Alert archive / Colorado / Red Flag Warnings in 2020
Red Flag Warning 13, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this red flag warning at Jun 13, 2020, 3:14 PM MDT for 7 counties in Colorado. It took effect at Jun 14, 2020, 12:00 PM MDT. 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
- Jun 13, 2020, 3:14 PM MDT (21:14 UTC)
- In effect from
- Jun 14, 2020, 12:00 PM MDT
- Expired
- Jun 14, 2020, 8:00 PM MDT
- In force
- 8 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Clear Creek County, CO, Douglas County, CO, Elbert County, CO, Gilpin County, CO, Jefferson County, CO, Lincoln County, CO, Park County, CO
The radar
The Denver radar (KFTG), 55 km from the middle of the area, began a volume at 21:13 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 12:00Z, 9.2 hours before the alert went out and 157 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
- 2355 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
874 WWUS85 KBOU 132114 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 314 PM MDT Sat Jun 13 2020 COZ247-141200- /O.UPG.KBOU.FW.A.0007.200614T1800Z-200615T0200Z/ /O.NEW.KBOU.FW.W.0013.200614T1800Z-200615T0200Z/ Southeast Elbert County Below 6000 Feet/South Lincoln County- 314 PM MDT Sat Jun 13 2020 ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 247...SOUTHERN LINCOLN AND SOUTHEAST ELBERT COUNTIES... The National Weather Service in Denver has issued a Red Flag Warning FOR WIND AND LOW RELATIVE HUMIDITY, which is in effect from noon to 8 PM MDT Sunday. The Fire Weather Watch is no longer in effect. * Affected Area...Fire Weather Zone 247. * Winds...South 20 to 25 mph with gusts up to 35 mph. * Timing...Wind will increase in the morning, with low humidities in the afternoon. Conditions will improve in the evening. * Relative Humidity...As low as 13 percent. * Impacts...Conditions will be favorable for rapid rates of fire growth and spread. 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. && $$ Gimmestad
4 follow-up statements
116 WWUS85 KBOU 140926 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 326 AM MDT Sun Jun 14 2020 COZ216-141730- /O.EXA.KBOU.FW.W.0013.200614T1800Z-200615T0200Z/ Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- 326 AM MDT Sun Jun 14 2020 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SOUTHERN FRONT RANGE FOOTHILLS...FIRE WEATHER ZONE 216... The National Weather Service in Denver has issued a Red Flag Warning FOR WIND AND LOW RELATIVE HUMIDITY, which is in effect from noon today to 8 PM MDT this evening. * Affected Area...Fire Weather Zone 216. * Winds...Southwest 15 to 25 mph with gusts up to 35 mph. * Timing...Wind will increase in the morning, with low humidities in the afternoon. Conditions will improve in the evening. * Relative Humidity...As low as 13 percent. * Impacts...Conditions will be favorable for rapid rates of fire growth and spread. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ COZ247-141730- /O.CON.KBOU.FW.W.0013.200614T1800Z-200615T0200Z/ Southeast Elbert County Below 6000 Feet/South Lincoln County- 326 AM MDT Sun Jun 14 2020 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHERN LINCOLN COUNTY...FIRE WEATHER ZONE 247... * Affected Area...Fire Weather Zone 247. * Winds...South 15 to 25 mph with gusts up to 35 mph. * Timing...Wind will increase in the morning, with low humidities in the afternoon. Conditions will improve in the evening. * Relative Humidity...As low as 15 percent. * Impacts...Conditions will be favorable for rapid rates of fire growth and spread. 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. && $$
592 WWUS85 KBOU 141822 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 1222 PM MDT Sun Jun 14 2020 COZ216-247-150200- /O.CON.KBOU.FW.W.0013.000000T0000Z-200615T0200Z/ Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Southeast Elbert County Below 6000 Feet/South Lincoln County- 1222 PM MDT Sun Jun 14 2020 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SOUTHERN FRONT RANGE FOOTHILLS...FIRE WEATHER ZONE 216... * Affected Area...Fire Weather Zones 216 and 247. * Winds...Southwest 15 to 25 mph with gusts up to 40 mph. * Timing...Winds will peak in the mid to late afternoon. Conditions will improve in the evening. * Relative Humidity...As low as 14 percent. * Impacts...Conditions will be favorable for rapid rates of fire growth and spread. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ Gimmestad
151 WWUS85 KBOU 142156 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 356 PM MDT Sun Jun 14 2020 COZ216-247-150600- /O.NEW.KBOU.FW.A.0008.200616T1800Z-200617T0200Z/ /O.CON.KBOU.FW.W.0013.000000T0000Z-200615T0200Z/ Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Southeast Elbert County Below 6000 Feet/South Lincoln County- 356 PM MDT Sun Jun 14 2020 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SOUTHERN FRONT RANGE FOOTHILLS...FIRE WEATHER ZONE 216... ...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTH FRONT RANGE FOOTHILLS AND SOUTHERN LICOLN COUTY... The National Weather Service in Denver has issued a Fire Weather Watch FOR WIND AND LOW RELATIVE HUMIDITY, which is in effect from Tuesday afternoon through Tuesday evening. * Affected Area...Fire Weather Zones 216 and 247. * Winds...Southwest 15 to 25 mph with gusts up to 40 mph. * Timing...Winds will peak in the mid to late afternoon. Conditions will improve in the evening. * Relative Humidity...As low as 9 percent. * Impacts...Conditions will be favorable for rapid rates of fire growth and spread. 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. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$
868 WWUS85 KBOU 150212 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 812 PM MDT Sun Jun 14 2020 COZ216-247-151200- /O.EXP.KBOU.FW.W.0013.000000T0000Z-200615T0200Z/ /O.CON.KBOU.FW.A.0008.200616T1800Z-200617T0200Z/ Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Southeast Elbert County Below 6000 Feet/South Lincoln County- 812 PM MDT Sun Jun 14 2020 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTH FRONT RANGE FOOTHILLS AND SOUTHERN LINCOLN COUNTY... ...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SOUTHERN FRONT RANGE FOOTHILLS...FIRE WEATHER ZONE 216... * Affected Area...Fire Weather Zones 216 and 247. * Winds...Southwest 15 to 25 mph with gusts up to 35 mph. * Timing...Winds will peak in the mid to late afternoon. Conditions will improve in the evening. * Relative Humidity...As low as 9 percent. * Impacts...Conditions will be favorable for rapid rates of fire growth and spread. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 4:11 PM MDT | Special Weather Statement | BOU | Arapahoe | 49 min |
Nearby
Red Flag Warnings in Colorado, 2020Every red flag warning in 2020
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.