Alert archive / Colorado / Red Flag Warnings in 2021
Red Flag Warning 19, NWS Pueblo, CO
NWS Pueblo, CO issued this red flag warning at Apr 10, 2021, 4:04 AM MDT for 5 counties in Colorado. It took effect at Apr 10, 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 10, 2021, 4:04 AM MDT (10:04 UTC)
- In effect from
- Apr 10, 2021, 12:00 PM MDT
- Expired
- Apr 10, 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 10:09 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 00:00Z, 10.1 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3605 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
749 WWUS85 KPUB 101004 RFWPUB URGENT - FIRE WEATHER MESSAGE National Weather Service Pueblo CO 404 AM MDT Sat Apr 10 2021 ...Red Flag Warning is in effect from noon until 8 pm mdt today for Fire Weather Zone 224 which includes the San Luis Valley... COZ224-110200- /O.NEW.KPUB.FW.W.0019.210410T1800Z-210411T0200Z/ San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache- 404 AM MDT Sat Apr 10 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR FIRE WEATHER ZONE 224... The National Weather Service in Pueblo has issued a Red Flag Warning for dry fuels, gusty winds and low relative humidity, which is in effect from noon today to 8 PM MDT this evening. * Affected Area...Fire Weather Zone 224. * Winds...Northwest 10 to 20 mph with gusts up to 35 mph. * Relative Humidity...As low as 6 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. && $$
2 follow-up statements
877 WWUS85 KPUB 102047 RFWPUB URGENT - FIRE WEATHER MESSAGE National Weather Service Pueblo CO 247 PM MDT Sat Apr 10 2021 ...Red Flag Warning is in effect from noon until 8 PM MDT Sunday for gusty winds and low relative humidity for Fire Weather zones 222, 224 and 228, which includes the San Luis Valley, and Fremont and Pueblo counties... ...Red Flag Warning remains in effect until 8 PM MDT this evening for Fire Weather zone 224 which includes the San Luis Valley... COZ224-111300- /O.NEW.KPUB.FW.W.0020.210411T1800Z-210412T0200Z/ /O.CON.KPUB.FW.W.0019.000000T0000Z-210411T0200Z/ San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache- 247 PM MDT Sat Apr 10 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 224... ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT SUNDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 224... The National Weather Service in Pueblo has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from noon to 8 PM MDT Sunday. * Affected Area...Fire Weather Zone 224. * Winds...West 10 to 20 mph with gusts up to 35 mph. * Relative Humidity...As low as 5 percent. * Impacts...Conditions will be favorable for rapid rates of fire growth and spread. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ COZ222-228-111300- /O.NEW.KPUB.FW.W.0020.210411T1800Z-210412T0200Z/ Fremont County Including Canon City/Howard/Texas Creek- Pueblo County Including Pueblo- 247 PM MDT Sat Apr 10 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT SUNDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 222 AND 228... The National Weather Service in Pueblo has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from noon to 8 PM MDT Sunday. * Affected Area...Fire Weather Zones 222 and 228. * Winds...Northwest 15 to 25 mph with gusts up to 35 mph. * Relative Humidity...As low as 8 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. && $$
455 WWUS85 KPUB 110144 RFWPUB URGENT - FIRE WEATHER MESSAGE National Weather Service Pueblo CO 744 PM MDT Sat Apr 10 2021 ...Red Flag Warning is in effect from noon until 8 PM MDT Sunday for gusty winds and low relative humidity for Fire Weather zones 222, 224 and 228, which includes the San Luis Valley, and Fremont and Pueblo counties... ...Red Flag Warning will expire at 8 PM MDT this evening for Fire Weather zone 224 which includes the San Luis Valley... COZ224-111745- /O.EXP.KPUB.FW.W.0019.000000T0000Z-210411T0200Z/ /O.CON.KPUB.FW.W.0020.210411T1800Z-210412T0200Z/ San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache- 744 PM MDT Sat Apr 10 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 8 PM MDT SUNDAY FOR FIRE WEATHER ZONE 224... ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR FIRE WEATHER ZONE 224... * Affected Area...Fire Weather Zone 224. * Winds...West 10 to 20 mph with gusts up to 30 mph. * Relative Humidity...As low as 5 percent. * Impacts...Conditions will be favorable for rapid rates of fire growth and spread. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ COZ222-228-111745- /O.CON.KPUB.FW.W.0020.210411T1800Z-210412T0200Z/ Fremont County Including Canon City/Howard/Texas Creek- Pueblo County Including Pueblo- 744 PM MDT Sat Apr 10 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 8 PM MDT SUNDAY FOR FIRE WEATHER ZONES 222 AND 228... * Affected Area...Fire Weather Zones 222 and 228. * Winds...Northwest 15 to 25 mph with gusts up to 35 mph. * Relative Humidity...As low as 8 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. && $$
The office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 2:47 PM MDT | Red Flag Warning | PUB | Alamosa, Conejos, Costilla, Fremont, Pueblo, Rio Grande and 1 more | 29 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.