Alert archive / Arizona / Wind Advisories in 2021
Wind Advisory 12, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this wind advisory at Apr 4, 2021, 1:07 PM MST for Apache County, Coconino County, Navajo County, Arizona. It took effect at Apr 5, 2021, 12:00 PM MST. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Apr 4, 2021, 1:07 PM MST (20:07 UTC)
- In effect from
- Apr 5, 2021, 12:00 PM MST
- Expired
- Apr 5, 2021, 7:00 PM MST
- In force
- 7 hr
- Issued by
- NWS Flagstaff, AZ
Counties Apache County, AZ, Coconino County, AZ, Navajo County, AZ
The radar
The Flagstaff radar (KFSX), 124 km from the middle of the area, began a volume at 20:06 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, 8.1 hours before the alert went out and 121 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
- 2862 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
784 WWUS75 KFGZ 042007 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 107 PM MST Sun Apr 4 2021 AZZ012-015-039-051200- /O.NEW.KFGZ.WI.Y.0012.210405T1900Z-210406T0200Z/ Little Colorado River Valley in Coconino County- Western Mogollon Rim-Black Mesa Area- Including the cities of Wupatki N.M., Tuba City, Flagstaff, Williams, Munds Park, and Navajo N.M. 107 PM MST Sun Apr 4 2021 ...WIND ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING FOR EASTERN COCONINO COUNTY AND THE BLACK MESA... * WHAT...Southwest winds 20 to 28 mph with gusts from 35 to 45 mph are expected. * WHERE...Eastern Coconino County and the Black Mesa, including the cities of Flagstaff, Williams, Cameron, Leupp and Shonto. * WHEN...From noon to 7 PM MST (1PM - 8PM Navajo Nation) Monday. * IMPACTS...Gusty winds could blow around unsecured objects. In addition, winds this strong can make driving difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized gusts up to 50 mph are possible along Interstate 40 east of Flagstaff and US Highway 89 near Cameron and Gray Mountain. && $$ For more information from the National Weather Service visit https://weather.gov/flagstaff
3 follow-up statements
776 WWUS75 KFGZ 051036 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 336 AM MST Mon Apr 5 2021 AZZ013-051845- /O.EXA.KFGZ.WI.Y.0012.210405T1900Z-210406T0200Z/ Little Colorado River Valley in Navajo County- Including the cities of Winslow, Holbrook, and Snowflake 336 AM MST Mon Apr 5 2021 ...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM MST THIS EVENING... * WHAT...Southwest winds 20 to 25 mph with gusts from 35 to 45 mph are expected. * WHERE...Little Colorado River Valley in Navajo County including Winslow, Holbrook, and Snowflake. * WHEN...From noon to 7 PM MST (1PM -8PM Navajo Nation) Monday. * IMPACTS...Gusty winds could blow around unsecured objects. In addition, winds this strong can make driving difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized gusts up to 50 mph are possible along Interstate 40 east of Flagstaff. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ AZZ012-015-039-051845- /O.CON.KFGZ.WI.Y.0012.210405T1900Z-210406T0200Z/ Little Colorado River Valley in Coconino County- Western Mogollon Rim-Black Mesa Area- Including the cities of Wupatki N.M., Tuba City, Flagstaff, Williams, Munds Park, and Navajo N.M. 336 AM MST Mon Apr 5 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM MST THIS EVENING... * WHAT...Southwest winds 20 to 25 mph with gusts from 35 to 45 mph are expected. * WHERE...Eastern Coconino County and the Black Mesa, including the cities of Flagstaff, Williams, Cameron, Leupp and Shonto. * WHEN...From noon to 7 PM MST (1PM -8PM Navajo Nation) Monday. * IMPACTS...Gusty winds could blow around unsecured objects. In addition, winds this strong can make driving difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized gusts up to 50 mph are possible along Interstate 40 east of Flagstaff and US Highway 89 near Cameron and Gray Mountain. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/flagstaff
101 WWUS75 KFGZ 051755 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 1055 AM MST Mon Apr 5 2021 AZZ012-013-015-039-060200- /O.CON.KFGZ.WI.Y.0012.210405T1900Z-210406T0200Z/ Little Colorado River Valley in Coconino County- Little Colorado River Valley in Navajo County- Western Mogollon Rim-Black Mesa Area- Including the cities of Wupatki N.M., Tuba City, Winslow, Holbrook, Snowflake, Flagstaff, Williams, Munds Park, and Navajo N.M. 1055 AM MST Mon Apr 5 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING... * WHAT...Southwest winds 20 to 25 mph with gusts from 35 to 45 mph. * WHERE...Eastern Coconino County, Little Colorado River Valley in Navajo County, and Black Mesa, including the cities of Flagstaff, Williams, Cameron, Leupp, Winslow, Holbrook, and Shonto. * WHEN...Through 7 PM MST (8 PM Navajo Nation) today. * IMPACTS...Gusty winds could blow around unsecured objects. In addition, winds this strong can make driving difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Localized gusts up to 50 mph are possible along Interstate 40 east of Flagstaff. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/flagstaff
192 WWUS75 KFGZ 060155 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 655 PM MST Mon Apr 5 2021 AZZ012-013-015-039-060300- /O.EXP.KFGZ.WI.Y.0012.000000T0000Z-210406T0200Z/ Little Colorado River Valley in Coconino County- Little Colorado River Valley in Navajo County- Western Mogollon Rim-Black Mesa Area- Including the cities of Wupatki N.M., Tuba City, Winslow, Holbrook, Snowflake, Flagstaff, Williams, Munds Park, and Navajo N.M. 655 PM MST Mon Apr 5 2021 ...WIND ADVISORY WILL EXPIRE AT 7 PM MST THIS EVENING... Winds have started to die down across the area, thus the advisory has been allowed to expire. Locally gusty winds may persist into the overnight for areas east of the Rim and into the White Mountains. $$ 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 4, 3:42 AM MST | Fire Weather Watch | FGZ | Apache, Coconino, Navajo | 9 hr |
| Apr 4, 12:57 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.