Alert archive / Colorado / Red Flag Warnings in 2011

Red Flag Warning 7, NWS Denver/Boulder, CO

March 21, 201119 counties in Colorado

NWS Denver/Boulder, CO issued this red flag warning at Mar 21, 2011, 2:45 PM MDT for 19 counties in Colorado. It took effect at Mar 21, 2011, 10:11 PM MDT. It was in force for 24 hr. 17 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 21, 2011, 2:45 PM MDT (20:45 UTC)
In effect from
Mar 21, 2011, 10:11 PM MDT
Expired
Mar 22, 2011, 10:00 PM MDT
In force
24 hr
Issued by
NWS Denver/Boulder, CO

Counties Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Denver County, CO, Douglas County, CO, Elbert County, CO, Gilpin County, CO, Jefferson County, CO, Larimer County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Park County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO

The radar

The Denver radar (KFTG), 22 km from the middle of the area, began a volume at 20:50 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.

What was reported inside it

TimeReportWhereRemark
Mar 22, 3:47 PM MDTNON-TSTM WND GST 634 Sw Broomfield, CO
Mar 22, 4:00 PM MDTNON-TSTM WND GST 61Longmont, COLONGMONT AIRPORT
Mar 22, 4:30 PM MDTNON-TSTM WND GST 615 W Berthoud, CO
Mar 22, 4:30 PM MDTNON-TSTM WND GST 646 Nw Berthoud, CO
Mar 22, 4:30 PM MDTNON-TSTM WND GST 733 S Marshall, COWIND TECHNOLOGY CENTER
Mar 22, 4:46 PM MDTNON-TSTM WND GST 694 Sw Broomfield, CO
Mar 22, 4:51 PM MDTNON-TSTM WND GST 807 Wnw Berthoud, CO
Mar 22, 5:00 PM MDTNON-TSTM WND GST 646 Nw Carr, CO
Mar 22, 5:00 PM MDTNON-TSTM WND GST 773 S Marshall, COWIND TECHNOLOGY CENTER
Mar 22, 5:31 PM MDTNON-TSTM WND GST 642 N Longmont, CO
Mar 22, 5:48 PM MDTNON-TSTM WND GST 724 Sw Broomfield, CO
Mar 22, 6:00 PM MDTNON-TSTM WND GST 584 W Lakewood, CO
Mar 22, 7:23 PM MDTNON-TSTM WND GST 803 S Marshall, CO
Mar 22, 7:30 PM MDTNON-TSTM WND GST 644 W Lakewood, CO
Mar 22, 8:14 PM MDTNON-TSTM WND GST 853 S Marshall, CO
Mar 22, 10:00 PM MDTNON-TSTM WND GST 664 W Lakewood, CO
Mar 22, 10:00 PM MDTNON-TSTM WND GST 826 Nw Boulder, CO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 8.8 hours before the alert went out and 99 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 2011-03-21Temperature 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 2011-03-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 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
3497 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
313 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.

176 
WWUS85 KBOU 212045
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
245 PM MDT MON MAR 21 2011

...EXTREME FIRE WEATHER CONDITIONS EXPECTED THROUGH EARLY THIS
EVENING AND THEN AGAIN FROM TUESDAY AFTERNOON THROUGH EARLY
TUESDAY EVENING...

.STRONG GUSTY SOUTHWEST WINDS...VERY LOW RELATIVE HUMIDITY
VALUES...AND ABNORMALLY WARM TEMPERATURES HAVE DEVELOPED THIS
AFTERNOON AND WILL CONTINUE THROUGH THIS EVENING. VERY DRY FUELS WILL
ALLOW FIRES TO IGNITE EASILY AND SPREAD RAPIDLY. HUMIDITIES WILL
REMAIN IN THE SINGLE DIGITS THROUGH THIS EVENING AS STRONG WIND GUSTS
ALSO CONTINUE.

ALTHOUGH IT WILL BE MUCH COOLER ON TUESDAY...GUSTY WEST TO
NORTHWEST WINDS AND VERY LOW RELATIVE HUMIDITIES WILL ONCE AGAIN
ELEVATE THE FIRE DANGER ACROSS SOUTH PARK...THE FRONT RANGE
FOOTHILLS AND NORTHEAST PLAINS. THE STRONGEST WINDS ARE EXPECTED
TO OCCUR TUESDAY AFTERNOON THROUGH EARLY TUESDAY EVENING.

COZ239>241-244>247-249-220845-
/O.UPG.KBOU.FW.A.0004.110322T1800Z-110323T0200Z/
/O.NEW.KBOU.FW.W.0007.110322T1800Z-110323T0200Z/
/O.CON.KBOU.FW.W.0006.000000T0000Z-110322T0400Z/
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
MORGAN COUNTY-CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
WASHINGTON COUNTY-
245 PM MDT MON MAR 21 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
239...240...241...244...245...246...247 AND 249...
...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT TUESDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 239...240...
241...244...245...246...247 AND 249...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 8 PM MDT TUESDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 


* AFFECTED AREA...FIRE WEATHER ZONE 239...ARVADA...BOULDER...
  GOLDEN...LAKEWOOD...LONGMONT...FIRE WEATHER ZONE 240... 
  AURORA...BRIGHTON...CITY OF DENVER...DENVER INTERNATIONAL 
  AIRPORT...HIGHLANDS RANCH...LITTLETON...PARKER...FIRE WEATHER 
  ZONE 241...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR...
   FIRE WEATHER ZONE 244...BRUSH...FORT MORGAN...GOODRICH... 
  WIGGINS...FIRE WEATHER ZONE 245...BENNETT...BYERS...DEER 
  TRAIL...LEADER...FIRE WEATHER ZONE 246...AGATE...HUGO... 
  LIMON...MATHESON...FIRE WEATHER ZONE 247...FORDER...KARVAL... 
  KUTCH...PUNKIN CENTER...FIRE WEATHER ZONE 249...AKRON... 
  COPE...LAST CHANCE...OTIS. 

 * TIMING...GUSTY WINDS AND VERY LOW RELATIVE HUMIDITIES WILL
   CONTINUE THROUGH THE AFTERNOON AND EARLY EVENING. THERE WILL BE
   GRADUAL IMPROVEMENT LATER THIS EVENING. RED FLAG CONDITIONS
   WILL REDEVELOP AGAIN FROM TUESDAY AFTERNOON THROUGH EARLY TUESDAY EVENING.

 * WIND...SOUTH TO SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 40
   MPH THROUGH EARLY THIS EVENING. ON TUESDAY WINDS WILL BECOME
   WEST TO NORTHWEST WITH SPEEDS INCREASING TO 20 TO 30 MPH BY
   AFTERNOON WITH GUSTS UP TO 40 MPH POSSIBLE.

 * HUMIDITY...MINIMUM RELATIVE HUMIDITY VALUES WILL RANGE FROM 5 
   TO 10 PERCENT.

 * IMPACTS...STRONG GUSTY WINDS...ABNORMALLY WARM TEMPERATURES AND
   VERY LOW RELATIVE HUMIDITIES WILL COMBINE WITH AN UNSTABLE
   ATMOSPHERE TO PRODUCE FAVORABLE CONDITIONS FOR THE RAPID GROWTH
   AND SPREAD OF WILDLAND FIRES THROUGH CURED FUELS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CRITICAL FIRE WEATHER CONDITIONS ARE IMMINENT. PLEASE ADVISE THE
APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED
FLAG WARNING.

&&


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE
OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.

&&

$$

COZ214-216-220845-
/O.UPG.KBOU.FW.A.0004.110322T1800Z-110323T0200Z/
/O.NEW.KBOU.FW.W.0007.110322T1800Z-110323T0200Z/
/O.CON.KBOU.FW.W.0006.000000T0000Z-110322T0400Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
245 PM MDT MON MAR 21 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
214 AND 216...
...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT TUESDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 214 AND 216...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 8 PM MDT TUESDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 


* AFFECTED AREA...FIRE WEATHER ZONE 214...ELEVEN MILE CANYON 
  RESERVOIR...FAIRPLAY...GUFFEY...HARTSEL...LAKE GEORGE...SOUTH 
  PARK...FIRE WEATHER ZONE 216...BAILEY...CENTRAL CITY... 
  EVERGREEN...GEORGETOWN...IDAHO SPRINGS...NORTHERN RAMPART 
  RANGE...TARRYALL...WESTCREEK. 

* TIMING...GUSTY SOUTHWEST WINDS AND VERY LOW RELATIVE HUMIDITIES
  WILL CONTINUE THOUGH THIS EVENING. THERE WILL BE SOME
  IMPROVEMENT OVERNIGHT THOUGH WINDS WILL REMAIN STRONG...RED
  FLAG CONDITIONS WILL REDEVELOP AGAIN TUESDAY AFTERNOON INTO
  EARLY TUESDAY EVENING.

* WIND...SOUTHWEST WINDS 20 TO 35 MPH WITH GUSTS TO AROUND 45 MPH IN
  OPEN TERRAIN ARE EXPECTED DURING THE AFTERNOON INTO THIS
  EVENING. ON TUESDAY WINDS WILL BECOME WEST TO NORTHWEST WITH
  SPEEDS FROM 20 TO 30 MPH BY AFTERNOON WITH GUSTS UP 40 MPH
  EXCEPT FROM WEST OF GOLDEN NORTHWARD WHERE SPEEDS FROM 25 TO 40
  MPH WITH GUSTS TO 60 MPH WILL BE POSSIBLE.

* HUMIDITY...MINIMUM RELATIVE HUMIDITY VALUES WILL RANGE FROM 5 
  TO 10 PERCENT. 

* IMPACTS...STRONG GUSTY WINDS...ABNORMALLY WARM TEMPERATURES...AND
  VERY LOW RELATIVE HUMIDITIES WILL COMBINE WITH AN UNSTABLE
  ATMOSPHERE TO PRODUCE FAVORABLE CONDITIONS FOR THE RAPID GROWTH
  AND SPREAD OF WILDLAND FIRES THROUGH CURED FUELS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CRITICAL FIRE WEATHER CONDITIONS ARE IMMINENT. PLEASE ADVISE THE
APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED
FLAG WARNING.

&&


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE
OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.

&&

$$

COZ215-238-242-243-248-250-251-220845-
/O.UPG.KBOU.FW.A.0004.110322T1800Z-110323T0200Z/
/O.NEW.KBOU.FW.W.0007.110322T1800Z-110323T0200Z/
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-LOGAN COUNTY-
SEDGWICK COUNTY-PHILLIPS COUNTY-
245 PM MDT MON MAR 21 2011

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT TUESDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 215...238...
242...243...248...250 AND 251...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 8 PM MDT TUESDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 


* AFFECTED AREA...FIRE WEATHER ZONE 215...ESTES PARK...
  GLENDEVEY...LARAMIE RIVER VALLEY...NEDERLAND...RED FEATHER 
  LAKES...FIRE WEATHER ZONE 238...FORT COLLINS...HEREFORD... 
  LOVELAND...NUNN...WEST PAWNEE GRASSLANDS...FIRE WEATHER ZONE 
  242...BRIGGSDALE...EAST PAWNEE GRASSLANDS...GROVER...PAWNEE 
  BUTTES...RAYMER...STONEHAM...FIRE WEATHER ZONE 243...EATON... 
  FORT LUPTON...GREELEY...ROGGEN...FIRE WEATHER ZONE 248... 
  CROOK...MERINO...STERLING...PEETZ...FIRE WEATHER ZONE 250... 
  JULESBURG...OVID...SEDGWICK...FIRE WEATHER ZONE 251... 
  AMHERST...HAXTUN...HOLYOKE. 

* TIMING...GUSTY WEST TO NORTHWEST WINDS WILL DEVELOP FOLLOWING THE
  PASSAGE OF A COLD FRONT TUESDAY MORNING. THE STRONGEST WINDS
  WILL OCCUR DURING THE AFTERNOON INTO THE EARLY EVENING HOURS.

* WIND...WEST TO NORTHWEST WINDS 25 TO 35 MPH WILL OCCUR WITH
  GUSTS TO 50 MPH IN THE AFTERNOON OVER THE PLAINS...WITH UP TO 60
  MPH IN THE FOOTHILLS.

* HUMIDITY...10 TO 15 PERCENT.

* IMPACTS...STRONG GUSTY WINDS AND VERY LOW RELATIVE HUMIDITIES 
  WILL COMBINE TO PRODUCE FAVORABLE CONDITIONS FOR THE RAPID 
  GROWTH AND SPREAD OF WILDLAND FIRES THROUGH CURED FUELS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE
OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.

&&

$$
7 follow-up statements
404 
WWUS85 KBOU 220411
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1011 PM MDT MON MAR 21 2011

...EXTREME FIRE WEATHER CONDITIONS EXPECTED THE REST OF TONIGHT
THROUGH EARLY TUESDAY EVENING FOR FIRE WEATHER ZONES 216 AND
239...
...EXTREME FIRE WEATHER CONDITIONS FOR TUESDAY AFTERNOON THROUGH
EARLY TUESDAY EVENING FOR FIRE WEATHER ZONES...214...215...238...
240...241...242...243...244...245...246...247...248...249...250 AND
251.

.STRONG GUSTY SOUTHWEST WINDS WILL CONTINUE OVERNIGHT IN AND NEAR
THE FOOTHILLS FROM BOULDER SOUTH TO GOLDEN ALONG WITH LOW RELATIVE
HUMIDITY VALUES.  VERY DRY FUELS WILL ALLOW FIRES TO IGNITE EASILY
AND SPREAD RAPIDLY. 

ALTHOUGH IT WILL BE MUCH COOLER ON TUESDAY...GUSTY WEST TO
NORTHWEST WINDS AND VERY LOW RELATIVE HUMIDITIES WILL ONCE AGAIN
ELEVATE THE FIRE DANGER ACROSS SOUTH PARK...THE FRONT RANGE
FOOTHILLS AND NORTHEAST PLAINS. THE STRONGEST WINDS ARE EXPECTED
TO OCCUR FROM TUESDAY AFTERNOON THROUGH EARLY TUESDAY EVENING.

COZ214-240-241-244>247-249-221615-
/O.EXP.KBOU.FW.W.0006.000000T0000Z-110322T0400Z/
/O.CON.KBOU.FW.W.0007.110322T1800Z-110323T0200Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
MORGAN COUNTY-CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
WASHINGTON COUNTY-
1011 PM MDT MON MAR 21 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 8 PM MDT
TUESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
214...240...241...244...245...246...247 AND 249...
...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW HUMIDITY
FOR FIRE WEATHER ZONES 214...240...241...244...245...246...
247 AND 249...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 


* AFFECTED AREA...FIRE WEATHER ZONE 214...ELEVEN MILE CANYON 
  RESERVOIR...FAIRPLAY...GUFFEY...HARTSEL...LAKE GEORGE...SOUTH 
  PARK...FIRE WEATHER ZONE 240...AURORA...BRIGHTON...CITY OF 
  DENVER...DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH... 
  LITTLETON...PARKER...FIRE WEATHER ZONE 241...CASTLE ROCK... 
  ELBERT...FONDIS...KIOWA...LARKSPUR...FIRE WEATHER ZONE 244... 
  BRUSH...FORT MORGAN...GOODRICH...WIGGINS...FIRE WEATHER ZONE 
  245...BENNETT...BYERS...DEER TRAIL...LEADER...FIRE WEATHER 
  ZONE 246...AGATE...HUGO...LIMON...MATHESON...FIRE WEATHER 
  ZONE 247...FORDER...KARVAL...KUTCH...PUNKIN CENTER...FIRE 
  WEATHER ZONE 249...AKRON...COPE...LAST CHANCE...OTIS. 

 * TIMING...GUSTY WINDS AND VERY LOW RELATIVE HUMIDITIES WILL   
CONTINUE THROUGH THE AFTERNOON AND EARLY EVENING. THERE WILL BE  
 GRADUAL IMPROVEMENT LATER THIS EVENING. RED FLAG CONDITIONS   
WILL REDEVELOP AGAIN FROM TUESDAY AFTERNOON THROUGH EARLY TUESDAY
EVENING.

 * WIND...ON TUESDAY WINDS WILL BECOME WEST TO NORTHWEST WITH
   SPEEDS INCREASING TO 20 TO 30 MPH BY AFTERNOON WITH GUSTS UP TO
   40 MPH POSSIBLE.

 * HUMIDITY...MINIMUM RELATIVE HUMIDITY VALUES WILL RANGE FROM 5 
   TO 10 PERCENT.

 * IMPACTS...STRONG GUSTY WINDS...ABNORMALLY WARM TEMPERATURES AND
   VERY LOW RELATIVE HUMIDITIES WILL COMBINE WITH AN UNSTABLE
   ATMOSPHERE TO PRODUCE FAVORABLE CONDITIONS FOR THE RAPID GROWTH
   AND SPREAD OF WILDLAND FIRES THROUGH CURED FUELS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CRITICAL FIRE WEATHER CONDITIONS ARE IMMINENT. PLEASE ADVISE THE
APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED
FLAG WARNING.

&&


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE
OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.

&&

$$

COZ216-239-221615-
/O.EXP.KBOU.FW.W.0006.000000T0000Z-110322T0400Z/
/O.EXT.KBOU.FW.W.0007.110322T0411Z-110323T0200Z/
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
1011 PM MDT MON MAR 21 2011

...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM MDT TUESDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 216 AND 239...
...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW HUMIDITY
FOR FIRE WEATHER ZONES 216 AND 239...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. THE RED FLAG WARNING
IS NOW IN EFFECT UNTIL 8 PM MDT TUESDAY. 


* AFFECTED AREA...FIRE WEATHER ZONE 216...BAILEY...CENTRAL 
  CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...NORTHERN 
  RAMPART RANGE...TARRYALL...WESTCREEK...FIRE WEATHER ZONE 
  239...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT. 

 * TIMING...GUSTY WINDS AND VERY LOW RELATIVE HUMIDITIES WILL   
CONTINUE THROUGH THE AFTERNOON AND EARLY EVENING. THERE WILL BE  
 GRADUAL IMPROVEMENT LATER THIS EVENING. RED FLAG CONDITIONS   
WILL REDEVELOP AGAIN FROM TUESDAY AFTERNOON THROUGH EARLY TUESDAY
EVENING.

 * WIND...SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL
   CONTINUE OVERNIGHT AND THEN BECOME MORE WESTERLY BY TUESDAY
   MORNING. BY MIDDAY TUESDAY WINDS WILL BECOME WEST TO NORTHWEST
   WITH SPEEDS INCREASING TO 25 TO 35 MPH BY AFTERNOON WITH GUSTS
   UP TO 50 MPH POSSIBLE.

 * HUMIDITY...MINIMUM RELATIVE HUMIDITY VALUES WILL RANGE FROM 8
   TO 15 PERCENT.

 * IMPACTS...STRONG GUSTY WINDS...ABNORMALLY WARM TEMPERATURES AND
   VERY LOW RELATIVE HUMIDITIES WILL COMBINE WITH AN UNSTABLE
   ATMOSPHERE TO PRODUCE FAVORABLE CONDITIONS FOR THE RAPID GROWTH
   AND SPREAD OF WILDLAND FIRES THROUGH CURED FUELS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CRITICAL FIRE WEATHER CONDITIONS ARE IMMINENT. PLEASE ADVISE THE
APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED
FLAG WARNING.

&&


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE
OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.

&&

$$

COZ215-238-242-243-248-250-251-221615-
/O.CON.KBOU.FW.W.0007.110322T1800Z-110323T0200Z/
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-LOGAN COUNTY-
SEDGWICK COUNTY-PHILLIPS COUNTY-
1011 PM MDT MON MAR 21 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 8 PM MDT
TUESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
215...238...242...243...248...250 AND 251...

* AFFECTED AREA...FIRE WEATHER ZONE 215...ESTES PARK...
  GLENDEVEY...LARAMIE RIVER VALLEY...NEDERLAND...RED FEATHER 
  LAKES...FIRE WEATHER ZONE 238...FORT COLLINS...HEREFORD... 
  LOVELAND...NUNN...WEST PAWNEE GRASSLANDS...FIRE WEATHER ZONE 
  242...BRIGGSDALE...EAST PAWNEE GRASSLANDS...GROVER...PAWNEE 
  BUTTES...RAYMER...STONEHAM...FIRE WEATHER ZONE 243...EATON... 
  FORT LUPTON...GREELEY...ROGGEN...FIRE WEATHER ZONE 248... 
  CROOK...MERINO...STERLING...PEETZ...FIRE WEATHER ZONE 250... 
  JULESBURG...OVID...SEDGWICK...FIRE WEATHER ZONE 251... 
  AMHERST...HAXTUN...HOLYOKE. 

* TIMING...GUSTY WEST TO NORTHWEST WINDS WILL DEVELOP FOLLOWING
  THE PASSAGE OF A COLD FRONT TUESDAY MORNING. THE STRONGEST 
  WINDS WILL OCCUR DURING THE AFTERNOON INTO THE EARLY EVENING 
  HOURS.

* WIND...WEST TO NORTHWEST WINDS 25 TO 35 MPH WILL OCCUR WITH 
  GUSTS TO 50 MPH IN THE AFTERNOON OVER THE PLAINS...WITH UP TO 
  60 MPH IN THE FOOTHILLS. 

* HUMIDITY...10 TO 15 PERCENT.

* IMPACTS...STRONG GUSTY WINDS AND VERY LOW RELATIVE HUMIDITIES 
  WILL COMBINE TO PRODUCE FAVORABLE CONDITIONS FOR THE RAPID 
  GROWTH AND SPREAD OF WILDLAND FIRES THROUGH CURED FUELS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE
OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.

&&

$$
902 
WWUS85 KBOU 220956
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
356 AM MDT TUE MAR 22 2011

...EXTREME FIRE WEATHER CONDITIONS THROUGH EARLY THIS EVENING FOR
FIRE WEATHER ZONES 216 AND 239... 
...EXTREME FIRE WEATHER CONDITIONS FOR THIS AFTERNOON THROUGH
EARLY THIS EVENING FOR FIRE WEATHER ZONES...214... 215...238...
240...241...242...243...244...245...246...247... 248...249...250
AND 251.

.STRONG NORTHWEST TO WEST WINDS WILL OCCUR TODAY IN AND NEAR THE
FOOTHILLS FROM BOULDER SOUTH TO GOLDEN ALONG WITH LOW RELATIVE
HUMIDITY VALUES. VERY DRY FUELS...ESPECIALLY THIS AFTERNOON...WILL
ALLOW FIRES TO IGNITE EASILY AND SPREAD RAPIDLY.

ALTHOUGH IT WILL BE MUCH COOLER TODAY...GUSTY WEST TO NORTHWEST
WINDS AND LOW RELATIVE HUMIDITIES WILL ONCE AGAIN ELEVATE THE
FIRE DANGER ACROSS SOUTH PARK...THE FRONT RANGE FOOTHILLS AND
NORTHEAST PLAINS. THE STRONGEST WINDS ARE EXPECTED TO OCCUR LATE
THIS AFTERNOON THROUGH EARLY THIS EVENING.

COZ216-239-222200-
/O.EXT.KBOU.FW.W.0007.000000T0000Z-110323T0400Z/
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
356 AM MDT TUE MAR 22 2011

...RED FLAG WARNING NOW IN EFFECT UNTIL 10 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 216 AND
239......RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW
HUMIDITY FOR FIRE WEATHER ZONES 216 AND 239...

THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 10 PM MDT THIS
EVENING. 

* AFFECTED AREA...FIRE WEATHER ZONE 216...BAILEY...CENTRAL 
  CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...NORTHERN 
  RAMPART RANGE...TARRYALL...WESTCREEK...FIRE WEATHER ZONE 
  239... ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT.

 * TIMING...GUSTY WINDS AND VERY LOW RELATIVE HUMIDITIES WILL
   CONTINUE THROUGH THE AFTERNOON AND EARLY EVENING. THERE WILL BE
   GRADUAL IMPROVEMENT LATER THIS EVENING. 

 * WIND...WEST WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH WILL OCCUR
   THROUGH THIS MORNING. STRONGER WEST TO NORTHWEST WINDS 25 TO 35
   MPH WITH GUSTS FROM 65 TO 75 MPH ARE POSSIBLE LATE THIS
   AFTERNOON INTO THE EVENING HOURS. 

 * HUMIDITY...MINIMUM RELATIVE HUMIDITY VALUES WILL RANGE FROM 12
   TO 17 PERCENT.

 * IMPACTS...IN SPITE OF THE COOLER TEMPERATURES AND BRIEF SHOWER
   ACTIVITY THIS MORNING...STRONG GUSTY WINDS AND LOW RELATIVE
   HUMIDITIES WILL COMBINE TO PRODUCE FAVORABLE CONDITIONS FOR THE
   RAPID GROWTH AND SPREAD OF WILDLAND FIRES THROUGH CURED FUELS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CRITICAL FIRE WEATHER CONDITIONS ARE IMMINENT. PLEASE ADVISE THE
APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED
FLAG WARNING.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE
OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.

&&

$$

COZ214-215-238-222200-
/O.EXT.KBOU.FW.W.0007.110322T1600Z-110323T0400Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
356 AM MDT TUE MAR 22 2011

...RED FLAG WARNING NOW IN EFFECT FROM 10 AM THIS MORNING TO
10 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE
WEATHER ZONES 214...215 AND 238...

THE RED FLAG WARNING IS NOW IN EFFECT FROM 10 AM THIS MORNING TO
10 PM MDT THIS EVENING. 


* TIMING...GUSTY WEST TO NORTHWEST WINDS WILL DEVELOP FOLLOWING
  THE PASSAGE OF A COLD FRONT THIS MORNING. THE STRONGEST WINDS
  WILL OCCUR LATE THIS AFTERNOON INTO THE EARLY EVENING HOURS.

* WIND...WEST TO NORTHWEST WINDS 25 TO 35 MPH WILL OCCUR WITH
  GUSTS FROM 65 MPH TO 75 MPH TO 50 MPH LATE IN THE AFTERNOON.

* HUMIDITY...12 TO 17 PERCENT.

* IMPACTS...STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITIES WILL
  COMBINE TO PRODUCE FAVORABLE CONDITIONS FOR THE RAPID GROWTH AND
  SPREAD OF WILDLAND FIRES THROUGH CURED FUELS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE
OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.

&&

$$

COZ240>251-222200-
/O.CON.KBOU.FW.W.0007.110322T1800Z-110323T0200Z/
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
356 AM MDT TUE MAR 22 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT
THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER
ZONES 240...241...242...243...244...245...246...247...248...249..,
250 AND 251...


* TIMING...GUSTY WEST TO NORTHWEST WINDS WILL DEVELOP FOLLOWING
  THE PASSAGE OF A COLD FRONT THIS MORNING. THE STRONGEST WINDS
  WILL OCCUR DURING THE AFTERNOON INTO THE EARLY EVENING HOURS.

* WIND...WEST TO NORTHWEST WINDS 25 TO 35 MPH WILL OCCUR WITH
  GUSTS FROM 45 TO 60 MPH IN THE AFTERNOON...STRONGEST ALONG THE
  COLORADO AND WYOMING STATELINE.

* HUMIDITY...12 TO 18 PERCENT.

* IMPACTS...STRONG GUSTY WINDS AND VERY LOW RELATIVE HUMIDITIES 
  WILL COMBINE TO PRODUCE FAVORABLE CONDITIONS FOR THE RAPID 
  GROWTH AND SPREAD OF WILDLAND FIRES THROUGH CURED FUELS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE
OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.

&&

$$
566 
WWUS85 KBOU 221218
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
618 AM MDT TUE MAR 22 2011

...EXTREME FIRE WEATHER CONDITIONS THROUGH THIS EVENING FOR FIRE
WEATHER ZONES 216 AND 239... ...EXTREME FIRE WEATHER CONDITIONS
FOR THIS AFTERNOON THROUGH EARLY THIS EVENING FOR FIRE WEATHER
ZONES...214... 215...238... 240...241...242...243...244...
245...246...247... 248...249...250 AND 251.

.STRONG NORTHWEST TO WEST WINDS WILL OCCUR TODAY IN AND NEAR THE
FOOTHILLS FROM BOULDER SOUTH TO GOLDEN ALONG WITH LOW RELATIVE
HUMIDITY VALUES. VERY DRY FUELS...ESPECIALLY THIS AFTERNOON...
WILL ALLOW FIRES TO IGNITE EASILY AND SPREAD RAPIDLY.

ALTHOUGH IT WILL BE MUCH COOLER TODAY...GUSTY WEST TO NORTHWEST
WINDS AND LOW RELATIVE HUMIDITIES WILL ONCE AGAIN ELEVATE THE
FIRE DANGER ACROSS SOUTH PARK...THE FRONT RANGE FOOTHILLS AND
NORTHEAST PLAINS. THE STRONGEST WINDS ARE EXPECTED TO OCCUR LATE
THIS AFTERNOON THROUGH EARLY THIS EVENING.

COZ216-239-222200-
/O.CON.KBOU.FW.W.0007.000000T0000Z-110323T0400Z/
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
618 AM MDT TUE MAR 22 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
216 AND 239...

* AFFECTED AREA...FIRE WEATHER ZONE 216...BAILEY...CENTRAL 
  CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...NORTHERN 
  RAMPART RANGE...TARRYALL...WESTCREEK...FIRE WEATHER ZONE 
  239...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT. 

 * TIMING...GUSTY WINDS AND VERY LOW RELATIVE HUMIDITIES WILL CONTINUE
   THROUGH THE AFTERNOON AND EARLY EVENING. THERE WILL BE GRADUAL
   IMPROVEMENT LATER THIS EVENING.

 * WIND...WEST WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH WILL OCCUR
   THROUGH THIS MORNING. STRONGER WEST TO NORTHWEST WINDS 25 TO 35 MPH
   WITH GUSTS FROM 65 TO 75 MPH ARE POSSIBLE LATE THIS AFTERNOON
   INTO THE EVENING HOURS.

 * HUMIDITY...MINIMUM RELATIVE HUMIDITY VALUES WILL RANGE FROM 12 TO
   17 PERCENT.

 * IMPACTS...IN SPITE OF THE COOLER TEMPERATURES AND BRIEF SHOWER
   ACTIVITY THIS MORNING...STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITIES
   WILL COMBINE TO PRODUCE FAVORABLE CONDITIONS FOR THE RAPID
   GROWTH AND SPREAD OF WILDLAND FIRES THROUGH CURED FUELS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CRITICAL FIRE WEATHER CONDITIONS ARE IMMINENT. PLEASE ADVISE THE
APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED
FLAG WARNING.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE
OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.

&&

$$

COZ214-215-238-222200-
/O.CON.KBOU.FW.W.0007.110322T1600Z-110323T0400Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
618 AM MDT TUE MAR 22 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
10 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE
WEATHER ZONES 214...215 AND 238...

* TIMING...GUSTY WEST TO NORTHWEST WINDS WILL DEVELOP FOLLOWING 
  THE PASSAGE OF A COLD FRONT THIS MORNING. THE STRONGEST WINDS 
  WILL OCCUR LATE THIS AFTERNOON INTO THE EARLY EVENING HOURS.

* WIND...WEST TO NORTHWEST WINDS 25 TO 35 MPH WILL OCCUR WITH
  GUSTS FROM 65 MPH TO 75 MPH LATE IN THE AFTERNOON.

* HUMIDITY...12 TO 17 PERCENT.

* IMPACTS...STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITIES WILL 
  COMBINE TO PRODUCE FAVORABLE CONDITIONS FOR THE RAPID GROWTH 
  AND SPREAD OF WILDLAND FIRES THROUGH CURED FUELS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE
OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.

&&

$$

COZ240>251-222200-
/O.CON.KBOU.FW.W.0007.110322T1800Z-110323T0200Z/
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
618 AM MDT TUE MAR 22 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT
THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER
ZONES 240...241...242...243...244...245...246...247...248...249...
250 AND 251...

* TIMING...GUSTY WEST TO NORTHWEST WINDS WILL DEVELOP FOLLOWING 
  THE PASSAGE OF A COLD FRONT THIS MORNING. THE STRONGEST WINDS 
  WILL OCCUR DURING THE AFTERNOON INTO THE EARLY EVENING HOURS.

* WIND...WEST TO NORTHWEST WINDS 20 TO 35 MPH WILL OCCUR WITH
  GUSTS FROM 45 TO 60 MPH IN THE AFTERNOON...STRONGEST ALONG THE
  COLORADO AND WYOMING STATELINE.

* HUMIDITY...12 TO 18 PERCENT.

* IMPACTS...STRONG GUSTY WINDS AND VERY LOW RELATIVE HUMIDITIES 
  WILL COMBINE TO PRODUCE FAVORABLE CONDITIONS FOR THE RAPID 
  GROWTH AND SPREAD OF WILDLAND FIRES THROUGH CURED FUELS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE
OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.

&&

$$
949 
WWUS85 KBOU 221824
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1224 PM MDT TUE MAR 22 2011

...EXTREME FIRE WEATHER CONDITIONS TO CONTINUE THROUGH THIS
EVENING FOR THE FOOTHILLS...PLAINS...PALMER DIVIDE AND SOUTH
PARK...

.STRONG NORTHWEST TO WEST WINDS WILL CONTINUE THROUGH THIS EVENING
FOR THE FOOTHILLS...PLAINS...PALMER DIVIDE AND SOUTH PARK. THE
STRONGEST WINDS WILL OCCUR ALONG THE FOOTHILLS AND ADJACENT
PLAINS. 

ALTHOUGH IT WILL BE MUCH COOLER TODAY...HUMIDITY WILL BE LOW. THE
COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE EXTREME
FIRE DANGER.

COZ214>216-238-239-230400-
/O.CON.KBOU.FW.W.0007.000000T0000Z-110323T0400Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
1224 PM MDT TUE MAR 22 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
216 AND 239...

* AFFECTED AREA...FIRE WEATHER ZONE 216...BAILEY...CENTRAL 
  CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...NORTHERN 
  RAMPART RANGE...TARRYALL...WESTCREEK...FIRE WEATHER ZONE 
  239... ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT.

 * TIMING...GUSTY WINDS AND VERY LOW RELATIVE HUMIDITIES WILL CONTINUE
   THROUGH THE AFTERNOON AND EARLY EVENING. THERE WILL BE GRADUAL
   IMPROVEMENT LATER THIS EVENING.

 * WIND...WEST TO NORTHWEST WINDS 40 TO 50 MPH CAN BE EXPECTED
   THROUGH THIS EVENING...WITH SOME GUSTS TO 65 MPH POSSIBLE.

 * HUMIDITY...MINIMUM RELATIVE HUMIDITY VALUES WILL RANGE FROM 10
   TO 15 PERCENT.

 * IMPACTS...STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITIES WILL
   COMBINE TO PRODUCE FAVORABLE CONDITIONS FOR THE RAPID GROWTH
   AND SPREAD OF WILDLAND FIRES THROUGH CURED FUELS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CRITICAL FIRE WEATHER CONDITIONS ARE IMMINENT. PLEASE ADVISE THE
APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED
FLAG WARNING.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE
OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.

&&

$$

COZ240>251-230200-
/O.CON.KBOU.FW.W.0007.000000T0000Z-110323T0200Z/
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
1224 PM MDT TUE MAR 22 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 240...
241...242...243...244...245...246...247...248...249... 250 AND
251...

* TIMING...GUSTY WEST TO NORTHWEST WINDS WILL CONTINUE THROUGH
  EARLY THIS EVENING. 

* WIND...WEST TO NORTHWEST WINDS 25 TO 35 MPH WILL CONTINUE
  THROUGH THE EARLY EVENING. GUSTS FROM 40 TO 50 MPH ARE
  POSSIBLE..STRONGEST ALONG THE COLORADO AND WYOMING STATE LINE.

* HUMIDITY...10 TO 15 PERCENT.

* IMPACTS...STRONG GUSTY WINDS AND VERY LOW RELATIVE HUMIDITIES 
  WILL COMBINE TO PRODUCE FAVORABLE CONDITIONS FOR THE RAPID 
  GROWTH AND SPREAD OF WILDLAND FIRES THROUGH CURED FUELS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE
OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.

&&

$$
D-L
537 
WWUS85 KBOU 222151
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
351 PM MDT TUE MAR 22 2011

...EXTREME FIRE WEATHER CONDITIONS TO CONTINUE THROUGH THIS
EVENING FOR THE FOOTHILLS...PLAINS...PALMER DIVIDE AND SOUTH
PARK...

.STRONG NORTHWEST TO WEST WINDS WILL CONTINUE THROUGH THIS
EVENING FOR THE FOOTHILLS...PLAINS...PALMER DIVIDE AND SOUTH
PARK. THE STRONGEST WINDS WILL OCCUR ALONG THE FOOTHILLS AND
ADJACENT PLAINS.

ALTHOUGH IT WILL BE MUCH COOLER...HUMIDITY WILL BE LOW. THE
COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE EXTREME
FIRE DANGER.

COZ214>216-238-239-230400-
/O.CON.KBOU.FW.W.0007.000000T0000Z-110323T0400Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
351 PM MDT TUE MAR 22 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
216 AND 239...

* AFFECTED AREA...FIRE WEATHER ZONE 216...BAILEY...CENTRAL 
  CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS...NORTHERN 
  RAMPART RANGE...TARRYALL...WESTCREEK...FIRE WEATHER ZONE 
  239... ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT.

 * TIMING...GUSTY WINDS AND LOW RELATIVE HUMIDITIES WILL CONTINUE
   THROUGH THE EARLY EVENING. THERE WILL BE GRADUAL IMPROVEMENT
   LATER THIS EVENING.

 * WIND...WEST TO NORTHWEST WINDS 40 TO 50 MPH CAN BE EXPECTED
   THROUGH THIS EVENING...WITH SOME GUSTS TO 65 MPH POSSIBLE.

 * HUMIDITY...MINIMUM RELATIVE HUMIDITY VALUES WILL RANGE FROM 10 TO
   15 PERCENT.

 * IMPACTS...STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITIES WILL 
   COMBINE TO PRODUCE FAVORABLE CONDITIONS FOR THE RAPID GROWTH   
   AND SPREAD OF WILDLAND FIRES THROUGH CURED FUELS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CRITICAL FIRE WEATHER CONDITIONS ARE IMMINENT. PLEASE ADVISE THE
APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED
FLAG WARNING.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE
OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.

&&

$$

COZ240>251-230200-
/O.CON.KBOU.FW.W.0007.000000T0000Z-110323T0200Z/
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
351 PM MDT TUE MAR 22 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 240...
241...242...243...244...245...246...247...248...249... 250 AND
251...

* TIMING...GUSTY WEST TO NORTHWEST WINDS WILL CONTINUE THROUGH 
  EARLY THIS EVENING.

* WIND...WEST TO NORTHWEST WINDS 20 TO 35 MPH WILL CONTINUE
  THROUGH THE EARLY EVENING...WITH GUSTS FROM 40 TO 50 MPH..STRONGEST
  ALONG THE COLORADO AND WYOMING STATE LINE.

* HUMIDITY...10 TO 15 PERCENT.

* IMPACTS...STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITIES WILL
  COMBINE TO PRODUCE FAVORABLE CONDITIONS FOR THE RAPID GROWTH AND
  SPREAD OF WILDLAND FIRES THROUGH CURED FUELS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE
OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.

&&

$$
326 
WWUS85 KBOU 230213
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
813 PM MDT TUE MAR 22 2011


COZ240>251-230315-
/O.EXP.KBOU.FW.W.0007.000000T0000Z-110323T0200Z/
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
813 PM MDT TUE MAR 22 2011

...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW HUMIDITY
FOR FIRE WEATHER ZONES 240...241...242...243...244...245...246...
247...248...249...250 AND 251...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 


$$

COZ214>216-238-239-230400-
/O.CON.KBOU.FW.W.0007.000000T0000Z-110323T0400Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
813 PM MDT TUE MAR 22 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
214...215...216...238 AND 239...

* AFFECTED AREA...FIRE WEATHER ZONE 214...ELEVEN MILE CANYON 
  RESERVOIR...FAIRPLAY...GUFFEY...HARTSEL...LAKE GEORGE...SOUTH 
  PARK...FIRE WEATHER ZONE 215...ESTES PARK...GLENDEVEY... 
  LARAMIE RIVER VALLEY...NEDERLAND...RED FEATHER LAKES...FIRE 
  WEATHER ZONE 216...BAILEY...CENTRAL CITY...EVERGREEN... 
  GEORGETOWN...IDAHO SPRINGS...NORTHERN RAMPART RANGE... 
  TARRYALL...WESTCREEK...FIRE WEATHER ZONE 238...FORT COLLINS...
   HEREFORD...LOVELAND...NUNN...WEST PAWNEE GRASSLANDS...FIRE 
  WEATHER ZONE 239...ARVADA...BOULDER...GOLDEN...LAKEWOOD... 
  LONGMONT. 

 * TIMING...GUSTY WINDS AND LOW RELATIVE HUMIDITIES WILL CONTINUE
   THROUGH THE EARLY EVENING. THERE WILL BE GRADUAL IMPROVEMENT  
   LATER THIS EVENING.

 * WIND...WEST TO NORTHWEST WINDS 40 TO 50 MPH CAN BE EXPECTED   
   THROUGH THIS EVENING...WITH SOME GUSTS TO 65 MPH POSSIBLE.

 * HUMIDITY...MINIMUM RELATIVE HUMIDITY VALUES WILL RANGE FROM 10
   TO 15 PERCENT.

 * IMPACTS...STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITIES WILL 
   COMBINE TO PRODUCE FAVORABLE CONDITIONS FOR THE RAPID GROWTH   
   AND SPREAD OF WILDLAND FIRES THROUGH CURED FUELS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CRITICAL FIRE WEATHER CONDITIONS ARE IMMINENT. PLEASE ADVISE THE
APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED
FLAG WARNING.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE
OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.

&&

$$
960 
WWUS85 KBOU 230350
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
950 PM MDT TUE MAR 22 2011


COZ214>216-238-239-230500-
/O.EXP.KBOU.FW.W.0007.000000T0000Z-110323T0400Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
950 PM MDT TUE MAR 22 2011

...RED FLAG WARNING WILL EXPIRE AT 10 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 214...215...
216...238 AND 239...

THE RED FLAG WARNING WILL EXPIRE AT 10 PM MDT THIS EVENING. 



$$

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 21, 4:31 AM MDTFire Weather WatchBOUAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 13 more10 hr

Nearby

Red Flag Warnings in Colorado, 2011Every red flag warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.