Alert archive / Utah / Wind Advisories in 2012

Wind Advisory 2, NWS Grand Junction, CO

January 20, 2012Grand County, San Juan County, Utah

NWS Grand Junction, CO issued this wind advisory at Jan 20, 2012, 4:00 PM MST for Grand County, San Juan County, Utah. It took effect at Jan 21, 2012, 12:00 PM MST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Jan 20, 2012, 4:00 PM MST (23:00 UTC)
In effect from
Jan 21, 2012, 12:00 PM MST
Expired
Jan 21, 2012, 8:00 PM MST
In force
8 hr
Issued by
NWS Grand Junction, CO

Counties Grand County, UT, San Juan County, UT

The radar

The Grand Junction radar (KGJX), 153 km from the middle of the area, began a volume at 23:04 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

Grand Junction, CO (KGJT), launched 12:00Z, 11.0 hours before the alert went out and 138 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, Grand Junction, CO at 12:00Z on 2012-01-20Temperature 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, Grand Junction, CO at 12:00Z on 2012-01-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2199 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
152 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.

333 
WWUS75 KGJT 202300
NPWGJT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
400 PM MST FRI JAN 20 2012

...STRONG SOUTHWEST WINDS EXPECTED ON SATURDAY AS A PACIFIC STORM
MOVES OVER THE AREA...

.A STRONG PACIFIC STORM APPROACHING THE AREA WILL BRING INCREASED
SOUTHWEST WINDS TO THE AREA BEGINNING SATURDAY MORNING. WINDS WILL
INCREASE BY SATURDAY AFTERNOON AS AN ASSOCIATED COLD FRONT
APPROACHES EASTERN UTAH. AS THE FRONT PASSES OVER THE AREA LATE IN
THE AFTERNOON INTO THE EARLY EVENING WINDS WILL BECOME FIRST
WESTERLY AND THEN NORTHWEST...AND DIMINISH.

UTZ022-027-029-210700-
/O.NEW.KGJT.WI.Y.0002.120121T1900Z-120122T0300Z/
SOUTHEAST UTAH-ARCHES/GRAND FLAT-CANYONLANDS/NATURAL BRIDGES-
INCLUDING THE CITIES OF...BLANDING...BLUFF...MEXICAN HAT...MOAB...
CASTLE VALLEY...THOMPSON SPRINGS
400 PM MST FRI JAN 20 2012

...WIND ADVISORY IN EFFECT FROM NOON TO 8 PM MST SATURDAY...

THE NATIONAL WEATHER SERVICE IN GRAND JUNCTION HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM NOON TO 8 PM MST SATURDAY. 

* TIMING...SATURDAY AFTERNOON THROUGH EARLY SATURDAY EVENING.

* WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS 45 TO 50 MPH.

* VISIBILITY...AT TIMES VISIBILITY MAY DROP TO LESS THAN 1 MILE IN
  BLOWING DUST DURING THE AFTERNOON. DURING THE EVENING...LOCAL
  AREAS OF BLOWING SNOW WILL BE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT A SIGNIFICANT WIND EVENT IS EXPECTED
OR OCCURRING. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT. USE
EXTRA CAUTION. 

PEOPLE...ESPECIALLY THOSE WITH RESPIRATORY ILLNESSES... HEART
DISEASE...THE ELDERLY...AND CHILDREN ARE RECOMMENDED TO STAY
INDOORS AND AVOID PROLONGED OUTDOOR EXERCISE OR HEAVY EXERTION
DUE TO WIND-BLOWN DUST.

&&

$$
4 follow-up statements
140 
WWUS75 KGJT 210646
NPWGJT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1146 PM MST FRI JAN 20 2012

...STRONG SOUTHWEST WINDS EXPECTED ON SATURDAY AS A PACIFIC STORM
MOVES OVER THE AREA...

.A ROBUST PACIFIC STORM DIGGING THROUGH THE GREAT BASIN SATURDAY
WILL BRING STRONG AND GUSTY SOUTHWEST WINDS TO THE AREA. WINDS
WILL INCREASE THROUGH SATURDAY AFTERNOON AS AN ASSOCIATED COLD
FRONT APPROACHES EASTERN UTAH. AS THE FRONT PASSES OVER THE AREA
LATE IN THE AFTERNOON INTO THE EARLY EVENING WINDS WILL SHIFT TO
WEST THEN NORTHWEST...AND DIMINISH INTO SUNDAY MORNING.

UTZ022-027-029-211500-
/O.CON.KGJT.WI.Y.0002.120121T1900Z-120122T0300Z/
SOUTHEAST UTAH-ARCHES/GRAND FLAT-CANYONLANDS/NATURAL BRIDGES-
INCLUDING THE CITIES OF...BLANDING...BLUFF...MEXICAN HAT...MOAB...
CASTLE VALLEY...THOMPSON SPRINGS
1146 PM MST FRI JAN 20 2012

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM MST
SATURDAY...

* TIMING...SATURDAY AFTERNOON THROUGH EARLY SATURDAY EVENING.

* WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 50 MPH.

* VISIBILITY...AT TIMES VISIBILITY MAY DROP TO LESS THAN 1 MILE 
  IN BLOWING DUST DURING THE AFTERNOON. DURING THE EVENING... 
  LOCAL AREAS OF BLOWING SNOW WILL BE EXPECTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT A SIGNIFICANT WIND EVENT IS EXPECTED
OR OCCURRING. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT. USE
EXTRA CAUTION.

PEOPLE...ESPECIALLY THOSE WITH RESPIRATORY ILLNESSES... HEART
DISEASE...THE ELDERLY...AND CHILDREN ARE RECOMMENDED TO STAY
INDOORS AND AVOID PROLONGED OUTDOOR EXERCISE OR HEAVY EXERTION
DUE TO WIND-BLOWN DUST.

&&

$$
828 
WWUS75 KGJT 211049
NPWGJT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
349 AM MST SAT JAN 21 2012

...STRONG SOUTHWEST WINDS DEVELOP TODAY AS A PACIFIC STORM MOVES OVER
THE AREA...

.A ROBUST PACIFIC STORM DIGGING THROUGH THE GREAT BASIN TODAY WILL
BRING STRONG AND GUSTY SOUTHWEST WINDS TO SOUTHEAST UTAH. WINDS
WILL INCREASE THROUGH THE AFTERNOON AS AN ASSOCIATED COLD FRONT
APPROACHES EASTERN UTAH. AS THE FRONT PASSES OVER THE AREA LATE
THIS AFTERNOON INTO THE EARLY EVENING WINDS WILL SHIFT TO WEST
THEN NORTHWEST...AND DIMINISH INTO SUNDAY MORNING.

UTZ022-027-029-211900-
/O.CON.KGJT.WI.Y.0002.120121T1900Z-120122T0300Z/
SOUTHEAST UTAH-ARCHES/GRAND FLAT-CANYONLANDS/NATURAL BRIDGES-
INCLUDING THE CITIES OF...BLANDING...BLUFF...MEXICAN HAT...MOAB...
CASTLE VALLEY...THOMPSON SPRINGS
349 AM MST SAT JAN 21 2012

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MST
THIS EVENING...

* TIMING...FROM NOON THROUGH 8 PM MST TODAY.

* WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 50 MPH.

* VISIBILITY...AT TIMES VISIBILITY MAY DROP TO LESS THAN 1 MILE IN
  BLOWING DUST THIS AFTERNOON. THIS EVENING...LOCAL AREAS OF
  BLOWING SNOW ARE POSSIBLE ALSO RESTRICTING VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT A SIGNIFICANT WIND EVENT IS EXPECTED
OR OCCURRING. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT. USE
EXTRA CAUTION.

PEOPLE...ESPECIALLY THOSE WITH RESPIRATORY ILLNESSES... HEART
DISEASE...THE ELDERLY...AND CHILDREN ARE RECOMMENDED TO STAY
INDOORS AND AVOID PROLONGED OUTDOOR EXERCISE OR HEAVY EXERTION
DUE TO WIND-BLOWN DUST.

&&

$$
675 
WWUS75 KGJT 211851
NPWGJT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1151 AM MST SAT JAN 21 2012

...STRONG SOUTHWEST WINDS DEVELOP TODAY AS A PACIFIC STORM MOVES
OVER THE AREA...

.A ROBUST PACIFIC STORM DIGGING THROUGH THE GREAT BASIN TODAY
WILL BRING STRONG AND GUSTY SOUTHWEST WINDS TO SOUTHEAST UTAH.
WINDS WILL INCREASE THROUGH THE AFTERNOON AS AN ASSOCIATED COLD
FRONT APPROACHES EASTERN UTAH. AS THE FRONT PASSES OVER THE AREA
LATE THIS AFTERNOON INTO THE EARLY EVENING WINDS WILL SHIFT TO
WEST THEN NORTHWEST...AND DIMINISH INTO SUNDAY MORNING.

UTZ022-027-029-220300-
/O.CON.KGJT.WI.Y.0002.120121T1900Z-120122T0300Z/
SOUTHEAST UTAH-ARCHES/GRAND FLAT-CANYONLANDS/NATURAL BRIDGES-
INCLUDING THE CITIES OF...BLANDING...BLUFF...MEXICAN HAT...MOAB...
CASTLE VALLEY...THOMPSON SPRINGS
1151 AM MST SAT JAN 21 2012

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

* TIMING...FROM NOON THROUGH 8 PM MST TODAY.

* WINDS...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 50 MPH.

* VISIBILITY...AT TIMES VISIBILITY MAY DROP TO LESS THAN 1 MILE 
  IN BLOWING DUST THIS AFTERNOON. THIS EVENING...LOCAL AREAS OF 
  BLOWING SNOW ARE POSSIBLE ALSO RESTRICTING VISIBILITY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT A SIGNIFICANT WIND EVENT IS EXPECTED
OR OCCURRING. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT. USE
EXTRA CAUTION.

PEOPLE...ESPECIALLY THOSE WITH RESPIRATORY ILLNESSES... HEART
DISEASE...THE ELDERLY...AND CHILDREN ARE RECOMMENDED TO STAY
INDOORS AND AVOID PROLONGED OUTDOOR EXERCISE OR HEAVY EXERTION
DUE TO WIND-BLOWN DUST.

&&

$$
061 
WWUS75 KGJT 220313
NPWGJT

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
813 PM MST SAT JAN 21 2012

UTZ022-027-029-220415-
/O.EXP.KGJT.WI.Y.0002.000000T0000Z-120122T0300Z/
SOUTHEAST UTAH-ARCHES/GRAND FLAT-CANYONLANDS/NATURAL BRIDGES-
INCLUDING THE CITIES OF...BLANDING...BLUFF...MEXICAN HAT...MOAB...
CASTLE VALLEY...THOMPSON SPRINGS
813 PM MST SAT JAN 21 2012

...WIND ADVISORY HAS EXPIRED...

THE THREAT OF STRONG GUSTY WINDS HAS ENDED. LATE IN THE
DAY...ISOLATED THUNDERSTORMS MOVING ACROSS SOUTHEAST UTAH DID
GENERATE WIND GUSTS APPROACHING 45 MPH AT BLANDING.

$$

The office that day

Everything else NWS Grand Junction, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 20, 3:48 PM MSTWinter Weather AdvisoryGJTDaggett, Grand, San Juan, Uintah41 hr

Nearby

Wind Advisories in Utah, 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.