Alert archive / Colorado / Red Flag Warnings in 2012
Red Flag Warning 36, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this red flag warning at Oct 23, 2012, 3:34 AM MDT for Elbert County, Lincoln County, Colorado. It took effect at Oct 23, 2012, 12:00 PM MDT. It was in force for 6 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 23, 2012, 3:34 AM MDT (09:34 UTC)
- In effect from
- Oct 23, 2012, 12:00 PM MDT
- Expired
- Oct 23, 2012, 6:00 PM MDT
- In force
- 6 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Elbert County, CO, Lincoln County, CO
The radar
The Pueblo radar (KPUX), 81 km from the middle of the area, began a volume at 09:40 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, 9.6 hours before the alert went out and 96 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
- 2744 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 161 m²/s²
- 0-3 km storm-relative helicity
- 398 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
729 WWUS85 KBOU 230934 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 334 AM MDT TUE OCT 23 2012 ...DRY AND BREEZY CONDITIONS THIS AFTERNOON... .INCREASING SOUTHWEST FLOW ALOFT WILL BRING DRY AND BREEZY CONDITIONS TO PARTS OF EASTERN COLORADO THIS AFTERNOON. COZ246-247-231745- /O.UPG.KBOU.FW.A.0016.121023T1800Z-121024T0000Z/ /O.NEW.KBOU.FW.W.0036.121023T1800Z-121024T0000Z/ NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- 334 AM MDT TUE OCT 23 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EAST CENTRAL PLAINS... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM MDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...FIRE WEATHER ZONES 246 AND 247. * TIMING...FROM NOON UNTIL 6 PM THIS EVENING. * WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH. * RELATIVE HUMIDITY...AS LOW AS 15 PERCENT. * IMPACTS...GUSTY WINDS AND LOW RELATIVE HUMIDITIES WILL COMBINE WITH DRY FUELS TO INCREASE THE POTENTIAL FOR RAPID FIRE GROWTH. 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. && $$
2 follow-up statements
694 WWUS85 KBOU 231659 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1059 AM MDT TUE OCT 23 2012 ...DRY AND BREEZY CONDITIONS THIS AFTERNOON... .INCREASING SOUTHWEST FLOW ALOFT WILL BRING DRY AND BREEZY CONDITIONS TO PARTS OF EASTERN COLORADO THIS AFTERNOON. COZ246-247-240000- /O.CON.KBOU.FW.W.0036.121023T1800Z-121024T0000Z/ NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- 1059 AM MDT TUE OCT 23 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EAST CENTRAL PLAINS... * AFFECTED AREA...FIRE WEATHER ZONES 246 AND 247. * TIMING...FROM NOON UNTIL 6 PM THIS EVENING. * WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 13 PERCENT. * IMPACTS...GUSTY WINDS AND LOW RELATIVE HUMIDITIES WILL COMBINE WITH DRY FUELS TO INCREASE THE POTENTIAL FOR RAPID FIRE GROWTH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$
689 WWUS85 KBOU 240002 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 602 PM MDT TUE OCT 23 2012 ...DRY AND BREEZY CONDITIONS DIMINISHING... .TEMPERATURES DROPPING THIS EVENING WILL ALLOW HUMIDITY LEVELS TO CLIMB AS WIND SPEEDS ALSO DECREASE. THE THREAT OF DANGEROUS FIRE WEATHER BEHAVIOR OVER EASTERN ELBERT AND LINCOLN COUNTIES HAS COME TO AN END. COZ246-247-240115- /O.EXP.KBOU.FW.W.0036.000000T0000Z-121024T0000Z/ NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- 602 PM MDT TUE OCT 23 2012 ...RED FLAG WARNING EXPIRED AT 6 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EAST CENTRAL PLAINS... $$
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.