Alert archive / Colorado / Red Flag Warnings in 2011

Red Flag Warning 17, NWS Denver/Boulder, CO

May 8, 201118 counties in Colorado

NWS Denver/Boulder, CO issued this red flag warning at May 8, 2011, 4:02 PM MDT for 18 counties in Colorado. It took effect at May 9, 2011, 11:00 AM MDT. It was in force for 9 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 8, 2011, 4:02 PM MDT (22:02 UTC)
In effect from
May 9, 2011, 11:00 AM MDT
Expired
May 9, 2011, 8:00 PM MDT
In force
9 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, 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 22:01 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 (KDNR), launched 12:00Z, 10.0 hours before the alert went out and 94 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 2011-05-08Temperature 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 2011-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
5644 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
85 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.

280 
WWUS85 KBOU 082202
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
402 PM MDT SUN MAY 8 2011

...GUSTY SOUTHWEST WINDS WILL DIMINISH THIS EVENING WITH SOME
WEAK RECOVERY IN HUMIDITIES TONIGHT. FIRE DANGER WILL INCREASE
AGAIN BY MONDAY AFTERNOON AS THE SOUTHWEST FLOW ALOFT INCREASES
ACROSS COLORADO DUE TO DEEPENING LOW PRESSURE OVER THE GREAT
BASIN. THIS WILL RESULT IN MORE WIDESPREAD GUSTY WINDS OVER THE
NORTHEAST PLAINS...PALMER DIVIDE AND PARK COUNTY BY MONDAY
AFTERNOON. 

COZ214-216-241-246-247-091015-
/O.NEW.KBOU.FW.W.0017.110509T1700Z-110510T0200Z/
/O.CON.KBOU.FW.W.0016.000000T0000Z-110509T0200Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
402 PM MDT SUN MAY 8 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 214...
216...241...246 AND 247...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT MONDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 214...216...
241...246 AND 247...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM TO 8 PM MDT MONDAY. 

* 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...FIRE WEATHER ZONE 241...CASTLE 
  ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR...FIRE WEATHER ZONE 
  246...AGATE...HUGO...LIMON...MATHESON...FIRE WEATHER ZONE 
  247...FORDER...KARVAL...KUTCH...PUNKIN CENTER. 

* TIMING...WINDS ARE EXPECTED TO DECREASE THROUGH EARLY EVENING
  WITH SOME RECOVERY OF HUMIDITY VALUES OVERNIGHT. WINDS WILL
  INCREASE AGAIN BY MONDAY AFTERNOON.  

* WIND...SOUTHWEST 10 TO 20 MPH WITH GUSTS FROM 20 TO 30
  MPH...DECREASING THIS EVENING. SOUTHWEST WINDS 20 TO 35 MPH
  INCREASING BY MONDAY AFTERNOON. 

* HUMIDITY...5 TO 10% THIS AFTERNOON...AND 10 TO 15 % BY MONDAY
  AFTERNOON. 

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

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.

&&

$$

COZ239-240-243>245-248>251-091015-
/O.NEW.KBOU.FW.W.0017.110509T1700Z-110510T0200Z/
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-
CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-LOGAN COUNTY-
WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
402 PM MDT SUN MAY 8 2011

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT MONDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 239...240...
243...244...245...248...249...250 AND 251...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM TO 8 PM MDT MONDAY. 

* 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 243...EATON...FORT LUPTON...GREELEY...ROGGEN...FIRE 
  WEATHER ZONE 244...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...
  FIRE WEATHER ZONE 245...BENNETT...BYERS...DEER TRAIL...
  LEADER...FIRE WEATHER ZONE 248...CROOK...MERINO...STERLING...
  PEETZ...FIRE WEATHER ZONE 249...AKRON...COPE...LAST CHANCE...
  OTIS...FIRE WEATHER ZONE 250...JULESBURG...OVID...SEDGWICK...
  FIRE WEATHER ZONE 251...AMHERST...HAXTUN...HOLYOKE.

* TIMING...INCREASING SOUTHWEST WINDS AND LOWERING HUMDITIES BY
  MONDAY AFTERNOON. 

* WIND...SOUTHWEST WINDS INCREASING TO 15 TO 25 MPH WITH GUSTS UP
  TO 35 MPH AFTER 1100. 

* HUMIDITY...WILL LOWER TO 10 TO 15 PERCENT BY MONDAY AFTERNOON. 

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

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.

&&

$$

SWE
4 follow-up statements
872 
WWUS85 KBOU 090206
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
806 PM MDT SUN MAY 8 2011

...FIRE DANGER WILL INCREASE AGAIN BY MONDAY AFTERNOON AS THE
SOUTHWEST FLOW ALOFT INCREASES ACROSS COLORADO DUE TO DEEPENING
LOW PRESSURE OVER THE GREAT BASIN. THIS WILL RESULT IN MORE
WIDESPREAD GUSTY WINDS OVER THE NORTHEAST PLAINS...PALMER DIVIDE
AND PARK COUNTY BY MONDAY AFTERNOON.

COZ214-216-241-246-247-091415-
/O.EXP.KBOU.FW.W.0016.000000T0000Z-110509T0200Z/
/O.CON.KBOU.FW.W.0017.110509T1700Z-110510T0200Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
806 PM MDT SUN MAY 8 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT
MONDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
214...216...241...246 AND 247...
...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW HUMIDITY
FOR FIRE WEATHER ZONES 214...216...241...246 AND 247...

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 216...BAILEY...CENTRAL CITY... 
  EVERGREEN...GEORGETOWN...IDAHO SPRINGS...NORTHERN RAMPART 
  RANGE...TARRYALL...WESTCREEK...FIRE WEATHER ZONE 241...CASTLE 
  ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR...FIRE WEATHER ZONE 
  246...AGATE...HUGO...LIMON...MATHESON...FIRE WEATHER ZONE 
  247...FORDER...KARVAL...KUTCH...PUNKIN CENTER. 

* TIMING...WINDS WILL INCREASE AGAIN BY MONDAY AFTERNOON.

* WIND...SOUTHWEST WINDS INCREASING TO 20 TO 35 MPH AFTER 1100.

* HUMIDITY...10 TO 15 % BY MONDAY AFTERNOON.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.


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.

&&

$$

COZ239-240-243>245-248>251-091415-
/O.CON.KBOU.FW.W.0017.110509T1700Z-110510T0200Z/
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-
CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-LOGAN COUNTY-
WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
806 PM MDT SUN MAY 8 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MDT
MONDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES
239...240...243...244...245...248...249...250 AND 251...

* 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 243...EATON...FORT LUPTON...GREELEY...ROGGEN...FIRE 
  WEATHER ZONE 244...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...
   FIRE WEATHER ZONE 245...BENNETT...BYERS...DEER TRAIL... 
  LEADER...FIRE WEATHER ZONE 248...CROOK...MERINO...STERLING... 
  PEETZ...FIRE WEATHER ZONE 249...AKRON...COPE...LAST CHANCE... 
  OTIS...FIRE WEATHER ZONE 250...JULESBURG...OVID...SEDGWICK... 
  FIRE WEATHER ZONE 251...AMHERST...HAXTUN...HOLYOKE. 

* TIMING...INCREASING SOUTHWEST WINDS AND LOWERING HUMDITIES BY 
  MONDAY AFTERNOON.

* WIND...SOUTHWEST WINDS INCREASING TO 15 TO 25 MPH WITH GUSTS 
  UPTO 35 MPH AFTER 1100. 

* HUMIDITY...WILL LOWER TO 10 TO 15 PERCENT BY MONDAY AFTERNOON.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

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.

&&

$$
308 
WWUS85 KBOU 090927
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
327 AM MDT MON MAY 9 2011

...FIRE DANGER WILL INCREASE AGAIN THIS AFTERNOON AS THE
SOUTHWEST FLOW ALOFT INCREASES ACROSS COLORADO DUE TO DEEPENING
LOW PRESSURE OVER THE GREAT BASIN. THIS WILL RESULT IN MORE
WIDESPREAD GUSTY WINDS OVER THE NORTHEAST PLAINS...PALMER DIVIDE
AND PARK COUNTY BY THIS AFTERNOON.

COZ214-216-239>241-243>251-091900-
/O.CON.KBOU.FW.W.0017.110509T1700Z-110510T0200Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
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-
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
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-
327 AM MDT MON MAY 9 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE
WEATHER ZONES 239...240...243...244...245...248...249...250 AND
251...

* 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 243...EATON...FORT LUPTON...GREELEY...ROGGEN...FIRE 
  WEATHER ZONE 244...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...
   FIRE WEATHER ZONE 245...BENNETT...BYERS...DEER TRAIL... 
  LEADER...FIRE WEATHER ZONE 248...CROOK...MERINO...STERLING... 
  PEETZ...FIRE WEATHER ZONE 249...AKRON...COPE...LAST CHANCE... 
  OTIS...FIRE WEATHER ZONE 250...JULESBURG...OVID...SEDGWICK... 
  FIRE WEATHER ZONE 251...AMHERST...HAXTUN...HOLYOKE.

* TIMING...INCREASING SOUTHWEST WINDS AND LOWERING HUMIDITIES IN
  THE AFTERNOON.

* WIND...SOUTHWEST WINDS INCREASING TO 15 TO 25 MPH WITH GUSTS 
  UP TO 35 MPH AFTER 1100.

* HUMIDITY...WILL LOWER TO 5 TO 10 PERCENT BY THIS AFTERNOON.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.
  OUTDOOR BURNING IS STRONGLY DISCOURAGED.

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.

&&

$$
767 
WWUS85 KBOU 091757
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1157 AM MDT MON MAY 9 2011

...STRONG SOUTHWEST FLOW ALOFT WILL PREVAIL ACROSS COLORADO THIS
AFTERNOON DUE TO A STRENGTHENING LOW PRESSURE SYSTEM OVER THE
GREAT BASIN. THIS WILL RESULT IN MORE WIDESPREAD GUSTY WINDS OVER
THE NORTHEAST PLAINS...PALMER DIVIDE AND PARK COUNTY. DRY
CONDITIONS WILL PREVAIL ACROSS THE AREA...RESULTING IN LOW
RELATIVE HUMIDITY.

COZ214-216-239>241-243>251-100200-
/O.CON.KBOU.FW.W.0017.000000T0000Z-110510T0200Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
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-
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
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-
1157 AM MDT MON MAY 9 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 214...
216...239...240...241...243...244...245...246...247...248...249...
250 AND 251...

* 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...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 243...EATON... 
  FORT LUPTON...GREELEY...ROGGEN...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 248...CROOK...MERINO...STERLING...PEETZ...FIRE 
  WEATHER ZONE 249...AKRON...COPE...LAST CHANCE...OTIS...FIRE 
  WEATHER ZONE 250...JULESBURG...OVID...SEDGWICK...FIRE WEATHER 
  ZONE 251...AMHERST...HAXTUN...HOLYOKE. 

* TIMING...GUSTY SOUTHWEST WINDS AND LOW HUMIDITY WILL CONTINUE
  THROUGH AFTERNOON AND EARLY EVENING. 

* WIND...SOUTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS UP TO 40 MPH
  WILL CONTINUE THROUGH THE AFTERNOON AND EARLY EVENING.

* HUMIDITY...READINGS OF 5 TO 12 PERCENT WILL PREVAIL THROUGH THE
  EVENING.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS STRONGLY DISCOURAGED.

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.

&&

$$
LESZCYNSKI
350 
WWUS85 KBOU 100203
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
803 PM MDT MON MAY 9 2011


COZ214-216-239>241-243>251-100315-
/O.EXP.KBOU.FW.W.0017.000000T0000Z-110510T0200Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
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-
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
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-
803 PM MDT MON MAY 9 2011

...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW HUMIDITY
FOR FIRE WEATHER ZONES 214...216...239...240...241...243...244...
245...246...247...248...249...250 AND 251...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 


$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 8:51 PM MDTRed Flag WarningBOUArapahoe, Clear Creek, Douglas, Elbert, Gilpin, Jefferson and 2 more23 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.