Alert archive / Colorado / Red Flag Warnings in 2011

Red Flag Warning 33, NWS Pueblo, CO

April 20, 201111 counties in Colorado

NWS Pueblo, CO issued this red flag warning at Apr 20, 2011, 3:38 PM MDT for 11 counties in Colorado. It took effect at Apr 21, 2011, 12:00 PM MDT. 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 20, 2011, 3:38 PM MDT (21:38 UTC)
In effect from
Apr 21, 2011, 12:00 PM MDT
Expired
Apr 21, 2011, 8:00 PM MDT
In force
8 hr
Issued by
NWS Pueblo, CO

Counties Alamosa County, CO, Conejos County, CO, Costilla County, CO, Crowley County, CO, El Paso County, CO, Huerfano County, CO, Las Animas County, CO, Otero County, CO, Pueblo County, CO, Rio Grande County, CO, Saguache County, CO

The radar

The Pueblo radar (KPUX), 105 km from the middle of the area, began a volume at 21:37 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 12:00Z, 9.6 hours before the alert went out and 278 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 12:00Z on 2011-04-20Temperature 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 12:00Z on 2011-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 square meters per square second.1939587897Sfc1 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
600 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
229 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.

381 
WWUS85 KPUB 202138
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
338 PM MDT WED APR 20 2011

...A RED FLAG WARNING FOR STRONG WINDS...LOW HUMIDITIES AND DRY
FUELS IS IN EFFECT FROM NOON TO 8 PM ON THURSDAY FOR FIRE WEATHER
ZONES 224 AND 227 THROUGH 233...WHICH INCLUDES THE SAN LUIS
VALLEY...SOUTHERN EL PASO...PUEBLO...EASTERN HUERFANO...LAS
ANIMAS...CROWLEY AND OTERO COUNTIES...

...A FIRE WEATHER WATCH FOR STRONG WINDS...LOW HUMIDITIES AND DRY FUELS
REMAINS IN EFFECT FROM NOON TO 8 PM ON FRIDAY FOR FIRE WEATHER ZONES
227 THROUGH 233...WHICH INCLUDES SOUTHERN EL PASO...PUEBLO...EASTERN
HUERFANO...LAS ANIMAS...CROWLEY AND OTERO COUNTIES...

COZ226-234>237-202245-
/O.CAN.KPUB.FW.A.0024.110421T1800Z-110422T0200Z/
NORTHERN EL PASO COUNTY-KIOWA COUNTY-BENT COUNTY-PROWERS COUNTY-
BACA COUNTY-
338 PM MDT WED APR 20 2011

...FIRE WEATHER WATCH IS CANCELLED FOR GUSTY WINDS AND LOW
HUMIDITY FOR FIRE WEATHER ZONES 226...234...235...236 AND 237...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS CANCELLED THE FIRE
WEATHER WATCH. 

RELATIVE HUMIDITY LEVELS WILL REMAIN HIGH ENOUGH TO PRECLUDE THE
DEVELOP OF CRITICAL FIRE WEATHER CONDITIONS.  

$$

COZ227>233-211345-
/O.UPG.KPUB.FW.A.0024.110421T1800Z-110422T0200Z/
/O.NEW.KPUB.FW.W.0033.110421T1800Z-110422T0200Z/
/O.CON.KPUB.FW.A.0025.110422T1800Z-110423T0200Z/
SOUTHERN EL PASO COUNTY-PUEBLO COUNTY-HUERFANO COUNTY-
WESTERN LAS ANIMAS COUNTY-CROWLEY COUNTY-OTERO COUNTY-
EASTERN LAS ANIMAS COUNTY-
338 PM MDT WED APR 20 2011

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT THURSDAY FOR
STRONG AND GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 
227...228...229...230...231...232 AND 233... 

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH FRIDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE
WEATHER ZONES 227...228...229...230...231...232 AND 233...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 8 PM MDT THURSDAY. 

* AFFECTED AREA...FIRE WEATHER ZONES 227...228...229...230...231...232
  AND 233 WHICH INCLUDES SOUTHERN EL PASO...PUEBLO...EASTERN
  HUERFANO...LAS ANIMAS...CROWLEY AND OTERO COUNTIES.

* WIND...WESTERLY 20 TO 30 MPH WITH GUSTS TO 40 MPH.

* HUMIDITY...8 TO 15 PERCENT.

* IMPACTS...EXTREME FIRE BEHAVIOR WITH RAPID RATES OF GROWTH AND
  SPREAD WILL BE POSSIBLE WITH ANY FIRES.

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.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

COZ224-211345-
/O.NEW.KPUB.FW.W.0033.110421T1800Z-110422T0200Z/
SAN LUIS VALLEY-
338 PM MDT WED APR 20 2011

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT THURSDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 224...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 8 PM MDT THURSDAY. 

* AFFECTED AREA...FIRE WEATHER ZONE 224 WHICH INCLUDES THE SAN
  LUIS VALLEY.

* WIND...WESTERLY 20 TO 30 MPH WITH GUSTS TO 40 MPH.

* HUMIDITY...10 TO 15 PERCENT.

* IMPACTS...EXTREME FIRE BEHAVIOR WITH RAPID RATES OF GROWTH AND
  SPREAD WILL BE POSSIBLE WITH ANY FIRES.

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.

&&

$$
3 follow-up statements
508 
WWUS85 KPUB 211000
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
400 AM MDT THU APR 21 2011

...A RED FLAG WARNING FOR STRONG WINDS...LOW HUMIDITIES AND DRY
FUELS IS IN EFFECT FROM NOON TO 8 PM TODAY FOR FIRE WEATHER ZONES
224 AND 227 THROUGH 233...WHICH INCLUDES THE SAN LUIS
VALLEY...SOUTHERN EL PASO...PUEBLO...EASTERN HUERFANO...LAS
ANIMAS...CROWLEY AND OTERO COUNTIES...

...A FIRE WEATHER WATCH FOR STRONG WINDS...LOW HUMIDITIES AND DRY
FUELS REMAINS IN EFFECT FROM NOON TO 8 PM ON FRIDAY FOR FIRE
WEATHER ZONES 227 THROUGH 233...WHICH INCLUDES SOUTHERN EL PASO...
PUEBLO...EASTERN HUERFANO...LAS ANIMAS...CROWLEY AND OTERO
COUNTIES...

COZ227>233-220200-
/O.CON.KPUB.FW.W.0033.110421T1800Z-110422T0200Z/
/O.CON.KPUB.FW.A.0025.110422T1800Z-110423T0200Z/
SOUTHERN EL PASO COUNTY-PUEBLO COUNTY-HUERFANO COUNTY-
WESTERN LAS ANIMAS COUNTY-CROWLEY COUNTY-OTERO COUNTY-
EASTERN LAS ANIMAS COUNTY-
400 AM MDT THU APR 21 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT
THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER
ZONES 227...228...229...230...231...232 AND 233...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH FRIDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE
WEATHER ZONES 227...228...229...230...231...232 AND 233...

* AFFECTED AREA...FIRE WEATHER ZONES 227...228...229...230...
  231...232 AND 233. 

* WIND...WESTERLY 20 TO 30 MPH WITH GUSTS TO 40 MPH.

* HUMIDITY...8 TO 15 PERCENT.

* IMPACTS...EXTREME FIRE BEHAVIOR WITH RAPID RATES OF GROWTH 
  AND SPREAD WILL BE POSSIBLE WITH ANY FIRES. 

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.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

COZ224-220200-
/O.CON.KPUB.FW.W.0033.110421T1800Z-110422T0200Z/
SAN LUIS VALLEY-
400 AM MDT THU APR 21 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT
THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER
ZONE 224...

* AFFECTED AREA...FIRE WEATHER ZONE 224.

* WIND...WESTERLY 20 TO 30 MPH WITH GUSTS TO 40 MPH.

* HUMIDITY...10 TO 15 PERCENT.

* IMPACTS...EXTREME FIRE BEHAVIOR WITH RAPID RATES OF GROWTH 
  AND SPREAD WILL BE POSSIBLE WITH ANY FIRES. 

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.

&&

$$
062 
WWUS85 KPUB 212130
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
330 PM MDT THU APR 21 2011

...A RED FLAG WARNING FOR STRONG WINDS...LOW HUMIDITIES AND DRY
FUELS IS IN EFFECT UNTIL 8 PM FOR FIRE WEATHER ZONES 224 AND 227
THROUGH 230...WHICH INCLUDES THE SAN LUIS VALLEY...SOUTHERN EL
PASO...PUEBLO...EASTERN HUERFANO AND WESTERN LAS ANIMAS COUNTIES...

...A RED FLAG WARNING HAS BEEN ISSUED FOR STRONG WINDS...LOW
HUMIDITIES AND DRY FUELS FROM NOON TO 8 PM ON FRIDAY FOR FIRE
WEATHER ZONES 227 THROUGH 233...WHICH INCLUDES SOUTHERN EL
PASO... PUEBLO...EASTERN HUERFANO...LAS ANIMAS...CROWLEY AND
OTERO COUNTIES...

COZ231>233-221330-
/O.CAN.KPUB.FW.W.0033.000000T0000Z-110422T0200Z/
/O.UPG.KPUB.FW.A.0025.110422T1800Z-110423T0200Z/
/O.NEW.KPUB.FW.W.0034.110422T1800Z-110423T0200Z/
CROWLEY COUNTY-OTERO COUNTY-EASTERN LAS ANIMAS COUNTY-
330 PM MDT THU APR 21 2011

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT FRIDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 231...232 AND
233...

...RED FLAG WARNING IS CANCELLED FOR GUSTY WINDS AND LOW HUMIDITY
FOR FIRE WEATHER ZONES 231...232 AND 233...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 8 PM MDT FRIDAY. THE
RED FLAG WARNING FOR TODAY HAS BEEN CANCELLED. 

* AFFECTED AREA...FIRE WEATHER ZONES 231...232 AND 233. 

* WIND...WEST TO NORTHWEST 15 TO 30 MPH FRIDAY AFTERNOON AND EVENING.

* HUMIDITY...8 TO 15 PERCENT EXPECTED FRIDAY AFTERNOON.

* IMPACTS...EXTREME FIRE BEHAVIOR WITH RAPID RATES OF GROWTH AND
  SPREAD WILL BE POSSIBLE WITH ANY FIRES ON FRIDAY.

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.

&&

$$

COZ227>230-221330-
/O.UPG.KPUB.FW.A.0025.110422T1800Z-110423T0200Z/
/O.NEW.KPUB.FW.W.0034.110422T1800Z-110423T0200Z/
/O.CON.KPUB.FW.W.0033.000000T0000Z-110422T0200Z/
SOUTHERN EL PASO COUNTY-PUEBLO COUNTY-HUERFANO COUNTY-
WESTERN LAS ANIMAS COUNTY-
330 PM MDT THU APR 21 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 227...
228...229 AND 230...

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT FRIDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 227...228...
229 AND 230...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 8 PM MDT FRIDAY. 

* AFFECTED AREA...FIRE WEATHER ZONES 227...228...229 AND 230. 

* WIND...WESTERLY 20 TO 30 MPH WITH GUSTS TO 40 MPH THIS EVENING
  AND AGAIN ON FRIDAY.

* HUMIDITY...8 TO 15 PERCENT.

* IMPACTS...EXTREME FIRE BEHAVIOR WITH RAPID RATES OF GROWTH 
  AND SPREAD WILL BE POSSIBLE WITH ANY FIRES.

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.

&&

$$

COZ224-220200-
/O.CON.KPUB.FW.W.0033.000000T0000Z-110422T0200Z/
SAN LUIS VALLEY-
330 PM MDT THU APR 21 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 224...

* AFFECTED AREA...FIRE WEATHER ZONE 224.

* WIND...WESTERLY 20 TO 30 MPH WITH GUSTS TO 40 MPH.

* HUMIDITY...10 TO 15 PERCENT.

* IMPACTS...EXTREME FIRE BEHAVIOR WITH RAPID RATES OF GROWTH 
  AND SPREAD WILL BE POSSIBLE WITH ANY FIRES.

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.

&&

$$
556 
WWUS85 KPUB 220206
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
806 PM MDT THU APR 21 2011

...A RED FLAG WARNING REMAINS IN EFFECT FOR STRONG WINDS...LOW
HUMIDITIES AND DRY FUELS FROM NOON TO 8 PM ON FRIDAY FOR FIRE
WEATHER ZONES 227 THROUGH 233...WHICH INCLUDES SOUTHERN EL PASO...
PUEBLO...EASTERN HUERFANO...LAS ANIMAS...CROWLEY AND OTERO
COUNTIES...

...THE RED FLAG WARNING FOR THURSDAY HAS EXPIRED...

COZ227>230-221815-
/O.EXP.KPUB.FW.W.0033.000000T0000Z-110422T0200Z/
/O.CON.KPUB.FW.W.0034.110422T1800Z-110423T0200Z/
SOUTHERN EL PASO COUNTY-PUEBLO COUNTY-HUERFANO COUNTY-
WESTERN LAS ANIMAS COUNTY-
806 PM MDT THU APR 21 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 8 PM MDT
FRIDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
227...228...229 AND 230...
...RED FLAG WARNING HAS EXPIRED FOR THURSDAY...

THE RED FLAG WARNING FOR THURSDAY HAS BEEN ALLOWED TO EXPIRE.

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 8 PM MDT FRIDAY.

* AFFECTED AREA...FIRE WEATHER ZONES 227...228...229 AND 230. 

* WIND...WESTERLY 20 TO 30 MPH WITH GUSTS TO 40 MPH THIS 
  EVENING AND AGAIN ON FRIDAY. 

* HUMIDITY...8 TO 15 PERCENT.

* IMPACTS...EXTREME FIRE BEHAVIOR WITH RAPID RATES OF GROWTH 
  AND SPREAD WILL BE POSSIBLE WITH ANY FIRES.

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.

&&

$$

COZ224-220315-
/O.EXP.KPUB.FW.W.0033.000000T0000Z-110422T0200Z/
SAN LUIS VALLEY-
806 PM MDT THU APR 21 2011

...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW HUMIDITY
FOR FIRE WEATHER ZONE 224...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 

$$

COZ231>233-221815-
/O.CON.KPUB.FW.W.0034.110422T1800Z-110423T0200Z/
CROWLEY COUNTY-OTERO COUNTY-EASTERN LAS ANIMAS COUNTY-
806 PM MDT THU APR 21 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 8 PM MDT
FRIDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
231...232 AND 233...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 8 PM MDT FRIDAY. 

* AFFECTED AREA...FIRE WEATHER ZONES 231...232 AND 233. 

* WIND...WEST TO NORTHWEST 15 TO 30 MPH FRIDAY AFTERNOON AND
  EVENING.

* HUMIDITY...8 TO 15 PERCENT EXPECTED FRIDAY AFTERNOON.

* IMPACTS...EXTREME FIRE BEHAVIOR WITH RAPID RATES OF GROWTH 
  AND SPREAD WILL BE POSSIBLE WITH ANY FIRES ON FRIDAY. 

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 4:34 AM MDTFire Weather WatchPUBCrowley, El Paso, Huerfano, Las Animas, Otero, Pueblo35 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.