Alert archive / Colorado / Red Flag Warnings in 2018

Red Flag Warning 29, NWS Pueblo, CO

April 18, 201817 counties in Colorado

NWS Pueblo, CO issued this red flag warning at Apr 18, 2018, 3:12 PM MDT for 17 counties in Colorado. It took effect at Apr 19, 2018, 11:00 AM MDT. It was in force for 9 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 18, 2018, 3:12 PM MDT (21:12 UTC)
In effect from
Apr 19, 2018, 11:00 AM MDT
Expired
Apr 19, 2018, 8:00 PM MDT
In force
9 hr
Issued by
NWS Pueblo, CO

Counties Alamosa 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, Lake County, CO, Las Animas County, CO, Otero County, CO, Pueblo County, CO, Rio Grande County, CO, Saguache County, CO, Teller County, CO

The radar

The Pueblo radar (KPUX), 93 km from the middle of the area, began a volume at 21:11 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 12:00Z, 9.2 hours before the alert went out and 258 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 12:00Z on 2018-04-18Temperature 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 12:00Z on 2018-04-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.1939587897117Sfc1 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
2200 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
-118 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

870 
WWUS85 KPUB 182112
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
312 PM MDT Wed Apr 18 2018

...A RED FLAG WARNING has been issued for late Thursday morning 
through early Thursday evening for gusty winds, low relative 
humidity values, high Haines indices and dry fuels for fire 
weather zones 220, 222 224, 225, 228, 229, 230, 232, and 233, 
which includes the San Luis Valley, the lower elevations of the 
Sangre de Cristo and Wet Mountains, and Lake, Chaffee, Fremont, 
Pueblo, Huerfano, Las Animas, and Otero Counties...

COZ220-222-224-225-228>230-232-233-191315-
/O.UPG.KPUB.FW.A.0022.180419T1700Z-180420T0100Z/
/O.NEW.KPUB.FW.W.0029.180419T1700Z-180420T0100Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-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-Pueblo County Including Pueblo-
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Otero County Including La Junta and Western Comanche Grasslands-
Eastern Las Animas County Including Pinon Canyon-
312 PM MDT Wed Apr 18 2018

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM MDT THURSDAY FOR
FIRE WEATHER ZONES 220...222...224... 225...228...229...230...232
AND 233...

The National Weather Service in Pueblo has issued a Red Flag
Warning, which is in effect from 11 AM to 7 PM MDT Thursday. The 
Fire Weather Watch is no longer in effect.

* Affected Area...Fire Weather Zones 220...222...224...225... 
  228...229...230...232 and 233.

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

* Relative Humidity...As low as 13 percent.

* Temperatures...In the 60s to lower 70s.

* Haines...5.

* 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.

&&

$$

Hodanish
4 follow-up statements
522 
WWUS85 KPUB 190221
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
821 PM MDT Wed Apr 18 2018

...A RED FLAG WARNING has been issued for 11 AM through 7 PM Thursday
for gusty winds, low relative humidity values, high Haines 
indices and dry fuels for fire weather zones 220 through 222, 224
through 233 and 235, which includes the San Luis Valley, the 
lower elevations of the Sangre de Cristo, Wet Mountains, Pikes 
Peak and the Rampart Range, and Lake, Chaffee, Fremont, El Paso, Pueblo,
Crowley, Huerfano, Las Animas, Bent and Otero Counties...

COZ221-226-227-231-235-191830-
/O.EXA.KPUB.FW.W.0029.180419T1700Z-180420T0100Z/
Teller County/Rampart Range Including Pikes Peak and Florissant
Fossil Beds National Monument-
Northern El Paso County Including Monument and Black Forest-
Southern El Paso County Including Fort Carson and Colorado
Springs-Crowley County Including Ordway-
Bent County Including Las Animas-
821 PM MDT Wed Apr 18 2018

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM MDT THURSDAY FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH HAINES INDICES FOR
FIRE WEATHER ZONES 221...226...227...231 AND 235...

The National Weather Service in Pueblo has issued a Red Flag
Warning for gusty winds, low relative humidity, and high haines
indices, which is in effect from 11 AM to 7 PM MDT Thursday.

* Affected Area...Fire Weather Zones 221...226...227...231 and 
  235.

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

* Relative Humidity...As low as 13 percent.

* Haines...5.

* 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.

&&

$$

COZ220-222-224-225-228>230-232-233-191830-
/O.CON.KPUB.FW.W.0029.180419T1700Z-180420T0100Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-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-Pueblo County Including Pueblo-
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Otero County Including La Junta and Western Comanche Grasslands-
Eastern Las Animas County Including Pinon Canyon-
821 PM MDT Wed Apr 18 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 7 PM MDT
THURSDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH HAINES
INDICES FOR FIRE WEATHER ZONES 220...222...224...225...228...
229...230...232 AND 233...

* Affected Area...Fire Weather Zones 220...222...224...225... 
  228...229...230...232 and 233.

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

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

* Haines...5.

* 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.

&&

$$
629 
WWUS85 KPUB 190952
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
352 AM MDT Thu Apr 19 2018

...A RED FLAG WARNING has been issued for 11 AM through 8 PM 
today for gusty winds, low relative humidity values, high Haines 
indices and dry fuels for fire weather zones 220 through 222, 224 
through 233 and 235, which includes the San Luis Valley, the lower
elevations of the Sangre de Cristo, Wet Mountains, Pikes Peak and
the Rampart Range, and Lake, Chaffee, Fremont, El Paso, Pueblo, 
Crowley, Huerfano, Las Animas, Bent and Otero Counties...

COZ220>222-224>233-235-200200-
/O.EXT.KPUB.FW.W.0029.180419T1700Z-180420T0200Z/
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-
Bent County Including Las Animas-
352 AM MDT Thu Apr 19 2018

...RED FLAG WARNING NOW IN EFFECT FROM 11 AM THIS MORNING TO 8 PM
MDT THIS EVENING FOR GUSTY WINDS, LOW HUMIDITY, HIGH HAINES
INDICES AND DRY FUELS FOR FIRE WEATHER ZONES 
220...221...222...224...225...226...227...228...229...230... 
231...232...233 AND 235...

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

* Winds...South 25 to 35 mph with gusts of 45 to 50 mph.

* Relative Humidity...As low as 9 percent.

* Haines...5.

* 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.

&&

$$
309 
WWUS85 KPUB 192047
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
247 PM MDT Thu Apr 19 2018

...A RED FLAG WARNING is in affect through 8 PM for gusty winds, 
low relative humidity values, high Haines indices and dry fuels 
for fire weather zones 220 through 222, 224 through 233 and 235, 
which includes the San Luis Valley, the lower elevations of the 
Sangre de Cristo, Wet Mountains, Pikes Peak and the Rampart Range,
and Lake, Chaffee, Fremont, El Paso, Pueblo, Crowley, Huerfano, 
Las Animas, Bent and Otero Counties...

COZ220>222-224>233-235-200200-
/O.CON.KPUB.FW.W.0029.000000T0000Z-180420T0200Z/
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-
Bent County Including Las Animas-
247 PM MDT Thu Apr 19 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR FIRE WEATHER ZONES 220...221...222...224...225...226...227...
228...229...230...231...232...233 AND 235...

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

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

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

* Haines...5.

* 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.

&&

$$

Hodanish
869 
WWUS85 KPUB 200159
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
759 PM MDT Thu Apr 19 2018

...Red Flag Warning for most of south central and southeast
Colorado has expired...

COZ220>222-224>233-235-200300-
/O.EXP.KPUB.FW.W.0029.000000T0000Z-180420T0200Z/
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-
Bent County Including Las Animas-
759 PM MDT Thu Apr 19 2018

...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY
WINDS AND LOW HUMIDITIES FOR FIRE WEATHER ZONES 220...221...222...
224...225...226...227...228...229...230...231...232...233 AND 
235...

Breezy southerly winds will continue to bring increasing moisture 
to the southern Colorado tonight with humidity values expected to
remain above 15 percent for the remainder of the night. Therefore
the Red Flag Warning will be allowed to expire at 8 PM. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 18, 3:49 AM MDTFire Weather WatchPUBAlamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 7 more11 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.