Alert archive / Colorado / Red Flag Warnings in 2021

Red Flag Warning 30, NWS Pueblo, CO

May 6, 20215 counties in Colorado

NWS Pueblo, CO issued this red flag warning at May 6, 2021, 3:31 PM MDT for 5 counties in Colorado. It took effect at May 7, 2021, 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, 2021, 3:31 PM MDT (21:31 UTC)
In effect from
May 7, 2021, 12:00 PM MDT
Expired
May 7, 2021, 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 21:32 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, 9.5 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 12:00Z on 2021-05-06Temperature 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 12:00Z on 2021-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 150 square meters per square second.1939Sfc1 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
2934 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
150 m²/s²
0-3 km storm-relative helicity
206 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

667 
WWUS85 KPUB 062131
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
331 PM MDT Thu May 6 2021

...Red Flag Warning in effect from Noon until 8 pm mdt Friday for
Gusty Winds, Low Relative Humidity and Dry Fuels for Fire Weather
Zone 224, which includes the San Luis Valley...

COZ224-071345-
/O.NEW.KPUB.FW.W.0030.210507T1800Z-210508T0200Z/
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
331 PM MDT Thu May 6 2021

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT FRIDAY FOR | 
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 8 PM MDT Friday.

* Affected Area...Fire Weather Zone 224.

* Winds...Southwest 10 to 20 mph with gusts up to 30 mph.

* Relative Humidity...As low as 12 percent.

* Impacts...Conditions will be favorable for rapid fire spread 
  and growth.

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
446 
WWUS85 KPUB 071007
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
407 AM MDT Fri May 7 2021

...Red Flag Warning in effect from Noon until 8 pm mdt Friday and
a Fire Weather Watch for Saturday for Gusty Winds, Low Relative 
Humidity and Dry Fuels for Fire Weather Zone 224, which includes 
the San Luis Valley...

COZ224-080215-
/O.NEW.KPUB.FW.A.0018.210508T1700Z-210509T0200Z/
/O.CON.KPUB.FW.W.0030.210507T1800Z-210508T0200Z/
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
407 AM MDT Fri May 7 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT
THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH
HAINES INDICES FOR FIRE WEATHER ZONE 224...
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH
HAINES INDICES FOR FIRE WEATHER ZONE 224...

The National Weather Service in Pueblo has issued a Fire Weather
Watch for gusty winds, low relative humidity, and high haines
indices, which is in effect from Saturday morning through
Saturday evening.

* Affected Area...Fire Weather Zone 224.

* Winds...Southwest 10 to 20 mph with gusts up to 30 mph today and
  15 to 25 mph with gusts up to 35 mph on Saturday.

* Relative Humidity...As low as 10 to 15 percent today and
  tomorrow.

* Impacts...Conditions will be favorable for rapid fire spread 
  and growth.

* Haines...6.

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.

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$
475 
WWUS85 KPUB 071316 CCA
RFWPUB

URGENT - FIRE WEATHER MESSAGE...CORRECTED
National Weather Service Pueblo CO
716 AM MDT Fri May 7 2021

...Red Flag Warning in effect from Noon until 8 pm mdt today for 
Gusty Winds, Low Relative Humidity and Dry Fuels for Fire Weather 
Zone 224, which includes the San Luis Valley...

...A Fire Weather Watch has been issued for Saturday afternoon and
evening for Gusty Winds, Low Relative Humidity and Dry Fuels for 
Fire Weather Zone 224, which includes the San Luis Valley...

COZ224-080215-
/O.NEW.KPUB.FW.A.0018.210508T1700Z-210509T0200Z/
/O.CON.KPUB.FW.W.0030.210507T1800Z-210508T0200Z/
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
716 AM MDT Fri May 7 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT
THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH
HAINES INDICES FOR FIRE WEATHER ZONE 224...
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH
HAINES INDICES FOR FIRE WEATHER ZONE 224...

The National Weather Service in Pueblo has issued a Fire Weather
Watch for gusty winds, low relative humidity, and high haines
indices, which is in effect from Saturday morning through
Saturday evening.

* Affected Area...Fire Weather Zone 224.

* Winds...Southwest 10 to 20 mph with gusts up to 30 mph today and
  15 to 25 mph with gusts up to 35 mph on Saturday.

* Relative Humidity...As low as 10 to 15 percent today and
  tomorrow.

* Impacts...Conditions will be favorable for rapid fire spread 
  and growth.

* Haines...6.

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.

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$
252 
WWUS85 KPUB 072057
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
257 PM MDT Fri May 7 2021

...Red Flag Warning in effect until 8 pm mdt today for Gusty 
Winds, Low Relative Humidity and Dry Fuels for Fire Weather Zone 
224, which includes the San Luis Valley...

...Red Flag Warning has been issued from 11 am mdt until 8 pm mdt 
Saturday for Gusty Winds, Low Relative Humidity and Dry Fuels for
Fire Weather Zone 224, which includes the San Luis Valley...

COZ224-081300-
/O.UPG.KPUB.FW.A.0018.210508T1700Z-210509T0200Z/
/O.NEW.KPUB.FW.W.0031.210508T1700Z-210509T0200Z/
/O.CON.KPUB.FW.W.0030.000000T0000Z-210508T0200Z/
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
257 PM MDT Fri May 7 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND DRY FUELS FOR FIRE 
WEATHER ZONE 224...

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT SATURDAY 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 11 AM to 8 PM MDT Saturday. The Fire 
Weather Watch is no longer in effect.

* Affected Area...Fire Weather Zone 224.

* Winds...Southwest 15 to 25 mph with gusts up to 35 mph.

* Relative Humidity...As low as 11 percent.

* Impacts...Conditions will be favorable for rapid fire spread 
  and growth.

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.

&&

$$
425 
WWUS85 KPUB 080222
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
822 PM MDT Fri May 7 2021

...Red Flag Warning is in effect from 11 am mdt until 8 pm mdt 
Saturday for Gusty Winds, Low Relative Humidity, Dry Fuels, and
high Haines Indices for Fire Weather Zone 224, which includes the
San Luis Valley...

COZ224-081830-
/O.EXP.KPUB.FW.W.0030.000000T0000Z-210508T0200Z/
/O.CON.KPUB.FW.W.0031.210508T1700Z-210509T0200Z/
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
822 PM MDT Fri May 7 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT
SATURDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, DRY FUELS, AND
HIGH HAINES INDICES FOR FIRE WEATHER ZONE 224...

...RED FLAG WARNING HAS EXPIRED FOR FOR GUSTY WINDS, LOW RELATIVE
HUMIDITY, DRY FUELS, AND HIGH HAINES INDICES FOR FIRE WEATHER 
ZONE 224...

* Affected Area...Fire Weather Zone 224.

* Winds...Southwest 15 to 25 mph with gusts up to 35 mph.

* Relative Humidity...As low as 11 percent.

* Impacts...Conditions will be favorable for rapid fire spread 
  and growth.

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.

&&

$$

Nearby

Red Flag Warnings in Colorado, 2021Every red flag warning in 2021

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.