Alert archive / Colorado / Red Flag Warnings in 2012
Red Flag Warning 25, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this red flag warning at Jun 27, 2012, 10:19 AM MDT for 7 counties in Colorado. It took effect at Jun 27, 2012, 12:00 PM MDT. It was in force for 8 hr. 1 report 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
- Jun 27, 2012, 10:19 AM MDT (16:19 UTC)
- In effect from
- Jun 27, 2012, 12:00 PM MDT
- Expired
- Jun 27, 2012, 7:52 PM MDT
- In force
- 8 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Boulder County, CO, Clear Creek County, CO, Douglas County, CO, Gilpin County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO
The radar
The Denver radar (KFTG), 74 km from the middle of the area, began a volume at 16:20 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 27, 3:24 PM MDT | TSTM WND GST 61 | 2 Nne Parker, 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 (KDNR), launched 12:00Z, 4.3 hours before the alert went out and 187 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
- 3667 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
235 WWUS85 KBOU 271619 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1019 AM MDT WED JUN 27 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT TODAY FOR FORE WEATHER ZONES 214..215..216 FOR THUNDERSTORMS PRODUCING STRONG GUSTY WINDS AND FREQUENT LIGHTNING... .A RED FLAG WARNING HAS BEEN ISSUED FOR THE FRONT RANGE FOOTHILL ZONES 215 AND 216 AND THE SOUTH PARK ZONE 214 IN NORTH CENTRAL COLORADO FOR THIS AFTERNOON AND EARLY THIS EVENING. SCATTERED THUNDERSTORMS... SOME MOSTLY DRY...WITH FREQUENT LIGHTNING AND STRONG GUSTY AND ERRATIC OUTFLOW WINDS WILL POTENTIALLY PRODUCE EXTREME WILDLAND FIRE BEHAVIOR THIS AFTERNOON AND EARLY THIS EVENING. WHILE TEMPERATURES WILL BE SLIGHTLY LOWER TODAY AND RELATIVE HUMIDITIES SLIGHTLY HIGHER...THE THREAT OF STRONG GUSTY THUNDERSTORM WINDS AND LIGHTNING TOGETHER WITH EXTREME DRY FUELS HAS PROMPTED THIS SHORT FUSE WARNING. COZ214>216-280030- /O.NEW.KBOU.FW.W.0025.120627T1800Z-120628T0200Z/ 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- 1019 AM MDT WED JUN 27 2012 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR MOSTLY DRY THUNDERSTORMS PRODUCING FREQUENT LIGHTNING AND STRONG GUSTY WINDS FOR SOUTH PARK ZONE 214 AND FRONT RANGE FOOTHILL ZONES 215 AND 216... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG WARNING FOR DRY THUNDERSTORMS...WHICH IS IN EFFECT UNTIL 8 PM MDT THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONES 214...215 AND 216. * TIMING...NOON TO 8 PM MDT TODAY * THUNDERSTORMS...SOME THUNDERSTORMS THIS AFTERNOON AND EARLY THIS EVENING WILL PRODUCE LITTLE RAINFALL. IT IS THESE STORMS AND THE FREQUENT LIGHTNING AND STRONG AND GUSTY OUTFLOW WINDS THAT THEY WILL PRODUCE THAT HAS PROMPTED THIS WARNING. * OUTFLOW WINDS...GUSTS UP TO 50 MPH ARE LIKELY. * IMPACTS...STRONG THUNDERSTORM OUTFLOW WINDS AND FREQUENT CLOUD- TO-GROUND LIGHTNING WILL COMBINE WITH EXTREMELY DRY FUELS TO PRODUCE EXTREME WILDLAND FIRE BEHAVIOR AND RAPID FIRE SPREAD RATES IN PORTIONS OF THE FRONT RANGE FOOTHILLS AND SOUTH PARK. 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
2 follow-up statements
286 WWUS85 KBOU 272350 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 550 PM MDT WED JUN 27 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT TODAY FOR FORE WEATHER ZONES 214..215..216 FOR THUNDERSTORMS PRODUCING STRONG GUSTY WINDS AND FREQUENT LIGHTNING... .A RED FLAG WARNING CONTINUES FOR THE FRONT RANGE FOOTHILL ZONES 215 AND 216 AND THE SOUTH PARK ZONE 214 IN NORTH CENTRAL COLORADO FOR EARLY THIS EVENING. SCATTERED THUNDERSTORMS...SOME DRY...WITH FREQUENT LIGHTNING AND STRONG GUSTY ERRATIC OUTFLOW WINDS WILL PRODUCE EXTREME WILDLAND FIRE BEHAVIOR THIS EARLY EVENING. WHILE TEMPERATURES WERE SOMEWHAT COOLER TODAY AND RELATIVE HUMIDITIES SLIGHTLY HIGHER...THE THREAT OF STRONG GUSTY THUNDERSTORM WINDS AND LIGHTNING TOGETHER WITH EXTREME DRY FUELS HAS PROMPTED THIS WARNING. COZ214>216-280200- /O.CON.KBOU.FW.W.0025.000000T0000Z-120628T0200Z/ 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- 550 PM MDT WED JUN 27 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR SOUTH PARK ZONE 214 AND FRONT RANGE FOOTHILL ZONES 215 AND 216... * AFFECTED AREA...FIRE WEATHER ZONES 214...215 AND 216. * TIMING...NOON TO 8 PM MDT THIS EVENING. * THUNDERSTORMS...SOME OF THE THUNDERSTORMS EARLY THIS EVENING WILL PRODUCE LITTLE RAINFALL BUT STRONG AND GUSTY WINDS. * OUTFLOW WINDS...GUSTS UP TO 50 MPH ARE LIKELY. * IMPACTS...STRONG THUNDERSTORM OUTFLOW WINDS AND FREQUENT CLOUD- TO-GROUND LIGHTNING WILL COMBINE WITH EXTREMELY DRY FUELS TO PRODUCE EXTREME WILDLAND FIRE BEHAVIOR AND RAPID FIRE SPREAD RATES IN PORTIONS OF THE FRONT RANGE FOOTHILLS AND SOUTH PARK. 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. && $$
099 WWUS85 KBOU 280152 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 752 PM MDT WED JUN 27 2012 COZ214>216-280300- /O.CAN.KBOU.FW.W.0025.000000T0000Z-120628T0200Z/ 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- 752 PM MDT WED JUN 27 2012 ...RED FLAG WARNING IS CANCELLED FOR SOUTH PARK ZONE 214 AND FRONT RANGE FOOTHILL ZONES 215 AND 216... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE RED FLAG WARNING. THE RED FLAG WARNING HAS EXPIRED. $$
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 4:10 PM MDT | Flash Flood Warning | BOU | Larimer | 2 hr |
| Jun 27, 4:19 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Washington | 41 min |
| Jun 27, 4:49 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Morgan, Washington, Weld | 41 min |
| Jun 27, 5:18 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 27 min |
Nearby
Red Flag Warnings in Colorado, 2012Every red flag warning in 2012
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.