Alert archive / Colorado / Red Flag Warnings in 2017

Red Flag Warning 30, NWS Pueblo, CO

September 21, 20176 counties in Colorado

NWS Pueblo, CO issued this red flag warning at Sep 21, 2017, 9:50 PM MDT for 6 counties in Colorado. It took effect at Sep 22, 2017, 11:00 AM 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
Sep 21, 2017, 9:50 PM MDT (03:50 UTC)
In effect from
Sep 22, 2017, 11:00 AM MDT
Expired
Sep 22, 2017, 7:00 PM MDT
In force
8 hr
Issued by
NWS Pueblo, CO

Counties Crowley County, CO, El Paso County, CO, Huerfano County, CO, Las Animas County, CO, Otero County, CO, Pueblo County, CO

The nearest sounding before it

Denver, CO (KDEN), launched 00:00Z, 3.8 hours before the alert went out and 222 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 2017-09-22Temperature 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 2017-09-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 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
4339 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

173 
WWUS85 KPUB 220350
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
950 PM MDT Thu Sep 21 2017

...A Red Flag Warning has been issued from 11 AM until 7 PM
MDT Friday for gusty winds, low humidities and dry fuels for fire
weather zones 227 through 232, which includes the southern I-25 
corridor and the adjacent plains of Crowley and Otero counties...

COZ227>232-222000-
/O.NEW.KPUB.FW.W.0030.170922T1700Z-170923T0100Z/
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-
950 PM MDT Thu Sep 21 2017

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM MDT FRIDAY FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
227...228...229...230...231 AND 232...

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 7 PM MDT Friday.

* Affected Area...Fire Weather Zones 227...228...229...230... 
  231 and 232.

* Winds...south 15 to 30 mph with gusts up to 40 mph.

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

* Impacts...Conditions will be favorable for rapid 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.

&&

$$
3 follow-up statements
704 
WWUS85 KPUB 221032
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
432 AM MDT Fri Sep 22 2017

...A Red Flag Warning is in effect from 11 AM until 7 PM MDT 
today for gusty winds, low humidities and dry fuels for fire 
weather zones 227 through 232, which includes the southern I-25 
corridor and the adjacent plains of Crowley and Otero counties...

COZ227>232-230100-
/O.CON.KPUB.FW.W.0030.170922T1700Z-170923T0100Z/
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-
432 AM MDT Fri Sep 22 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
7 PM MDT THIS EVENING FOR FIRE WEATHER ZONES
227...228...229...230...231 AND 232...

* Affected Area...Fire Weather Zones 227...228...229...230... 
  231 and 232.

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

* Relative Humidity...as low as 14 percent.

* Impacts...Conditions will be favorable for rapid 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.

&&

$$
041 
WWUS85 KPUB 222100
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
300 PM MDT Fri Sep 22 2017

...A Red Flag Warning is in effect from until 7 PM MDT for gusty 
winds, low humidities and dry fuels for fire weather zones 227 
through 232, which includes the southern I- 25 corridor and the 
adjacent plains of Crowley and Otero counties...

COZ227>232-230100-
/O.CON.KPUB.FW.W.0030.000000T0000Z-170923T0100Z/
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-
300 PM MDT Fri Sep 22 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR FIRE WEATHER ZONES 227...228... 229...230...231 AND 232...

* Affected Area...Fire Weather Zones 227...228...229...230... 
  231 and 232.

* 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 rapid 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
854 
WWUS85 KPUB 230059
RFWPUB

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
659 PM MDT Fri Sep 22 2017

...The Red Flag Warning will expire at 7 PM for fire weather 
zones 227 through 232 which includes the southern I-25 corridor 
and the adjacent plains of Crowley and Otero counties...

COZ227>232-230200-
/O.EXP.KPUB.FW.W.0030.000000T0000Z-170923T0100Z/
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-
659 PM MDT Fri Sep 22 2017

...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING FOR GUSTY
WINDS AND LOW HUMIDITIES FOR FIRE WEATHER ZONES 
227...228...229... 230...231 AND 232...

HUMIDITY VALUES WILL CONTINUE TO CLIMB ABOVE CRITICAL THRESHOLDS
AND WINDS WILL GRADUALLY DECREASE ACROSS THE AREA THROUGH THE 
EVENING. THEREFORE THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE
AT 7 PM.  


$$

Nearby

Red Flag Warnings in Colorado, 2017Every red flag warning in 2017

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.