Alert archive / Colorado / Red Flag Warnings in 2021
Red Flag Warning 11, NWS Pueblo, CO
NWS Pueblo, CO issued this red flag warning at Mar 30, 2021, 2:00 PM MDT for 5 counties in Colorado. It was in force for 5 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
- Mar 30, 2021, 2:00 PM MDT (20:00 UTC)
- Expired
- Mar 30, 2021, 7:00 PM MDT
- In force
- 5 hr
- Issued by
- NWS Pueblo, CO
Counties Alamosa County, CO, Conejos County, CO, Costilla County, CO, Rio Grande County, CO, Saguache County, CO
The radar
The Pueblo radar (KPUX), 190 km from the middle of the area, began a volume at 20:04 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
Grand Junction, CO (KGJT), launched 12:00Z, 8.0 hours before the alert went out and 279 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
- 3056 m above ground
- 0-6 km bulk shear
- 88 kt
- 0-1 km storm-relative helicity
- -33 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
000 WWUS85 KPUB 302000 RFWPUB URGENT - FIRE WEATHER MESSAGE National Weather Service Pueblo CO 200 PM MDT Tue Mar 30 2021 ...A Red Flag Warning is in effect until 7 PM Today for strong gusty winds, low humidity and dry fuels for fire weather zone 224 which includes the San Luis Valley... COZ224-310100- /O.NEW.KPUB.FW.W.0011.210330T2000Z-210331T0100Z/ San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache- 200 PM MDT Tue Mar 30 2021 ...RED FLAG WARNING IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 224... The National Weather Service in Pueblo has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect until 7 PM MDT this evening. * Affected Area...Fire Weather Zone 224. * Winds...Northwest 20 to 30 mph with gusts up to 45 mph. * 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. && $$
2 follow-up statements
895 WWUS85 KPUB 302110 RFWPUB URGENT - FIRE WEATHER MESSAGE National Weather Service Pueblo CO 310 PM MDT Tue Mar 30 2021 ...A Red Flag Warning remains in effect until 7 PM today for strong gusty winds, low humidity and dry fuels for fire weather zone 224 which includes the San Luis Valley... COZ224-310100- /O.CON.KPUB.FW.W.0011.000000T0000Z-210331T0100Z/ San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache- 310 PM MDT Tue Mar 30 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 224... * Affected Area...Fire Weather Zone 224. * Winds...Northwest 20 to 30 mph with gusts up to 40 mph. * Relative Humidity...As low as 11 percent. * Impacts...Conditions will be favorable for rapid rates of fire growth and spread. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$
991 WWUS85 KPUB 310052 RFWPUB URGENT - FIRE WEATHER MESSAGE National Weather Service Pueblo CO 652 PM MDT Tue Mar 30 2021 COZ224-310200- /O.EXP.KPUB.FW.W.0011.000000T0000Z-210331T0100Z/ San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache- 652 PM MDT Tue Mar 30 2021 ...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 224... Winds will continue to subside across the San Luis Valley over the next hour. Humidity values are also rising. Therefore, the Red Flag Warning will expire at 7 PM. $$
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.