Alert archive / Utah / Wind Advisories in 2010

Wind Advisory 18, NWS Grand Junction, CO

November 20, 2010Grand County, San Juan County, Uintah County, Utah

NWS Grand Junction, CO issued this wind advisory at Nov 20, 2010, 8:50 AM MST for Grand County, San Juan County, Uintah County, Utah. It took effect at Nov 20, 2010, 9:00 AM MST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Nov 20, 2010, 8:50 AM MST (15:50 UTC)
In effect from
Nov 20, 2010, 9:00 AM MST
Expired
Nov 20, 2010, 6:00 PM MST
In force
9 hr
Issued by
NWS Grand Junction, CO

Counties Grand County, UT, San Juan County, UT, Uintah County, UT

The radar

The Grand Junction radar (KGJX), 124 km from the middle of the area, began a volume at 15:50 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.

What forecasters said that day

The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Junction, CO wrote its last area forecast discussion before this wind advisory went out at Nov 20, 4:32 AM MST, 4 hours 18 minutes earlier.

Area forecast discussion, Nov 20, 4:32 AM MST, 4 hours 18 minutes before
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Hazardous weather outlook, Nov 20, 4:54 AM MST, 3 hours 56 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
454 AM MST SAT NOV 20 2010

COZ001>014-017>023-UTZ022>025-027>029-211153-
ANIMAS RIVER BASIN-ARCHES/GRAND FLAT-CANYONLANDS/NATURAL BRIDGES-
CENTRAL COLORADO RIVER BASIN-
CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN-
CENTRAL YAMPA RIVER BASIN-DEBEQUE TO SILT CORRIDOR-
EASTERN UINTA BASIN-EASTERN UINTA MOUNTAINS-
ELKHEAD AND PARK MOUNTAINS-FLAT TOPS-
FOUR CORNERS/UPPER DOLORES RIVER-
GORE AND ELK MOUNTAINS/CENTRAL MOUNTAINS-GRAND AND BATTLEMENT MESAS-
GRAND VALLEY-LA SAL AND ABAJO MOUNTAINS-LOWER YAMPA RIVER BASIN-
NORTHWEST SAN JUAN MOUNTAINS-PARADOX VALLEY/LOWER DOLORES RIVER-
ROAN AND TAVAPUTS PLATEAUS-SAN JUAN RIVER BASIN-SOUTHEAST UTAH-
SOUTHWEST SAN JUAN MOUNTAINS-TAVAPUTS PLATEAU-
UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE-UPPER GUNNISON RIVER VALLEY-
UPPER YAMPA RIVER BASIN-WEST ELK AND SAWATCH MOUNTAINS-
454 AM MST SAT NOV 20 2010

...BIG WINDS BIG SNOW AND DEEP COLD DEVELOP THROUGH WEDNESDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN
COLORADO.

.DAY ONE...TODAY AND TONIGHT

WEST TO SOUTHWEST WIND GUSTS OF 25 TO 40 MPH WILL OCCUR OVER THE
HIGHER TERRAIN AND COULD POSE PROBLEMS FOR HIGH PROFILE VEHICLES
TRAVELING MOUNTAIN PASSES. LIGHT RAIN OR SNOW SHOWERS OVER THE NORTH
THIS AFTERNOON WILL TRANSITIONS TO HEAVY SNOW FOR ALL THE MOUNTAINS
AND NORTHERN VALLEYS THIS EVENING. CONTINUED STRONG GUSTY WINDS
WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. HIGH EXPOSED
TERRAIN MAY HAVE WHITE-OUT CONDITIONS MAKING TRAVEL DANGEROUS OR
IMPOSSIBLE. WINTER STORM WARNINGS GO INTO EFFECT FOR THE MOUNTAINS
BEGINNING AT 6 PM. SIGNIFICANT SNOWFALL IS LIKELY IN THE NORTHERN
AND PORTIONS OF THE CENTRAL VALLEYS TONIGHT AS WELL.

DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

STRONG WINDS AND WIND DRIVEN SNOW IN THE MOUNTAINS COULD POTENTIALLY
YIELD 1 TO 2 FEET OF NEW SNOW BY WEDNESDAY EVENING. THE NORTHERN
AND CENTRAL VALLEYS COULD RECEIVE 4-8 INCHES OF SNOW. STAY UP TO DATE
ON THIS DEVELOPING EARLY SEASON WINTER STORM ON OUR WEB PAGE AT
WWW.WEATHER.GOV/GJT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT. BUT YOU ARE
ENCOURAGED TO REPORT WIND GUST AND PRECIPITATION VALUES TO THE
NATIONAL WEATHER SERVICE IN GRAND JUNCTION.

JOE

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 19, 5:56 PM MSTWinter Storm WarningGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more3 days
Nov 20, 4:00 AM MSTWinter Storm WatchGJTEagle, Garfield, Moffat, Pitkin, Rio Blanco, Routt10 hr

Nearby

Wind Advisories in Utah, 2010Every wind advisory in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.