Alert archive / Arizona / Wind Advisories in 2021
Wind Advisory 15, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this wind advisory at Apr 20, 2021, 2:04 AM MST for 4 counties in Arizona. It took effect at Apr 21, 2021, 11:00 AM MST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Apr 20, 2021, 2:04 AM MST (09:04 UTC)
- In effect from
- Apr 21, 2021, 11:00 AM MST
- Expired
- Apr 21, 2021, 7:00 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 09:03 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, 9.1 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
- 3902 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
841 WWUS75 KFGZ 200904 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 204 AM MST Tue Apr 20 2021 AZZ006>008-011>017-039-040-220200- /O.NEW.KFGZ.WI.Y.0015.210421T1800Z-210422T0200Z/ Grand Canyon Country-Coconino Plateau-Yavapai County Mountains- Chuska Mountains and Defiance Plateau- Little Colorado River Valley in Coconino County- Little Colorado River Valley in Navajo County- Little Colorado River Valley in Apache County- Western Mogollon Rim-Eastern Mogollon Rim-White Mountains- Black Mesa Area-Northeast Plateaus and Mesas South of Hwy 264- Including the cities of Grand Canyon Village, Supai, North Rim, Valle, Prescott, Seligman, Ash Fork, Window Rock, Ganado, Wupatki N.M., Tuba City, Winslow, Holbrook, Snowflake, St. Johns, Springerville, Flagstaff, Williams, Munds Park, Heber, Happy Jack, Forest Lakes, Show Low, Greer, Pinetop, Navajo N.M., Dilkon, and Kykotsmovi 204 AM MST Tue Apr 20 2021 ...WIND ADVISORY IN EFFECT FROM 11 AM TO 7 PM MST WEDNESDAY... * WHAT...Southwest winds 20 to 30 mph, gusts from 40 to 50 mph. * WHERE...The higher elevations of Yavapai county, southern and central Coconino county and much of Navajo and Apache counties. * WHEN...From 11 AM to 7 PM MST Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Winds this strong can make driving difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/flagstaff
4 follow-up statements
397 WWUS75 KFGZ 202056 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 156 PM MST Tue Apr 20 2021 AZZ006>008-011>017-039-040-220200- /O.CON.KFGZ.WI.Y.0015.210421T1800Z-210422T0200Z/ Grand Canyon Country-Coconino Plateau-Yavapai County Mountains- Chuska Mountains and Defiance Plateau- Little Colorado River Valley in Coconino County- Little Colorado River Valley in Navajo County- Little Colorado River Valley in Apache County- Western Mogollon Rim-Eastern Mogollon Rim-White Mountains- Black Mesa Area-Northeast Plateaus and Mesas South of Hwy 264- Including the cities of Grand Canyon Village, Supai, North Rim, Valle, Prescott, Seligman, Ash Fork, Window Rock, Ganado, Wupatki N.M., Tuba City, Winslow, Holbrook, Snowflake, St. Johns, Springerville, Flagstaff, Williams, Munds Park, Heber, Happy Jack, Forest Lakes, Show Low, Greer, Pinetop, Navajo N.M., Dilkon, and Kykotsmovi 156 PM MST Tue Apr 20 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM TO 7 PM MST WEDNESDAY... * WHAT...Southwest winds 20 to 30 mph with gusts up to 40-50 mph expected. * WHERE...The higher elevations of Yavapai county, southern and central Coconino county and much of Navajo and Apache counties. * WHEN...From 11 AM to 7 PM MST Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Winds this strong can make driving difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/flagstaff
582 WWUS75 KFGZ 211049 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 349 AM MST Wed Apr 21 2021 AZZ006>008-011>017-039-040-220200- /O.CON.KFGZ.WI.Y.0015.210421T1800Z-210422T0200Z/ Grand Canyon Country-Coconino Plateau-Yavapai County Mountains- Chuska Mountains and Defiance Plateau- Little Colorado River Valley in Coconino County- Little Colorado River Valley in Navajo County- Little Colorado River Valley in Apache County- Western Mogollon Rim-Eastern Mogollon Rim-White Mountains- Black Mesa Area-Northeast Plateaus and Mesas South of Hwy 264- Including the cities of Grand Canyon Village, Supai, North Rim, Valle, Prescott, Seligman, Ash Fork, Window Rock, Ganado, Wupatki N.M., Tuba City, Winslow, Holbrook, Snowflake, St. Johns, Springerville, Flagstaff, Williams, Munds Park, Heber, Happy Jack, Forest Lakes, Show Low, Greer, Pinetop, Navajo N.M., Dilkon, and Kykotsmovi 349 AM MST Wed Apr 21 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM MST THIS EVENING... * WHAT...Southwest winds 20 to 30 mph, gusts from 40 to 50 mph. * WHERE...The higher elevations of Yavapai county, southern and central Coconino county and much of Navajo and Apache counties. * WHEN...From 11 AM to 7 PM MST Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Winds this strong can make driving difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/flagstaff
396 WWUS75 KFGZ 211815 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 1115 AM MST Wed Apr 21 2021 AZZ006>008-011>017-039-040-220200- /O.CON.KFGZ.WI.Y.0015.000000T0000Z-210422T0200Z/ Grand Canyon Country-Coconino Plateau-Yavapai County Mountains- Chuska Mountains and Defiance Plateau- Little Colorado River Valley in Coconino County- Little Colorado River Valley in Navajo County- Little Colorado River Valley in Apache County- Western Mogollon Rim-Eastern Mogollon Rim-White Mountains- Black Mesa Area-Northeast Plateaus and Mesas South of Hwy 264- Including the cities of Grand Canyon Village, Supai, North Rim, Valle, Prescott, Seligman, Ash Fork, Window Rock, Ganado, Wupatki N.M., Tuba City, Winslow, Holbrook, Snowflake, St. Johns, Springerville, Flagstaff, Williams, Munds Park, Heber, Happy Jack, Forest Lakes, Show Low, Greer, Pinetop, Navajo N.M., Dilkon, and Kykotsmovi 1115 AM MST Wed Apr 21 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING... * WHAT...Southwest winds 25 to 35 mph, gusts from 45 to 55 mph. * WHERE...The higher elevations of Yavapai County, southern and central Coconino County and much of Navajo and Apache counties. * WHEN...Through 7 PM MST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Winds this strong can make driving difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/flagstaff
789 WWUS75 KFGZ 220157 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 657 PM MST Wed Apr 21 2021 AZZ006>008-011>017-039-040-220300- /O.EXP.KFGZ.WI.Y.0015.000000T0000Z-210422T0200Z/ Grand Canyon Country-Coconino Plateau-Yavapai County Mountains- Chuska Mountains and Defiance Plateau- Little Colorado River Valley in Coconino County- Little Colorado River Valley in Navajo County- Little Colorado River Valley in Apache County- Western Mogollon Rim-Eastern Mogollon Rim-White Mountains- Black Mesa Area-Northeast Plateaus and Mesas South of Hwy 264- Including the cities of Grand Canyon Village, Supai, North Rim, Valle, Prescott, Seligman, Ash Fork, Window Rock, Ganado, Wupatki N.M., Tuba City, Winslow, Holbrook, Snowflake, St. Johns, Springerville, Flagstaff, Williams, Munds Park, Heber, Happy Jack, Forest Lakes, Show Low, Greer, Pinetop, Navajo N.M., Dilkon, and Kykotsmovi 657 PM MST Wed Apr 21 2021 ...WIND ADVISORY WILL EXPIRE AT 7 PM MST THIS EVENING... Winds across northern Arizona will continue to diminish this evening and the wind advisory will be allowed to expire. $$ For more information from the National Weather Service visit https://weather.gov/flagstaff
The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 2:10 AM MST | Fire Weather Watch | FGZ | Apache, Coconino, Navajo | 12 hr |
| Apr 20, 1:53 PM MST | Red Flag Warning | FGZ | Apache, Coconino, Gila, Navajo, Yavapai | 29 hr |
Nearby
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.