Alert archive / Arizona / Wind Advisories in 2021
Wind Advisory 13, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this wind advisory at Apr 13, 2021, 2:45 PM MST for 4 counties in Arizona. It took effect at Apr 14, 2021, 10:00 AM MST. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Apr 13, 2021, 2:45 PM MST (21:45 UTC)
- In effect from
- Apr 14, 2021, 10:00 AM MST
- Expired
- Apr 14, 2021, 8:00 PM MST
- In force
- 10 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 21:46 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 12:00Z, 9.8 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
- 1773 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
060 WWUS75 KFGZ 132145 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 245 PM MST Tue Apr 13 2021 AZZ004>017-039-040-140545- /O.NEW.KFGZ.WI.Y.0013.210414T1700Z-210415T0300Z/ Kaibab Plateau-Marble and Glen Canyons-Grand Canyon Country- Coconino Plateau-Yavapai County Mountains- Northeast Plateaus and Mesas Hwy 264 Northward-Chinle Valley- 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 Jacob Lake, Fredonia, Page, Lees Ferry, Grand Canyon Village, Supai, North Rim, Valle, Prescott, Seligman, Ash Fork, Keams Canyon, Kaibito, Canyon De Chelly, Chinle, Kayenta, 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 245 PM MST Tue Apr 13 2021 ...WIND ADVISORY IN EFFECT FROM 10 AM TO 8 PM MST WEDNESDAY... * WHAT...Southwest winds 20 to 30 mph with gusts of 40 to 50 mph expected. * WHERE...The higher elevations of Yavapai County and along and north of a line extending through Seligman, Flagstaff and Show Low. The very strongest winds will be along and north of Interstate-40. * WHEN...From 10 AM to 8 PM MST Wednesday. The Strongest winds Wednesday afternoon. * IMPACTS...Winds this strong can make driving difficult, especially for high profile vehicles. In addition, areas of low visibility in blowing dust are possible Wednesday afternoon along and north of Interstate-40 east of Flagstaff including the Navajo and Hopi nations. Gusty winds could blow around unsecured objects. 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
157 WWUS75 KFGZ 132203 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 303 PM MST Tue Apr 13 2021 AZZ004>017-039-040-150300- /O.CON.KFGZ.WI.Y.0013.210414T1700Z-210415T0300Z/ Kaibab Plateau-Marble and Glen Canyons-Grand Canyon Country- Coconino Plateau-Yavapai County Mountains- Northeast Plateaus and Mesas Hwy 264 Northward-Chinle Valley- 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 Jacob Lake, Fredonia, Page, Lees Ferry, Grand Canyon Village, Supai, North Rim, Valle, Prescott, Seligman, Ash Fork, Keams Canyon, Kaibito, Canyon De Chelly, Chinle, Kayenta, 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 303 PM MST Tue Apr 13 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM TO 8 PM MST WEDNESDAY... * WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...The higher elevations of Yavapai County and along and north of a line extending through Seligman, Flagstaff and Show Low. The very strongest winds will be along and north of Interstate-40. * WHEN...From 10 AM to 8 PM MST Wednesday. * IMPACTS...Winds this strong can make driving difficult, especially for high profile vehicles. In addition, areas of low visibility in blowing dust are possible Wednesday afternoon along and north of Interstate-40 east of Flagstaff including the Navajo and Hopi nations. Gusty winds could blow around unsecured objects. 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
968 WWUS75 KFGZ 141015 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 315 AM MST Wed Apr 14 2021 AZZ004>017-039-040-150300- /O.CON.KFGZ.WI.Y.0013.210414T1700Z-210415T0300Z/ Kaibab Plateau-Marble and Glen Canyons-Grand Canyon Country- Coconino Plateau-Yavapai County Mountains- Northeast Plateaus and Mesas Hwy 264 Northward-Chinle Valley- 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 Jacob Lake, Fredonia, Page, Lees Ferry, Grand Canyon Village, Supai, North Rim, Valle, Prescott, Seligman, Ash Fork, Keams Canyon, Kaibito, Canyon De Chelly, Chinle, Kayenta, 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 315 AM MST Wed Apr 14 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM MST THIS EVENING... * WHAT...Southwest winds 25 to 30 mph with gusts up to 50 mph expected. * WHERE...The higher elevations of Yavapai County and along and north of a line extending through Seligman, Flagstaff and Show Low. The very strongest winds will be along and north of Interstate-40. * WHEN...From 10 AM this morning to 8 PM MST this evening. * IMPACTS...Winds this strong can make driving difficult, especially for high profile vehicles. In addition, areas of low visibility in blowing dust are possible along and north of Interstate-40 east of Flagstaff, and across much of the Navajo and Hopi reservations. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/flagstaff
757 WWUS75 KFGZ 142158 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 258 PM MST Wed Apr 14 2021 AZZ011-013-014-016-017-040-150600- /O.NEW.KFGZ.WI.Y.0014.210415T1700Z-210416T0300Z/ /O.CON.KFGZ.WI.Y.0013.000000T0000Z-210415T0300Z/ Chuska Mountains and Defiance Plateau- Little Colorado River Valley in Navajo County- Little Colorado River Valley in Apache County- Eastern Mogollon Rim-White Mountains- Northeast Plateaus and Mesas South of Hwy 264- Including the cities of Window Rock, Ganado, Winslow, Holbrook, Snowflake, St. Johns, Springerville, Heber, Happy Jack, Forest Lakes, Show Low, Greer, Pinetop, Dilkon, and Kykotsmovi 258 PM MST Wed Apr 14 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... ...WIND ADVISORY IN EFFECT FROM 10 AM TO 8 PM MST THURSDAY... * WHAT...For the first Wind Advisory, southwest winds 20 to 30 mph with gusts up to 50 mph. For the second Wind Advisory, west winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...East-central and northeast Arizona. * WHEN...For the first Wind Advisory, until 8 PM MST this evening. For the second Wind Advisory, from 10 AM to 8 PM MST Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. In addition, winds this strong can make driving difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ AZZ004>010-012-015-039-150300- /O.CON.KFGZ.WI.Y.0013.000000T0000Z-210415T0300Z/ Kaibab Plateau-Marble and Glen Canyons-Grand Canyon Country- Coconino Plateau-Yavapai County Mountains- Northeast Plateaus and Mesas Hwy 264 Northward-Chinle Valley- Little Colorado River Valley in Coconino County- Western Mogollon Rim-Black Mesa Area- Including the cities of Jacob Lake, Fredonia, Page, Lees Ferry, Grand Canyon Village, Supai, North Rim, Valle, Prescott, Seligman, Ash Fork, Keams Canyon, Kaibito, Canyon De Chelly, Chinle, Kayenta, Wupatki N.M., Tuba City, Flagstaff, Williams, Munds Park, and Navajo N.M. 258 PM MST Wed Apr 14 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph. * WHERE...The higher elevations of Yavapai County and along and north of a line extending through Seligman, Flagstaff and Show Low. The very strongest winds will be along and north of Interstate-40. * WHEN...Until 8 PM MST this evening. * IMPACTS...Winds this strong can make driving difficult, especially for high profile vehicles. In addition, areas of low visibility in blowing dust are possible along and north of Interstate-40 east of Flagstaff, and across much of the Navajo and Hopi reservations. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/flagstaff
897 WWUS75 KFGZ 150303 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 803 PM MST Wed Apr 14 2021 AZZ011-013-014-016-017-040-151830- /O.EXP.KFGZ.WI.Y.0013.000000T0000Z-210415T0300Z/ /O.CON.KFGZ.WI.Y.0014.210415T1700Z-210416T0300Z/ Chuska Mountains and Defiance Plateau- Little Colorado River Valley in Navajo County- Little Colorado River Valley in Apache County- Eastern Mogollon Rim-White Mountains- Northeast Plateaus and Mesas South of Hwy 264- Including the cities of Window Rock, Ganado, Winslow, Holbrook, Snowflake, St. Johns, Springerville, Heber, Happy Jack, Forest Lakes, Show Low, Greer, Pinetop, Dilkon, and Kykotsmovi 803 PM MST Wed Apr 14 2021 ...WIND ADVISORY FOR WEDNESDAY EXPIRED AT 8 PM MST THIS EVENING... ...ANOTHER WIND ADVISORY REMAINS IN EFFECT ON THURSDAY FROM 10 AM TO 8 PM MST (11 AM TO 9 PM NAVAJO NATION)... * WHAT...West winds 20 to 30 mph with gusts up to 45 mph. * WHERE...East-central and northeast Arizona. * WHEN...From 10 AM to 8 PM MST Thursday. * IMPACTS...Gusty winds could blow around unsecured objects. In addition, winds this strong can make driving difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ AZZ004>010-012-015-039-150415- /O.EXP.KFGZ.WI.Y.0013.000000T0000Z-210415T0300Z/ Kaibab Plateau-Marble and Glen Canyons-Grand Canyon Country- Coconino Plateau-Yavapai County Mountains- Northeast Plateaus and Mesas Hwy 264 Northward-Chinle Valley- Little Colorado River Valley in Coconino County- Western Mogollon Rim-Black Mesa Area- Including the cities of Jacob Lake, Fredonia, Page, Lees Ferry, Grand Canyon Village, Supai, North Rim, Valle, Prescott, Seligman, Ash Fork, Keams Canyon, Kaibito, Canyon De Chelly, Chinle, Kayenta, Wupatki N.M., Tuba City, Flagstaff, Williams, Munds Park, and Navajo N.M. 803 PM MST Wed Apr 14 2021 ...WIND ADVISORY EXPIRED AT 8 PM MST THIS EVENING... Windy conditions will continue to decrease in speed across northern Arizona, while remaining breezy overnight. Expect daytime winds to increase again on Thursday. $$ 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 13, 2:25 PM MST | Fire Weather Watch | FGZ | Apache, Coconino, Navajo | 24 hr |
| Apr 13, 2:25 PM MST | Red Flag Warning | FGZ | Apache, Coconino, Navajo | 30 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.