Alert archive / Colorado / Red Flag Warnings in 2021
Red Flag Warning 22, NWS Pueblo, CO
NWS Pueblo, CO issued this red flag warning at Apr 14, 2021, 3:03 PM MDT for 5 counties in Colorado. It took effect at Apr 15, 2021, 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
- Apr 14, 2021, 3:03 PM MDT (21:03 UTC)
- In effect from
- Apr 15, 2021, 12:00 PM MDT
- Expired
- Apr 15, 2021, 8:00 PM MDT
- In force
- 8 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 21:07 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, 9.1 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
- 5 J/kg
- Mixed-layer CIN
- -109 J/kg
- Mixed-layer LCL
- 2292 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 183 m²/s²
- 0-3 km storm-relative helicity
- 259 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
932 WWUS85 KPUB 142103 RFWPUB URGENT - FIRE WEATHER MESSAGE National Weather Service Pueblo CO 303 PM MDT Wed Apr 14 2021 ...A Red Flag Warning is in effect from noon to 8 pm mdt Thursday for gusty winds, low relative humidity and dry fuels for Fire Weather Zone 224, which includes the San Luis Valley... COZ224-151315- /O.UPG.KPUB.FW.A.0011.210415T1800Z-210416T0200Z/ /O.NEW.KPUB.FW.W.0022.210415T1800Z-210416T0200Z/ San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache- 303 PM MDT Wed Apr 14 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT THURSDAY FOR FIRE WEATHER ZONE 224... The National Weather Service in Pueblo has issued a Red Flag Warning for gusty winds, low relative humidity and dry fuels, which is in effect from noon to 8 PM MDT Thursday. The Fire Weather Watch is no longer in effect. * Affected Area...Fire Weather Zone 224. * Winds...Southwest 15 to 25 mph with gusts up to 40 mph. * Relative Humidity...As low as 12 percent. * Impacts...Conditions are anticipated to 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. && $$
3 follow-up statements
801 WWUS85 KPUB 151031 RFWPUB URGENT - FIRE WEATHER MESSAGE National Weather Service Pueblo CO 431 AM MDT Thu Apr 15 2021 ...A Red Flag Warning remains in effect from noon to 8 PM MDT Thursday for gusty winds, low relative humidity and dry fuels for Fire Weather Zone 224, which includes the San Luis Valley... COZ224-160200- /O.CON.KPUB.FW.W.0022.210415T1800Z-210416T0200Z/ San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache- 431 AM MDT Thu Apr 15 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 224... * Affected Area...Fire Weather Zone 224. * Winds...Southwest 20 to 30 mph with gusts up to 55 mph. * Relative Humidity...As low as 10 percent. * Impacts...Conditions are will be favorable for extreme rates of fire growth and spread. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$
004 WWUS85 KPUB 152130 RFWPUB URGENT - FIRE WEATHER MESSAGE National Weather Service Pueblo CO 330 PM MDT Thu Apr 15 2021 ...A Red Flag Warning remains in effect until 8 PM MDT this evening for gusty winds and low relative humidity for Fire Weather Zone 224, which includes the San Luis Valley... COZ224-160200- /O.CON.KPUB.FW.W.0022.000000T0000Z-210416T0200Z/ San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache- 330 PM MDT Thu Apr 15 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 224... * Affected Area...Fire Weather Zone 224. * Winds...West 20 to 30 mph with gusts up to 55 mph. * Relative Humidity...As low as 10 percent. * Impacts...Conditions are will be favorable for extreme 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. && $$
867 WWUS85 KPUB 160207 RFWPUB URGENT - FIRE WEATHER MESSAGE National Weather Service Pueblo CO 807 PM MDT Thu Apr 15 2021 COZ224-160315- /O.EXP.KPUB.FW.W.0022.000000T0000Z-210416T0200Z/ San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache- 807 PM MDT Thu Apr 15 2021 ...RED FLAG WARNING HAS EXPIRED FOR FIRE WEATHER ZONE 224... Winds will remain gusty this evening, though humidity values will continue to improve. $$
The office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 3:46 AM MDT | Fire Weather Watch | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 11 hr |
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.