Alert archive / Arizona / High Wind Warnings in 2012

High Wind Warning 2, NWS Flagstaff, AZ

March 17, 2012Coconino County, Navajo County, Arizona

NWS Flagstaff, AZ issued this high wind warning at Mar 17, 2012, 10:55 PM MST for Coconino County, Navajo County, Arizona. It took effect at Mar 17, 2012, 11:00 PM MST. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 17, 2012, 10:55 PM MST (05:55 UTC)
In effect from
Mar 17, 2012, 11:00 PM MST
Expired
Mar 18, 2012, 2:38 AM MST
In force
4 hr
Issued by
NWS Flagstaff, AZ

Counties Coconino County, AZ, Navajo County, AZ

The radar

The Flagstaff radar (KFSX), 117 km from the middle of the area, began a volume at 05:54 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, 5.9 hours before the alert went out and 81 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 2012-03-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2012-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1412 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
227 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

626 
WWUS75 KFGZ 180555
NPWFGZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1055 PM MST SAT MAR 17 2012

...HIGH WINDS HAVE DEVELOPED OVER PORTIONS OF THE LITTLE COLORADO
RIVER VALLEY...

.IN RESPONSE TO AN APPROACHING COLD FRONT VERY STRONG SOUTHWEST
WINDS HAVE DEVELOPED ACROSS THE AREA FROM TWO GUNS EASTWARD TO
WINSLOW AND HOLBROOK.

AZZ012-013-181300-
/O.NEW.KFGZ.HW.W.0002.120318T0600Z-120318T1300Z/
LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY-
LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY-
INCLUDING THE CITIES OF...WINSLOW...HOLBROOK...SNOWFLAKE
1055 PM MST SAT MAR 17 2012

...HIGH WIND WARNING IN EFFECT UNTIL 6 AM MST SUNDAY...

THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 6 AM MST SUNDAY. 

* TIMING...HIGH WINDS CAN BE EXPECTED UNTIL AROUND 6 AM MST
  SUNDAY.

* LOCATION...THE AREA OF TWO GUNS EASTWARD TO WINSLOW AND
  HOLBROOK.

* WINDS...SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 60 MPH.

* IMPACTS...BLOWING DUST WITH NEAR ZERO VISIBILITY AT TIMES.
  DANGEROUS CROSS WINDS ESPECIALLY FOR HIGH PROFILE VEHICLES.
  TRAVELERS ALONG INTERSTATE-40 WILL SEE SOME OF THESE IMPACTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING...WITH SUSTAINED WIND SPEEDS GREATER THAN 40 MPH OR
GUSTS GREATER THAN 58 MPH. WINDS THIS STRONG CAN CAUSE PROPERTY
DAMAGE. CONTINUE TO MONITOR THE LATEST FORECASTS. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

$$
1 follow-up statement
540 
WWUS75 KFGZ 180938
NPWFGZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
238 AM MST SUN MAR 18 2012

AZZ013-181700-
/O.CAN.KFGZ.HW.W.0002.000000T0000Z-120318T1300Z/
/O.NEW.KFGZ.WI.Y.0006.120318T0938Z-120318T1700Z/
LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY-
INCLUDING THE CITIES OF...WINSLOW...HOLBROOK...SNOWFLAKE
238 AM MST SUN MAR 18 2012

...WIND ADVISORY IN EFFECT UNTIL 10 AM MST THIS MORNING...

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM MST THIS MORNING. THE
HIGH WIND WARNING HAS BEEN CANCELLED. 

* TIMING...STRONG WINDS CAN BE EXPECTED UNTIL MID-MORNING TODAY
  DUE TO A COLD FRONT MOVING THROUGH THE REGION.

* WINDS...SOUTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH.

* IMPACTS...AREAS OF BLOWING DUST WITH REDUCED VISIBILITY. THESE
  CROSS WINDS WILL BE ESPECIALLY DANGEROUS FOR HIGH PROFILE
  VEHICLES. TRAVELERS ALONG INTERSTATE-40 WILL SEE SOME OF THESE
  IMPACTS.

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.

&&

$$

AZZ012-181045-
/O.CAN.KFGZ.HW.W.0002.000000T0000Z-120318T1300Z/
LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY-
238 AM MST SUN MAR 18 2012

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS CANCELLED THE HIGH
WIND WARNING.

GUSTY SOUTHWEST WINDS ARE STILL POSSIBLE THROUGH THE MORNING AS A
COLD FRONT MOVES THROUGH THE AREA.

$$

AZZ010-011-014-039-040-181700-
/O.NEW.KFGZ.WI.Y.0006.120318T0938Z-120318T1700Z/
CHINLE VALLEY-CHUSKA MOUNTAINS AND DEFIANCE PLATEAU-
LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY-BLACK MESA AREA-
NORTHEAST PLATEAUS AND MESAS SOUTH OF HWY 264-
INCLUDING THE CITIES OF...CHINLE...KAYENTA...WINDOW ROCK...
GANADO...ST. JOHNS...SPRINGERVILLE...DILKON
238 AM MST SUN MAR 18 2012

...WIND ADVISORY IN EFFECT UNTIL 10 AM MST THIS MORNING...

THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM MST THIS MORNING. 

* TIMING...STRONG WINDS CAN BE EXPECTED UNTIL MID-MORNING TODAY
  DUE TO A COLD FRONT MOVING THROUGH THE REGION.

* WINDS...SOUTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS FROM 45 TO 55
  MPH.

* IMPACTS...AREAS OF BLOWING DUST WITH REDUCED VISIBILITY. THESE
  CROSS WINDS WILL BE ESPECIALLY DANGEROUS FOR HIGH PROFILE
  VEHICLES.

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.

&&

$$

The office that day

Everything else NWS Flagstaff, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 18, 2:38 AM MSTWind AdvisoryFGZApache, Coconino, Navajo7 hr

Nearby

High Wind Warnings in Arizona, 2012Every high wind warning in 2012

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.