Alert archive / Colorado / High Wind Warnings in 2010

High Wind Warning 3, NWS Grand Junction, CO

November 23, 201010 counties in Colorado; Grand County, San Juan County, Utah

NWS Grand Junction, CO issued this high wind warning at Nov 23, 2010, 3:41 AM MST for 10 counties in Colorado; Grand County, San Juan County, Utah. It took effect at Nov 23, 2010, 6:00 PM MST. It was in force for 11 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
Nov 23, 2010, 3:41 AM MST (10:41 UTC)
In effect from
Nov 23, 2010, 6:00 PM MST
Expired
Nov 24, 2010, 4:30 AM MST
In force
11 hr
Issued by
NWS Grand Junction, CO

Counties Archuleta County, CO, Delta County, CO, Dolores County, CO, Garfield County, CO, Gunnison County, CO, La Plata County, CO, Mesa County, CO, Montezuma County, CO, Montrose County, CO, San Miguel County, CO, Grand County, UT, San Juan County, UT

The radar

The Grand Junction radar (KGJX), 93 km from the middle of the area, began a volume at 10:43 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 00:00Z, 10.7 hours before the alert went out and 102 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 00:00Z on 2010-11-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Grand Junction, CO at 00:00Z on 2010-11-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 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
3 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
1858 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
151 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this high wind warning 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 high wind warning went out at Nov 22, 7:30 PM MST, 8 hours 11 minutes earlier.

Area forecast discussion, Nov 22, 7:30 PM MST, 8 hours 11 minutes before
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Hazardous weather outlook, Nov 22, 4:58 AM MST, 22 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
458 AM MST MON NOV 22 2010

COZ001>014-017>023-UTZ022>025-027>029-231148-
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-
458 AM MST MON NOV 22 2010

...BIG WINDS BIG SNOW AND FRIGID TEMPERATURES DEVELOP BY WEDNESDAY...

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

.DAY ONE...TODAY AND TONIGHT

WIDESPREAD MOUNTAIN AND NORTHERN VALLEY SNOWFALL WILL CONTINUE TODAY
THEN DIMINISH TONIGHT. SOUTHWEST TO WEST WINDS WITH MOUNTAIN GUSTS
OF 30 TO 40 MPH WILL CAUSE LOCALIZED AREAS OF BLOWING AND
DRIFTING SNOW. WINTER STORM WARNINGS ARE IN EFFECT FOR ALL MOUNTAINS
AND NORTHERN COLORADO VALLEYS.

DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

TUESDAY WILL SEE A BRIEF BREAK BETWEEN STORMS. OTHERWISE STRONG WINDS
AND WIND DRIVEN SNOW IN THE MOUNTAINS MAY PRODUCE BLIZZARD LIKE
CONDITIONS TUESDAY NIGHT INTO WEDNESDAY. THIS COULD MAKE TRAVEL
THROUGH EASTERN UTAH AND WESTERN COLORADO VERY HAZARDOUS OR
IMPOSSIBLE TUESDAY NIGHT AND WEDNESDAY. STAY UP TO DATE ON THIS
WINTER STORM ON OUR WEB PAGE AT WWW.WEATHER.GOV/GJT. VERY COLD
TEMPERATURES WILL SETTLE OVER THE REGION STARTING WEDNESDAY AND
CONTINUE THROUGH THE THANKSGIVING WEEKEND. A CHANCE OF SNOW RETURNS
TO THE REGION SUNDAY INTO MONDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT. BUT YOU ARE
ENCOURAGED TO REPORT SNOW AMOUNTS 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 23, 3:20 AM MSTWinter Weather AdvisoryGJTEagle, Garfield, Gunnison, Moffat, Montrose, Pitkin and 1 more38 hr

Nearby

High Wind Warnings in Colorado, 2010High Wind Warnings in Utah, 2010Every high wind warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.