Alert archive / Colorado / Red Flag Warnings in 2016

Red Flag Warning 30, NWS Denver/Boulder, CO

November 16, 201612 counties in Colorado

NWS Denver/Boulder, CO issued this red flag warning at Nov 16, 2016, 1:48 AM MST for 12 counties in Colorado. It took effect at Nov 16, 2016, 10:00 AM MST. 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
Nov 16, 2016, 1:48 AM MST (08:48 UTC)
In effect from
Nov 16, 2016, 10:00 AM MST
Expired
Nov 16, 2016, 6:00 PM MST
In force
8 hr
Issued by
NWS Denver/Boulder, CO

Counties Arapahoe County, CO, Boulder 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

The radar

The Denver radar (KFTG), 55 km from the middle of the area, began a volume at 08:51 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 00:00Z, 8.8 hours before the alert went out and 168 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 00:00Z on 2016-11-16Temperature 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 00:00Z on 2016-11-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 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
3982 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
288 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

230 
WWUS85 KBOU 160848
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
148 AM MST WED NOV 16 2016

...FIRE DANGER INCREASES TODAY...

.STRONGER SOUTHWEST FLOW ALOFT COMBINED WITH RECORD WARMTH AND A
VERY DRY ATMOSPHERE WILL BRING HIGH FIRE DANGER TO PORTIONS OF
COLORADO TODAY. THE HIGHEST FIRE DANGER WILL DEVELOP WHERE WINDS
WILL BE STRONGEST AND HUMIDITIES LOWEST...FROM THE FRONT RANGE 
FOOTHILLS SOUTHWARD ACROSS THE PALMER DIVIDE AREA, PARK COUNTY, 
AND THEN INTO SOUTHEAST COLORADO.

COZ213>216-241-246-247-161900-
/O.NEW.KBOU.FW.W.0030.161116T1700Z-161117T0100Z/
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-
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-
148 AM MST WED NOV 16 2016

...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM MST
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE FRONT
RANGE FOOTHILLS...PALMER DIVIDE AREA...AND SOUTH AND MIDDLE PARKS...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM 10 AM THIS MORNING TO 6 PM MST THIS EVENING.

* AFFECTED AREA...FIRE WEATHER ZONES 213...214...215...216... 
  241...246 AND 247.

* TIMING...WINDS WILL INCREASE THIS MORNING AND REMAIN GUSTY
  THROUGH THE AFTERNOON. CRITICAL FIRE CONDITIONS WILL REMAIN IN
  PLACE UNTIL WINDS SUBSIDE AROUND DARK.

* WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS AROUND 35 MPH. 

* RELATIVE HUMIDITY...AS LOW AS 8 PERCENT.

* IMPACTS...GUSTY WINDS COMBINED WITH VERY WARM AND DRY CONDITIONS
  AS OF LATE WILL CREATE CONDITIONS FAVORABLE FOR RAPID WILDFIRE 
  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.

&&

$$
2 follow-up statements
308 
WWUS85 KBOU 161800
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1100 AM MST WED NOV 16 2016

...FIRE DANGER INCREASES TODAY...

.STRONGER SOUTHWEST FLOW ALOFT COMBINED WITH RECORD WARMTH AND A
VERY DRY ATMOSPHERE WILL BRING HIGH FIRE DANGER TO PORTIONS OF
COLORADO TODAY. THE HIGHEST FIRE DANGER WILL DEVELOP WHERE WINDS
WILL BE STRONGEST AND HUMIDITIES LOWEST...FROM THE FRONT RANGE
FOOTHILLS SOUTHWARD ACROSS THE PALMER DIVIDE AREA, PARK COUNTY,
AND THEN INTO SOUTHEAST COLORADO.

COZ213>216-241-246-247-170100-
/O.CON.KBOU.FW.W.0030.000000T0000Z-161117T0100Z/
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-
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-
1100 AM MST WED NOV 16 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR THE FRONT RANGE
FOOTHILLS...PALMER DIVIDE AREA...AND SOUTH AND MIDDLE PARKS...

* AFFECTED AREA...FIRE WEATHER ZONES 213...214...215...216... 
  241...246 AND 247.

* TIMING...WINDS WILL INCREASE THIS MORNING AND REMAIN GUSTY 
  THROUGH THE AFTERNOON. CRITICAL FIRE CONDITIONS WILL REMAIN IN 
  PLACE UNTIL WINDS SUBSIDE AROUND DARK.

* WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITY...AS LOW AS 8 PERCENT.

* IMPACTS...GUSTY WINDS COMBINED WITH VERY WARM AND DRY 
  CONDITIONS AS OF LATE WILL CREATE CONDITIONS FAVORABLE FOR 
  RAPID WILDFIRE 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.

&&

$$
845 
WWUS85 KBOU 170105
RFWBOU

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
605 PM MST WED NOV 16 2016

COZ213>216-241-246-247-170215-
/O.EXP.KBOU.FW.W.0030.000000T0000Z-161117T0100Z/
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-
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-
605 PM MST WED NOV 16 2016

...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE
HUMIDITY FOR THE FRONT RANGE FOOTHILLS...PALMER DIVIDE AREA...AND
SOUTH AND MIDDLE PARKS. 
 
...WINDS CONTINUE TO DIMINISH EARLY THIS EVENING ALONG WITH A SLOW
RECOVERY OF HUMIDITY. 


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 16, 3:38 PM MSTWinter Weather AdvisoryBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more36 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.