Alert archive / Colorado / Red Flag Warnings in 2016

Red Flag Warning 27, NWS Denver/Boulder, CO

October 15, 201614 counties in Colorado

NWS Denver/Boulder, CO issued this red flag warning at Oct 15, 2016, 2:14 PM MDT for 14 counties in Colorado. It took effect at Oct 16, 2016, 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
Oct 15, 2016, 2:14 PM MDT (20:14 UTC)
In effect from
Oct 16, 2016, 11:00 AM MDT
Expired
Oct 16, 2016, 7:00 PM MDT
In force
8 hr
Issued by
NWS Denver/Boulder, CO

Counties Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Douglas County, CO, Elbert County, CO, Gilpin County, CO, Grand County, CO, Jefferson County, CO, Larimer County, CO, Lincoln County, CO, Park County, CO, Summit County, CO, Weld County, CO

The radar

The Denver radar (KFTG), 48 km from the middle of the area, began a volume at 20:14 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, 8.2 hours before the alert went out and 161 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 2016-10-15Temperature 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 2016-10-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.1939587897Sfc1 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
3330 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
148 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

641 
WWUS85 KBOU 152014
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
214 PM MDT SAT OCT 15 2016

...EXTENDED PERIOD OF STRONG WINDS AND HIGH FIRE DANGER THROUGH
MONDAY...

.A COMBINATION OF STRONG WINDS...UNSEASONABLY WARM TEMPERATURES
AND LOW RELATIVE HUMIDITIES WILL PRODUCE HIGH FIRE DANGER FOR
SUNDAY AND MONDAY. THE STRONGER WINDS WILL OCCUR IN AND NEAR THE
MOUNTAINS ON SUNDAY, AND THEN SPREAD ACROSS THE REST OF THE PLAINS
MONDAY.

COZ214-216-241-246-247-161200-
/O.UPG.KBOU.FW.A.0010.161016T1700Z-161017T0100Z/
/O.NEW.KBOU.FW.W.0027.161016T1700Z-161017T0100Z/
/O.NEW.KBOU.FW.A.0011.161017T1700Z-161018T0300Z/
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-
214 PM MDT SAT OCT 15 2016

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM MDT SUNDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR SOUTH PARK...THE SOUTHERN
FRONT RANGE FOOTHILLS...AND PALMER DIVIDE AREA...

...FIRE WEATHER WATCH IN EFFECT FROM LATE MONDAY MORNING THROUGH
MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTH
PARK...THE SOUTHERN FRONT RANGE FOOTHILLS...AND PALMER DIVIDE
AREA...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM 11 AM TO 7 PM MDT SUNDAY. A FIRE WEATHER WATCH HAS ALSO BEEN
ISSUED. THIS FIRE WEATHER WATCH FOR WIND AND LOW RELATIVE HUMIDITY
IS IN EFFECT FROM LATE MONDAY MORNING THROUGH MONDAY EVENING.

* AFFECTED AREA...FIRE WEATHER ZONES 214...216...241...246 AND 
  247.

* TIMING...11 AM MDT SUNDAY MORNING TO 7 PM MDT SUNDAY EVENING...
  AND THEN AGAIN FROM 11 AM MDT MONDAY MORNING THROUGH 9 PM MDT
  MONDAY EVENING.

* WINDS...WEST 15 TO 25 MPH...WITH GUSTS UP TO 45 MPH ON MONDAY.

* RELATIVE HUMIDITY...AS LOW AS 9 PERCENT ON SUNDAY...AND AS LOW
  AS 12 PERCENT ON MONDAY.

* IMPACTS...BE EXTREMELY CAREFUL WITH ANYTHING CAPABLE OF 
  PRODUCING A SPARK AND FIRE. CONDITIONS WILL BE FAVORABLE FOR 
  RAPID FIRE GROWTH.

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.

&&

$$

COZ215-238-239-161200-
/O.NEW.KBOU.FW.W.0027.161016T1700Z-161017T0100Z/
/O.NEW.KBOU.FW.A.0011.161017T1700Z-161018T0300Z/
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
214 PM MDT SAT OCT 15 2016

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM MDT SUNDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHERN FRONT RANGE FOOTHILLS
...EASTERN LARIMER...EASTERN BOULDER AND NORTHWEST WELD COUNTIES...

...FIRE WEATHER WATCH IN EFFECT FROM LATE MONDAY MORNING THROUGH
MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHERN
FRONT RANGE FOOTHILLS...EASTERN LARIMER...EASTERN BOULDER AND
NORTHWEST WELD COUNTIES...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM 11 AM TO 7 PM MDT SUNDAY. A FIRE WEATHER WATCH HAS ALSO BEEN
ISSUED. THIS FIRE WEATHER WATCH FOR WIND AND LOW RELATIVE
HUMIDITY IS IN EFFECT FROM LATE MONDAY MORNING THROUGH MONDAY
EVENING.

* AFFECTED AREA...FIRE WEATHER ZONES 215...238 AND 239.

* TIMING...11 AM MDT SUNDAY MORNING TO 7 PM MDT SUNDAY EVENING.

* WINDS...WEST 20 TO 30 MPH...WITH GUSTS UP TO 50 MPH ON MONDAY.

* RELATIVE HUMIDITY...AS LOW AS 13 PERCENT.

* IMPACTS...BE EXTREMELY CAREFUL WITH ANYTHING CAPABLE OF 
  PRODUCING A SPARK AND FIRE. CONDITIONS WILL BE FAVORABLE FOR 
  RAPID FIRE GROWTH.

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.

&&

$$

COZ213-161200-
/O.NEW.KBOU.FW.W.0027.161016T1700Z-161017T0100Z/
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
214 PM MDT SAT OCT 15 2016

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM MDT SUNDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR GRAND AND SUMMIT COUNTIES BELOW
9000 FEET...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM 11 AM TO 7 PM MDT SUNDAY.

* AFFECTED AREA...FIRE WEATHER ZONE 213.

* TIMING...11 AM MDT SUNDAY MORNING TO 7 PM MDT SUNDAY EVENING.

* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 45 MPH.

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

* IMPACTS...BE EXTREMELY CAREFUL WITH ANYTHING CAPABLE OF 
  PRODUCING A SPARK AND FIRE. CONDITIONS WILL BE FAVORABLE FOR 
  RAPID FIRE GROWTH.

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.

&&

$$

COZ240-242>245-248>251-161200-
/O.NEW.KBOU.FW.A.0011.161017T1700Z-161018T0300Z/
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-NORTHEAST WELD COUNTY-
CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-LOGAN COUNTY-
WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
214 PM MDT SAT OCT 15 2016

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR DENVER AND
THE NORTHEAST PLAINS OF COLORADO...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A FIRE WEATHER
WATCH FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM MONDAY MORNING THROUGH MONDAY EVENING.

* AFFECTED AREA...FIRE WEATHER ZONES 240...242...243...244... 
  245...248...249...250 AND 251.

* TIMING...LATE MONDAY MORNING THROUGH MONDAY EVENING.

* WINDS...NORTHWEST 20 TO 25 MPH WITH GUSTS UP TO 45 MPH.

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

* IMPACTS...STRONG WINDS COMBINED WITH LOW HUMIDITIES WILL BRING
  CONDITIONS FAVORABLE FOR RAPID GRASSLAND FIRE GROWTH. REFRAIN
  FROM OPEN BURNING UNTIL WINDS SUBSIDE BY TUESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$
3 follow-up statements
278 
WWUS85 KBOU 161116
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
516 AM MDT SUN OCT 16 2016

...EXTENDED PERIOD OF STRONG WINDS AND HIGH FIRE DANGER THROUGH
MONDAY...

.A COMBINATION OF STRONG WINDS...UNSEASONABLY WARM TEMPERATURES
AND LOW RELATIVE HUMIDITIES WILL PRODUCE HIGH FIRE DANGER FOR
TODAY AND MONDAY. THE STRONGER WINDS WILL OCCUR IN AND NEAR THE
MOUNTAINS TODAY...AND THEN SPREAD ACROSS THE REST OF THE PLAINS
MONDAY.

COZ214>216-238-239-241-246-247-161930-
/O.CON.KBOU.FW.W.0027.161016T1700Z-161017T0100Z/
/O.CON.KBOU.FW.A.0011.161017T1700Z-161018T0300Z/
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-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-
516 AM MDT SUN OCT 16 2016

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
7 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
SOUTH PARK...THE SOUTHERN FRONT RANGE FOOTHILLS...AND PALMER
DIVIDE AREA...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
SOUTH PARK...THE SOUTHERN FRONT RANGE FOOTHILLS...AND PALMER
DIVIDE AREA...

* AFFECTED AREA...FIRE WEATHER ZONES 214...215...216...238... 
  239...241...246 AND 247.

* TIMING...11 AM MDT THIS MORNING TO 7 PM MDT THIS EVENING... AND
  THEN AGAIN FROM 11 AM MDT MONDAY MORNING THROUGH 9 PM MDT MONDAY
  EVENING.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 45 MPH.

* RELATIVE HUMIDITY...AS LOW AS 9 PERCENT.

* IMPACTS...BE EXTREMELY CAREFUL WITH ANYTHING CAPABLE OF 
  PRODUCING A SPARK AND FIRE. CONDITIONS WILL BE FAVORABLE FOR 
  RAPID FIRE GROWTH.

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.

&&

$$

COZ213-161930-
/O.CON.KBOU.FW.W.0027.161016T1700Z-161017T0100Z/
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
516 AM MDT SUN OCT 16 2016

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
7 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET...

* AFFECTED AREA...FIRE WEATHER ZONE 213.

* TIMING...11 AM MDT THIS MORNING TO 7 PM MDT THIS EVENING.

* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 45 MPH.

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

* IMPACTS...BE EXTREMELY CAREFUL WITH ANYTHING CAPABLE OF 
  PRODUCING A SPARK AND FIRE. CONDITIONS WILL BE FAVORABLE FOR 
  RAPID FIRE GROWTH.

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.

&&

$$

COZ240-242>245-248>251-161930-
/O.CON.KBOU.FW.A.0011.161017T1700Z-161018T0300Z/
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-NORTHEAST WELD COUNTY-
CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-LOGAN COUNTY-
WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
516 AM MDT SUN OCT 16 2016

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
DENVER AND THE NORTHEAST PLAINS OF COLORADO...

* AFFECTED AREA...FIRE WEATHER ZONES 240...242...243...244... 
  245...248...249...250 AND 251.

* TIMING...LATE MONDAY MORNING THROUGH MONDAY EVENING.

* WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* RELATIVE HUMIDITY...AS LOW AS 16 PERCENT.

* IMPACTS...STRONG WINDS COMBINED WITH LOW HUMIDITIES WILL BRING 
  CONDITIONS FAVORABLE FOR RAPID GRASSLAND FIRE GROWTH. REFRAIN 
  FROM OPEN BURNING UNTIL WINDS SUBSIDE BY TUESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$
337 
WWUS85 KBOU 161623
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1023 AM MDT SUN OCT 16 2016

...EXTENDED PERIOD OF STRONG WINDS AND HIGH FIRE DANGER THROUGH
MONDAY...

.A COMBINATION OF STRONG WINDS...UNSEASONABLY WARM TEMPERATURES
AND LOW RELATIVE HUMIDITIES WILL PRODUCE CRITICAL FIRE DANGER TODAY
AND MONDAY. THE STRONGER WINDS WILL OCCUR IN AND NEAR THE
MOUNTAINS AND PALMER DIVIDE TODAY...AND THEN SPREAD ACROSS THE
REST OF THE PLAINS MONDAY.

COZ214>216-238-239-241-246-247-170030-
/O.CON.KBOU.FW.W.0027.161016T1700Z-161017T0100Z/
/O.CON.KBOU.FW.A.0011.161017T1700Z-161018T0300Z/
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-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-
1023 AM MDT SUN OCT 16 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTH PARK...LOCATIONS IN
AND NEAR THE FRONT RANGE FOOTHILLS...AND PALMER DIVIDE AREA...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM LATE MONDAY MORNING
THROUGH MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
SOUTH PARK...LOCATIONS IN AND NEAR THE FRONT RANGE
FOOTHILLS...AND PALMER DIVIDE AREA...

* AFFECTED AREA...FIRE WEATHER ZONES 214...215...216...238... 
  239...241...246 AND 247.

* TIMING...11 AM MDT THIS MORNING TO 7 PM MDT THIS EVENING... 
  AND THEN AGAIN FROM 11 AM MDT MONDAY MORNING THROUGH 9 PM MDT 
  MONDAY EVENING.

* WINDS...WEST 15 TO 25 MPH WITH GUSTS TO 45 MPH TODAY...
  INCREASING TO 20 TO 30 MPH WITH GUSTS UP TO 50 MPH MONDAY.

* RELATIVE HUMIDITY...AS LOW AS 9 PERCENT...AND AS LOW AS 13
  PERCENT MONDAY.

* IMPACTS...BE EXTREMELY CAREFUL WITH ANYTHING CAPABLE OF 
  PRODUCING A SPARK AND FIRE. CONDITIONS WILL BE FAVORABLE FOR 
  RAPID FIRE GROWTH.

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.

&&

$$

COZ213-170030-
/O.CON.KBOU.FW.W.0027.161016T1700Z-161017T0100Z/
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
1023 AM MDT SUN OCT 16 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR GRAND AND SUMMIT COUNTIES
BELOW 9000 FEET...

* AFFECTED AREA...FIRE WEATHER ZONE 213.

* TIMING...11 AM MDT THIS MORNING TO 7 PM MDT THIS EVENING.

* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 45 MPH.

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

* IMPACTS...BE EXTREMELY CAREFUL WITH ANYTHING CAPABLE OF 
  PRODUCING A SPARK AND FIRE. CONDITIONS WILL BE FAVORABLE FOR 
  RAPID FIRE GROWTH.

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.

&&

$$

COZ240-242>245-248>251-170030-
/O.CON.KBOU.FW.A.0011.161017T1700Z-161018T0300Z/
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-NORTHEAST WELD COUNTY-
CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-LOGAN COUNTY-
WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
1023 AM MDT SUN OCT 16 2016

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM LATE MONDAY MORNING
THROUGH MONDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
DENVER AND THE NORTHEAST PLAINS OF COLORADO...

* AFFECTED AREA...FIRE WEATHER ZONES 240...242...243...244... 
  245...248...249...250 AND 251.

* TIMING...LATE MONDAY MORNING THROUGH MONDAY EVENING.

* WINDS...NORTHWEST INCREASING TO 20 TO 30 MPH WITH GUSTS UP TO
  45 MPH.

* RELATIVE HUMIDITY...AS LOW AS 14 PERCENT.

* IMPACTS...STRONG WINDS COMBINED WITH LOW HUMIDITIES WILL BRING 
  CONDITIONS FAVORABLE FOR RAPID GRASSLAND FIRE GROWTH. REFRAIN 
  FROM OPEN BURNING UNTIL WINDS SUBSIDE BY TUESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$
427 
WWUS85 KBOU 162051
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
251 PM MDT SUN OCT 16 2016

...EXTENDED PERIOD OF STRONG WINDS AND HIGH FIRE DANGER THROUGH
MONDAY...

.A COMBINATION OF STRONG WINDS...UNSEASONABLY WARM TEMPERATURES
AND LOW RELATIVE HUMIDITIES WILL PRODUCE CRITICAL FIRE DANGER
THIS AFTERNOON THEN AGAIN ON MONDAY. THE STRONGER WINDS WILL
OCCUR IN AND NEAR THE MOUNTAINS AND PALMER DIVIDE THIS AFTERNOON
...AND THEN SPREAD ACROSS THE REST OF THE PLAINS MONDAY.

COZ214>216-238-239-241-246-247-170500-
/O.UPG.KBOU.FW.A.0011.161017T1700Z-161018T0300Z/
/O.NEW.KBOU.FW.W.0028.161017T1700Z-161018T0300Z/
/O.CON.KBOU.FW.W.0027.000000T0000Z-161017T0100Z/
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-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-
251 PM MDT SUN OCT 16 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTH PARK...LOCATIONS IN
AND NEAR THE FRONT RANGE FOOTHILLS...AND PALMER DIVIDE AREA...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM MDT MONDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FRONT RANGE FOOTHILLS...SOUTH
PARK AND PALMER DIVIDE AREA...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM 11 AM TO 9 PM MDT MONDAY. THE FIRE WEATHER WATCH IS NO
LONGER IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONES 214...215...216...238... 
  239...241...246 AND 247.

* TIMING...THE RED FLAG WARNING WILL BE IN EFFECT UNTIL 7 PM THIS
  EVENING...AGAIN FROM 11 AM MDT MONDAY MORNING THROUGH 9 PM MDT
  MONDAY EVENING.

* WINDS...WEST WIND 15 TO 25 MPH WITH GUSTS TO 45 MPH THIS
  AFTERNOON THEN WEST WINDS 20 TO 30 MPH WITH GUSTS UP TO 50 MPH
  ON MONDAY.

* RELATIVE HUMIDITY...AS LOW AS 9 PERCENT...AND AS LOW AS 13
  PERCENT ON MONDAY.

* IMPACTS...BE EXTREMELY CAREFUL WITH ANYTHING CAPABLE OF 
  PRODUCING A SPARK AND FIRE. CONDITIONS WILL BE FAVORABLE FOR 
  RAPID FIRE GROWTH.

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.

&&

$$

COZ240-242>245-248>251-170500-
/O.UPG.KBOU.FW.A.0011.161017T1700Z-161018T0300Z/
/O.NEW.KBOU.FW.W.0028.161017T1700Z-161018T0300Z/
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-NORTHEAST WELD COUNTY-
CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-LOGAN COUNTY-
WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
251 PM MDT SUN OCT 16 2016

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM MDT MONDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR DENVER AND THE NORTHEAST
PLAINS OF COLORADO...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM 11 AM TO 9 PM MDT MONDAY. THE FIRE WEATHER WATCH IS NO
LONGER IN EFFECT.

* AFFECTED AREA...FIRE WEATHER ZONES 240...242...243...244... 
  245...248...249...250 AND 251.

* TIMING...LATE MONDAY MORNING THROUGH MONDAY EVENING.

* WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 45 MPH.

* RELATIVE HUMIDITY...AS LOW AS 16 PERCENT.

* IMPACTS...STRONG WINDS COMBINED WITH LOW HUMIDITIES WILL BRING 
  CONDITIONS FAVORABLE FOR RAPID GRASSLAND FIRE GROWTH. REFRAIN 
  FROM OPEN BURNING UNTIL WINDS SUBSIDE BY TUESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EXPECTED TO OCCUR. A COMBINATION OF STRONG WINDS...LOW
RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO
EXTREME FIRE BEHAVIOR.

&&

$$

COZ213-170100-
/O.CON.KBOU.FW.W.0027.000000T0000Z-161017T0100Z/
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
251 PM MDT SUN OCT 16 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR GRAND AND SUMMIT COUNTIES
BELOW 9000 FEET...

* AFFECTED AREA...FIRE WEATHER ZONE 213.

* TIMING...STRONG WINDS POSSIBLE UNTIL 7 PM MDT THIS EVENING.

* WINDS...SOUTHWEST 15 TO 20 MPH WITH GUSTS UP TO 35 MPH.

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

* IMPACTS...BE EXTREMELY CAREFUL WITH ANYTHING CAPABLE OF 
  PRODUCING A SPARK AND FIRE. CONDITIONS WILL BE FAVORABLE FOR 
  RAPID FIRE GROWTH.

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.

&&

$$

What forecasters said that day

The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Denver/Boulder, CO wrote its last area forecast discussion before this red flag warning went out at Oct 15, 10:34 AM MDT, 3 hours 40 minutes earlier.

Area forecast discussion, Oct 15, 10:34 AM MDT, 3 hours 40 minutes before
Area Forecast Discussion
National Weather Service Denver/Boulder CO
1034 AM MDT Sat Oct 15 2016

.UPDATE...
Issued at 1018 AM MDT Sat Oct 15 2016

Latest RAP13 soundings indicate warmer temperatures this aftn
what is currently in the grids...so have bumped up the max
temperatures today by another 3 degrees or so. Also winds east
of I-25 may have more of an easterly component to them so have
adjusted those as well for this afternoon.

&&

.SHORT TERM...(Today and tonight)
Issued at 225 AM MDT Sat Oct 15 2016

Westerly flow aloft will increase through the day as a shortwave
moves over the Northern Rockies early this morning with continued
upper jet interaction. With the jet over the region winds will
increase over the higher terrain through the morning and stay
elevated into Saturday afternoon when the jet lifts north. Wind
gusts from 45 to 50 mph will be possible at higher elevations
through the afternoon. Satellite shows moisture upstream that
could combine with increased westerly flow over the divide to
provide some clouds by morning into the early afternoon. Behind
the shortwave increasing subsidence will help to scatter out
conditions for the afternoon and evening. Short term models are
showing cooler air behind the shortwave so lowered temperatures a
few degrees but highs will still be in the lower 80s.

For Saturday night the gradient will loosen helping to decrease
winds in the mountains with partly cloudy skies as drier air moves
in from the SW. Temperatures will cool into the mid to upper 40s
overnight.

.LONG TERM...(Sunday through Friday)
Issued at 225 AM MDT Sat Oct 15 2016

WSW flow aloft will increase on Sun with sfc low pres over ern CO.
Thus it will be another dry day with high fire danger fm the
foothills across portions of the plains.  Highs will be in the 80s
across the plains.

On Mon the flow aloft will become more wly.  Cross-sections show
some increase in moisture by aftn in the nrn mtns north of I-70.
There is a weak disturbance embedded in the flow which could lead to
a chc of showers especially in mtn zns 31 and 33 Mon aftn into early
Mon evening.  Elsewhere it will remain dry with windy conditions
along with high fire danger once again fm the foothills across the
plains.  Highs may end up being 8 to 10 degrees cooler over the
plains as a pacific fnt moves across in the aftn hours.

For Tue rather stg wsw flow aloft will be over the area as sfc low
pres dvlps over srn CO.  There will be some increase in mid lvl
moisture by aftn and as some mid lvl ascent moves into the mtns
there will be chc of showers.  Over nern CO it looks dry although
highs will be cooler as readings drop into the 60s as 850-700 mb
temps drop around 7 degrees c as a secondary cool fnt affects the
area.

By Tue night into Wed both the ECMWF and GFS show an upper level
trough moving across the rgn.  QG fields show favorable ascent along
with increasing moisture.  Thus should see a good chance of snow in
the mtns. Across nern CO another fnt will move across late Tue
night into Wed morning with some upslope flow developing. Thus may
see a chc of showers across the plains. Highs on Wed will drop
back into the 50s over nern CO.

For Wed night into Thu there are some substantial differences
between the ECMWF and GFS.  The ECMWF begins to build an upper level
ridge across the area as the upper level trough moves eastward.
Meanwhile the GFS shows a secondary stronger upper level trough
moving into the area fm the northwest.  This far out really hard to
say which solution is the best although the Canadian Model favors
the ECMWF at this point.  For now will just keep chc pops in the
mtns with a slight chc over the plains with blo normal temps.

By Fri an upper level ridge will dvlp over the area with dry
conditions and warmer temps.

&&

.AVIATION...(For the 18Z TAFS through 18Z Sunday afternoon)
Issued at 1018 AM MDT Sat Oct 15 2016

Lgt southwest winds at KDEN this morning are progged to become
southeasterly this afternoon. Easterly winds at KBJC may persist
until mid afternoon then go westerly...with west/southwest winds
at KAPA. VFR conditions with no restrictions over the next 24 hrs.
drainage winds this evening...with generally prevailing
west/southwest winds expected for Sunday.

&&

.FIRE WEATHER...
Issued at 225 AM MDT Sat Oct 15 2016

Winds will be higher in the mountains today but RH values are
within thresholds so no highlights at this time...For the plains
conditions will continue to dry through the period with
gusty west/southwest winds to 20 kts. Fire danger will be elevated
but sfc winds to not appear strong enough this aftn to warrant
fire weather highlights.

On Sunday...the fire danger will increase across the Foothills...
South Park...Palmer Divide and ecntrl Plains warm temperatures...
to gusty southwest winds and low humidity values which currently
has a Fire Weather Watch in place. This may need to be extended
further north and east...will address this in the issuance of the
aftn package.

&&

.BOU WATCHES/WARNINGS/ADVISORIES...
Fire Weather Watch from Sunday morning through Sunday evening
for COZ214-216-241-246-247.

&&

UPDATE...Cooper
SHORT TERM...Bowen
LONG TERM...RPK
AVIATION...Cooper
FIRE WEATHER...Bowen/RPK
Hazardous weather outlook, Oct 15, 11:24 AM MDT, 2 hours 50 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1124 AM MDT SAT OCT 15 2016

COZ030>051-161730-
JACKSON COUNTY BELOW 9000 FEET-
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-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-
CENTRAL AND SOUTHEAST PARK COUNTY-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
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-
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-
1124 AM MDT SAT OCT 15 2016

...DRY AND BREEZY WITH UNSEASONABLY WARM TEMPERATURES THIS
AFTERNOON...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL
COLORADO.

.DAY ONE...TODAY AND TONIGHT

ANOTHER DRY AFTERNOON WITH NEAR RECORD HIGH TEMPERATURES
EXPECTED. GUSTY WEST TO SOUTHWEST WINDS 15 TO 25 MPH WILL OCCUR IN
THE MOUNTAINS AND FOOTHILLS...WITH GUSTS IN THE 40 TO 45 MPH RANGE
ABOVE TIMBERLINE. AS A RESULT...THE FIRE DANGER WILL BE ELEVATED.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

FIRE DANGER WILL BE HIGHER ON SUNDAY WITH MUCH ABOVE NORMAL
TEMPERATURES...VERY LOW HUMIDITIES...AND BREEZY CONDITIONS.
CRITICAL FIRE DANGER CONDITIONS MAY DEVELOP FROM PARK COUNTY AND
THE FRONT RANGE FOOTHILLS EASTWARD ONTO THE PALMER DIVIDE WHERE
WIND GUSTS UP TO 35 MPH WILL BE POSSIBLE DURING THE AFTERNOON.

WINDS ARE EXPECTED TO STRENGTHEN MONDAY AFTERNOON OR EVENING WITH
THE PASSAGE OF A COLD FRONT. FIRE DANGER MAY INCREASE FURTHER AT
THAT TIME. THERE WILL BE A BETTER CHANCE OF RAIN AND SNOW SHOWERS
IN THE HIGH COUNTRY WITH THIS WEATHER SYSTEM MONDAY AFTERNOON INTO
MONDAY EVENING. LOWER ELEVATIONS MAY ALSO SEE A CHANCE OF
PRECIPITATION BY LATE TUESDAY OR WEDNESDAY AS ANOTHER DISTURBANCE
MOVES TOWARD THE REGION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 15, 1:52 PM MDTHigh Wind WatchBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more25 hr
Oct 15, 2:14 PM MDTFire Weather WatchBOUAdams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 13 more25 hr

Nearby

Red Flag Warnings in Colorado, 2016Every red flag warning in 2016

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.