Alert archive / Colorado / Red Flag Warnings in 2018

Red Flag Warning 25, NWS Pueblo, CO

April 10, 201820 counties in Colorado

NWS Pueblo, CO issued this red flag warning at Apr 10, 2018, 3:52 AM MDT for 20 counties in Colorado. It took effect at Apr 11, 2018, 11:00 AM MDT. It was in force for 10 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 10, 2018, 3:52 AM MDT (09:52 UTC)
In effect from
Apr 11, 2018, 11:00 AM MDT
Expired
Apr 11, 2018, 9:00 PM MDT
In force
10 hr
Issued by
NWS Pueblo, CO

Counties Alamosa County, CO, Baca County, CO, Bent County, CO, Chaffee County, CO, Conejos County, CO, Costilla County, CO, Crowley County, CO, Custer County, CO, El Paso County, CO, Fremont County, CO, Huerfano County, CO, Kiowa County, CO, Lake County, CO, Las Animas County, CO, Otero County, CO, Prowers County, CO, Pueblo County, CO, Rio Grande County, CO, Saguache County, CO, Teller County, CO

The radar

The Pueblo radar (KPUX), 67 km from the middle of the area, began a volume at 09:54 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

Denver, CO (KDEN), launched 00:00Z, 9.9 hours before the alert went out and 241 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, Denver, CO at 00:00Z on 2018-04-10Temperature 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, Denver, CO at 00:00Z on 2018-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.19395878Sfc1 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
1983 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

101 
WWUS85 KPUB 100952
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
352 AM MDT Tue Apr 10 2018

...A Red Flag Warning has been issued from 11 am to 9 pm 
Wednesday for gusty winds, low humidity and dry fuels for fire 
weather zones 220 through 222, and 224 through 237, which includes
all of the southeast plains, the I-25 corridor, the eastern 
mountains, the San Luis Valley, and Lake and Chaffee counties...

...A Red Flag Warning has been issued from 10 am to 9 pm 
Thursday for gusty winds, low humidity and dry fuels for fire 
weather zones 220 through 222, and 224 through 237, which includes
all of the southeast plains, the I-25 corridor, the eastern 
mountains, the San Luis Valley, and Lake and Chaffee counties...

COZ220>222-224>237-110200-
/O.UPG.KPUB.FW.A.0019.180411T1700Z-180412T0300Z/
/O.NEW.KPUB.FW.W.0025.180411T1700Z-180412T0300Z/
/O.NEW.KPUB.FW.W.0026.180412T1600Z-180413T0300Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-
Teller County/Rampart Range Including Pikes Peak and Florissant
Fossil Beds National Monument-
Fremont County Including Canon City/Howard/Texas Creek-
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-
Northern El Paso County Including Monument and Black Forest-
Southern El Paso County Including Fort Carson and Colorado
Springs-Pueblo County Including Pueblo-
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Crowley County Including Ordway-
Otero County Including La Junta and Western Comanche Grasslands-
Eastern Las Animas County Including Pinon Canyon-
Kiowa County Including Eads-Bent County Including Las Animas-
Prowers County Including Lamar-
Baca County Including Springfield and Eastern Comanche Grasslands-
352 AM MDT Tue Apr 10 2018

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM MDT WEDNESDAY
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
220...221...222...224...225...226...227...228...229...230...231...
232...233...234...235...236 AND 237...
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 9 PM MDT THURSDAY FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
220...221...222...224...225...226...227...228...229...230...231...
232...233...234...235...236 AND 237...

The National Weather Service in Pueblo has issued a Red Flag
Warning for gusty winds and low relative humidity, which is in
effect from 11 AM to 9 PM MDT Wednesday. A Red Flag Warning has
also been issued from 10 AM to 9 PM MDT Thursday. The Fire
Weather Watch is no longer in effect.

* Affected Area...Fire Weather Zones 220...221...222...224... 
  225...226...227...228...229...230...231...232...233...234...
  235... 236 and 237.

* Winds...Southwest 25 to 35 mph with gusts up to 50 mph.

* Relative Humidity...As low as 7 percent.

* Impacts...Conditions will be favorable for the rapid ignition, 
  growth and spread of fires. Extreme fire behavior will be 
  possible.

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
798 
WWUS85 KPUB 102044
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
244 PM MDT Tue Apr 10 2018

...A Red Flag Warning is in effect from 11 AM to 9 PM Wednesday 
for gusty winds, low humidity and dry fuels for fire weather zones
220 through 222, and 224 through 237, which includes all of the 
southeast plains, the I-25 corridor, the eastern mountains, the 
San Luis Valley, and Lake and Chaffee counties...

...A Red Flag Warning is in effect from 10 AM to 9 PM Thursday 
for gusty winds, low humidity and dry fuels for fire weather zones
220 through 222, and 224 through 237, which includes all of the 
southeast plains, the I-25 corridor, the eastern mountains, the 
San Luis Valley, and Lake and Chaffee counties...


COZ220>222-224>237-111245-
/O.CON.KPUB.FW.W.0025.180411T1700Z-180412T0300Z/
/O.CON.KPUB.FW.W.0026.180412T1600Z-180413T0300Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-
Teller County/Rampart Range Including Pikes Peak and Florissant
Fossil Beds National Monument-
Fremont County Including Canon City/Howard/Texas Creek-
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-
Northern El Paso County Including Monument and Black Forest-
Southern El Paso County Including Fort Carson and Colorado
Springs-Pueblo County Including Pueblo-
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Crowley County Including Ordway-
Otero County Including La Junta and Western Comanche Grasslands-
Eastern Las Animas County Including Pinon Canyon-
Kiowa County Including Eads-Bent County Including Las Animas-
Prowers County Including Lamar-
Baca County Including Springfield and Eastern Comanche Grasslands-
244 PM MDT Tue Apr 10 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM MDT
WEDNESDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 220...221...222...224...225...226...227...228...
229...230...231...232...233...234...235...236 AND 237...
...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 9 PM MDT
THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 220...221...222...224...225...226...227...228...
229...230...231...232...233...234...235...236 AND 237...

* Affected Area...Fire Weather Zones 220...221...222...224... 
  225...226...227...228...229...230...231...232...233...234...
  235... 236 and 237.

* Winds...Wednesday, southwest 25 to 35 mph with gusts around 40
  mph.  On Thursday, southwest 25 to 40 mph with gusts around 50 
  mph.

* Relative Humidity...As low as 6 percent.

* Impacts...Conditions will be favorable for the rapid ignition, 
  growth and spread of fires. Extreme fire behavior will be 
  possible.

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.

&&

$$
734 
WWUS85 KPUB 110957
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
357 AM MDT Wed Apr 11 2018

...A Red Flag Warning is in effect from 11 AM this morning until 
9 PM this evening for gusty winds, low humidity and dry fuels for 
fire weather zones 220 through 222, and 224 through 237, which 
includes all of the Southeast Plains, the Interstate 25 corridor,
the Eastern Mountains, the San Luis Valley, and Lake and Chaffee 
Counties...

...A Red Flag Warning is in effect from 10 AM to 9 PM Thursday
for gusty winds, low humidity and dry fuels for fire weather
zones 220 through 222, and 224 through 237, which includes all of
the Southeast Plains, the Interstate 25 corridor, the Eastern 
Mountains, the San Luis Valley, and Lake and Chaffee Counties...

COZ220>222-224>237-120200-
/O.CON.KPUB.FW.W.0025.180411T1700Z-180412T0300Z/
/O.CON.KPUB.FW.W.0026.180412T1600Z-180413T0300Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-
Teller County/Rampart Range Including Pikes Peak and Florissant
Fossil Beds National Monument-
Fremont County Including Canon City/Howard/Texas Creek-
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-
Northern El Paso County Including Monument and Black Forest-
Southern El Paso County Including Fort Carson and Colorado
Springs-Pueblo County Including Pueblo-
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Crowley County Including Ordway-
Otero County Including La Junta and Western Comanche Grasslands-
Eastern Las Animas County Including Pinon Canyon-
Kiowa County Including Eads-Bent County Including Las Animas-
Prowers County Including Lamar-
Baca County Including Springfield and Eastern Comanche Grasslands-
357 AM MDT Wed Apr 11 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY
FOR FIRE WEATHER ZONES 220...221...222...224...225...226...227...
228...229...230...231...232...233...234...235...236 AND 237...

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 9 PM MDT
THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 220...221...222...224...225...226...227...228...
229...230...231...232...233...234...235...236 AND 237...

* Affected Area...Fire Weather Zones 220...221...222...224... 
  225...226...227...228...229...230...231...232...233...234...
  235... 236 and 237.

* Winds...Today...west 20 to 25 mph with gusts to 35 mph. 
  Thursday...Southwest 30 to 40 mph with gusts up to 50 mph.

* Relative Humidity...5 to 10 percent.

* Impacts...Conditions will be favorable for the rapid ignition, 
  growth and spread of fires. Extreme fire behavior will be 
  possible.

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.

&&

$$
733 
WWUS85 KPUB 112055
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
255 PM MDT Wed Apr 11 2018

...A Red Flag Warning is in effect until 9 PM today for gusty 
winds, low humidity and dry fuels for fire weather zones 220 
through 222, and 224 through 237, which includes all of the 
Southeast Plains, the Interstate 25 corridor, the Eastern 
Mountains, the San Luis Valley, and Lake and Chaffee Counties...

...A Red Flag Warning is in effect from 10 AM to 9 PM Thursday
for gusty winds, low humidity and dry fuels for fire weather
zones 220 through 222, and 224 through 237, which includes all of
the Southeast Plains, the Interstate 25 corridor, the Eastern
Mountains, the San Luis Valley, and Lake and Chaffee Counties...

COZ220>222-224>237-121300-
/O.CON.KPUB.FW.W.0025.000000T0000Z-180412T0300Z/
/O.CON.KPUB.FW.W.0026.180412T1600Z-180413T0300Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-
Teller County/Rampart Range Including Pikes Peak and Florissant
Fossil Beds National Monument-
Fremont County Including Canon City/Howard/Texas Creek-
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-
Northern El Paso County Including Monument and Black Forest-
Southern El Paso County Including Fort Carson and Colorado
Springs-Pueblo County Including Pueblo-
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Crowley County Including Ordway-
Otero County Including La Junta and Western Comanche Grasslands-
Eastern Las Animas County Including Pinon Canyon-
Kiowa County Including Eads-Bent County Including Las Animas-
Prowers County Including Lamar-
Baca County Including Springfield and Eastern Comanche Grasslands-
255 PM MDT Wed Apr 11 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
220...221...222...224...225...226...227...228...229...230...231...
232...233...234...235...236 AND 237...
...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 9 PM MDT
THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 220...221...222...224...225...226...227...228...
229...230...231...232...233...234...235...236 AND 237...

* Affected Area...Fire Weather Zones 220...221...222...224... 
  225...226...227...228...229...230...231...232...233...234...
  235... 236 and 237.

* Winds...Southwest 25 to 30 mph with gusts of 40 to 45 mph today.
  On Thursday, southwest winds 30 to 40 mph with gusts of 45 to 
  60 mph.

* Relative Humidity...As low as 5 percent.

* Impacts...Conditions will be favorable for the rapid ignition, 
  growth and spread of fires. Extreme fire behavior will be 
  possible.

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.

&&

$$
480 
WWUS85 KPUB 120233
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
833 PM MDT Wed Apr 11 2018

...A Red Flag Warning will expire at 9 PM today for fire weather 
zones 220 through 222, and 224 through 237, which includes all of 
the Southeast Plains, the Interstate 25 corridor, the Eastern 
Mountains, the San Luis Valley, and Lake and Chaffee Counties...

...A Red Flag Warning is in effect from 10 AM to 9 PM Thursday
for gusty winds, low humidity and dry fuels for fire weather
zones 220 through 222, and 224 through 237, which includes all of
the Southeast Plains, the Interstate 25 corridor, the Eastern
Mountains, the San Luis Valley, and Lake and Chaffee Counties...

COZ220>222-224>237-121845-
/O.EXP.KPUB.FW.W.0025.000000T0000Z-180412T0300Z/
/O.CON.KPUB.FW.W.0026.180412T1600Z-180413T0300Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-
Teller County/Rampart Range Including Pikes Peak and Florissant
Fossil Beds National Monument-
Fremont County Including Canon City/Howard/Texas Creek-
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-
Northern El Paso County Including Monument and Black Forest-
Southern El Paso County Including Fort Carson and Colorado
Springs-Pueblo County Including Pueblo-
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Crowley County Including Ordway-
Otero County Including La Junta and Western Comanche Grasslands-
Eastern Las Animas County Including Pinon Canyon-
Kiowa County Including Eads-Bent County Including Las Animas-
Prowers County Including Lamar-
Baca County Including Springfield and Eastern Comanche Grasslands-
833 PM MDT Wed Apr 11 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 9 PM MDT
THURSDAY FOR FIRE WEATHER ZONES 220... 
221...222...224...225...226...227...228...229...230...231...232...
233...234...235...236 AND 237... 

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR FIRE
WEATHER ZONES 220...221...222... 
224...225...226...227...228...229...230...231...232...233...234...
235...236 AND 237...

* Affected Area...Fire Weather Zones 220...221...222...224... 
  225...226...227...228...229...230...231...232...233...234...
  235... 236 and 237.

* Winds...Southwest 30 to 40 mph with gusts up to 60 mph.

* Relative Humidity...As low as 5 percent.

* Impacts...Conditions will be favorable for the rapid ignition, 
  growth and spread of fires. Extreme fire behavior will be 
  possible.

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 3:52 AM MDTRed Flag WarningPUBAlamosa, Baca, Bent, Chaffee, Conejos, Costilla and 14 more65 hr

Nearby

Red Flag Warnings in Colorado, 2018Every red flag warning in 2018

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.