Alert archive / Arizona / Wind Advisories in 2017

Wind Advisory 9, NWS Flagstaff, AZ

February 27, 2017Apache County, Coconino County, Navajo County, Arizona

NWS Flagstaff, AZ issued this wind advisory at Feb 27, 2017, 9:52 AM MST for Apache County, Coconino County, Navajo County, Arizona. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Feb 27, 2017, 9:52 AM MST (16:52 UTC)
Expired
Feb 27, 2017, 7:12 PM MST
In force
9 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 16:56 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, 4.9 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 12:00Z on 2017-02-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 12:00Z on 2017-02-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 300 square meters per square second.1939587897117Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
649 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
300 m²/s²
0-3 km storm-relative helicity
454 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

825 
WWUS75 KFGZ 271652
NPWFGZ

URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
952 AM MST Mon Feb 27 2017

AZZ012>014-280300-
/O.NEW.KFGZ.WI.Y.0009.170227T1652Z-170228T0300Z/
Little Colorado River Valley in Coconino County-
Little Colorado River Valley in Navajo County-
Little Colorado River Valley in Apache County-
Including the cities of Wupatki N.M, .Tuba City, Winslow, 
Holbrook, Snowflake, St. Johns, and Springerville
952 AM MST Mon Feb 27 2017

...WIND ADVISORY IN EFFECT UNTIL 8 PM MST THIS EVENING...

The National Weather Service in Flagstaff has issued a Wind
Advisory, which is in effect until 8 PM MST this evening. 

* TIMING...Through 8 PM MST this evening.

* WINDS...Southwesterly wind gusts up to 45 mph will occur from
  Tuba City to Wupatki, Meteor Crater to Winslow, and from Snowflake
  to Concho.

* IMPACTS...Driving could become difficult at times, especially
  for high profile vehicles on east-west oriented roads, including
  Interstate 40.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 to 39 mph...or
gusts from 40 to 57 mph...are expected. Winds this strong can
make driving difficult...especially for high profile vehicles.
Consider securing loose belongings on your property. Additional
weather information is on the web at www.weather.gov/flagstaff.

&&

$$

TM
2 follow-up statements
402 
WWUS75 KFGZ 272150
NPWFGZ

URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
250 PM MST Mon Feb 27 2017

AZZ012>014-280300-
/O.CON.KFGZ.WI.Y.0009.000000T0000Z-170228T0300Z/
Little Colorado River Valley in Coconino County-
Little Colorado River Valley in Navajo County-
Little Colorado River Valley in Apache County-
Including the cities of Wupatki N.M, .Tuba City, Winslow, 
Holbrook, Snowflake, St. Johns, and Springerville
250 PM MST Mon Feb 27 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING...

* TIMING...Through 8 PM MST this evening.

* WINDS...Southwesterly wind gusts up to 45 mph will occur from 
  Tuba City to Wupatki, Meteor Crater to Winslow, and from 
  Snowflake to Concho. 

* IMPACTS...Driving could become difficult at times, especially 
  for high profile vehicles on east-west oriented roads, 
  including Interstate 40. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 to 39 mph...or
gusts from 40 to 57 mph...are expected. Winds this strong can
make driving difficult...especially for high profile vehicles.
Consider securing loose belongings on your property. Additional
weather information is on the web at www.weather.gov/flagstaff.

&&

$$

TM
798 
WWUS75 KFGZ 280212
NPWFGZ

URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
712 PM MST Mon Feb 27 2017

AZZ012>014-280315-
/O.CAN.KFGZ.WI.Y.0009.000000T0000Z-170228T0300Z/
Little Colorado River Valley in Coconino County-
Little Colorado River Valley in Navajo County-
Little Colorado River Valley in Apache County-
Including the cities of Wupatki N.M, .Tuba City, Winslow, 
Holbrook, Snowflake, St. Johns, and Springerville
712 PM MST Mon Feb 27 2017

...WIND ADVISORY IS CANCELLED...

The National Weather Service in Flagstaff has cancelled the Wind
Advisory for the Little Colorado River Valley. Winds have
decreased below advisory criteria, though will remain gusty
overnight. A few gusts could approach 40 mph especially near Saint
Johns and Springerville. 


$$

Nearby

Wind Advisories in Arizona, 2017Every wind advisory in 2017

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.