Alert archive / Colorado / Red Flag Warnings in 2011

Red Flag Warning 37, NWS Pueblo, CO

May 6, 20115 counties in Colorado

NWS Pueblo, CO issued this red flag warning at May 6, 2011, 3:42 AM MDT for 5 counties in Colorado. It took effect at May 6, 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
May 6, 2011, 3:42 AM MDT (09:42 UTC)
In effect from
May 6, 2011, 12:00 PM MDT
Expired
May 6, 2011, 8:00 PM MDT
In force
8 hr
Issued by
NWS Pueblo, CO

Counties Alamosa County, CO, Conejos County, CO, Costilla County, CO, Rio Grande County, CO, Saguache County, CO

The radar

The Pueblo radar (KPUX), 190 km from the middle of the area, began a volume at 09:46 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

Grand Junction, CO (KGJT), launched 00:00Z, 9.7 hours before the alert went out and 279 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, Grand Junction, CO at 00:00Z on 2011-05-06Temperature 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, Grand Junction, CO at 00:00Z on 2011-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 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
5213 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
2 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.

071 
WWUS85 KPUB 060942
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
342 AM MDT FRI MAY 6 2011

...A RED FLAG WARNING IS IN EFFECT THIS AFTERNOON AND EARLY
EVENING...1200 TO 2000 LOCAL...FOR GUSTY WEST WINDS...LOW RELATIVE
HUMIDITY VALUES AND HIGH HAINES INDEX VALUES FOR FIRE WEATHER ZONE
224...THE SAN LUIS VALLEY...

.WEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL OCCUR THIS
AFTERNOON ACROSS THE SAN LUIS VALLEY. THESE WINDS COMBINED WITH
LOW RELATIVE HUMIDITY VALUES AND HIGH HAINES VALUES OF 6 WILL
ALLOW FOR EXTREME FIRE BEHAVIOR SHOULD A FIRE START.

COZ224-070145-
/O.NEW.KPUB.FW.W.0037.110506T1800Z-110507T0200Z/
SAN LUIS VALLEY-
342 AM MDT FRI MAY 6 2011

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

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

* AFFECTED AREA...FIRE WEATHER ZONE 224.

* WIND...WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* HUMIDITY...10 TO 15%.

* HAINES...6.

* IMPACTS...EXTREME FIRE BEHAVIOR IS POSSIBLE 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.

&&

$$

HODANISH
2 follow-up statements
412 
WWUS85 KPUB 062041
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
241 PM MDT FRI MAY 6 2011

...A RED FLAG WARNING IS IN EFFECT UNTIL 8 PM MDT...FOR GUSTY
WINDS...LOW HUMIDITIES...AND HIGH HAINES VALUES FOR FIRE WEATHER
ZONE 224...THE SAN LUIS VALLEY...

...A RED FLAG WARNING HAS BEEN ISSUED FROM NOON UNTIL 8 PM MDT
SATURDAY...FOR GUSTY WINDS...LOW HUMIDITIES...AND HIGH HAINES
VALUES FOR FIRE WEATHER ZONE 224...THE SAN LUIS VALLEY...

...A FIRE WEATHER WATCH HAS BEEN ISSUED FROM 11 AM UNTIL 8 PM MDT
SUNDAY...FOR GUSTY WINDS...LOW HUMIDITIES...AND HIGH HAINES VALUES
FOR FIRE WEATHER ZONES 221...222...AND 224 THROUGH 237...WHICH 
INCLUDES THE SAN LUIS VALLEY AND ALL OF THE EASTERN MOUNTAINS AND
PLAINS...

COZ224-071245-
/O.NEW.KPUB.FW.W.0038.110507T1800Z-110508T0200Z/
/O.NEW.KPUB.FW.A.0028.110508T1700Z-110509T0200Z/
/O.CON.KPUB.FW.W.0037.000000T0000Z-110507T0200Z/
SAN LUIS VALLEY-
241 PM MDT FRI MAY 6 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS...LOW HUMIDITIES AND HIGH HAINES VALUES FOR FIRE WEATHER ZONE 224...
...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT SATURDAY FOR
GUSTY WINDS...LOW HUMIDITIES AND HIGH HAINES VALUES FOR FIRE WEATHER ZONE 224...
...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING FOR GUSTY WINDS...LOW HUMIDITY AND HIGH HAINES VALUES FOR FIRE
WEATHER ZONE 224...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS CONTINUED A RED FLAG
WARNING UNTIL 8 PM TODAY...ISSUED A RED FLAG WARNING FROM NOON
UNTIL 8 PM SATURDAY...AND ISSUED A FIRE WEATHER WATCH FROM SUNDAY
MORNING THROUGH SUNDAY EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 224.

* WIND...WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* HUMIDITY...5 TO 15 PERCENT.

* HAINES...5 TO 6.

* IMPACTS...EXTREME FIRE BEHAVIOR IS POSSIBLE. RAPID RATES OF
  GROWTH AND SPREAD WILL BE 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.

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

&&

$$

COZ221-222-225>237-071245-
/O.NEW.KPUB.FW.A.0028.110508T1700Z-110509T0200Z/
TELLER COUNTY/RAMPART RANGE-FREMONT COUNTY-SOUTHERN FRONT RANGE-
NORTHERN EL PASO COUNTY-SOUTHERN EL PASO COUNTY-PUEBLO COUNTY-
HUERFANO COUNTY-WESTERN LAS ANIMAS COUNTY-CROWLEY COUNTY-
OTERO COUNTY-EASTERN LAS ANIMAS COUNTY-KIOWA COUNTY-BENT COUNTY-
PROWERS COUNTY-BACA COUNTY-
241 PM MDT FRI MAY 6 2011

...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING FOR GUSTY WINDS...LOW HUMIDITIES AND HIGH HAINES
VALUES FOR FIRE WEATHER ZONES 221...222...225...226...227...
228...229...230...231...232...233...234...235...236 AND 237...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A FIRE WEATHER
WATCH...WHICH IS IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING. 

* AFFECTED AREA...FIRE WEATHER ZONES 221...222...225...226...
  227...228...229...230...231...232...233...234...235...236 AND 
  237. 

* WIND...WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* HUMIDITY...5 TO 15 PERCENT.

* HAINES...5 TO 6.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
609 
WWUS85 KPUB 070148
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
748 PM MDT FRI MAY 6 2011

...A RED FLAG WARNING HAS BEEN ISSUED FROM NOON UNTIL 8 PM MDT
SATURDAY...FOR GUSTY WINDS...LOW HUMIDITIES...AND HIGH HAINES
VALUES FOR FIRE WEATHER ZONE 224...THE SAN LUIS VALLEY...

...A FIRE WEATHER WATCH HAS BEEN ISSUED FROM 11 AM UNTIL 8 PM MDT
SUNDAY...FOR GUSTY WINDS...LOW HUMIDITIES...AND HIGH HAINES
VALUES FOR FIRE WEATHER ZONES 221...222...AND 224 THROUGH 237...
WHICH INCLUDES THE SAN LUIS VALLEY AND ALL OF THE EASTERN
MOUNTAINS AND PLAINS...

COZ224-071800-
/O.EXP.KPUB.FW.W.0037.000000T0000Z-110507T0200Z/
/O.CON.KPUB.FW.W.0038.110507T1800Z-110508T0200Z/
/O.CON.KPUB.FW.A.0028.110508T1700Z-110509T0200Z/
SAN LUIS VALLEY-
748 PM MDT FRI MAY 6 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 8 PM MDT
SATURDAY FOR GUSTY WINDS AND LOW HUMIDITY...HIGH HAINES INDICES AND
HOT AND DRY CONDITIONS FOR FIRE WEATHER ZONE 224...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY...HIGH
HAINES INDICES AND HOT AND DRY CONDITIONS FOR FIRE WEATHER ZONE 224...
...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR
FIRE WEATHER ZONE 224...

THE RED FLAG WARNING FOR THE SAN LUIS VALLEY TODAY WILL EXPIRE AT
8 PM MDT.

* AFFECTED AREA...FIRE WEATHER ZONE 224.

* WIND...WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* HUMIDITY...5 TO 12 PERCENT.

* HAINES...5 TO 6.

* IMPACTS...EXTREME FIRE BEHAVIOR IS POSSIBLE. RAPID RATES OF
  GROWTH AND SPREAD WILL BE 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.

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

&&

$$

COZ221-222-225>237-071800-
/O.CON.KPUB.FW.A.0028.110508T1700Z-110509T0200Z/
TELLER COUNTY/RAMPART RANGE-FREMONT COUNTY-SOUTHERN FRONT RANGE-
NORTHERN EL PASO COUNTY-SOUTHERN EL PASO COUNTY-PUEBLO COUNTY-
HUERFANO COUNTY-WESTERN LAS ANIMAS COUNTY-CROWLEY COUNTY-
OTERO COUNTY-EASTERN LAS ANIMAS COUNTY-KIOWA COUNTY-BENT COUNTY-
PROWERS COUNTY-BACA COUNTY-
748 PM MDT FRI MAY 6 2011

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY...HIGH
HAINES INDICES AND HOT AND DRY CONDITIONS FOR FIRE WEATHER ZONES
221...222...225...226...227...228...229...230...231...232...
233...234...235...236 AND 237...

* AFFECTED AREA...FIRE WEATHER ZONES 221...222...225...226...
  227...228...229...230...231...232...233...234...235...236 AND 
  237. 

* WIND...WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* HUMIDITY...5 TO 15 PERCENT.

* HAINES...5 TO 6.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 2:41 PM MDTFire Weather WatchPUBAlamosa, Baca, Bent, Conejos, Costilla, Crowley and 12 more25 hr
May 6, 2:41 PM MDTRed Flag WarningPUBAlamosa, Conejos, Costilla, Rio Grande, Saguache29 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.