Alert archive / Colorado / Red Flag Warnings in 2021
Red Flag Warning 16, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this red flag warning at Oct 19, 2021, 3:01 AM MDT for Elbert County, Lincoln County, Colorado. It took effect at Oct 19, 2021, 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 19, 2021, 3:01 AM MDT (09:01 UTC)
- In effect from
- Oct 19, 2021, 12:00 PM MDT
- Expired
- Oct 19, 2021, 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 09:04 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, 9.0 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
- 44 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 3634 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
295 WWUS85 KBOU 190901 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 301 AM MDT Tue Oct 19 2021 COZ247-191715- /O.UPG.KBOU.FW.A.0015.211019T1800Z-211020T0000Z/ /O.NEW.KBOU.FW.W.0016.211019T1800Z-211020T0000Z/ Southeast Elbert County Below 6000 Feet/South Lincoln County- 301 AM MDT Tue Oct 19 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHERN LINCOLN COUNTY...FIRE WEATHER ZONE 247... 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 The Fire Weather Watch is no longer in effect.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 Zone 247. * Timing...Tuesday afternoon to early evening. * Winds...West 15 to 20 mph with gusts up to 35 mph. * Relative Humidity...As low as 14 percent. * Impacts...Conditions will be conducive to the rapid spread of new fires. Probability of ignition will increase. Avoid any burning or outdoor activities that may cause sparks, and abide by established fire restrictions. 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. && $$
3 follow-up statements
560 WWUS85 KBOU 190946 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 346 AM MDT Tue Oct 19 2021 COZ247-200000- /O.CON.KBOU.FW.W.0016.211019T1800Z-211020T0000Z/ Southeast Elbert County Below 6000 Feet/South Lincoln County- 346 AM MDT Tue Oct 19 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHERN LINCOLN COUNTY...FIRE WEATHER ZONE 247... * Affected Area...Fire Weather Zone 247. * Timing...Tuesday afternoon to early evening. * Winds...West 15 to 20 mph with gusts up to 35 mph. * Relative Humidity...As low as 14 percent. * Impacts...Conditions will be conducive to the rapid spread of new fires. Probability of ignition will increase. Avoid any burning or outdoor activities that may cause sparks, and abide by established fire restrictions. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$
260 WWUS85 KBOU 191906 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 106 PM MDT Tue Oct 19 2021 COZ247-200000- /O.CON.KBOU.FW.W.0016.000000T0000Z-211020T0000Z/ Southeast Elbert County Below 6000 Feet/South Lincoln County- 106 PM MDT Tue Oct 19 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHERN LINCOLN COUNTY... FIRE WEATHER ZONE 247... * Affected Area...Fire Weather Zone 247. * Timing...Now through 6pm this evening. * Winds...West 15 to 20 mph with gusts up to 35 mph. * Relative Humidity...As low as 14 percent. * Impacts...Conditions will be conducive to the rapid spread of new fires. Probability of ignition will increase. Avoid any burning or outdoor activities that may cause sparks, and abide by established fire restrictions. 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. && $$
921 WWUS85 KBOU 200010 RFWBOU URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 610 PM MDT Tue Oct 19 2021 COZ247-200115- /O.EXP.KBOU.FW.W.0016.000000T0000Z-211020T0000Z/ Southeast Elbert County Below 6000 Feet/South Lincoln County- 610 PM MDT Tue Oct 19 2021 ...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTHERN LINCOLN COUNTY...FIRE WEATHER ZONE 247... Cooler air and higher humidities have moved in behind a cold front. North winds gusting to around 30 mph can be expected through the early evening. $$ Gimmestad
Nearby
Red Flag Warnings in Colorado, 2021Every red flag warning in 2021
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.