Alert archive / Arizona / Wind Advisories in 2021

Wind Advisory 5, NWS Flagstaff, AZ

February 19, 20214 counties in Arizona

NWS Flagstaff, AZ issued this wind advisory at Feb 19, 2021, 3:49 PM MST for 4 counties in Arizona. It took effect at Feb 20, 2021, 10:00 AM MST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Feb 19, 2021, 3:49 PM MST (22:49 UTC)
In effect from
Feb 20, 2021, 10:00 AM MST
Expired
Feb 20, 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 22:53 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, 10.8 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.

Skew-T log-pSkew-T log-p diagram, Flgstf/Belemont, AZ at 12:00Z on 2021-02-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Flgstf/Belemont, AZ at 12:00Z on 2021-02-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3879 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

400 
WWUS75 KFGZ 192249
NPWFGZ

URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
349 PM MST Fri Feb 19 2021

AZZ004>017-039-040-201315-
/O.NEW.KFGZ.WI.Y.0005.210220T1700Z-210221T0300Z/
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
349 PM MST Fri Feb 19 2021

...WIND ADVISORY IN EFFECT FROM 10 AM TO 8 PM MST SATURDAY...

* WHAT...West to southwest winds 20 to 30 mph with gusts 40 to 55
  mph expected.

* WHERE...Coconino County, Apache County, Navajo County, the
  higher elevations of Yavapai County. This includes Prescott,
  Flagstaff, Grand Canyon, Tuba City, Page, Winslow, Holbrook, 
  Kayenta, Chinle, Window Rock, Saint Johns, Show Low, 
  Springerville, Eagar.

* WHEN...From 10 AM to 8 PM MST Saturday.

* IMPACTS...Gusty winds could blow around unsecured objects. In
  addition, winds this strong can make driving difficult,
  especially for high profile vehicles. Some patches of blowing
  dust could reduce visibility over lower elevation areas of 
  northeast Arizona.

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
3 follow-up statements
061 
WWUS75 KFGZ 200905
NPWFGZ

URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
205 AM MST Sat Feb 20 2021

AZZ004>017-039-040-210300-
/O.CON.KFGZ.WI.Y.0005.210220T1700Z-210221T0300Z/
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
205 AM MST Sat Feb 20 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM MST THIS EVENING...

* WHAT...West to southwest winds 20 to 30 mph with gusts 40 to 
  55 mph expected.

* WHERE...Coconino County, Apache County, Navajo County, the 
  higher elevations of Yavapai County. This includes Prescott, 
  Flagstaff, Grand Canyon, Tuba City, Page, Winslow, Holbrook, 
  Kayenta, Chinle, Window Rock, Saint Johns, Show Low, 
  Springerville, Eagar.

* WHEN...From 10 AM to 8 PM MST today.

* IMPACTS...Gusty winds could blow around unsecured objects. In
  addition, winds this strong can make driving difficult,
  especially for high profile vehicles. Some patches of blowing
  dust could reduce visibility over lower elevation areas of
  northeast Arizona.

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
880 
WWUS75 KFGZ 210116
NPWFGZ

URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
616 PM MST Sat Feb 20 2021

AZZ004>010-012-015-039-040-210230-
/O.CAN.KFGZ.WI.Y.0005.000000T0000Z-210221T0300Z/
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-
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, Wupatki N.M., Tuba City, Flagstaff, Williams, 
Munds Park, Navajo N.M., Dilkon, and Kykotsmovi
616 PM MST Sat Feb 20 2021

...WIND ADVISORY IS CANCELLED...

Winds have decreased below advisory criteria and the Wind Advisory
has been cancelled. Winds will shift to northwesterly this evening
behind a cold front, with gusts of 20 to 30 mph decreasing by 
late evening.

$$

AZZ011-013-014-016-017-210300-
/O.CON.KFGZ.WI.Y.0005.000000T0000Z-210221T0300Z/
Chuska Mountains and Defiance Plateau-
Little Colorado River Valley in Navajo County-
Little Colorado River Valley in Apache County-
Eastern Mogollon Rim-White Mountains-
Including the cities of Window Rock, Ganado, Winslow, Holbrook, 
Snowflake, St. Johns, Springerville, Heber, Happy Jack, 
Forest Lakes, Show Low, Greer, and Pinetop
616 PM MST Sat Feb 20 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING...

* WHAT...West winds 15 to 25 mph with gusts 40 to 50 mph.

* WHERE...Far southeastern Coconino County, southern Navajo
  County, much of Apache County. This includes Winslow, Holbrook,
  Window Rock, Saint Johns, Show Low, Springerville, Eagar.

* WHEN...Until 8 PM MST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. In 
  addition, winds this strong can make driving difficult, 
  especially for high profile vehicles. Some patches of blowing 
  dust could reduce visibility over lower elevation areas of 
  northeast Arizona.

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
115 
WWUS75 KFGZ 210301
NPWFGZ

URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
801 PM MST Sat Feb 20 2021

AZZ011-013-014-016-017-210415-
/O.EXP.KFGZ.WI.Y.0005.000000T0000Z-210221T0300Z/
Chuska Mountains and Defiance Plateau-
Little Colorado River Valley in Navajo County-
Little Colorado River Valley in Apache County-
Eastern Mogollon Rim-White Mountains-
Including the cities of Window Rock, Ganado, Winslow, Holbrook, 
Snowflake, St. Johns, Springerville, Heber, Happy Jack, 
Forest Lakes, Show Low, Greer, and Pinetop
801 PM MST Sat Feb 20 2021

...WIND ADVISORY WILL EXPIRE AT 8 PM MST THIS EVENING...

Wind speeds are expected to drop below advisory criteria shortly,
though a few gusts over 40 mph will still be possible near
Springerville, Eagar, and Alpine through around 9 PM. Winds will
shift to the northwest and diminish late this evening.

$$

For more information from the National Weather Service visit
https://weather.gov/flagstaff

Nearby

Wind Advisories in Arizona, 2021Every wind advisory 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.