Alert archive / Arizona / Wind Advisories in 2021

Wind Advisory 3, NWS Flagstaff, AZ

February 3, 2021Apache County, Coconino County, Navajo County, Arizona

NWS Flagstaff, AZ issued this wind advisory at Feb 3, 2021, 11:51 PM MST for Apache County, Coconino County, Navajo County, Arizona. It was in force for 109 min.

The area

The counties it named.

The facts

Issued
Feb 3, 2021, 11:51 PM MST (06:51 UTC)
Expired
Feb 4, 2021, 1:40 AM MST
In force
109 min
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 06:54 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, 6.9 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.

Skew-T log-pSkew-T log-p diagram, Flgstf/Belemont, AZ at 00:00Z on 2021-02-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2021-02-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 178 square meters per square second.1939587897117136156Sfc1 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
2 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1547 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
178 m²/s²
0-3 km storm-relative helicity
277 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

086 
WWUS75 KFGZ 040651
NPWFGZ

URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
1151 PM MST Wed Feb 3 2021

AZZ014-016-017-041300-
/O.NEW.KFGZ.WI.Y.0003.210204T0651Z-210204T1300Z/
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
1151 PM MST Wed Feb 3 2021

...WIND ADVISORY IN EFFECT UNTIL 6 AM MST THURSDAY...

* WHAT...Southwest winds 25 to 40 mph with gusts 45 to 55 mph
  mph.

* WHERE...Little Colorado River Valley in Apache County, Eastern
  Mogollon Rim, White Mountains, including the cities of St.
  Johns, Springerville, Heber, Show Low, Greer. 

* WHEN...Until 6 AM MST Thursday.

* 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
234 
WWUS75 KFGZ 040840
NPWFGZ

URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
140 AM MST Thu Feb 4 2021

AZZ014-016-017-040945-
/O.CAN.KFGZ.WI.Y.0003.000000T0000Z-210204T1300Z/
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
140 AM MST Thu Feb 4 2021

...WIND ADVISORY IS CANCELLED...

The wind speeds across Little Colorado River Valley in Apache 
County, the Eastern Mogollon Rim and White Mountains areas are
decreasing below advisory levels due to the arrival of a cold
front. 

The fastest gusts from earlier Wednesday night include 66 mph at
Springerville, 48 mph at Greens Peak, 49 mph in Alpine. 

$$

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.