Alert archive / Arizona / Red Flag Warnings in 2021
Red Flag Warning 9, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this red flag warning at May 19, 2021, 2:18 AM MST for 4 counties in Arizona. It took effect at May 20, 2021, 11:00 AM MST. 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 19, 2021, 2:18 AM MST (09:18 UTC)
- In effect from
- May 20, 2021, 11:00 AM MST
- Expired
- May 20, 2021, 7:06 PM MST
- In force
- 8 hr
- Issued by
- NWS Flagstaff, AZ
Counties Apache County, AZ, Coconino County, AZ, Navajo County, AZ, Yavapai County, AZ
The radar
The Flagstaff radar (KFSX), 83 km from the middle of the area, began a volume at 09:19 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
Flgstf/Belemont, AZ (KFGZ), launched 00:00Z, 9.3 hours before the alert went out and 70 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
- 3486 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
418 WWUS85 KFGZ 190918 RFWFGZ URGENT - FIRE WEATHER MESSAGE National Weather Service Flagstaff AZ 218 AM MST Wed May 19 2021 AZZ104>114-137>140-192300- /O.UPG.KFGZ.FW.A.0008.210520T1800Z-210521T0300Z/ /O.NEW.KFGZ.FW.W.0009.210520T1800Z-210521T0300Z/ Kaibab Plateau (Fire Weather Zone 104)- Marble and Glen Canyons (Fire Weather Zone 105)- Grand Canyon Country (Fire Weather Zone 106)- Coconino Plateau (Fire Weather Zone 107)- Yavapai County Mountains (Fire Weather Zone 108)- Northeast Plateau And Mesas Hwy 264 Northward (Fire Weather Zone 109)-Chinle Valley (Fire Weather Zone 110)- Chuska Mountains and Defiance Plateau (Fire Weather Zone 111)- Little Colorado River Valley in Coconino County (Fire Weather Zone 112)- Little Colorado River Valley in Navajo County (Fire Weather Zone 113)- Little Colorado River Valley in Apache County (Fire Weather Zone 114)-Yavapai County Valleys and Basins (Fire Weather Zone 137)- Oak Creek and Sycamore Canyons (Fire Weather Zone 138)- Black Mesa Area (Fire Weather Zone 139)- Northeast Plateaus and Mesas South of Hwy 264 (Fire Weather Zone 140)- 218 AM MST Wed May 19 2021 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MST THURSDAY DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR MUCH OF NORTHERN ARIZONA... The National Weather Service in Flagstaff has issued a Red Flag Warning due to strong winds and low relative humidity, which is in effect from 11 AM to 8 PM MST Thursday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Locations near Buffalo Pass, Camp Verde, Chinle, Chino Valley, Congress, Cottonwood, Dilkon, Eagar- Springerville, Fredonia, Ganado, Grand Canyon, Holbrook, Jacob Lake, Kayenta, Kykotsmovi, North Rim, Page, Paulden, Prescott, Prescott Valley, Saint Johns, Sedona, Seligman, Shonto, Snowflake- Taylor, Tuba City, Valle, Window Rock and Winslow. This includes portions of the Coconino National Forest, Kaibab National Forest, Prescott National Forest and Tonto National Forest. * WINDS...Southwest 20 to 30 mph with gusts up to 40 mph possible. Wind prone areas along the ridges, Kaibab and Coconino plateaus, and eastern slopes of the Mogollon Rim could see higher gusts of up to 50 mph. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity before first responders can contain them. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this red flag warning. && $$ AZZ115-116-192300- /O.NEW.KFGZ.FW.W.0009.210520T1800Z-210521T0300Z/ Western Mogollon Rim (Fire Weather Zone 115)- Eastern Mogollon Rim (Fire Weather Zone 116)- 218 AM MST Wed May 19 2021 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MST THURSDAY DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR MUCH OF NORTHERN ARIZONA... The National Weather Service in Flagstaff has issued a Red Flag Warning due to strong winds and low relative humidity, which is in effect from 11 AM to 8 PM MST Thursday. * AFFECTED AREA...Locations near Doney Park, Flagstaff, Forest Lakes, Heber-Overgaard and Williams. This includes portions of the Apache-Sitgreaves National Forest, Coconino National Forest, Kaibab National Forest, Prescott National Forest and Tonto National Forest. * WINDS...Southwest 20 to 30 mph with gusts up to 40 mph possible. Wind prone areas along the ridges and eastern slopes of the Mogollon Rim could see higher gusts of up to 50 mph. * RELATIVE HUMIDITY...As low as 12 percent. * IMPACTS...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity before first responders can contain them. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this red flag warning. && $$ For more information from the National Weather Service visit http://weather.gov/flagstaff
5 follow-up statements
522 WWUS85 KFGZ 191312 RFWFGZ URGENT - FIRE WEATHER MESSAGE National Weather Service Flagstaff AZ 612 AM MST Wed May 19 2021 AZZ104>116-137>140-192300- /O.CON.KFGZ.FW.W.0009.210520T1800Z-210521T0300Z/ Kaibab Plateau (Fire Weather Zone 104)- Marble and Glen Canyons (Fire Weather Zone 105)- Grand Canyon Country (Fire Weather Zone 106)- Coconino Plateau (Fire Weather Zone 107)- Yavapai County Mountains (Fire Weather Zone 108)- Northeast Plateau And Mesas Hwy 264 Northward (Fire Weather Zone 109)-Chinle Valley (Fire Weather Zone 110)- Chuska Mountains and Defiance Plateau (Fire Weather Zone 111)- Little Colorado River Valley in Coconino County (Fire Weather Zone 112)- Little Colorado River Valley in Navajo County (Fire Weather Zone 113)- Little Colorado River Valley in Apache County (Fire Weather Zone 114)-Western Mogollon Rim (Fire Weather Zone 115)- Eastern Mogollon Rim (Fire Weather Zone 116)- Yavapai County Valleys and Basins (Fire Weather Zone 137)- Oak Creek and Sycamore Canyons (Fire Weather Zone 138)- Black Mesa Area (Fire Weather Zone 139)- Northeast Plateaus and Mesas South of Hwy 264 (Fire Weather Zone 140)- 612 AM MST Wed May 19 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MST THURSDAY FOR MUCH OF NORTHERN ARIZONA... * AFFECTED AREA...Locations near Buffalo Pass, Camp Verde, Chinle, Chino Valley, Congress, Cottonwood, Dilkon, Doney Park, Eagar-Springerville, Flagstaff, Forest Lakes, Fredonia, Ganado, Grand Canyon, Heber-Overgaard, Holbrook, Jacob Lake, Kayenta, Kykotsmovi, North Rim, Page, Paulden, Prescott, Prescott Valley, Saint Johns, Sedona, Seligman, Shonto, Snowflake-Taylor, Tuba City, Valle, Williams, Window Rock and Winslow. This includes portions of the Apache-Sitgreaves National Forest, Coconino National Forest, Kaibab National Forest, Prescott National Forest and Tonto National Forest. * WINDS...Southwest 20 to 30 mph with gusts up to 40 mph possible. Wind prone areas along the ridges, Kaibab and Coconino plateaus, and eastern slopes of the Mogollon Rim could see higher gusts of up to 50 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity before first responders can contain them. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this red flag warning. && $$ For more information from the National Weather Service visit http://weather.gov/flagstaff
934 WWUS85 KFGZ 192053 RFWFGZ URGENT - FIRE WEATHER MESSAGE National Weather Service Flagstaff AZ 153 PM MST Wed May 19 2021 AZZ104>116-137>140-201100- /O.CON.KFGZ.FW.W.0009.210520T1800Z-210521T0300Z/ Kaibab Plateau (Fire Weather Zone 104)- Marble and Glen Canyons (Fire Weather Zone 105)- Grand Canyon Country (Fire Weather Zone 106)- Coconino Plateau (Fire Weather Zone 107)- Yavapai County Mountains (Fire Weather Zone 108)- Northeast Plateau And Mesas Hwy 264 Northward (Fire Weather Zone 109)-Chinle Valley (Fire Weather Zone 110)- Chuska Mountains and Defiance Plateau (Fire Weather Zone 111)- Little Colorado River Valley in Coconino County (Fire Weather Zone 112)- Little Colorado River Valley in Navajo County (Fire Weather Zone 113)- Little Colorado River Valley in Apache County (Fire Weather Zone 114)-Western Mogollon Rim (Fire Weather Zone 115)- Eastern Mogollon Rim (Fire Weather Zone 116)- Yavapai County Valleys and Basins (Fire Weather Zone 137)- Oak Creek and Sycamore Canyons (Fire Weather Zone 138)- Black Mesa Area (Fire Weather Zone 139)- Northeast Plateaus and Mesas South of Hwy 264 (Fire Weather Zone 140)- 153 PM MST Wed May 19 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MST THURSDAY FOR MUCH OF NORTHERN ARIZONA... * AFFECTED AREA...Locations near Buffalo Pass, Camp Verde, Chinle, Chino Valley, Congress, Cottonwood, Dilkon, Doney Park, Eagar-Springerville, Flagstaff, Forest Lakes, Fredonia, Ganado, Grand Canyon, Heber-Overgaard, Holbrook, Jacob Lake, Kayenta, Kykotsmovi, North Rim, Page, Paulden, Prescott, Prescott Valley, Saint Johns, Sedona, Seligman, Shonto, Snowflake-Taylor, Tuba City, Valle, Williams, Window Rock and Winslow. This includes portions of the Apache-Sitgreaves National Forest, Coconino National Forest, Kaibab National Forest, Prescott National Forest and Tonto National Forest. * WINDS...Southwest 20 to 30 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity before first responders can contain them. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this red flag warning. && $$ For more information from the National Weather Service visit http://weather.gov/flagstaff
596 WWUS85 KFGZ 200918 RFWFGZ URGENT - FIRE WEATHER MESSAGE National Weather Service Flagstaff AZ 218 AM MST Thu May 20 2021 AZZ104>109-112-115-116-137-138-202300- /O.NEW.KFGZ.FW.W.0010.210521T1800Z-210522T0300Z/ /O.CON.KFGZ.FW.W.0009.210520T1800Z-210521T0300Z/ Kaibab Plateau (Fire Weather Zone 104)- Marble and Glen Canyons (Fire Weather Zone 105)- Grand Canyon Country (Fire Weather Zone 106)- Coconino Plateau (Fire Weather Zone 107)- Yavapai County Mountains (Fire Weather Zone 108)- Northeast Plateau And Mesas Hwy 264 Northward (Fire Weather Zone 109)- Little Colorado River Valley in Coconino County (Fire Weather Zone 112)-Western Mogollon Rim (Fire Weather Zone 115)- Eastern Mogollon Rim (Fire Weather Zone 116)- Yavapai County Valleys and Basins (Fire Weather Zone 137)- Oak Creek and Sycamore Canyons (Fire Weather Zone 138)- 218 AM MST Thu May 20 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST THIS EVENING FOR MUCH OF NORTHERN ARIZONA... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MST FRIDAY DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY ACROSS NORTHWESTERN ARIZONA... The National Weather Service in Flagstaff has issued a Red Flag Warning due to strong winds and low relative humidity, which is in effect from 11 AM to 8 PM MST Friday. * AFFECTED AREA...Locations near Camp Verde, Chino Valley, Congress, Cottonwood, Doney Park, Flagstaff, Forest Lakes, Fredonia, Grand Canyon, Heber-Overgaard, Jacob Lake, North Rim, Page, Paulden, Prescott, Prescott Valley, Sedona, Seligman, Tuba City, Valle and Williams. This includes portions of the Apache- Sitgreaves National Forest, Coconino National Forest, Kaibab National Forest, Prescott National Forest and Tonto National Forest. * WINDS...For today and Friday, southwest winds 20 to 30 mph with gusts up to 45 mph. Wind prone areas along the ridges, Kaibab and Coconino plateaus, and eastern slopes of the Mogollon Rim could see higher gusts of up to 55 mph. * RELATIVE HUMIDITY...For today and Friday, 10-15 percent with single digits in lower valleys. * IMPACTS...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity before first responders can contain them. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this red flag warning. && $$ AZZ110-111-113-114-139-140-202300- /O.NEW.KFGZ.FW.A.0009.210521T1800Z-210522T0300Z/ /O.CON.KFGZ.FW.W.0009.210520T1800Z-210521T0300Z/ Chinle Valley (Fire Weather Zone 110)- Chuska Mountains and Defiance Plateau (Fire Weather Zone 111)- Little Colorado River Valley in Navajo County (Fire Weather Zone 113)- Little Colorado River Valley in Apache County (Fire Weather Zone 114)-Black Mesa Area (Fire Weather Zone 139)- Northeast Plateaus and Mesas South of Hwy 264 (Fire Weather Zone 140)- 218 AM MST Thu May 20 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST THIS EVENING FOR MUCH OF NORTHERN ARIZONA... ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR NORTHEASTERN ARIZONA... The National Weather Service in Flagstaff has issued a Fire Weather Watch due to strong winds and low relative humidity, which is in effect from Friday morning through Friday evening. * AFFECTED AREA...Locations near Buffalo Pass, Chinle, Dilkon, Eagar-Springerville, Ganado, Holbrook, Kayenta, Kykotsmovi, Saint Johns, Shonto, Snowflake-Taylor, Window Rock and Winslow. * WINDS...For today and Friday, southwest winds 20 to 30 mph with gusts up to 45 mph. Wind prone areas along the ridges, eastern slopes of the Mogollon Rim, and the Black Mesa area could see higher gusts of up to 55 mph. * RELATIVE HUMIDITY...For today, 8-12 percent. For Friday, 15-20 percent becoming 8-12 percent later in the afternoon. * IMPACTS...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity before first responders can contain them. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are possible. Listen for later forecasts and possible red flag warnings. Please notify field crews of this fire weather watch. && $$ For more information from the National Weather Service visit http://weather.gov/flagstaff
327 WWUS85 KFGZ 202054 RFWFGZ URGENT - FIRE WEATHER MESSAGE National Weather Service Flagstaff AZ 154 PM MST Thu May 20 2021 AZZ104>109-112-115-116-137-138-211500- /O.CON.KFGZ.FW.W.0009.000000T0000Z-210521T0300Z/ /O.CON.KFGZ.FW.W.0010.210521T1800Z-210522T0300Z/ Kaibab Plateau (Fire Weather Zone 104)- Marble and Glen Canyons (Fire Weather Zone 105)- Grand Canyon Country (Fire Weather Zone 106)- Coconino Plateau (Fire Weather Zone 107)- Yavapai County Mountains (Fire Weather Zone 108)- Northeast Plateau And Mesas Hwy 264 Northward (Fire Weather Zone 109)- Little Colorado River Valley in Coconino County (Fire Weather Zone 112)-Western Mogollon Rim (Fire Weather Zone 115)- Eastern Mogollon Rim (Fire Weather Zone 116)- Yavapai County Valleys and Basins (Fire Weather Zone 137)- Oak Creek and Sycamore Canyons (Fire Weather Zone 138)- 154 PM MST Thu May 20 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING FOR MUCH OF NORTHERN ARIZONA... ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MST FRIDAY FOR MUCH OF NORTHERN ARIZONA... * AFFECTED AREA...Locations near Camp Verde, Chino Valley, Congress, Cottonwood, Doney Park, Flagstaff, Forest Lakes, Fredonia, Grand Canyon, Heber-Overgaard, Jacob Lake, North Rim, Page, Paulden, Prescott, Prescott Valley, Sedona, Seligman, Tuba City, Valle and Williams. This includes portions of the Apache- Sitgreaves National Forest, Coconino National Forest, Kaibab National Forest, Prescott National Forest and Tonto National Forest. * WINDS...Southwest 25 to 35 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 6 percent. * IMPACTS...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity before first responders can contain them. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this red flag warning. && $$ AZZ110-111-113-114-139-140-211500- /O.CON.KFGZ.FW.W.0009.000000T0000Z-210521T0300Z/ /O.CON.KFGZ.FW.A.0009.210521T1800Z-210522T0300Z/ Chinle Valley (Fire Weather Zone 110)- Chuska Mountains and Defiance Plateau (Fire Weather Zone 111)- Little Colorado River Valley in Navajo County (Fire Weather Zone 113)- Little Colorado River Valley in Apache County (Fire Weather Zone 114)-Black Mesa Area (Fire Weather Zone 139)- Northeast Plateaus and Mesas South of Hwy 264 (Fire Weather Zone 140)- 154 PM MST Thu May 20 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING FOR MUCH OF NORTHERN ARIZONA... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR NORTHEASTERN ARIZONA... * AFFECTED AREA...Locations near Buffalo Pass, Chinle, Dilkon, Eagar-Springerville, Ganado, Holbrook, Kayenta, Kykotsmovi, Saint Johns, Shonto, Snowflake-Taylor, Window Rock and Winslow. * WINDS...South 25 to 35 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity before first responders can contain them. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are possible. Listen for later forecasts and possible red flag warnings. Please notify field crews of this fire weather watch. && $$ For more information from the National Weather Service visit http://weather.gov/flagstaff
933 WWUS85 KFGZ 210206 RFWFGZ URGENT - FIRE WEATHER MESSAGE National Weather Service Flagstaff AZ 706 PM MST Thu May 20 2021 AZZ104>109-112-115-116-137-138-211200- /O.CAN.KFGZ.FW.W.0009.000000T0000Z-210521T0300Z/ /O.CON.KFGZ.FW.W.0010.210521T1800Z-210522T0300Z/ Kaibab Plateau (Fire Weather Zone 104)- Marble and Glen Canyons (Fire Weather Zone 105)- Grand Canyon Country (Fire Weather Zone 106)- Coconino Plateau (Fire Weather Zone 107)- Yavapai County Mountains (Fire Weather Zone 108)- Northeast Plateau And Mesas Hwy 264 Northward (Fire Weather Zone 109)- Little Colorado River Valley in Coconino County (Fire Weather Zone 112)-Western Mogollon Rim (Fire Weather Zone 115)- Eastern Mogollon Rim (Fire Weather Zone 116)- Yavapai County Valleys and Basins (Fire Weather Zone 137)- Oak Creek and Sycamore Canyons (Fire Weather Zone 138)- 706 PM MST Thu May 20 2021 ...RED FLAG WARNING FOR THURSDAY HAS BEEN CANCELLED DUE TO DECREASING WIND SPEEDS AND REBOUNDING RELATIVE HUMIDITY... ...RED FLAG WARNING FOR FRIDAY REMAINS IN EFFECT FROM 11 AM TO 8 PM MST ACROSS MUCH OF NORTHERN ARIZONA... The National Weather Service in Flagstaff has cancelled the Red Flag Warning for the remainder of today, but the Red Flag Warning for Friday remains in effect from 11 AM to 8 PM MST. * AFFECTED AREA...Locations near Camp Verde, Chino Valley, Congress, Cottonwood, Doney Park, Flagstaff, Forest Lakes, Fredonia, Grand Canyon, Heber-Overgaard, Jacob Lake, North Rim, Page, Paulden, Prescott, Prescott Valley, Sedona, Seligman, Tuba City, Valle and Williams. This includes portions of the Apache- Sitgreaves National Forest, Coconino National Forest, Kaibab National Forest, Prescott National Forest and Tonto National Forest. * WINDS...South 25 to 35 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 6 percent. * IMPACTS...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity before first responders can contain them. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this red flag warning. && $$ AZZ110-111-113-114-139-140-211200- /O.CAN.KFGZ.FW.W.0009.000000T0000Z-210521T0300Z/ /O.CON.KFGZ.FW.A.0009.210521T1800Z-210522T0300Z/ Chinle Valley (Fire Weather Zone 110)- Chuska Mountains and Defiance Plateau (Fire Weather Zone 111)- Little Colorado River Valley in Navajo County (Fire Weather Zone 113)- Little Colorado River Valley in Apache County (Fire Weather Zone 114)-Black Mesa Area (Fire Weather Zone 139)- Northeast Plateaus and Mesas South of Hwy 264 (Fire Weather Zone 140)- 706 PM MST Thu May 20 2021 ...RED FLAG WARNING FOR THURSDAY HAS BEEN CANCELLED DUE TO DECREASING WIND SPEEDS AND REBOUNDING RELATIVE HUMIDITY... ...FIRE WEATHER WATCH FOR FRIDAY REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR NORTHEASTERN ARIZONA... The National Weather Service in Flagstaff has cancelled the Red Flag Warning for the remainder of today, but the Fire Weather Watch for Friday remains in effect. * AFFECTED AREA...Locations near Buffalo Pass, Chinle, Dilkon, Eagar-Springerville, Ganado, Holbrook, Kayenta, Kykotsmovi, Saint Johns, Shonto, Snowflake-Taylor, Window Rock and Winslow. * WINDS...South 25 to 35 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity before first responders can contain them. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are possible. Listen for later forecasts and possible red flag warnings. Please notify field crews of this fire weather watch. && $$ For more information from the National Weather Service visit http://weather.gov/flagstaff
Nearby
Red Flag Warnings in Arizona, 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.