Alert archive / Arizona / Wind Advisories in 2021
Wind Advisory 19, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this wind advisory at May 2, 2021, 2:22 AM MST for Apache County, Navajo County, Arizona. It took effect at May 2, 2021, 10:00 AM MST. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- May 2, 2021, 2:22 AM MST (09:22 UTC)
- In effect from
- May 2, 2021, 10:00 AM MST
- Expired
- May 2, 2021, 7:00 PM MST
- In force
- 9 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 09:20 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, 9.4 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3340 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
490 WWUS75 KFGZ 020922 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 222 AM MST Sun May 2 2021 AZZ014-017-030200- /O.NEW.KFGZ.WI.Y.0019.210502T1700Z-210503T0200Z/ Little Colorado River Valley in Apache County-White Mountains- Including the cities of St. Johns, Springerville, Show Low, Greer, and Pinetop 222 AM MST Sun May 2 2021 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM MST THIS EVENING... * WHAT...Southwest winds 20 to 30 mph with gusts 40 to 50 mph expected. * WHERE...Portions of southern Navajo and Apache counties including St. Johns, Springerville, and Show Low. * WHEN...From 10 AM this morning to 7 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/flagstaff
1 follow-up statement
335 WWUS75 KFGZ 030153 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 653 PM MST Sun May 2 2021 AZZ014-017-030300- /O.EXP.KFGZ.WI.Y.0019.000000T0000Z-210503T0200Z/ Little Colorado River Valley in Apache County-White Mountains- Including the cities of St. Johns, Springerville, Show Low, Greer, and Pinetop 653 PM MST Sun May 2 2021 ...WIND ADVISORY WILL EXPIRE AT 7 PM MST THIS EVENING... Wind speeds have dropped below advisory criteria this evening and the Wind Advisory has been allowed to expire. Breezy conditions will persist through late tonight. $$ For more information from the National Weather Service visit https://weather.gov/flagstaff
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.