Alert archive / Colorado / Red Flag Warnings in 2021
Red Flag Warning 29, NWS Pueblo, CO
NWS Pueblo, CO issued this red flag warning at May 1, 2021, 2:51 PM MDT for 5 counties in Colorado. It took effect at May 2, 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
- May 1, 2021, 2:51 PM MDT (20:51 UTC)
- In effect from
- May 2, 2021, 12:00 PM MDT
- Expired
- May 2, 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 20:51 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, 8.9 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
- 3176 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
735 WWUS85 KPUB 012051 RFWPUB URGENT - FIRE WEATHER MESSAGE National Weather Service Pueblo CO 251 PM MDT Sat May 1 2021 ...A Red Flag Warning remains in effect until 8 PM this evening for gusty winds, low relative humidity, and high Haines indices for fire weather zones 234, 236, and 237, which includes Baca, Prowers and Kiowa Counties... ...A Red Flag Warning is in effect from 12 PM Sunday through 8 PM Sunday for gusty winds, low relative humidity and high Haines indices for fire weather zone 224, which includes the San Luis Valley... COZ224-021300- /O.UPG.KPUB.FW.A.0017.210502T1800Z-210503T0200Z/ /O.NEW.KPUB.FW.W.0029.210502T1800Z-210503T0200Z/ San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache- 251 PM MDT Sat May 1 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT SUNDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH HAINES INDICES FOR FIRE WEATHER ZONE 224... The National Weather Service in Pueblo has issued a Red Flag Warning for gusty winds, low relative humidity, and high haines indices, 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 224. * Winds...West 15 to 25 mph with gusts up to 35 mph. * Relative Humidity...10 to 15 percent. * Impacts...Conditions will be favorable for rapid fire spread and growth. * Haines...6. 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. && $$ COZ234-236-237-020200- /O.CON.KPUB.FW.W.0028.000000T0000Z-210502T0200Z/ Kiowa County Including Eads-Prowers County Including Lamar- Baca County Including Springfield and Eastern Comanche Grasslands- 251 PM MDT Sat May 1 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH HAINES INDICES FOR FIRE WEATHER ZONES 234...236 AND 237... * Affected Area...Fire Weather Zones 234...236 and 237. * Winds...South 10 to 20 mph with gusts up to 35 mph. * Relative Humidity...10 to 15 percent. * Impacts...Conditions will be favorable for rapid fire spread and growth. * Haines...5. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$
4 follow-up statements
850 WWUS85 KPUB 020148 RFWPUB URGENT - FIRE WEATHER MESSAGE National Weather Service Pueblo CO 748 PM MDT Sat May 1 2021 ...The Red Flag Warning will expire at 8 PM for gusty winds, low relative humidity, and high Haines indices for fire weather zones 234, 236, and 237, which includes Baca, Prowers and Kiowa Counties... ...A Red Flag Warning remains in effect from 12 PM through 8 PM Sunday for gusty winds, low relative humidity and high Haines indices for fire weather zone 224, which includes the San Luis Valley... COZ234-236-237-020300- /O.EXP.KPUB.FW.W.0028.000000T0000Z-210502T0200Z/ Kiowa County Including Eads-Prowers County Including Lamar- Baca County Including Springfield and Eastern Comanche Grasslands- 748 PM MDT Sat May 1 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH HAINES INDICES FOR FIRE WEATHER ZONES 234...236 AND 237... Winds are decreasing and humidities are increasing, therefore the Red Flag Warning will be allowed to expire at 8 pm. $$ COZ224-021800- /O.CON.KPUB.FW.W.0029.210502T1800Z-210503T0200Z/ San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache- 748 PM MDT Sat May 1 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 8 PM MDT SUNDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH HAINES INDICES FOR FIRE WEATHER ZONE 224... * Affected Area...Fire Weather Zone 224. * Winds...West 15 to 25 mph with gusts up to 35 mph. * Relative Humidity...As low as 9 percent. * Impacts...Conditions will be favorable for rapid fire spread and growth. * Haines...6. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$
433 WWUS85 KPUB 021002 RFWPUB URGENT - FIRE WEATHER MESSAGE National Weather Service Pueblo CO 402 AM MDT Sun May 2 2021 ...A Red Flag Warning remains in effect from 12 PM through 8 PM today for gusty winds, low relative humidity, and high Haines Indices for fire weather zone 224, which includes the San Luis Valley... COZ224-030200- /O.CON.KPUB.FW.W.0029.210502T1800Z-210503T0200Z/ San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache- 402 AM MDT Sun May 2 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH HAINES INDICES FOR FIRE WEATHER ZONE 224... * Affected Area...Fire Weather Zone 224. * Winds...West 15 to 20 mph with gusts up to 35 mph. * Relative Humidity...As low as 9 percent. * Impacts...Conditions will be favorable for rapid fire spread and growth. * Haines...6. 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. && $$ Cohen
048 WWUS85 KPUB 022113 RFWPUB URGENT - FIRE WEATHER MESSAGE National Weather Service Pueblo CO 313 PM MDT Sun May 2 2021 ...A Red Flag Warning remains in effect from 12 PM through 8 PM today for gusty winds, low relative humidity, and high Haines Indices for fire weather zone 224, which includes the San Luis Valley... COZ224-030200- /O.CON.KPUB.FW.W.0029.000000T0000Z-210503T0200Z/ San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache- 313 PM MDT Sun May 2 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND HIGH HAINES INDICES FOR FIRE WEATHER ZONE 224... * Affected Area...Fire Weather Zone 224. * Winds...West 15 to 25 mph with gusts up to 35 mph. * Relative Humidity...As low as 8 percent. * Impacts...Conditions will be favorable for rapid fire spread and growth. * Haines...6. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$
741 WWUS85 KPUB 030134 RFWPUB URGENT - FIRE WEATHER MESSAGE National Weather Service Pueblo CO 734 PM MDT Sun May 2 2021 ...Red Flag Warning for the San Luis Valley will expire at 8 pm this evening... COZ224-030245- /O.EXP.KPUB.FW.W.0029.000000T0000Z-210503T0200Z/ San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache- 734 PM MDT Sun May 2 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR FIRE WEATHER ZONE 224, which includes the San Luis Valley. $$
The office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 4:05 AM MDT | Fire Weather Watch | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 11 hr |
| May 1, 2:50 PM MDT | Winter Weather Advisory | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 9 more | 53 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.