Alert archive / Colorado / Wind Advisories in 2013

Wind Advisory 12, NWS Grand Junction, CO

November 16, 20134 counties in Colorado

NWS Grand Junction, CO issued this wind advisory at Nov 16, 2013, 3:00 AM MST for 4 counties in Colorado. It took effect at Nov 16, 2013, 12:00 PM MST. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Nov 16, 2013, 3:00 AM MST (10:00 UTC)
In effect from
Nov 16, 2013, 12:00 PM MST
Expired
Nov 16, 2013, 5:08 PM MST
In force
5 hr
Issued by
NWS Grand Junction, CO

Counties Garfield County, CO, Moffat County, CO, Rio Blanco County, CO, Routt County, CO

The radar

The Grand Junction radar (KGJX), 128 km from the middle of the area, began a volume at 10:00 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

Riverton, WY (KRIW), launched 00:00Z, 10.0 hours before the alert went out and 326 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, Riverton, WY at 00:00Z on 2013-11-16Temperature 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, Riverton, WY at 00:00Z on 2013-11-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -39 square meters per square second.193958Sfc1 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
2422 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-39 m²/s²
0-3 km storm-relative helicity
-77 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 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 15, 3:55 PM MST, 11 hours 5 minutes earlier.

Area forecast discussion, Nov 15, 3:55 PM MST, 11 hours 5 minutes before
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Hazardous weather outlook, Nov 15, 5:25 AM MST, 21 hours 35 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
525 AM MST FRI NOV 15 2013

COZ001>014-017>023-UTZ022>025-027>029-161230-
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-
525 AM MST FRI NOV 15 2013

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

.DAY ONE...TODAY AND TONIGHT

SNOW WILL DEVELOP OVER THE MOUNTAINS...BECOMING WIDESPREAD BY THE
AFTERNOON. SNOW WILL CONTINUE TONIGHT WITH THE HEAVIEST SNOW
DURING THE EVENING AS THE FIRST OF A PAIR OF STORMS MOVES ACROSS
THE AREA. RAIN IS POSSIBLE IN VALLEY AREAS...AND WILL TURN TO SNOW
IN THE NORTHERN AND HIGHER VALLEYS DURING THE EVENING. IN ADDITION
TO THE SNOW...SOUTHWEST WINDS WITH GUSTS TO 30 MPH ARE EXPECTED
ACROSS HIGHER AND EXPOSED TERRAIN.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

SATURDAY AND SATURDAY NIGHT...SNOW AND GUSTY WINDS WILL AGAIN
INTENSIFY ACROSS THE AREA BY EARLY SATURDAY AFTERNOON AS THE
SECOND STORM PUSHES INTO THE REGION. SOUTHWEST WINDS 15 TO 25 MPH
WITH GUSTS 40 TO 45 MPH WILL BLOW IN THE MOUNTAINS...WITH STRONGER
WINDS POSSIBLE ALONG EXPOSED PEAKS AND RIDGES. THEREFORE REDUCED
VISIBILITY IN BLOWING SNOW IS EXPECTED.

SUNDAY...SNOW SHOWERS WILL LINGER ACROSS THE NORTHERN AND CENTRAL
COLORADO MOUNTAINS SUNDAY MORNING BEFORE CLEARING BEGINS LATER IN
THE DAY.

MONDAY AND TUESDAY...DRY WITH SEASONAL TEMPERATURES.

WEDNESDAY AND THURSDAY...UNSETTLED CONDITIONS WITH MOUNTAIN SNOW
POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

ELH/NL

Nearby

Wind Advisories in Colorado, 2013Every wind advisory 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.