Alert archive / Colorado / Red Flag Warnings in 2011
Red Flag Warning 5, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this red flag warning at Mar 19, 2011, 4:16 AM MDT for 5 counties in Colorado. It took effect at Mar 19, 2011, 12:00 PM MDT. It was in force for 7 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
- Mar 19, 2011, 4:16 AM MDT (10:16 UTC)
- In effect from
- Mar 19, 2011, 12:00 PM MDT
- Expired
- Mar 19, 2011, 7:00 PM MDT
- In force
- 7 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Adams County, CO, Arapahoe County, CO, Douglas County, CO, Elbert County, CO, Lincoln County, CO
The radar
The Denver radar (KFTG), 47 km from the middle of the area, began a volume at 10:19 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 00:00Z, 10.3 hours before the alert went out and 100 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2227 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
169 WWUS85 KBOU 191016 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 416 AM MDT SAT MAR 19 2011 ...DRY AND WINDY TODAY... .WARM TEMPERATURES WILL COMBINE WITH STRONG SOUTH TO SOUTHWEST WINDS AND LOW HUMIDITIES TO CREATE VERY HIGH FIRE DANGER OVER THE PALMER DIVIDE REGION TODAY. A RED FLAG WARNING HAS BEEN ISSUED FOR THE AREAS WITH THE HIGHEST FIRE DANGER SOUTH AND EAST OF DENVER. IT WILL ALSO BE DRY AND WINDY IN SURROUNDING AREAS...BUT THE OTHER AREAS EITHER HAVE HIGHER HUMIDITIES OR HAD RECENT SNOWFALL. PLANNED BURNING IN THESE AREAS SHOULD BE DELAYED IF POSSIBLE...AND EXTRA CAUTION SHOULD BE USED WITH POTENTIAL SOURCES OF IGNITION SUCH AS WELDING TORCHES OR OFF ROAD VEHICLES. SOME LOCAL GOVERNMENTS RESTRICT BURNING WHEN A RED FLAG WARNING IS IN EFFECT...CHECK WITH YOUR LOCAL FIRE OR LAW ENFORCEMENT AGENCIES FOR DETAILS. COZ241-245>247-200100- /O.NEW.KBOU.FW.W.0005.110319T1800Z-110320T0100Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- 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- 416 AM MDT SAT MAR 19 2011 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 241...245...246 AND 247... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 241...CASTLE ROCK... ELBERT...FONDIS...KIOWA...LARKSPUR...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. * TIMING...STRONG WINDS AND LOW HUMIDITIES WILL BECOME WIDESPREAD BY NOON...WITH CONDITIONS IMPROVING DURING THE EARLY EVENING. * WIND...SOUTH WINDS AT 15 TO 25 MPH WITH GUSTS TO 40 MPH. * HUMIDITY...MINIMUM HUMIDITIES OF 8 TO 15 PERCENT. * IMPACTS...FIRE DANGER WILL BECOME VERY HIGH THIS AFTERNOON. FIRES WILL IGNITE EASILY AND SPREAD QUICKLY. 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. && $$ GIMMESTAD
4 follow-up statements
177 WWUS85 KBOU 191732 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1132 AM MDT SAT MAR 19 2011 ...ANOTHER VERY DRY...WARM AND WINDY DAY FOR PARTS OF EAST CENTRAL COLORADO... .ABOVE NORMAL TEMPERATURES...GUSTY SOUTH TO SOUTHWEST AND VERY LOW RELATIVE HUMIDITY WILL COMBINE WITH DRY FUELS TO CREATE CRITICAL WILDLAND FIRE DANGER MAINLY ALONG THE PALMER DIVIDE EAST TO LINCOLN COUNTY AND ACROSS EASTERN PORTIONS OF ADAMS AND ARAPAHOE COUNTIES TODAY. THE HIGHER TERRAIN TO THE WEST AND SOUTHWEST OF DENVER WILL ALSO SEE WARM AND GUSTY WINDS TODAY...POSSIBLY AS STRONG AS 35 TO 45 MPH...BUT FUELS IN THESE AREAS ARE RELATIVELY WET DUE TO THE RECENT SNOWFALL. PRESCIBE BURNING IN AREAS UNDER THIS RED FLAG WARNING SHOULD BE POSTPONED...AND EXTRA CARE SHOULD BE TAKEN WHEN USING POTENTIAL SOURCES OF IGNITION SUCH AS FIRE PITS...BAR-BE- QUES...WELDING TORCHES AND WHEN OFF ROADING. SOME LOCAL GOVERNMENTS RESTRICT BURNING WHEN A RED FLAG WARNING IS IN EFFECT. CHECK WITH YOUR LOCAL FIRE OR LAW ENFORCEMENT AGENCIES FOR DETAILS. COZ241-245>247-200100- /O.CON.KBOU.FW.W.0005.110319T1800Z-110320T0100Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- 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- 1132 AM MDT SAT MAR 19 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 241... 245...246 AND 247... * AFFECTED AREA...FIRE WEATHER ZONE 241...CASTLE ROCK... ELBERT...FONDIS...KIOWA...LARKSPUR...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. * TIMING...GUSTY WINDS AND VERY LOW HUMIDITIES ARE LIKELY THIS AFTERNOON...BUT BY EARLY THIS EVENING WIND SPEEDS WILL BEGIN TO DECREASE AS RELATIVE HUMIDITIES RISE. * WIND...SOUTH TO SOUTHWEST WINDS OF 15 TO 25 MPH WILL BE COMMON BY EARLY THIS AFTERNOON...WITH THE POSSIBILITY OF HIGHER GUSTS TO 40 MPH BY MID-AFTERNOON. * HUMIDITY...RELATIVE HUMIDITY VALUES WILL LOWER TO 7 TO 15 PERCENT THIS AFTERNOON DURING MAXIMUM HEATING. * IMPACTS...THE GUSTY WINDS AND VERY LOW HUMIDITIES WILL PRODUCE FAVORABLE CONDITIONS FOR THE GROWTH AND SPREAD OF WILDFIRE THROUGH VERY DRY AND 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. && $$ BAKER
690 WWUS85 KBOU 191734 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1134 AM MDT SAT MAR 19 2011 ...CORRECTION FOR MISSING WORD IN THE FIRST PARAGRAPH... ...ANOTHER VERY DRY...WARM AND WINDY DAY FOR PARTS OF EAST CENTRAL COLORADO... .ABOVE NORMAL TEMPERATURES...GUSTY SOUTH TO SOUTHWEST WINDS AND VERY LOW RELATIVE HUMIDITY WILL COMBINE WITH DRY FUELS TO CREATE CRITICAL WILDLAND FIRE DANGER MAINLY ALONG THE PALMER DIVIDE EAST TO LINCOLN COUNTY AND ACROSS EASTERN PORTIONS OF ADAMS AND ARAPAHOE COUNTIES TODAY. THE HIGHER TERRAIN TO THE WEST AND SOUTHWEST OF DENVER WILL ALSO SEE WARM AND GUSTY WINDS TODAY... POSSIBLY AS STRONG AS 35 TO 45 MPH...BUT FUELS IN THESE AREAS ARE RELATIVELY WET DUE TO THE RECENT SNOWFALL. PRESCIBE BURNING IN AREAS UNDER THIS RED FLAG WARNING SHOULD BE POSTPONED...AND EXTRA CARE SHOULD BE TAKEN WHEN USING POTENTIAL SOURCES OF IGNITION SUCH AS FIRE PITS...BAR-BE- QUES...WELDING TORCHES AND WHEN OFF ROADING. SOME LOCAL GOVERNMENTS RESTRICT BURNING WHEN A RED FLAG WARNING IS IN EFFECT. CHECK WITH YOUR LOCAL FIRE OR LAW ENFORCEMENT AGENCIES FOR DETAILS. COZ241-245>247-200100- /O.CON.KBOU.FW.W.0005.110319T1800Z-110320T0100Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- 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- 1134 AM MDT SAT MAR 19 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 241... 245...246 AND 247... * AFFECTED AREA...FIRE WEATHER ZONE 241...CASTLE ROCK... ELBERT...FONDIS...KIOWA...LARKSPUR...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. * TIMING...GUSTY WINDS AND VERY LOW HUMIDITIES ARE LIKELY THIS AFTERNOON...BUT BY EARLY THIS EVENING WIND SPEEDS WILL BEGIN TO DECREASE AS RELATIVE HUMIDITIES RISE. * WIND...SOUTH TO SOUTHWEST WINDS OF 15 TO 25 MPH WILL BE COMMON BY EARLY THIS AFTERNOON...WITH THE POSSIBILITY OF HIGHER GUSTS TO 40 MPH BY MID-AFTERNOON. * HUMIDITY...RELATIVE HUMIDITY VALUES WILL LOWER TO 7 TO 15 PERCENT THIS AFTERNOON DURING MAXIMUM HEATING. * IMPACTS...THE GUSTY WINDS AND VERY LOW HUMIDITIES WILL PRODUCE FAVORABLE CONDITIONS FOR THE GROWTH AND SPREAD OF WILDFIRE THROUGH VERY DRY AND 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. && $$
595 WWUS85 KBOU 192149 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 349 PM MDT SAT MAR 19 2011 COZ241-245>247-200100- /O.CON.KBOU.FW.W.0005.000000T0000Z-110320T0100Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- 349 PM MDT SAT MAR 19 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 241... 245...246 AND 247... * AFFECTED AREA...FIRE WEATHER ZONE 241...CASTLE ROCK... ELBERT...FONDIS...KIOWA...LARKSPUR...FIRE WEATHER ZONE 245... BENNETT...BYERS...DEER TRAIL...LEADER...FIRE WEATHER ZONE 246... AGATE...HUGO...LIMON...MATHESON...FIRE WEATHER ZONE 247... FORDER...KARVAL...KUTCH...PUNKIN CENTER. * TIMING...GUSTY SOUTHWEST WINDS AND VERY LOW HUMIDITIES LATE THIS AFTERNOON...WILL TRANSITION TO LIGHTER WINDS AND HIGHER HUMIDITIES THIS EVENING. * WIND...SOUTH TO SOUTHWEST WINDS OF 15 TO 25 MPH AND GUSTS TO 40 MPH FOR THE REST OF THIS AFTERNOON...WILL DECREASE TO UNDER 20 MPH THIS EVENING. * HUMIDITY...RELATIVE HUMIDITY VALUES OF 8 TO 15 PERCENT THIS AFTERNOON WILL RISE TO ABOVE 25 PERCENT IN THE EVENING. * IMPACTS...THE GUSTY WINDS AND VERY LOW HUMIDITIES WILL PRODUCE FAVORABLE CONDITIONS FOR THE GROWTH AND SPREAD OF WILDFIRE THROUGH VERY DRY AND CURED FUELS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ BAKER
414 WWUS85 KBOU 200105 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 705 PM MDT SAT MAR 19 2011 COZ241-245>247-200215- /O.EXP.KBOU.FW.W.0005.000000T0000Z-110320T0100Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- 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- 705 PM MDT SAT MAR 19 2011 ...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 241...245...246 AND 247... THE RED FLAG WARNING IS NO LONGER IN EFFECT. $$
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.