR VOLATILE 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.

&&

$$
2 follow-up statements
559 
WWUS85 KPUB 062059
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
259 PM MDT THU OCT 6 2011

...A RED FLAG WARNING FOR GUSTY WINDS...LOW RELATIVE HUMIDITY
VALUES AND DRY FUELS...REMAINS IN EFFECT UNTIL 7 PM TODAY FOR FIRE
WEATHER ZONES 226...227...230 THROUGH 237...WHICH INCLUDES EL
PASO...LAS ANIMAS...CROWLEY...OTERO...BENT... PROWERS...AND BACA
COUNTIES...

COZ226-227-230>237-070100-
/O.CON.KPUB.FW.W.0075.000000T0000Z-111007T0100Z/
NORTHERN EL PASO COUNTY-SOUTHERN EL PASO COUNTY-
WESTERN LAS ANIMAS COUNTY-CROWLEY COUNTY-OTERO COUNTY-
EASTERN LAS ANIMAS COUNTY-KIOWA COUNTY-BENT COUNTY-PROWERS COUNTY-
BACA COUNTY-
259 PM MDT THU OCT 6 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
226...227...230...231...232...233...234...235...236 AND 237...

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

* AFFECTED AREA...FIRE WEATHER ZONES 226...227...230...231... 
  232...233...234...235...236 AND 237. 

* WINDS...SOUTHWEST 35 TO 45 MPH WITH GUSTS UP TO 60 MPH. WINDS
  WILL DIMINISH THIS EVENING. 

* RELATIVE HUMIDITY...15-20 PERCENT.

* IMPACTS...CONDITIONS WILL BE FAVORABLE FOR VOLATILE 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.

&&

$$
934 
WWUS85 KPUB 070038
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
638 PM MDT THU OCT 6 2011

...RED FLAG WARNING EXPIRES AT 7 PM...

COZ226-227-230>237-070145-
/O.EXP.KPUB.FW.W.0075.000000T0000Z-111007T0100Z/
NORTHERN EL PASO COUNTY-SOUTHERN EL PASO COUNTY-
WESTERN LAS ANIMAS COUNTY-CROWLEY COUNTY-OTERO COUNTY-
EASTERN LAS ANIMAS COUNTY-KIOWA COUNTY-BENT COUNTY-PROWERS COUNTY-
BACA COUNTY-
638 PM MDT THU OCT 6 2011

...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
226...227...230...231...232...233...234...235...236 AND 237...

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

A COLD FRONT WAS MOVING ACROSS THE PLAINS EARLY THIS EVENING.
TEMPERATURES BEHIND THE FRONT WERE DROPPING INTO THE 50S AND
60S...AND WINDS WERE GRADUALLY DECREASING. HUMIDITY VALUES WILL
CONTINUE TO RISE AS TEMPERATURES CONTINUE TO FALL ACROSS THE
PLAINS. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 6, 4:06 AM MDTHigh Wind WarningPUBAlamosa, Baca, Bent, Conejos, Costilla, Crowley and 9 more16 hr
Oct 6, 2:58 PM MDTWinter Storm WatchPUBAlamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more14 hr
Oct 6, 3:01 PM MDTFreeze WarningPUBAlamosa, Conejos, Costilla, Rio Grande, Saguache18 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.