Alert archive / Utah / High Wind Warnings in 2013

High Wind Warning 1, NWS Grand Junction, CO

April 7, 2013Uintah County, Utah

NWS Grand Junction, CO issued this high wind warning at Apr 7, 2013, 9:38 PM MDT for Uintah County, Utah. It took effect at Apr 8, 2013, 9:00 PM MDT. It was in force for . No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 7, 2013, 9:38 PM MDT (03:38 UTC)
In effect from
Apr 8, 2013, 9:00 PM MDT
Expired
Apr 8, 2013, 3:16 PM MDT
In force
Issued by
NWS Grand Junction, CO

County Uintah County, UT

The radar

The Grand Junction radar (KGJX), 163 km from the middle of the area, began a volume at 03:38 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, 3.6 hours before the alert went out and 141 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 2013-04-08Temperature 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°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 2013-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
3656 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
64 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 Apr 7, 4:52 PM MDT, 4 hours 46 minutes earlier.

Area forecast discussion, Apr 7, 4:52 PM MDT, 4 hours 46 minutes before
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Hazardous weather outlook, Apr 7, 5:57 AM MDT, 15 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
557 AM MDT SUN APR 7 2013

COZ001>014-017>023-UTZ022>025-027>029-081200-
LOWER YAMPA RIVER BASIN-CENTRAL YAMPA RIVER BASIN-
ROAN AND TAVAPUTS PLATEAUS-ELKHEAD AND PARK MOUNTAINS-
UPPER YAMPA RIVER BASIN-GRAND VALLEY-DEBEQUE TO SILT CORRIDOR-
CENTRAL COLORADO RIVER BASIN-GRAND AND BATTLEMENT MESAS-
GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS-
CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN-
WEST ELK AND SAWATCH MOUNTAINS-FLATTOPS-
UPPER GUNNISON RIVER VALLEY-UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE-
NORTHWEST SAN JUAN MOUNTAINS-SOUTHWEST SAN JUAN MOUNTAINS-
PARADOX VALLEY/LOWER DOLORES RIVER-
FOUR CORNERS/UPPER DOLORES RIVER-ANIMAS RIVER BASIN-
SAN JUAN RIVER BASIN-SOUTHEAST UTAH-EASTERN UINTA MOUNTAINS-
EASTERN UINTA BASIN-TAVAPUTS PLATEAU-ARCHES/GRAND FLAT-
LA SAL AND ABAJO MOUNTAINS-CANYONLANDS/NATURAL BRIDGES-
557 AM MDT SUN APR 7 2013

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

.DAY ONE...TODAY AND TONIGHT

A WEAK DISTURBANCE WILL MOVE OVERHEAD TODAY BRINGING ANOTHER
CHANCE FOR SOME SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND
EVENING. SOME MINOR SNOW ACCUMULATION POSSIBLE AT HIGHER
ELEVATIONS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A POWERFUL STORM SYSTEM WILL BRING RAIN...SNOW...AND STRONG WINDS
TO THE FORECAST AREA MONDAY THROUGH WEDNESDAY. A BLIZZARD WATCH
HAS BEEN ISSUED FOR THE EASTERN UINTA MOUNTAINS AS WELL AS
NORTHWESTERN COLORADO WHERE SNOWFALL AND STRONG SURFACE WINDS ARE
EXPECTED. WINTER STORM WATCHES HAVE BEEN ISSUED FOR THE REMAINING
MOUNTAINOUS TERRAIN AS ACCUMULATING SNOW IS ALSO EXPECTED AT THOSE
LEVELS. BY WEDNESDAY...THE STORM WILL HAVE EXITED THE REGION
THOUGH WEDNESDAY EVENING SOME LIGHT SNOW IS POSSIBLE ALONG THE
CONTINENTAL DIVIDE. ANOTHER WAVE IS THEN EXPECTED TO MOVE OVER THE
REGION FROM NORTH TO SOUTH THURSDAY EVENING INTO FRIDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 9:34 PM MDTBlizzard WarningGJTGarfield, Mesa, Moffat, Rio Blanco, Routt48 hr
Apr 7, 9:34 PM MDTWinter Storm WarningGJTArchuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more48 hr
Apr 7, 9:34 PM MDTWinter Weather AdvisoryGJTArchuleta, Dolores, Garfield, La Plata, Mesa, Montezuma and 4 more48 hr
Apr 8, 4:48 AM MDTFreeze WarningGJTDelta, Garfield, Gunnison, Mesa, Montrose52 hr
Apr 8, 4:48 AM MDTWind AdvisoryGJTArchuleta, Dolores, La Plata, Mesa, Montezuma, Montrose and 1 more16 hr
Apr 8, 3:16 PM MDTWind AdvisoryGJTGrand, San Juan, Uintah26 hr

Nearby

High Wind Warnings in Utah, 2013Every high wind warning in 2013

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.