Alert archive / Colorado / Red Flag Warnings in 2016

Red Flag Warning 28, NWS Denver/Boulder, CO

October 16, 201621 counties in Colorado

NWS Denver/Boulder, CO issued this red flag warning at Oct 16, 2016, 2:51 PM MDT for 21 counties in Colorado. It took effect at Oct 17, 2016, 11:00 AM MDT. It was in force for 8 hr. 6 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
Oct 16, 2016, 2:51 PM MDT (20:51 UTC)
In effect from
Oct 17, 2016, 11:00 AM MDT
Expired
Oct 17, 2016, 7:16 PM MDT
In force
8 hr
Issued by
NWS Denver/Boulder, CO
All 21 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, Grand 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, Summit County, CO, Washington County, CO, Weld County, CO

The radar

The Denver radar (KFTG), 16 km from the middle of the area, began a volume at 20:52 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
Oct 17, 12:45 PM MDTNON-TSTM WND GST 658 W Greeley, CO
Oct 17, 1:15 PM MDTNON-TSTM WND GST 626 Ene Greeley, CO
Oct 17, 1:30 PM MDTNON-TSTM WND DMGN Greeley, COPOWER LINES DOWN DUE TO STRONG WINDS
Oct 17, 1:58 PM MDTNON-TSTM WND GST 72Berthoud Pass, CO
Oct 17, 2:38 PM MDTNON-TSTM WND GST 66Greeley, CO
Oct 17, 5:00 PM MDTNON-TSTM WND GST 62Fort Morgan, 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 (KDEN), launched 12:00Z, 8.9 hours before the alert went out and 113 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 2016-10-16Temperature 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 2016-10-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 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
3622 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
174 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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.

&&

$$
5 follow-up statements
669 
WWUS85 KBOU 170325
RFWBOU

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

...EXTENDED PERIOD OF STRONG WINDS AND HIGH FIRE DANGER ARE
EXPECTED ON MONDAY...

.A COMBINATION OF STRONG WINDS...ABOVE NORMAL TEMPERATURES AND
LOW RELATIVE HUMIDITIES WILL PRODUCE CRITICAL FIRE DANGER ON
MONDAY. STRONG WINDS AREA EXPECTED ACROSS THE MOUNTAINS...
FOOTHILLS AND PLAINS OF NORTHEAST COLORADO ON MONDAY.

COZ214>216-238>251-171230-
/O.CON.KBOU.FW.W.0028.161017T1700Z-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-
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-
925 PM MDT SUN OCT 16 2016

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

* AFFECTED AREA...FIRE WEATHER ZONES 214...215...216...238... 
  239...240...241...242...243...244...245...246...247...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 12 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.

&&

$$
107 
WWUS85 KBOU 171029
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
429 AM MDT MON OCT 17 2016

...EXTENDED PERIOD OF STRONG WINDS AND HIGH FIRE DANGER ARE
EXPECTED TODAY...

.A COMBINATION OF STRONG WINDS...ABOVE NORMAL TEMPERATURES AND
LOW RELATIVE HUMIDITIES WILL PRODUCE CRITICAL FIRE DANGER ON
MONDAY. STRONG WINDS AREA EXPECTED ACROSS THE MOUNTAINS...
FOOTHILLS AND PLAINS OF NORTHEAST COLORADO ON MONDAY.

COZ213-171830-
/O.EXA.KBOU.FW.W.0028.161017T1700Z-161018T0300Z/
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
429 AM MDT MON OCT 17 2016

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 9 PM MDT
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE HIGHER
VALLEYS...

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 THIS MORNING TO 9 PM MDT THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONE 213.

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

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


&&

$$

COZ214>216-238>251-171830-
/O.CON.KBOU.FW.W.0028.161017T1700Z-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-
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-
429 AM MDT MON OCT 17 2016

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

* AFFECTED AREA...FIRE WEATHER ZONES 214...215...216...238... 
  239...240...241...242...243...244...245...246...247...248...
  249... 250 AND 251.

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

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

* RELATIVE HUMIDITY...AS LOW AS 13 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.

&&

$$
201 
WWUS85 KBOU 171802
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1202 PM MDT MON OCT 17 2016


COZ214>216-238>251-180300-
/O.CON.KBOU.FW.W.0028.000000T0000Z-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-
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-
1202 PM MDT MON OCT 17 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR DENVER AND THE NORTHEAST
PLAINS OF COLORADO...

* AFFECTED AREA...FIRE WEATHER ZONES 214...215...216...238... 
  239...240...241...242...243...244...245...246...247...248...
  249... 250 AND 251.

* TIMING...THROUGH 9 PM MDT THIS EVENING.

* WINDS...WEST TO NORTHWEST 15 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* RELATIVE HUMIDITY...11 TO 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 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.

&&

$$

COZ213-180300-
/O.CON.KBOU.FW.W.0028.000000T0000Z-161018T0300Z/
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
1202 PM MDT MON OCT 17 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR THE HIGHER VALLEYS...

* AFFECTED AREA...FIRE WEATHER ZONE 213.

* TIMING...CONDITIONS WILL PERSIST THROUGH 9 PM MDT THIS EVENING.

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

* RELATIVE HUMIDITY...20 TO 23 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.

&&

$$
990 
WWUS85 KBOU 172150
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
350 PM MDT MON OCT 17 2016


COZ214>216-238>251-180300-
/O.CON.KBOU.FW.W.0028.000000T0000Z-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-
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-
350 PM MDT MON OCT 17 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTH PARK...THE FRONT
RANGE FOOTHILLS...PALMER DIVIDE AND NORTHEAST PLAINS...

* AFFECTED AREA...FIRE WEATHER ZONES 214...215...216...238... 
  239...240...241...242...243...244...245...246...247...248...
  249... 250 AND 251.

* TIMING...THROUGH 9 PM MDT THIS EVENING.

* WINDS...NORTH TO NORTHWEST 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.
  STRONGEST IN THE FOOTHILLS OF BOULDER AND LARIMER COUNTIES AND
  THE NORTHEAST PLAINS ALONG AND SOUTH OF THE CHEYENNE RIDGE. 

* RELATIVE HUMIDITY...13-17 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.

&&

$$

COZ213-180300-
/O.CON.KBOU.FW.W.0028.000000T0000Z-161018T0300Z/
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
350 PM MDT MON OCT 17 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR MIDDLE PARK...

* AFFECTED AREA...FIRE WEATHER ZONE 213.

* TIMING...CONDITIONS WILL PERSIST THROUGH 9 PM MDT THIS EVENING.

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

* RELATIVE HUMIDITY...AS LOW AS 20 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.

&&

$$
493 
WWUS85 KBOU 180116
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
716 PM MDT MON OCT 17 2016

COZ213>216-238>251-180230-
/O.CAN.KBOU.FW.W.0028.000000T0000Z-161018T0300Z/
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
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-
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-
716 PM MDT MON OCT 17 2016

...RED FLAG WARNING IS CANCELLED FOR SOUTH PARK...THE FRONT RANGE
FOOTHILLS...PALMER DIVIDE AND NORTHEAST PLAINS...

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

HUMIDITIES HAVE INCREASED BEHIND A COLD FRONT. WINDS HAVE
DIMINISHED IN SOME AREAS...WHILE STRONG WINDS GUSTING TO 40 MPH 
NORTHEAST OF A LINE FROM GREELEY TO LIMON WILL GRADUALLY DIMINISH
THIS EVENING.

$$

GIMMESTAD

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 16, 2:50 PM MDTHigh Wind WarningBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more24 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.