Alert archive / Arizona / Wind Advisories in 2021
Wind Advisory 1, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this wind advisory at Jan 23, 2021, 2:46 AM MST for Apache County, Navajo County, Arizona. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Jan 23, 2021, 2:46 AM MST (09:46 UTC)
- Expired
- Jan 23, 2021, 6:00 PM MST
- In force
- 15 hr
- Issued by
- NWS Flagstaff, AZ
Counties Apache County, AZ, Navajo County, AZ
The radar
The Flagstaff radar (KFSX), 149 km from the middle of the area, began a volume at 09:49 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, 9.8 hours before the alert went out and 173 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
- 10 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 597 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 150 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
515 WWUS75 KFGZ 230946 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 246 AM MST Sat Jan 23 2021 AZZ014-017-240100- /O.NEW.KFGZ.WI.Y.0001.210123T0946Z-210124T0100Z/ Little Colorado River Valley in Apache County-White Mountains- Including the cities of St. Johns, Springerville, Show Low, Greer, and Pinetop 246 AM MST Sat Jan 23 2021 ...WIND ADVISORY IN EFFECT UNTIL 6 PM MST THIS EVENING... * WHAT...Southwest winds 15 to 25 mph, with gusts from 40 to 50 mph. * WHERE...North facing slopes of the White Mountains, including Show Low, Vernon, Springerville and Eagar. * WHEN...Until 6 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. && $$ For more information from the National Weather Service visit https://weather.gov/flagstaff
1 follow-up statement
760 WWUS75 KFGZ 240056 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 556 PM MST Sat Jan 23 2021 AZZ014-017-240200- /O.EXP.KFGZ.WI.Y.0001.000000T0000Z-210124T0100Z/ Little Colorado River Valley in Apache County-White Mountains- Including the cities of St. Johns, Springerville, Show Low, Greer, and Pinetop 556 PM MST Sat Jan 23 2021 ...WIND ADVISORY WILL EXPIRE AT 6 PM MST THIS EVENING... Earlier gusty winds have decreased below advisory levels this evening and the wind advisory will expire at 6 PM MST. $$ 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 |
|---|---|---|---|---|
| Jan 23, 2:10 PM MST | Winter Storm Watch | FGZ | Apache, Coconino, Gila, Navajo, Yavapai | 13 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.