Alert archive / Colorado / Red Flag Warnings in 2015

Red Flag Warning 12, NWS Pueblo, CO

April 16, 20155 counties in Colorado

NWS Pueblo, CO issued this red flag warning at Apr 16, 2015, 3:54 AM MDT for 5 counties in Colorado. It took effect at Apr 16, 2015, 10:36 AM MDT. It was in force for 6 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 16, 2015, 3:54 AM MDT (09:54 UTC)
In effect from
Apr 16, 2015, 10:36 AM MDT
Expired
Apr 16, 2015, 4:23 PM MDT
In force
6 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 09:57 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, 9.9 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 2015-04-16Temperature 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 2015-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -39 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
2853 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-39 m²/s²
0-3 km storm-relative helicity
78 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.

453 
WWUS85 KPUB 160954
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
354 AM MDT THU APR 16 2015

...RED FLAG WARNING IN EFFECT FROM NOON UNTIL 7 PM TODAY FOR
GUSTY WINDS...LOW HUMIDITIES AND DRY FUELS FOR FIRE ZONE
224...WHICH INCLUDES THE SAN LUIS VALLEY...

COZ224-170100-
/O.NEW.KPUB.FW.W.0012.150416T1800Z-150417T0100Z/
SAN LUIS VALLEY-
354 AM MDT THU APR 16 2015

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS
EVENING FOR GUSTY WINDS...LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONE 224...

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 FROM NOON TODAY TO 7 PM MDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 224.

* WINDS...SOUTH 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* RELATIVE HUMIDITY...AS LOW AS 12 PERCENT.

* IMPACTS...POTENTIAL FOR RAPID FIRE IGNITION...GROWTH AND SPREAD.

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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$
3 follow-up statements
804 
WWUS85 KPUB 161636
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
1036 AM MDT THU APR 16 2015

...RED FLAG WARNING IN EFFECT UNTIL 7 PM TODAY FOR GUSTY
WINDS...LOW HUMIDITIES AND DRY FUELS FOR FIRE ZONE 224...WHICH
INCLUDES THE SAN LUIS VALLEY...

COZ224-170100-
/O.EXT.KPUB.FW.W.0012.150416T1636Z-150417T0100Z/
SAN LUIS VALLEY-
1036 AM MDT THU APR 16 2015

...RED FLAG WARNING NOW IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 224...

* AFFECTED AREA...FIRE WEATHER ZONE 224.

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

* RELATIVE HUMIDITY...AS LOW AS 12 PERCENT.

* IMPACTS...POTENTIAL FOR RAPID FIRE IGNITION...GROWTH AND 
  SPREAD.

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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$
974 
WWUS85 KPUB 162102
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
302 PM MDT THU APR 16 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM THIS EVENING FOR
GUSTY WINDS... LOW HUMIDITIES AND DRY FUELS FOR FIRE ZONE
224...WHICH INCLUDES THE SAN LUIS VALLEY...

COZ224-170100-
/O.CON.KPUB.FW.W.0012.000000T0000Z-150417T0100Z/
SAN LUIS VALLEY-
302 PM MDT THU APR 16 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
224...

* AFFECTED AREA...FIRE WEATHER ZONE 224.

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

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

* IMPACTS...POTENTIAL FOR RAPID FIRE IGNITION...GROWTH AND 
  SPREAD. 

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 CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$
862 
WWUS85 KPUB 162223
RFWPUB

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PUEBLO CO
423 PM MDT THU APR 16 2015

...RED FLAG WARNING IS CANCELED...

COZ224-162330-
/O.CAN.KPUB.FW.W.0012.000000T0000Z-150417T0100Z/
SAN LUIS VALLEY-
423 PM MDT THU APR 16 2015

...RED FLAG WARNING IS CANCELLED FOR LOW HUMIDITY AND STRONG WINDS FOR
FIRE WEATHER ZONE 224...

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS CANCELLED THE RED FLAG
WARNING.

RELATIVE HUMIDITIES ARE RISING ABOVE 30 PERCENT AND SCATTERED
SHOWERS ARE MOVING THROUGH THE SAN LUIS VALLEY...SO RED FLAG
CONDITIONS HAVE ENDED.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 4:26 AM MDTWinter Storm WarningPUBAlamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 5 more48 hr
Apr 16, 4:26 AM MDTWinter Weather AdvisoryPUBAlamosa, Chaffee, Costilla, Custer, El Paso, Fremont and 8 more68 hr
Apr 16, 4:47 PM MDTSpecial Weather StatementPUBProwers28 min
Apr 16, 5:15 PM MDTSpecial Weather StatementPUBProwers30 min
Apr 16, 5:38 PM MDTSpecial Weather StatementPUBProwers37 min
Apr 16, 5:41 PM MDTSpecial Weather StatementPUBBaca49 min

Nearby

Red Flag Warnings in Colorado, 2015Every red flag warning in 2015

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.