Alert archive / Colorado / Red Flag Warnings in 2018

Red Flag Warning 45, NWS Pueblo, CO

May 31, 201815 counties in Colorado

NWS Pueblo, CO issued this red flag warning at May 31, 2018, 3:45 AM MDT for 15 counties in Colorado. It took effect at Jun 1, 2018, 10:00 AM MDT. It was in force for 11 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 31, 2018, 3:45 AM MDT (09:45 UTC)
In effect from
Jun 1, 2018, 10:00 AM MDT
Expired
Jun 1, 2018, 9:00 PM MDT
In force
11 hr
Issued by
NWS Pueblo, CO

Counties Alamosa County, CO, Chaffee County, CO, Conejos County, CO, Costilla County, CO, Custer County, CO, El Paso County, CO, Fremont County, CO, Huerfano County, CO, Lake County, CO, Las Animas County, CO, Mineral County, CO, Pueblo County, CO, Rio Grande County, CO, Saguache County, CO, Teller County, CO

The radar

The Pueblo radar (KPUX), 129 km from the middle of the area, began a volume at 09:44 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, 9.8 hours before the alert went out and 281 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 2018-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 75 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 2018-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
75 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
3021 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

901 
WWUS85 KPUB 310945
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
345 AM MDT Thu May 31 2018

...A Red Flag Warning remains in effect from Noon to 9 PM MDT 
today for gusty winds, low relative humidity values and dry fuels
for fire weather zones 220, 223 through 225 and 230, which 
includes the Eastern San Juan and La Garita Mountains, Chaffee and
Lake Counties, the San Luis Valley, the Wet Mountains and Wet 
Mountain Valley, the Sangre De Cristo Mountains, and western Las 
Animas county...

...A Red Flag Warning has been issued from 10 AM until 9 PM MDT Friday
for gusty winds, low relative humidity values and dry fuels for 
fire weather zones 220 through 230, which includes the Eastern San
Juan and La Garita Mountains, Chaffee and Lake Counties, the San 
Luis Valley, the Wet Mountains and Wet Mountain Valley, the Sangre
De Cristo Mountains, and Fremont, Teller, El Paso, Pueblo, 
Huerfano and western Las Animas counties...

COZ220-223>225-230-010145-
/O.UPG.KPUB.FW.A.0036.180601T1600Z-180602T0300Z/
/O.NEW.KPUB.FW.W.0045.180601T1600Z-180602T0300Z/
/O.CON.KPUB.FW.W.0044.180531T1800Z-180601T0300Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-
Eastern San Juan Mountains and La Garita Mountains Including Wolf
Creek Pass and Creede-
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-
Western Las Animas County Including Trinidad and Thatcher-
345 AM MDT Thu May 31 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 220...223...224...225 AND 230...
...RED FLAG WARNING IN EFFECT FROM 10 AM TO 9 PM MDT FRIDAY FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
220...223...224...225 AND 230...

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

* Affected Area...Fire Weather Zones 220...223...224...225 and 
  230.

* Winds...Southwest 15 to 25 mph with gusts up to 35 mph with the
  strongest winds expected on Friday.

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

* Impacts...Conditions will be favorable for the rapid growth and
  spread of fires today and Friday.

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.

&&

$$

COZ221-222-226>229-010145-
/O.UPG.KPUB.FW.A.0036.180601T1600Z-180602T0300Z/
/O.NEW.KPUB.FW.W.0045.180601T1600Z-180602T0300Z/
Teller County/Rampart Range Including Pikes Peak and Florissant
Fossil Beds National Monument-
Fremont County Including Canon City/Howard/Texas Creek-
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-
345 AM MDT Thu May 31 2018

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 9 PM MDT FRIDAY FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
221...222...226...227...228 AND 229...

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

* Affected Area...Fire Weather Zones 221...222...226...227... 
  228 and 229.

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

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

* Impacts...Conditions will be favorable for the rapid growth and
  spread of fires on Friday.

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
907 
WWUS85 KPUB 312100
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
300 PM MDT Thu May 31 2018

...A Red Flag Warning remains in effect until 9 PM MDT today for 
gusty winds, low relative humidity values and dry fuels for fire 
weather zones 220, 223 through 225 and 230, which includes the 
Eastern San Juan and La Garita Mountains, Chaffee and Lake 
Counties, the San Luis Valley, the Wet Mountains and Wet Mountain 
Valley, the Sangre De Cristo Mountains, and western Las Animas 
county...

...A Red Flag Warning remains in effect from 10 AM until 9 PM MDT
Friday for gusty winds, low relative humidity values and dry 
fuels for fire weather zones 220 through 230, which includes the 
Eastern San Juan and La Garita Mountains, Chaffee and Lake 
Counties, the San Luis Valley, the Wet Mountains and Wet Mountain 
Valley, the Sangre De Cristo Mountains, and Fremont, Teller, El 
Paso, Pueblo, Huerfano and western Las Animas counties...

COZ220-223>225-230-011300-
/O.CON.KPUB.FW.W.0044.000000T0000Z-180601T0300Z/
/O.CON.KPUB.FW.W.0045.180601T1600Z-180602T0300Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-
Eastern San Juan Mountains and La Garita Mountains Including Wolf
Creek Pass and Creede-
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-
Western Las Animas County Including Trinidad and Thatcher-
300 PM MDT Thu May 31 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...223...224...225 AND 230...

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 9 PM MDT
FRIDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 220...223...224...225 AND 230...

* Affected Area...Fire Weather Zones 220...223...224...225 and 
  230.

* Winds...Today, southwest 15 to 25 mph with gusts to 35 mph.
  Friday, southwest 20 to 30 mph with gusts up to 45 mph.

* Relative Humidity...5 to 10 percent.

* Impacts...Conditions will be favorable for the rapid growth 
  and spread of fires today and Friday.

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.

&&

$$

COZ221-222-226>229-011300-
/O.CON.KPUB.FW.W.0045.180601T1600Z-180602T0300Z/
Teller County/Rampart Range Including Pikes Peak and Florissant
Fossil Beds National Monument-
Fremont County Including Canon City/Howard/Texas Creek-
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-
300 PM MDT Thu May 31 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 9 PM MDT
FRIDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 221...222...226...227...228 AND 229...

* Affected Area...Fire Weather Zones 221...222...226...227... 
  228 and 229.

* Winds...Southwest 20 to 30 mph with gusts up to 40 mph.

* Relative Humidity...3 to 8 percent.

* Impacts...Conditions will be favorable for the rapid growth 
  and spread of fires on Friday.

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.

&&

$$
572 
WWUS85 KPUB 010314
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
914 PM MDT Thu May 31 2018

...A Red Flag Warning remains in effect from 10 AM until 9 PM MDT
Friday for gusty winds, low relative humidity values and dry
fuels for fire weather zones 220 through 230, which includes the
Eastern San Juan and La Garita Mountains, Chaffee and Lake
Counties, the San Luis Valley, the Wet Mountains and Wet Mountain
Valley, the Sangre De Cristo Mountains, and Fremont, Teller, El
Paso, Pueblo, Huerfano and western Las Animas counties...

...The Red Flag Warning that was in effect for today until 9 PM 
MDT has been allowed to expire...

COZ220-223>225-230-011915-
/O.EXP.KPUB.FW.W.0044.000000T0000Z-180601T0300Z/
/O.CON.KPUB.FW.W.0045.180601T1600Z-180602T0300Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-
Eastern San Juan Mountains and La Garita Mountains Including Wolf
Creek Pass and Creede-
San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache-
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-
Western Las Animas County Including Trinidad and Thatcher-
914 PM MDT Thu May 31 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 9 PM MDT
FRIDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH HAINES
INDICES FOR FIRE WEATHER ZONES 220...223...224...225 AND 230...
...RED FLAG WARNING THAT WAS IN EFFECT FOR TODAY HAS EXPIRED FOR 
GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH HAINES INDICES FOR 
FIRE WEATHER ZONES 220... 223...224...225 AND 230...

* Affected Area...Fire Weather Zones 220...223...224...225 and 
  230.

* Winds...Southwest 15 to 25 mph with gusts up to 40 mph.

* Relative Humidity...As low as 4 percent.

* Haines Index...6.

* Impacts...Conditions will be favorable for the rapid growth 
  and spread of fires today and Friday.

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.

&&

$$

COZ221-222-226>229-011915-
/O.CON.KPUB.FW.W.0045.180601T1600Z-180602T0300Z/
Teller County/Rampart Range Including Pikes Peak and Florissant
Fossil Beds National Monument-
Fremont County Including Canon City/Howard/Texas Creek-
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-
914 PM MDT Thu May 31 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 9 PM MDT
FRIDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH HAINES
INDICES FOR FIRE WEATHER ZONES 221...222...226...227...228 AND
229...

* Affected Area...Fire Weather Zones 221...222...226...227... 
  228 and 229.

* Winds...Southwest 15 to 25 mph with gusts up to 40 mph.

* Relative Humidity...As low as 4 percent.

* Haines Index...6.

* Impacts...Conditions will be favorable for the rapid growth 
  and spread of fires on Friday.

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.

&&

$$
387 
WWUS85 KPUB 011006
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
406 AM MDT Fri Jun 1 2018

...A Red Flag Warning remains in effect from 10 AM MDT until 9 PM
MDT today for gusty winds, low relative humidity values and dry 
fuels for fire weather zones 220 through 230, which includes the 
eastern San Juan and La Garita mountains, Chaffee and Lake 
counties, the San Luis Valley, the Wet mountains and Wet mountain
valley, the Sangre De Cristo mountains as well as Fremont, Teller,
El Paso, Pueblo, Huerfano and western Las Animas counties...

COZ220>230-020215-
/O.CON.KPUB.FW.W.0045.180601T1600Z-180602T0300Z/
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-
Eastern San Juan Mountains and La Garita Mountains Including Wolf
Creek Pass and Creede-
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-
406 AM MDT Fri Jun 1 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM MDT THIS MORNING
TO 9 PM MDT THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, 
AND HIGH HAINES INDICES FOR FIRE WEATHER ZONES 220...221...222...
223...224...225...226...227...228...229 AND 230...

* Affected Area...Fire Weather Zones 220...221...222...223... 
  224...225...226...227...228...229 and 230.

* Winds...Southwest 15 to 25 mph with wind gusts around 40 mph.

* Relative Humidity...As low as 4 percent.

* Haines Index...6.

* Impacts...Conditions will be favorable for the rapid growth and
  spread of fires today.

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.

&&

$$
019 
WWUS85 KPUB 020313
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
913 PM MDT Fri Jun 1 2018

...The Red Flag Warning that was in effect today was allowed to
expire at 9 PM MDT...

COZ220>230-020415-
/O.EXP.KPUB.FW.W.0045.000000T0000Z-180602T0300Z/
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-
Eastern San Juan Mountains and La Garita Mountains Including Wolf
Creek Pass and Creede-
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-
913 PM MDT Fri Jun 1 2018

...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS, LOW RELATIVE
HUMIDITY, AND HIGH HAINES INDICES FOR FIRE WEATHER ZONES 220...
221...222...223...224...225...226...227...228...229 AND 230...

With wind speeds decreasing and relative humidities increasing 
out of Red Flag critiera, the warning was allowed to expire at 9 
PM MDT.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 6:15 PM MDTSpecial Weather StatementPUBBaca30 min

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.