Alert archive / Arizona / High Wind Warnings in 2021
High Wind Warning 3, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this high wind warning at Dec 9, 2021, 9:39 AM MST for Apache County, Coconino County, Navajo County, Arizona. It took effect at Dec 9, 2021, 5:00 PM MST. It was in force for 12 hr. 1 report 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
- Dec 9, 2021, 9:39 AM MST (16:39 UTC)
- In effect from
- Dec 9, 2021, 5:00 PM MST
- Expired
- Dec 10, 2021, 5:00 AM MST
- In force
- 12 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 16:43 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 |
|---|---|---|---|
| Dec 10, 5:00 AM MST | SNOW 2.3 | Flagstaff Airport, AZ |
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 12:00Z, 4.7 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
- 3 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 630 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 279 m²/s²
- 0-3 km storm-relative helicity
- 320 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
551 WWUS75 KFGZ 091639 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 939 AM MST Thu Dec 9 2021 AZZ014-016-017-101200- /O.NEW.KFGZ.HW.W.0003.211210T0000Z-211210T1200Z/ Little Colorado River Valley in Apache County- Eastern Mogollon Rim-White Mountains- Including the cities of St. Johns, Springerville, Heber, Happy Jack, Forest Lakes, Show Low, Greer, and Pinetop 939 AM MST Thu Dec 9 2021 ...HIGH WIND WARNING IN EFFECT FROM 5 PM THIS EVENING TO 5 AM MST FRIDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Eastern Mogollon Rim, White Mountains and the Little Colorado River Valley in Apache County. * WHEN...From 5 PM this evening to 5 AM MST Friday. * IMPACTS...High winds will move loose outdoor items (including holiday decorations) and could damage property and cause spotty power outages. Travel will be difficult especially for high profile vehicles. * ADDITIONAL DETAILS...The combination of high country snowfall and these very strong winds could result in limited visibility on roadways tonight due to blowing snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose outdoor objects (including holiday decorations). && $$ For more information from the National Weather Service visit https://weather.gov/flagstaff
1 follow-up statement
741 WWUS75 KFGZ 101147 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 447 AM MST Fri Dec 10 2021 AZZ014-016-017-101300- /O.EXP.KFGZ.HW.W.0003.000000T0000Z-211210T1200Z/ Little Colorado River Valley in Apache County- Eastern Mogollon Rim-White Mountains- Including the cities of St. Johns, Springerville, Heber, Happy Jack, Forest Lakes, Show Low, Greer, and Pinetop 447 AM MST Fri Dec 10 2021 ...HIGH WIND WARNING WILL EXPIRE AT 5 AM MST EARLY THIS MORNING... A cold front that brought gusty winds to the north facing sections of the Mogollon Rim and White Mountains overnight will continue to move east this morning. Winds speeds are no longer expected to reach into High Wind Warning Criteria. $$ For more information from the National Weather Service visit https://weather.gov/flagstaff
Nearby
High Wind Warnings in Arizona, 2021Every high wind 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.