Alert archive / Arizona / Wind Advisories in 2012

Wind Advisory 11, NWS Tucson, AZ

April 26, 20126 counties in Arizona

NWS Tucson, AZ issued this wind advisory at Apr 26, 2012, 12:40 PM MST for 6 counties in Arizona. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Apr 26, 2012, 12:40 PM MST (19:40 UTC)
Expired
Apr 26, 2012, 6:39 PM MST
In force
6 hr
Issued by
NWS Tucson, AZ

Counties Cochise County, AZ, Graham County, AZ, Greenlee County, AZ, Pima County, AZ, Pinal County, AZ, Santa Cruz County, AZ

The radar

The Tucson radar (KEMX), 61 km from the middle of the area, began a volume at 19:40 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

Tuscon, AZ (KTUS), launched 12:00Z, 7.7 hours before the alert went out and 49 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, Tuscon, AZ at 12:00Z on 2012-04-26Temperature 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 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tuscon, AZ at 12:00Z on 2012-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
4084 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
138 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.

977 
WWUS75 KTWC 261940
NPWTWC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
1240 PM MST THU APR 26 2012

AZZ503-507>509-511>513-270200-
/O.NEW.KTWC.WI.Y.0011.120426T1940Z-120427T0200Z/
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-
UPPER SAN PEDRO RIVER VALLEY-
EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY-
GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
INCLUDING THE CITIES OF...SIERRA VISTA...WILLCOX...DOUGLAS...
CHIRICAHUA NM...BISBEE...CANELO HILLS
1240 PM MST THU APR 26 2012

...WIND ADVISORY IN EFFECT UNTIL 7 PM MST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM MST THIS EVENING. 

* TIMING...THE STRONGEST WINDS WILL OCCUR THROUGH THE REMAINDER OF
  THE AFTERNOON HOURS AND INTO THE EARLY EVENING HOURS. 

* WINDS...SUSTAINED WINDS OF 25 TO 35 MPH WITH GUSTS TO AROUND 45
  TO 50 MPH WILL OCCUR THIS AFTERNOON AND EARLY EVENING.

* IMPACTS...BLOWING DUST WILL REDUCE VISIBILITIES ALONG ROADWAYS
  MAKING TRAVEL IN DUST PRONE AREAS HAZARDOUS. IN ADDITION...THE
  STRONG AND GUSTY WINDS WILL MAKE DRIVING DIFFICULT FOR THOSE
  DRIVING HIGH PROFILE VEHICLES. MOTORISTS TRAVELING IN THESE
  AREAS THIS AFTERNOON AND EVENING SHOULD DRIVE WITH CAUTION. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR GREATER
ARE EXPECTED IN THE VALLEYS...OR 35 MPH OR GREATER ABOVE
5000 FEET. HIGHER GUSTS ARE ALSO LIKELY. THIS COULD MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

&&

$$
1 follow-up statement
532 
WWUS75 KTWC 270139
NPWTWC

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
639 PM MST THU APR 26 2012

AZZ503-507>509-511>513-270245-
/O.CAN.KTWC.WI.Y.0011.000000T0000Z-120427T0200Z/
UPPER SANTA CRUZ RIVER VALLEY/ALTAR VALLEY-
UPPER SAN PEDRO RIVER VALLEY-
EASTERN COCHISE COUNTY BELOW 5000 FEET-UPPER GILA RIVER VALLEY-
GALIURO AND PINALENO MOUNTAINS-CHIRICAHUA MOUNTAINS-
DRAGOON AND MULE AND HUACHUCA AND SANTA RITA MOUNTAINS-
INCLUDING THE CITIES OF...SIERRA VISTA...WILLCOX...DOUGLAS...
CHIRICAHUA NM...BISBEE...CANELO HILLS
639 PM MST THU APR 26 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS CANCELLED THE WIND
ADVISORY. 

WIND SPEEDS HAVE DIMINISHED BELOW ADVISORY CRITERIA WITH COLD
FRONTAL PASSAGE. AS A RESULT...THE WIND ADVISORY HAS BEEN
CANCELLED.

$$

Nearby

Wind Advisories in Arizona, 2012Every wind advisory 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.