Alert archive / Arizona / Red Flag Warnings in 2021
Red Flag Warning 10, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this red flag warning at May 20, 2021, 2:18 AM MST for Coconino County, Navajo County, Yavapai County, Arizona. It took effect at May 21, 2021, 11:00 AM MST. It was in force for 9 hr. 14 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 20, 2021, 2:18 AM MST (09:18 UTC)
- In effect from
- May 21, 2021, 11:00 AM MST
- Expired
- May 21, 2021, 8:00 PM MST
- In force
- 9 hr
- Issued by
- NWS Flagstaff, AZ
Counties Coconino County, AZ, Navajo County, AZ, Yavapai County, AZ
The radar
The Flagstaff radar (KFSX), 85 km from the middle of the area, began a volume at 09:20 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 21, 12:30 PM MST | NON-TSTM WND GST 55 | 1 Ese Twin Arrows, AZ | SUSTAINED WINDS FROM 35-45 MPH AND GUSTS OF 50-60 MPH LOFTED DUST AND SAND INTO THE AIR NEAR TWIN ARROWS AND TWO GUNS ALONG I-40. LIMITED VISIBILITY DOWN TO AN ESTIMATED ONE-HALF MILE WAS REPORTED IN PHOTOS POSTED ON FACEBOOK FOR THIS PART OF THE INTERSTATE. |
| May 21, 12:40 PM MST | NON-TSTM WND GST 56 | 6 S Parks, AZ | MESONET STATION AT850 PARKS. |
| May 21, 12:43 PM MST | NON-TSTM WND GST 57 | 5 Wsw Williams, AZ | MESONET STATION AZT04 I-40 @ PINE SPRINGS MM 159. |
| May 21, 12:55 PM MST | NON-TSTM WND GST 58 | 3 Ne Show Low, AZ | AWOS STATION KSOW SHOW LOW AIRPORT. |
| May 21, 12:58 PM MST | NON-TSTM WND GST 56 | 3 Sw Tusayan, AZ | ASOS STATION KGCN GRAND CANYON AIRPORT. |
| May 21, 1:13 PM MST | NON-TSTM WND GST 68 | 1 W Two Guns, AZ | MESONET STATION AZT09 I-40 @ TWO GUNS MM 230. |
| May 21, 1:19 PM MST | NON-TSTM WND GST 61 | 4 N House Rock, AZ | MESONET STATION QFSA3 FOUR SPRINGS W. VERMILLION CLIFFS. |
| May 21, 1:30 PM MST | NON-TSTM WND GST 59 | Arizona Snowbowl, AZ | MESONET STATION ASBLS ARIZONA SNOWBOWL LIL SPRUCE. |
| May 21, 1:48 PM MST | NON-TSTM WND GST 66 | 1 Sse Flagstaff Airport, AZ | ASOS STATION KFLG FLAGSTAFF AIRPORT. |
| May 21, 1:54 PM MST | NON-TSTM WND GST 66 | Bellemont (Nws Flagstaf, AZ | MESONET STATION AV601 BELLEMONT. |
| May 21, 1:55 PM MST | NON-TSTM WND GST 55 | 3 Nnw Williams, AZ | AWOS STATION KCMR WILLIAMS AIRPORT. |
| May 21, 2:43 PM MST | NON-TSTM WND GST 63 | 5 Nnw Aripine, AZ | MESONET STATION AZT10 HWY 277 - 377 INTERSECTION. |
| May 21, 3:15 PM MST | NON-TSTM WND GST 56 | 3 Ese Heber-Overgaard, AZ | AWOS STATION AZ82 HEBER 2 ESE MOGOLLON AIRPARK. |
| May 21, 5:28 PM MST | NON-TSTM WND DMG | Flagstaff, AZ | MULTIPLE REPORTS OF UPROOTED AND DOWNED TREES, ALONG WITH BROKEN TREE BRANCHES, THROUGHOUT THE GREATER FLAGSTAFF AREA FROM STRONG SOUTHWESTERLY WINDS DURING THE EARLY MORNING HOURS AND THROUGHOUT THE DAYLIGHT PERIOD. LOCALIZED POWER OUTAGES WERE ALSO REPORTED |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Flgstf/Belemont, AZ (KFGZ), launched 00:00Z, 9.3 hours before the alert went out and 24 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
- 2995 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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
5 follow-up statements
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
206 WWUS85 KFGZ 211128 RFWFGZ URGENT - FIRE WEATHER MESSAGE National Weather Service Flagstaff AZ 428 AM MST Fri May 21 2021 AZZ115-116-220300- /O.CAN.KFGZ.FW.W.0010.210521T1800Z-210522T0300Z/ /O.NEW.KFGZ.FW.A.0010.210522T1800Z-210523T0300Z/ Western Mogollon Rim (Fire Weather Zone 115)- Eastern Mogollon Rim (Fire Weather Zone 116)- 428 AM MST Fri May 21 2021 ...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY ALONG THE MOGOLLON RIM... ...RED FLAG WARNING IS CANCELLED FOR TODAY DUE TO RECENT RAINFALL AND HIGHER HUMIDITY FOR THE MOGOLLON RIM... 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 Saturday morning through Saturday evening. The Red Flag Warning for today has been cancelled. * 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 25 to 35 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 10 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. && $$ AZZ110-111-113-114-139-140-220300- /O.CAN.KFGZ.FW.A.0009.210521T1800Z-210522T0300Z/ /O.NEW.KFGZ.FW.A.0010.210522T1800Z-210523T0300Z/ Chinle Valley (Fire Weather Zone 110)- Chuska Mountains and Defiance Plateau (Fire Weather Zone 111)- Little Colorado River Valley in Navajo County (Fire Weather Zone 113)- Little Colorado River Valley in Apache County (Fire Weather Zone 114)-Black Mesa Area (Fire Weather Zone 139)- Northeast Plateaus and Mesas South of Hwy 264 (Fire Weather Zone 140)- 428 AM MST Fri May 21 2021 ...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR NORTHEAST ARIZONA AND THE NAVAJO NATION... ...FIRE WEATHER WATCH IS CANCELLED FOR TODAY DUE TO HIGHER HUMIDITY FOR NORTHEAST ARIZONA... The National Weather Service in Flagstaff has issued a Fire Weather Watch due to strong winds and low relative humidity, which is in effect from Saturday morning through Saturday evening. The Fire Weather Watch has been cancelled. * AFFECTED AREA...Locations near Buffalo Pass, Chinle, Dilkon, Eagar-Springerville, Ganado, Holbrook, Kayenta, Kykotsmovi, Saint Johns, Shonto, Snowflake-Taylor, Window Rock and Winslow. * WINDS...Southwest 25 to 35 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity before first responders can contain them. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are possible. Listen for later forecasts and possible red flag warnings. Please notify field crews of this fire weather watch. && $$ AZZ109-112-220300- /O.NEW.KFGZ.FW.A.0010.210522T1800Z-210523T0300Z/ /O.CON.KFGZ.FW.W.0010.210521T1800Z-210522T0300Z/ Northeast Plateau And Mesas Hwy 264 Northward (Fire Weather Zone 109)- Little Colorado River Valley in Coconino County (Fire Weather Zone 112)- 428 AM MST Fri May 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST THIS EVENING DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR NORTHERN ARIZONA... ...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR NORTHERN 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 Saturday morning through Saturday evening. * AFFECTED AREA...Locations near Tuba City. * WINDS...For today and Saturday, southwest 25 to 35 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...For today and Saturday, 8 to 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 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. && $$ AZZ104>108-137-138-220300- /O.CON.KFGZ.FW.W.0010.210521T1800Z-210522T0300Z/ Kaibab Plateau (Fire Weather Zone 104)- Marble and Glen Canyons (Fire Weather Zone 105)- Grand Canyon Country (Fire Weather Zone 106)- Coconino Plateau (Fire Weather Zone 107)- Yavapai County Mountains (Fire Weather Zone 108)- Yavapai County Valleys and Basins (Fire Weather Zone 137)- Oak Creek and Sycamore Canyons (Fire Weather Zone 138)- 428 AM MST Fri May 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST THIS EVENING DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR NORTHWESTERN ARIZONA... * AFFECTED AREA...Locations near Camp Verde, Chino Valley, Congress, Cottonwood, Fredonia, Grand Canyon, Jacob Lake, North Rim, Page, Paulden, Prescott, Prescott Valley, Sedona, Seligman and Valle. This includes portions of the Coconino National Forest, Kaibab National Forest, Prescott National Forest and Tonto National Forest. * WINDS...Southwest 20 to 30 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity before first responders can contain them. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this red flag warning. && $$ AZZ117-220300- /O.NEW.KFGZ.FW.A.0010.210522T1800Z-210523T0300Z/ White Mountains (Fire Weather Zone 117)- 428 AM MST Fri May 21 2021 ...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE WHITE MOUNTAINS... 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 Saturday morning through Saturday evening. * AFFECTED AREA...Locations near Alpine, Pinetop-Lakeside, Show Low and Whiteriver. This includes portions of the Apache- Sitgreaves National Forest. * WINDS...Southwest 25 to 35 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 13 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. && $$ For more information from the National Weather Service visit http://weather.gov/flagstaff
725 WWUS85 KFGZ 212038 RFWFGZ URGENT - FIRE WEATHER MESSAGE National Weather Service Flagstaff AZ 138 PM MST Fri May 21 2021 AZZ115>117-212145- /O.CAN.KFGZ.FW.A.0010.210522T1800Z-210523T0300Z/ Western Mogollon Rim (Fire Weather Zone 115)- Eastern Mogollon Rim (Fire Weather Zone 116)- White Mountains (Fire Weather Zone 117)- 138 PM MST Fri May 21 2021 ...FIRE WEATHER WATCH IS CANCELLED... The National Weather Service in Flagstaff has upgraded the Fire Weather Watch to a Red Flag Warning. $$ AZZ109-112-230300- /O.UPG.KFGZ.FW.A.0010.210522T1800Z-210523T0300Z/ /O.NEW.KFGZ.FW.W.0011.210522T1800Z-210523T0300Z/ /O.CON.KFGZ.FW.W.0010.000000T0000Z-210522T0300Z/ Northeast Plateau And Mesas Hwy 264 Northward (Fire Weather Zone 109)- Little Colorado River Valley in Coconino County (Fire Weather Zone 112)- 138 PM MST Fri May 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING FOR NORTHERN ARIZONA... ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MST SATURDAY DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR NORTHEAST ARIZONA AND THE NAVAJO NATION... 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 Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Locations near Tuba City. * 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. && $$ AZZ110-111-113-114-139-140-230300- /O.UPG.KFGZ.FW.A.0010.210522T1800Z-210523T0300Z/ /O.NEW.KFGZ.FW.W.0011.210522T1800Z-210523T0300Z/ Chinle Valley (Fire Weather Zone 110)- Chuska Mountains and Defiance Plateau (Fire Weather Zone 111)- Little Colorado River Valley in Navajo County (Fire Weather Zone 113)- Little Colorado River Valley in Apache County (Fire Weather Zone 114)-Black Mesa Area (Fire Weather Zone 139)- Northeast Plateaus and Mesas South of Hwy 264 (Fire Weather Zone 140)- 138 PM MST Fri May 21 2021 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MST SATURDAY DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR NORTHEAST ARIZONA AND THE NAVAJO NATION... The National Weather Service in Flagstaff has issued a Red Flag Warning due to strong winds and low relative humidity, which is in effect from 11 AM to 8 PM MST Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Locations near Buffalo Pass, Chinle, Dilkon, Eagar-Springerville, Ganado, Holbrook, Kayenta, Kykotsmovi, Saint Johns, Shonto, Snowflake-Taylor, Window Rock and Winslow. * WINDS...Southwest 25 to 35 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity before first responders can contain them. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this red flag warning. && $$ AZZ104>108-137-138-220300- /O.CON.KFGZ.FW.W.0010.000000T0000Z-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)- Yavapai County Valleys and Basins (Fire Weather Zone 137)- Oak Creek and Sycamore Canyons (Fire Weather Zone 138)- 138 PM MST Fri May 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING FOR NORTHWESTERN ARIZONA... * AFFECTED AREA...Locations near Camp Verde, Chino Valley, Congress, Cottonwood, Fredonia, Grand Canyon, Jacob Lake, North Rim, Page, Paulden, Prescott, Prescott Valley, Sedona, Seligman and Valle. 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 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. && $$ For more information from the National Weather Service visit http://weather.gov/flagstaff
320 WWUS85 KFGZ 220253 RFWFGZ URGENT - FIRE WEATHER MESSAGE National Weather Service Flagstaff AZ 753 PM MST Fri May 21 2021 AZZ109-112-221215- /O.EXP.KFGZ.FW.W.0010.000000T0000Z-210522T0300Z/ /O.CON.KFGZ.FW.W.0011.210522T1800Z-210523T0300Z/ Northeast Plateau And Mesas Hwy 264 Northward (Fire Weather Zone 109)- Little Colorado River Valley in Coconino County (Fire Weather Zone 112)- 753 PM MST Fri May 21 2021 ...RED FLAG WARNING FOR FRIDAY WILL EXPIRE AT 8 PM MST THIS EVENING FOR AREAS IN NORTH-CENTRAL ARIZONA... ...RED FLAG WARNING FOR SATURDAY REMAINS IN EFFECT FROM 11 AM TO 8 PM MST (NOON TO 9 PM NAVAJO NATION) FOR NORTHEAST ARIZONA AND THE NAVAJO NATION... * AFFECTED AREA...Locations near Tuba City, Leupp and Kaibito. * WINDS...South 20 to 30 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 6 percent. * IMPACTS...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity before first responders can contain them. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this red flag warning. && $$ AZZ104>108-137-138-220400- /O.EXP.KFGZ.FW.W.0010.000000T0000Z-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)- Yavapai County Valleys and Basins (Fire Weather Zone 137)- Oak Creek and Sycamore Canyons (Fire Weather Zone 138)- 753 PM MST Fri May 21 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM MST THIS EVENING... The Red Flag Warning for today (Friday) will be allowed to expire at 8 PM MST (9 PM Navajo Nation). Wind gusts are slowly decreasing across north-central Arizona and relative humidity will continue to rebound through the rest of this evening. $$ AZZ110-111-113-114-139-140-221215- /O.CON.KFGZ.FW.W.0011.210522T1800Z-210523T0300Z/ Chinle Valley (Fire Weather Zone 110)- Chuska Mountains and Defiance Plateau (Fire Weather Zone 111)- Little Colorado River Valley in Navajo County (Fire Weather Zone 113)- Little Colorado River Valley in Apache County (Fire Weather Zone 114)-Black Mesa Area (Fire Weather Zone 139)- Northeast Plateaus and Mesas South of Hwy 264 (Fire Weather Zone 140)- 753 PM MST Fri May 21 2021 ...RED FLAG WARNING FOR SATURDAY REMAINS IN EFFECT FROM 11 AM TO 8 PM MST (NOON TO 9 PM NAVAJO NATION) FOR NORTHEAST ARIZONA AND THE NAVAJO NATION... * AFFECTED AREA...Locations near Buffalo Pass, Chinle, Dilkon, Eagar-Springerville, Ganado, Holbrook, Kayenta, Kykotsmovi, Saint Johns, Shonto, Snowflake-Taylor, Window Rock and Winslow. * WINDS...Southwest 25 to 35 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity before first responders can contain them. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this red flag warning. && $$ For more information from the National Weather Service visit http://weather.gov/flagstaff
The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 2:18 AM MST | Fire Weather Watch | FGZ | Apache, Coconino, Navajo | 26 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.