Alert archive / Colorado / Red Flag Warnings in 2017

Red Flag Warning 23, NWS Pueblo, CO

April 14, 20177 counties in Colorado

NWS Pueblo, CO issued this red flag warning at Apr 14, 2017, 3:59 AM MDT for 7 counties in Colorado. It took effect at Apr 14, 2017, 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 14, 2017, 3:59 AM MDT (09:59 UTC)
In effect from
Apr 14, 2017, 12:00 PM MDT
Expired
Apr 14, 2017, 7:39 PM MDT
In force
8 hr
Issued by
NWS Pueblo, CO

Counties Alamosa County, CO, Conejos County, CO, Costilla County, CO, El Paso County, CO, Rio Grande County, CO, Saguache County, CO, Teller County, CO

The radar

The Pueblo radar (KPUX), 144 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

Grand Junction, CO (KGJT), launched 00:00Z, 10.0 hours before the alert went out and 280 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 2017-04-14Temperature 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 2017-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
4334 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

500 
WWUS85 KPUB 140959
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
359 AM MDT Fri Apr 14 2017

...A RED FLAG WARNING HAS BEEN ISSUED FOR THIS AFTERNOON AND
EVENING FOR GUSTY WINDS...LOW RELATIVE HUMIDITY AND DRY FUELS FOR
FIRE WEATHER ZONES 221 AND 224 WHICH INCLUDES TELLER COUNTY AND
THE SAN LUIS VALLEY...

COZ221-224-150200-
/O.UPG.KPUB.FW.A.0016.170414T1800Z-170415T0300Z/
/O.NEW.KPUB.FW.W.0023.170414T1800Z-170415T0300Z/
Teller County/Rampart Range Including Pikes Peak and Florissant
Fossil Beds National Monument-
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
359 AM MDT Fri Apr 14 2017

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR FIRE WEATHER ZONES 221 AND 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 9 PM MDT this evening. the 
Fire Weather Watch is no longer in effect.

* Affected Area...Fire Weather Zones 221 and 224.

* Winds...southwest 10 to 20 mph with gusts up to 35 mph.

* Relative Humidity...as low as 10 percent.

* Impacts...conditions will be favorable for the rapid ignition, 
  growth and spread of 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 can
contribute to extreme fire behavior.

&&

$$
2 follow-up statements
741 
WWUS85 KPUB 142141
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
341 PM MDT Fri Apr 14 2017

...A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM FOR GUSTY
WINDS...LOW HUMIDITY AND DRY FUELS FOR FIRE WEATHER ZONES 221
AND 224 WHICH INCLUDES TELLER COUNTY AND THE SAN LUIS VALLEY...

COZ221-224-150300-
/O.CON.KPUB.FW.W.0023.000000T0000Z-170415T0300Z/
Teller County/Rampart Range Including Pikes Peak and Florissant
Fossil Beds National Monument-
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
341 PM MDT Fri Apr 14 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
221 AND 224...

* Affected Area...Fire Weather Zones 221 and 224.

* Winds...southwest 15 to 25 mph gusting to 35 mph.

* Relative Humidity...as low as 8 percent.

* Impacts...conditions will be favorable for the rapid ignition, 
  growth and spread of fires.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This Red Flag Warning means that critical fire weather conditions
are occurring now. A combination of strong winds, low relative 
humidity, and dry fuels could contribute to extreme fire 
behavior.

&&

$$
601 
WWUS85 KPUB 150139
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
739 PM MDT Fri Apr 14 2017

...Red Flag Warning has been cancelled...

Winds have decrease in Teller county and in the San Luis Valley,
and are no longer reaching Red Flag criteria.

COZ221-224-150245-
/O.CAN.KPUB.FW.W.0023.000000T0000Z-170415T0300Z/
Teller County/Rampart Range Including Pikes Peak and Florissant
Fossil Beds National Monument-
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
739 PM MDT Fri Apr 14 2017

...RED FLAG WARNING IS CANCELLED FOR GUSTY WINDS AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 221 AND 224...

The national Weather Service in Pueblo has cancelled the Red Flag
Warning for Teller county and the San Luis Valley. The winds in
these areas have decreased below Red Flag criteria.

$$

Nearby

Red Flag Warnings in Colorado, 2017Every red flag warning in 2017

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.