Alert archive / Colorado / Red Flag Warnings in 2011

Red Flag Warning 36, NWS Pueblo, CO

May 4, 20117 counties in Colorado

NWS Pueblo, CO issued this red flag warning at May 4, 2011, 3:52 AM MDT for 7 counties in Colorado. It took effect at May 4, 2011, 11:00 AM MDT. It was in force for 9 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
May 4, 2011, 3:52 AM MDT (09:52 UTC)
In effect from
May 4, 2011, 11:00 AM MDT
Expired
May 4, 2011, 8:00 PM MDT
In force
9 hr
Issued by
NWS Pueblo, CO

Counties Alamosa County, CO, Baca County, CO, Conejos County, CO, Costilla County, CO, Las Animas County, CO, Rio Grande County, CO, Saguache County, CO

The radar

The Pueblo radar (KPUX), 143 km from the middle of the area, began a volume at 09:56 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

Albuquerq/Krtlnd, NM (KABQ), launched 00:00Z, 9.9 hours before the alert went out and 296 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, Albuquerq/Krtlnd, NM at 00:00Z on 2011-05-04Temperature 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, Albuquerq/Krtlnd, NM at 00:00Z on 2011-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -59 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
5641 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
-59 m²/s²
0-3 km storm-relative helicity
62 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.

988 
WWUS85 KPUB 040952
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
352 AM MDT WED MAY 4 2011

...A RED FLAG WARNING FOR STRONG WINDS...LOW HUMIDITIES AND DRY
FUELS HAS BEEN ISSUED FOR LATE THIS MORNING THROUGH EARLY THIS
EVENING FOR FIRE WEATHER ZONES 224...230...233 AND 237...WHICH
INCLUDES THE SAN LUIS VALLEY...LAS ANIMAS AND BACA COUNTIES...

COZ231-232-234>236-041100-
/O.CAN.KPUB.FW.A.0027.110504T1700Z-110505T0200Z/
CROWLEY COUNTY-OTERO COUNTY-KIOWA COUNTY-BENT COUNTY-
PROWERS COUNTY-
352 AM MDT WED MAY 4 2011

...FIRE WEATHER WATCH IS CANCELLED FOR GUSTY WINDS AND LOW
HUMIDITY FOR FIRE WEATHER ZONES 231...232...234...235 AND 236...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS CANCELLED THE FIRE
WEATHER WATCH THAT WAS IN EFFECT FOR FIRE WEATHER ZONES 231...
232...234...235 AND 236.  CRITICAL FIRE WEATHER CONDITIONS ARE
NO LONGER EXPECTED.

$$

COZ224-230-233-237-050200-
/O.UPG.KPUB.FW.A.0027.110504T1700Z-110505T0200Z/
/O.NEW.KPUB.FW.W.0036.110504T1700Z-110505T0200Z/
SAN LUIS VALLEY-WESTERN LAS ANIMAS COUNTY-
EASTERN LAS ANIMAS COUNTY-BACA COUNTY-
352 AM MDT WED MAY 4 2011

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT
THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER
ZONES 224...230...233 AND 237...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT
THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* AFFECTED AREA...FIRE WEATHER ZONES 224...230...233 AND 237. 

* WIND...WEST TO NORTHWEST 10 TO 25 MPH WITH GUSTS TO 40 MPH AT
  TIMES.

* MINIMUM RELATIVE HUMIDITIES...10 TO 15 PERCENT.

* IMPACTS...CONDITIONS WILL BE FAVORABLE FOR EXTREME FIRE
  BEHAVIOR. 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
341 
WWUS85 KPUB 042201
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
401 PM MDT WED MAY 4 2011

...A RED FLAG WARNING FOR STRONG WINDS...LOW HUMIDITIES AND DRY
FUELS IS IN EFFECT THROUGH EARLY THIS EVENING FOR FIRE WEATHER ZONES
224...230...233 AND 237...WHICH INCLUDES THE SAN LUIS VALLEY...LAS
ANIMAS AND BACA COUNTIES...

COZ224-230-233-237-050200-
/O.CON.KPUB.FW.W.0036.000000T0000Z-110505T0200Z/
SAN LUIS VALLEY-WESTERN LAS ANIMAS COUNTY-
EASTERN LAS ANIMAS COUNTY-BACA COUNTY-
401 PM MDT WED MAY 4 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 224...
230...233 AND 237...

* AFFECTED AREA...FIRE WEATHER ZONES 224...230...233 AND 237.

* WIND...WEST TO NORTHWEST 10 TO 25 MPH WITH GUSTS TO 40 MPH AT 
  TIMES.

* MINIMUM RELATIVE HUMIDITIES...10 TO 15 PERCENT.

* IMPACTS...CONDITIONS WILL BE FAVORABLE FOR EXTREME FIRE 
  BEHAVIOR. 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.

&&

$$
422 
WWUS85 KPUB 050156
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
756 PM MDT WED MAY 4 2011

...THE RED FLAG WARNING FOR STRONG WINDS...LOW HUMIDITIES AND DRY
FUELS WILL EXPIRE AT 8 PM FOR FIRE WEATHER ZONES 224...230...233
AND 237...WHICH INCLUDES THE SAN LUIS VALLEY...AS WELL AS LAS
ANIMAS AND BACA COUNTIES...

COZ224-230-233-237-050300-
/O.EXP.KPUB.FW.W.0036.000000T0000Z-110505T0200Z/
SAN LUIS VALLEY-WESTERN LAS ANIMAS COUNTY-
EASTERN LAS ANIMAS COUNTY-BACA COUNTY-
756 PM MDT WED MAY 4 2011

...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR
FIRE WEATHER ZONES 224...230...233 AND 237...

THE RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING. 

HUMIDITY LEVELS ACROSS THE AREA WILL CONTINUE TO INCREASE AS WINDS
CONTINUE TO DECREASING BEHIND A COLD FRONT MOVING INTO NORTHERN
NEW MEXICO THROUGH THE REST OF THE EVENING. THIS WILL ALLOW FOR
THE RED FLAG WARNING TO EXPIRE AT 8 PM MDT.

$$
958 
WWUS85 KPUB 050200 CCA
RFWPUB

URGENT - FIRE WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE PUEBLO CO
800 PM MDT WED MAY 4 2011

...THE RED FLAG WARNING FOR STRONG WINDS...LOW HUMIDITIES AND DRY
FUELS WILL EXPIRE AT 8 PM FOR FIRE WEATHER ZONES 224...230...233
AND 237...WHICH INCLUDES THE SAN LUIS VALLEY...AS WELL AS LAS
ANIMAS AND BACA COUNTIES...

COZ224-230-233-237-050300-
/O.COR.KPUB.FW.W.0036.000000T0000Z-110505T0200Z/
SAN LUIS VALLEY-WESTERN LAS ANIMAS COUNTY-
EASTERN LAS ANIMAS COUNTY-BACA COUNTY-
800 PM MDT WED MAY 4 2011

...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR
FIRE WEATHER ZONES 224...230...233 AND 237...

THE RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING. 

HUMIDITY LEVELS ACROSS THE AREA WILL CONTINUE TO INCREASE AS WINDS
CONTINUE TO DECREASE BEHIND A COLD FRONT MOVING INTO NORTHERN NEW
MEXICO THROUGH THE REST OF THE EVENING. THIS WILL ALLOW FOR THE
RED FLAG WARNING TO EXPIRE AT 8 PM MDT.

$$

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.