Alert archive / Colorado / Red Flag Warnings in 2014

Red Flag Warning 4, NWS Denver/Boulder, CO

April 22, 2014Elbert County, Lincoln County, Colorado

NWS Denver/Boulder, CO issued this red flag warning at Apr 22, 2014, 4:21 PM MDT for Elbert County, Lincoln County, Colorado. It took effect at Apr 23, 2014, 12:00 PM MDT. It was in force for 7 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 22, 2014, 4:21 PM MDT (22:21 UTC)
In effect from: Apr 23, 2014, 12:00 PM MDT
Expired: Apr 23, 2014, 7:12 PM MDT
In force: 7 hr
Issued by: NWS Denver/Boulder, CO

Counties Elbert County, CO, Lincoln County, CO

The radar

The Pueblo radar (KPUX), 81 km from the middle of the area, began a volume at 22:21 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, 10.4 hours before the alert went out and 96 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2670 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 111 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

001 
WWUS85 KBOU 222221
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
421 PM MDT TUE APR 22 2014


COZ247-230630-
/O.NEW.KBOU.FW.W.0004.140423T1800Z-140424T0200Z/
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
421 PM MDT TUE APR 22 2014

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT WEDNESDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR SOUTHERN LINCOLN COUNTY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM NOON TO 8 PM MDT WEDNESDAY.

* AFFECTED AREA...FIRE WEATHER ZONE 247.

* TIMING...

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...AS LOW AS 12 PERCENT.

* IMPACTS...THE GUSTY WINDS WILL COMBINE WITH LOW RELATIVE
  HUMIDITY TO CREATE CRITICAL FIRE WEATHER CONDITIONS ACROSS
  SOUTHERN LINCOLN COUNTY WEDNESDAY AFTERNOON AND EARLY EVENING.
  ANY FIRES THAT OCCUR HAVE THE POTENTIAL TO QUICKLY SPREAD DUE
  TO THE GUSTY WINDS.

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

990 
WWUS85 KBOU 230405
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1005 PM MDT TUE APR 22 2014


COZ247-231215-
/O.CON.KBOU.FW.W.0004.140423T1800Z-140424T0200Z/
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
1005 PM MDT TUE APR 22 2014

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 8 PM MDT
WEDNESDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHERN LINCOLN
COUNTY...

* AFFECTED AREA...FIRE WEATHER ZONE 247.

* TIMING..GUSTY WESTERLY WINDS WILL DEVELOP...STRONGEST IN THE
  AFTERNOON AND EARLY EVENING.  

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...AS LOW AS 15 PERCENT.

* IMPACTS...THE GUSTY WINDS WILL COMBINE WITH LOW RELATIVE 
  HUMIDITY TO CREATE CRITICAL FIRE WEATHER CONDITIONS ACROSS 
  SOUTHERN LINCOLN COUNTY WEDNESDAY AFTERNOON AND EARLY EVENING. 
  ANY FIRES THAT OCCUR HAVE THE POTENTIAL TO QUICKLY SPREAD DUE 
  TO THE GUSTY WINDS. 

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.

&&

$$

241 
WWUS85 KBOU 231008
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
408 AM MDT WED APR 23 2014

COZ247-231900-
/O.CON.KBOU.FW.W.0004.140423T1800Z-140424T0200Z/
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
408 AM MDT WED APR 23 2014

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHERN
LINCOLN COUNTY...

* AFFECTED AREA...FIRE WEATHER ZONE 247.

* TIMING..GUSTY WESTERLY WINDS WILL DEVELOP...STRONGEST IN THE 
  AFTERNOON AND EARLY EVENING. 

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...12-17 PERCENT.

* IMPACTS...THE GUSTY WINDS WILL COMBINE WITH LOW RELATIVE 
  HUMIDITY TO CREATE CRITICAL FIRE WEATHER CONDITIONS ACROSS 
  SOUTHERN LINCOLN COUNTY WEDNESDAY AFTERNOON AND EARLY EVENING. 
  ANY FIRES THAT OCCUR HAVE THE POTENTIAL TO QUICKLY SPREAD DUE 
  TO THE GUSTY WINDS. 

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.

&&

$$

222 
WWUS85 KBOU 231828
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1228 PM MDT WED APR 23 2014


COZ247-240200-
/O.CON.KBOU.FW.W.0004.000000T0000Z-140424T0200Z/
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
1228 PM MDT WED APR 23 2014

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHERN LINCOLN COUNTY...

* AFFECTED AREA...FIRE WEATHER ZONE 247.

* TIMING..GUSTY WESTERLY WINDS WILL CONTINUE TO DEVELOP DURING THE
  AFTERNOON...AND WILL BE STRONGEST LATE AFTERNOON AND EARLY
  EVENING.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...12-16 PERCENT.

* IMPACTS...THE GUSTY WINDS WILL COMBINE WITH LOW RELATIVE
  HUMIDITY TO CREATE CRITICAL FIRE WEATHER CONDITIONS ACROSS
  SOUTHERN LINCOLN COUNTY THIS AFTERNOON AND EARLY EVENING. ANY
  FIRES THAT OCCUR HAVE THE POTENTIAL TO QUICKLY SPREAD DUE TO THE
  GUSTY WINDS.

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.

&&

$$

984 
WWUS85 KBOU 240112
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
712 PM MDT WED APR 23 2014


COZ247-240215-
/O.CAN.KBOU.FW.W.0004.000000T0000Z-140424T0200Z/
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
712 PM MDT WED APR 23 2014

...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE
HUMIDITY FOR SOUTHERN LINCOLN COUNTY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE RED FLAG
WARNING.



$$

Nearby

Red Flag Warnings in Colorado, 2014 Every red flag warning in 2014

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.