Alert archive / Colorado / Red Flag Warnings in 2018

Red Flag Warning 36, NWS Pueblo, CO

May 11, 20188 counties in Colorado

NWS Pueblo, CO issued this red flag warning at May 11, 2018, 3:08 PM MDT for 8 counties in Colorado. It took effect at May 12, 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
May 11, 2018, 3:08 PM MDT (21:08 UTC)
In effect from
May 12, 2018, 11:00 AM MDT
Expired
May 12, 2018, 9:00 PM MDT
In force
10 hr
Issued by
NWS Pueblo, CO

Counties Chaffee County, CO, Costilla County, CO, Custer County, CO, Huerfano County, CO, Lake County, CO, Las Animas County, CO, Pueblo County, CO, Saguache County, CO

The radar

The Pueblo radar (KPUX), 114 km from the middle of the area, began a volume at 21:07 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

Denver, CO (KDEN), launched 12:00Z, 9.1 hours before the alert went out and 273 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 2018-05-11Temperature 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 2018-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -91 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
1147 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-91 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

070 
WWUS85 KPUB 112108
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
308 PM MDT Fri May 11 2018

...Red Flag Warning remains in effect from 11 AM to 9 PM today
for gusty winds, low humidity, and dry fuels for fire weather
zones 220, 221, 222, 225 through 233, 235, and 237 which includes
Lake, Chaffee, Fremont and Teller counties, the lower elevations
of the Sangre de Cristo and Wet mountains, the I-25 corridor and
most of the southeast plains...

...Red Flag warning is in effect from late Saturday morning 
through Saturday evening for gusty winds, low humidity, and dry 
fuels for fire weather zones 225, 229, 230 and 233, which includes
the lower elevations of the Sangre de Cristo and Wet mountains, 
Huerfano and Las Animas counties...

COZ225-229-230-233-121315-
/O.UPG.KPUB.FW.A.0028.180512T1700Z-180513T0300Z/
/O.NEW.KPUB.FW.W.0036.180512T1700Z-180513T0300Z/
/O.CON.KPUB.FW.W.0035.000000T0000Z-180512T0300Z/
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Eastern Las Animas County Including Pinon Canyon-
308 PM MDT Fri May 11 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR FIRE WEATHER ZONES 225...229... 230 AND 233... 

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM MDT SATURDAY FOR
FIRE WEATHER ZONES 225...229... 230 AND 233...

* Affected Area...Fire Weather Zones 225...229...230 and 233.

* Winds...Southwest 15 to 25 mph with gusts up to 45 mph.

* Timing...through 9 pm this evening, and again from 11 am through
  9 pm tomorrow.

* Relative Humidity...As low as 8 percent.

* Temperatures...In the upper 60s.

* Lightning...

* 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>222-226>228-231-232-235-237-120300-
/O.CON.KPUB.FW.W.0035.000000T0000Z-180512T0300Z/
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-
Northern El Paso County Including Monument and Black Forest-
Southern El Paso County Including Fort Carson and Colorado
Springs-Pueblo County Including Pueblo-
Crowley County Including Ordway-
Otero County Including La Junta and Western Comanche Grasslands-
Bent County Including Las Animas-
Baca County Including Springfield and Eastern Comanche Grasslands-
308 PM MDT Fri May 11 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR FIRE WEATHER ZONES 220...221...222...226...227...228...231...
232...235
AND 237...

* Affected Area...Fire Weather Zones 220...221...222...226... 
  227...228...231...232...235 and 237.

* Winds...Southwest 10 to 20 mph with gusts up to 35 mph.

* Relative Humidity...As low as 9 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 humidity, and dry fuels may lead to extreme
fire behavior.

&&

$$

Hodanish
5 follow-up statements
863 
WWUS85 KPUB 120253
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
853 PM MDT Fri May 11 2018

...Red Flag warning is in effect from 11 AM to 9 PM Saturday for 
gusty winds, low humidity, and dry fuels for fire weather zones 
225, 229, 230 and 233, which includes the lower elevations of the 
Sangre de Cristo and Wet mountains, Huerfano and Las Animas 
counties...

COZ225-229-230-233-121900-
/O.EXP.KPUB.FW.W.0035.000000T0000Z-180512T0300Z/
/O.CON.KPUB.FW.W.0036.180512T1700Z-180513T0300Z/
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Eastern Las Animas County Including Pinon Canyon-
853 PM MDT Fri May 11 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM MDT
SATURDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 225...229...230 AND 233...
...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
225...229...230 AND 233...

* Affected Area...Fire Weather Zones 225...229...230 and 233.

* Winds...Southwest 10 to 20 mph with gusts up to 35 mph.

* Timing...through 9 pm this evening, and again from 11 am 
  through 9 pm tomorrow.

* Relative Humidity...As low as 7 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.

&&

$$

COZ220>222-226>228-231-232-235-237-120400-
/O.EXP.KPUB.FW.W.0035.000000T0000Z-180512T0300Z/
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-
Northern El Paso County Including Monument and Black Forest-
Southern El Paso County Including Fort Carson and Colorado
Springs-Pueblo County Including Pueblo-
Crowley County Including Ordway-
Otero County Including La Junta and Western Comanche Grasslands-
Bent County Including Las Animas-
Baca County Including Springfield and Eastern Comanche Grasslands-
853 PM MDT Fri May 11 2018

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
220...221...222...226...227...228...231...232...235 AND 237...

Winds have decreased and relative humidity values have
increased above critical thresholds, therefore the Red Flag 
Warning will expire at 9 PM.

$$
922 
WWUS85 KPUB 120950
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
350 AM MDT Sat May 12 2018

...Red Flag warning is in effect from 11 AM to 9 PM today for 
gusty winds, low humidity, and dry fuels for fire weather zones 
220, 225, 229, 230 and 233, which includes the lower elevations 
of the Sangre de Cristo and Wet mountains, Lake, Chaffee, Huerfano
and Las Animas counties...

...A Fire Weather Watch is in effect from late Sunday morning
through Sunday evening for gusty winds, low humidity, and dry
fuels for fire weather zones, 229, 230 and 233 which includes
eastern Huerfano and most of Las Animas counties...

COZ220-130200-
/O.EXA.KPUB.FW.W.0036.180512T1700Z-180513T0300Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-
350 AM MDT Sat May 12 2018

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM MDT TODAY FOR 
GUSTY WINDS, LOW RELATIVE HUMIDITY AND DRY FUELS, FOR FIRE WEATHER
ZONE 220...

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 until 9 PM MDT today.

* Affected Area...Fire Weather Zone 220.

* Winds...South 15 to 25 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 warm temperatures can
contribute to extreme fire behavior.

&&

$$

COZ229-230-233-130200-
/O.NEW.KPUB.FW.A.0029.180513T1700Z-180514T0300Z/
/O.CON.KPUB.FW.W.0036.180512T1700Z-180513T0300Z/
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Eastern Las Animas County Including Pinon Canyon-
350 AM MDT Sat May 12 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM MDT TODAY 
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND DRY FUELS, FOR FIRE 
WEATHER ZONES 229...230 AND 233...

...FIRE WEATHER WATCH IN EFFECT FROM LATE SUNDAY MORNING THROUGH
SUNDAY EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND DRY
FUELS, FOR FIRE WEATHER ZONES 229...230 AND 233...

A Red Flag Warning remains in effect from 11 AM until 9 PM today,
and a Fire Weather Watch has been issued for late Sunday morning
through Sunday evening. The Warning and Watch are in effect due to
expected gusty winds, low relative humidity and dry fuels.

* Affected Area...Fire Weather Zones 229...230 and 233.

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

* Relative Humidity...As low as 8 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.

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

&&

$$

COZ225-130200-
/O.CON.KPUB.FW.W.0036.180512T1700Z-180513T0300Z/
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-
350 AM MDT Sat May 12 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM MDT TODAY 
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND DRY FUELS, FOR FIRE 
WEATHER ZONE 225...

* Affected Area...Fire Weather Zone 225.

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

* Relative Humidity...As low as 11 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.

&&

$$
685 
WWUS85 KPUB 120953
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
353 AM MDT Sat May 12 2018

...Red Flag warning is in effect from 11 AM to 9 PM today for
gusty winds, low humidity, and dry fuels for fire weather zones
220, 225, 229, 230 and 233, which includes the lower elevations
of the Sangre de Cristo and Wet mountains, Lake, Chaffee,
Huerfano and Las Animas counties...

...A Fire Weather Watch is in effect from late Sunday morning
through Sunday evening for gusty winds, low humidity, and dry
fuels for fire weather zones, 229, 230 and 233 which includes
eastern Huerfano and most of Las Animas counties...

COZ229-230-233-130200-
/O.CON.KPUB.FW.W.0036.180512T1700Z-180513T0300Z/
/O.CON.KPUB.FW.A.0029.180513T1700Z-180514T0300Z/
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Eastern Las Animas County Including Pinon Canyon-
353 AM MDT Sat May 12 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM MDT TODAY 
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND DRY FUELS, FOR FIRE 
WEATHER ZONES 229...230 AND 233...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM LATE SUNDAY MORNING
THROUGH SUNDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY
FOR FIRE WEATHER ZONES 229...230 AND 233...

* Affected Area...Fire Weather Zones 229...230 and 233.

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

* Relative Humidity...As low as 8 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.

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

&&

$$

COZ220-225-130200-
/O.CON.KPUB.FW.W.0036.180512T1700Z-180513T0300Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-
353 AM MDT Sat May 12 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM MDT TODAY 
FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND DRY FUELS, FOR FIRE 
WEATHER ZONES 220 AND 225...

* Affected Area...Fire Weather Zones 220 and 225.

* Winds...South 15 to 25 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 warm temperatures can
contribute to extreme fire behavior.

&&

$$
049 
WWUS85 KPUB 122059
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
259 PM MDT Sat May 12 2018

...Red Flag warning is in effect from 11 AM to 9 PM today for
gusty winds, low humidity, and dry fuels for fire weather zones
220, 225, 229, 230 and 233, which includes the lower elevations
of the Sangre de Cristo and Wet mountains, Lake, Chaffee,
Huerfano and Las Animas counties...

...A Red Flag warning is in effect from late Sunday morning 
through Sunday evening for gusty winds, low humidity, and dry 
fuels for fire weather zones, 229, 230 and 233 which includes 
eastern Huerfano and most of Las Animas counties...

COZ229-230-233-131300-
/O.UPG.KPUB.FW.A.0029.180513T1700Z-180514T0300Z/
/O.NEW.KPUB.FW.W.0037.180513T1700Z-180514T0300Z/
/O.CON.KPUB.FW.W.0036.000000T0000Z-180513T0300Z/
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Eastern Las Animas County Including Pinon Canyon-
259 PM MDT Sat May 12 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR FIRE WEATHER ZONES 229...230 AND 233... 

...RED FLAG WARNING  EFFECT FROM 11 AM TO 9 PM MDT SUNDAY FOR FOR
FIRE WEATHER ZONES 229...230 AND 233...

* Affected Area...Fire Weather Zones 229...230 and 233.

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

* Relative Humidity...As low as 7 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.

&&

$$

COZ220-225-130300-
/O.CON.KPUB.FW.W.0036.000000T0000Z-180513T0300Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-
259 PM MDT Sat May 12 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR FIRE WEATHER ZONES 220 AND 225...

* Affected Area...Fire Weather Zones 220 and 225.

* Winds...South 10 to 20 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 warm temperatures can
contribute to extreme fire behavior.

&&

$$

Hodanish
982 
WWUS85 KPUB 130241
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
841 PM MDT Sat May 12 2018

...A Red Flag warning is in effect from 11 AM to 9 PM Sunday 
for gusty winds, low humidity, and dry fuels for fire weather 
zones, 229, 230 and 233 which includes eastern Huerfano and most 
of Las Animas counties...

COZ229-230-233-131845-
/O.EXP.KPUB.FW.W.0036.000000T0000Z-180513T0300Z/
/O.CON.KPUB.FW.W.0037.180513T1700Z-180514T0300Z/
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
Eastern Las Animas County Including Pinon Canyon-
841 PM MDT Sat May 12 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM MDT
SUNDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 229...230 AND 233...
...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
229...230 AND 233...

* Affected Area...Fire Weather Zones 229...230 and 233.

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

* Timing...through 9 pm this evening, and again from 11 am 
  through 9 pm tomorrow.

* Relative Humidity...As low as 6 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.

&&

$$

COZ220-225-130345-
/O.EXP.KPUB.FW.W.0036.000000T0000Z-180513T0300Z/
Upper Arkansas River Valley Including Lake County and Chaffee
County-
Southern Front Range Including Sangre De Cristo Mountains/Wet
Mountains/La Veta Pass-
841 PM MDT Sat May 12 2018

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
220 AND 225...

Winds have decreased and relative humidity values have increased
above critical thresholds, therefore the Red Flag Warning will
expire at 9 PM.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 3:51 AM MDTFire Weather WatchPUBCostilla, Custer, Huerfano, Las Animas, Pueblo, Saguache11 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.