Alert archive / Colorado / Red Flag Warnings in 2016
Red Flag Warning 16, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this red flag warning at Jul 13, 2016, 3:42 AM MDT for 5 counties in Colorado. It took effect at Jul 13, 2016, 10:00 AM MDT. It was in force for 10 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
- Jul 13, 2016, 3:42 AM MDT (09:42 UTC)
- In effect from
- Jul 13, 2016, 10:00 AM MDT
- Expired
- Jul 13, 2016, 8:00 PM MDT
- In force
- 10 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Boulder County, CO, Grand County, CO, Jackson County, CO, Larimer County, CO, Summit County, CO
The radar
The Denver radar (KFTG), 124 km from the middle of the area, began a volume at 09:42 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, 9.7 hours before the alert went out and 229 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
- 393 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 3309 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- -45 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
908 WWUS85 KBOU 130942 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 342 AM MDT WED JUL 13 2016 ...RED FLAG WARNING FOR THE HIGH MOUNTAIN VALLEYS OF NORTHERN COLORADO...AND PORTIONS OF THE NORTH CENTRAL MOUNTAINS AND NORTHERN FRONT RANGE FOOTHILLS TODAY FOR GUSTY WINDS AND LOW HUMIDITIES...FIRE WEATHER ZONES 211...213...215...AND 217... .DRY AND VERY WARM WESTERLY FLOW ALOFT WILL CONTINUE OVER THE STATE TODAY. THE COMBINATION OF GUSTY WINDS AND VERY LOW RELATIVE HUMIDITIES WILL RESULT IN CRITICAL FIRE DANGER FROM LATE THIS MORNING INTO EARLY EVENING. DANGEROUS FIRE BEHAVIOR WILL BE POSSIBLE. COZ214-131045- /O.CAN.KBOU.FW.A.0006.160713T1600Z-160714T0200Z/ CENTRAL AND SOUTHEAST PARK COUNTY- 342 AM MDT WED JUL 13 2016 ...FIRE WEATHER WATCH IS CANCELLED FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTH PARK...FIRE WEATHER ZONE 214... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE FIRE WEATHER WATCH FOR SOUTH PARK...FIRE WEATHER ZONE 214. WHILE HUMIDITIES WILL DROP TO AROUND 10 PERCENT TODAY...WIND SPEEDS ARE NOT ANTICIPATED TO REACH RED FLAG CRITERIA. $$ COZ211-213-215-217-131745- /O.UPG.KBOU.FW.A.0006.160713T1600Z-160714T0200Z/ /O.NEW.KBOU.FW.W.0016.160713T1600Z-160714T0200Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- 342 AM MDT WED JUL 13 2016 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE HIGH MOUNTAIN VALLEYS OF NORTHERN COLORADO...PORTIONS OF THE NORTH CENTRAL MOUNTAINS AND NORTHERN FRONT RANGE FOOTHILLS...FIRE WEATHER ZONES 211...213...215...AND 217. THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...FIRE WEATHER ZONES 211...213...215 AND 217. * TIMING...10 AM MDT UNTIL 8 PM MDT TODAY. * WINDS...WEST 10 TO 20 MPH WITH GUSTS AROUND 30 MPH. * RELATIVE HUMIDITY...10 TO 15 PERCENT. * IMPACTS...GUSTY WEST WINDS AND LOW RELATIVE HUMIDITY MAY ALLOW ANY EXISTING FIRES OR NEW FIRES TO SPREAD RAPIDLY. DANGEROUS AND ERRATIC FIRE BEHAVIOR IS POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$
1 follow-up statement
847 WWUS85 KBOU 140203 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 803 PM MDT WED JUL 13 2016 ...THE RED FLAG WARNING IS EXPIRING AT 8PM... COZ211-213-215-217-140315- /O.EXP.KBOU.FW.W.0016.000000T0000Z-160714T0200Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- 803 PM MDT WED JUL 13 2016 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR ZONES 211...213...217 OF NORTHERN COLORADO. AS TEMPERATURES FALL THIS EVENING RELATIVE HUMIDITIES ARE CLIMBING INTO THE UPPER TEENS AND 20S. WINDS HAVE RELAXED WITH LESS THAN 15 MPH MOST AREAS. $$
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 11:22 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 38 min |
| Jul 12, 11:52 PM MDT | Areal Flood Advisory | BOU | Washington | 3 hr |
| Jul 13, 12:01 AM MDT | Severe Thunderstorm Warning | BOU | Washington | 44 min |
| Jul 13, 12:25 AM MDT | Flash Flood Warning | BOU | Washington | 3 hr |
| Jul 13, 12:48 AM MDT | Severe Thunderstorm Warning | BOU | Washington | 57 min |
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.