Alert archive / Colorado / Red Flag Warnings in 2017

Red Flag Warning 24, NWS Pueblo, CO

April 23, 20175 counties in Colorado

NWS Pueblo, CO issued this red flag warning at Apr 23, 2017, 9:02 AM MDT for 5 counties in Colorado. It took effect at Apr 24, 2017, 12:00 PM MDT. It was in force for 7 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 23, 2017, 9:02 AM MDT (15:02 UTC)
In effect from: Apr 24, 2017, 12:00 PM MDT
Expired: Apr 24, 2017, 7:00 PM MDT
In force: 7 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 15:07 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 12:00Z, 3.0 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2793 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 138 m²/s²
0-3 km storm-relative helicity: 221 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

441 
WWUS85 KPUB 231502
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
902 AM MDT Sun Apr 23 2017

...A RED FLAG WARNING HAS BEEN ISSUED FOR MONDAY FROM NOON UNTIL 
7 PM FOR GUSTY WINDS...LOW HUMIDITY AND DRY FUELS FOR FIRE 
WEATHER ZONE 224 WHICH INCLUDES THE SAN LUIS VALLEY...

COZ224-240715-
/O.NEW.KPUB.FW.W.0024.170424T1800Z-170425T0100Z/
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
902 AM MDT Sun Apr 23 2017

...RED FLAG WARNING IN EFFECT FROM NOON TO 7 PM MDT MONDAY 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 to 7 PM MDT Monday.

* Affected Area...Fire Weather Zone 224.

* Winds...west 20 to 30 mph with gusts up to 45 mph.

* Relative Humidity...as low as 12 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.

&&

$$

4 follow-up statements

356 
WWUS85 KPUB 232050
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
250 PM MDT Sun Apr 23 2017

...A RED FLAG WARNING HAS BEEN ISSUED FOR MONDAY FROM NOON UNTIL
7 PM FOR GUSTY WINDS...LOW HUMIDITY AND DRY FUELS FOR FIRE
WEATHER ZONE 224 WHICH INCLUDES THE SAN LUIS VALLEY...

COZ224-241300-
/O.CON.KPUB.FW.W.0024.170424T1800Z-170425T0100Z/
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
250 PM MDT Sun Apr 23 2017

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

* Affected Area...Fire Weather Zone 224.

* Winds...west 20 to 30 mph with gusts up to 45 mph.

* Relative Humidity...as low as 12 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.

&&

$$

668 
WWUS85 KPUB 241048
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
448 AM MDT Mon Apr 24 2017

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

COZ224-250100-
/O.CON.KPUB.FW.W.0024.170424T1800Z-170425T0100Z/
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
448 AM MDT Mon Apr 24 2017

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

* Affected Area...Fire Weather Zone 224.

* Winds...west 20 to 30 gusting to 40 mph.

* Relative Humidity...as low as 13 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 dry fuels could lead
to extreme fire behavior.

&&

$$

015 
WWUS85 KPUB 242043
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
243 PM MDT Mon Apr 24 2017

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

COZ224-250100-
/O.CON.KPUB.FW.W.0024.000000T0000Z-170425T0100Z/
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
243 PM MDT Mon Apr 24 2017

...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...west 20 to 30 mph with gusts up to 40 mph.

* Relative Humidity...as low as 12 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 dry fuels could lead to
extreme fire behavior.

&&

$$

434 
WWUS85 KPUB 250048
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
648 PM MDT Mon Apr 24 2017

...Red Flag Warning will expire at 7 pm...

COZ224-250200-
/O.EXP.KPUB.FW.W.0024.000000T0000Z-170425T0100Z/
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
648 PM MDT Mon Apr 24 2017

...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING FOR 
FIRE WEATHER ZONE 224...

Winds across the San Luis Valley will continue to decrease as 
humidity levels continue to increase this evening. This will allow
for the Red Flag Warning to expire at 7 pm.  

$$

Nearby

Red Flag Warnings in Colorado, 2017 Every 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.