Alert archive / Arizona / Wind Advisories in 2021
Wind Advisory 8, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this wind advisory at Mar 13, 2021, 1:03 PM MST for Apache County, Navajo County, Arizona. It took effect at Mar 14, 2021, 11:00 AM MST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Mar 13, 2021, 1:03 PM MST (20:03 UTC)
- In effect from
- Mar 14, 2021, 11:00 AM MST
- Expired
- Mar 14, 2021, 7:00 PM MST
- In force
- 8 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 20:04 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 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
- 1041 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
562 WWUS75 KFGZ 132003 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 103 PM MST Sat Mar 13 2021 AZZ013-014-017-141200- /O.NEW.KFGZ.WI.Y.0008.210314T1800Z-210315T0200Z/ Little Colorado River Valley in Navajo County- Little Colorado River Valley in Apache County-White Mountains- Including the cities of Winslow, Holbrook, Snowflake, St. Johns, Springerville, Show Low, Greer, and Pinetop 103 PM MST Sat Mar 13 2021 ...WIND ADVISORY IN EFFECT FROM 11 AM TO 7 PM MST SUNDAY... * WHAT...West winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Portions of southern Navajo and Apache counties. * WHEN...From 11 AM to 7 PM MST Sunday. * 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. && $$ For more information from the National Weather Service visit https://weather.gov/flagstaff
2 follow-up statements
799 WWUS75 KFGZ 141037 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 337 AM MST Sun Mar 14 2021 AZZ013-014-017-150200- /O.CON.KFGZ.WI.Y.0008.210314T1800Z-210315T0200Z/ Little Colorado River Valley in Navajo County- Little Colorado River Valley in Apache County-White Mountains- Including the cities of Winslow, Holbrook, Snowflake, St. Johns, Springerville, Show Low, Greer, and Pinetop 337 AM MST Sun Mar 14 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM MST THIS EVENING... * WHAT...West winds 25 to 35 mph with gusts up to 45 mph expected. * WHERE...Portions of southern Navajo and Apache counties. * WHEN...From 11 AM to 7 PM MST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. In addition, winds this strong can make driving difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
510 WWUS75 KFGZ 150200 NPWFGZ URGENT - WEATHER MESSAGE National Weather Service Flagstaff AZ 700 PM MST Sun Mar 14 2021 AZZ013-014-017-150300- /O.EXP.KFGZ.WI.Y.0008.000000T0000Z-210315T0200Z/ Little Colorado River Valley in Navajo County- Little Colorado River Valley in Apache County-White Mountains- Including the cities of Winslow, Holbrook, Snowflake, St. Johns, Springerville, Show Low, Greer, and Pinetop 700 PM MST Sun Mar 14 2021 ...WIND ADVISORY WILL EXPIRE AT 7 PM MST THIS EVENING... Wind speeds have fallen below advisory criteria this evening and the Wind Advisory has been allowed to expire. $$ 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 |
|---|---|---|---|---|
| Mar 13, 2:15 PM MST | Snow Squall Warning | FGZ | Coconino, Yavapai | 45 min |
| Mar 13, 2:53 PM MST | Snow Squall Warning | FGZ | Coconino | 22 min |
| Mar 13, 3:37 PM MST | Snow Squall Warning | FGZ | Coconino | 23 min |
| Mar 13, 3:59 PM MST | Snow Squall Warning | FGZ | Coconino, Yavapai | 46 min |
| Mar 13, 4:46 PM MST | Snow Squall Warning | FGZ | Coconino, Yavapai | 29 min |
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.