Alert archive / Wyoming / High Wind Watches in 2014

High Wind Watch 30, NWS Cheyenne, WY

December 23, 20144 counties in Wyoming

NWS Cheyenne, WY issued this high wind watch at Dec 23, 2014, 2:06 PM MST for 4 counties in Wyoming. It took effect at Dec 24, 2014, 11:00 AM MST. It was in force for .

The area

The counties it named.

The facts

Issued: Dec 23, 2014, 2:06 PM MST (21:06 UTC)
In effect from: Dec 24, 2014, 11:00 AM MST
Expired: Dec 24, 2014, 2:29 AM MST
In force
Issued by: NWS Cheyenne, WY

Counties Albany County, WY, Carbon County, WY, Laramie County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 88 km from the middle of the area, began a volume at 21:11 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

Denver, CO (KDEN), launched 12:00Z, 9.1 hours before the alert went out and 283 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1834 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 115 m²/s²
0-3 km storm-relative helicity: 262 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 watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cheyenne, WY wrote its last area forecast discussion before this high wind watch went out at Dec 23, 11:12 AM MST, 2 hours 54 minutes earlier.

Area forecast discussion, Dec 23, 11:12 AM MST, 2 hours 54 minutes before

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Hazardous weather outlook, Dec 23, 6:23 AM MST, 7 hours 43 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
623 AM MST TUE DEC 23 2014

WYZ104-105-109>115-241330-
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-
SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-LARAMIE VALLEY-
623 AM MST TUE DEC 23 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
WYOMING AND SOUTHEAST WYOMING.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

A STORM SYSTEM WILL IMPACT SOUTH CENTRAL AND SOUTHEAST WYOMING
CHRISTMAS DAY INTO FRIDAY MORNING WITH SNOW ACCUMULATIONS LIKELY.
3 TO 5 INCHES OF SNOW IS POSSIBLE BUT THERE IS STILL SOME
UNCERTAINTY ON THE EXACT AMOUNTS. HIGHER AMOUNTS ARE LIKELY INTO
THE MOUNTAINS OF SOUTHEAST WYOMING WITH 6 TO 12 INCHES OF SNOW
POSSIBLE IN THE SNOWY AND SIERRA MADRE RANGES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

NEZ002-003-019>021-054-055-095-096-WYZ101>103-106>108-116>119-
241330-
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS-
NIOBRARA COUNTY-NORTH LARAMIE RANGE-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
EAST LARAMIE COUNTY-
623 AM MST TUE DEC 23 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN
NEBRASKA...EAST CENTRAL WYOMING AND SOUTHEAST WYOMING.

.DAY ONE...TODAY AND TONIGHT

STRONG WINDS WILL CONTINUE ACROSS FAR SOUTHEAST WYOMING AND
WESTERN NEBRASKA PANHANDLE. NORTH TO NORTHWEST WINDS WILL GUST
BETWEEN 50 AND 60 MPH AT TIMES THIS MORNING. WINDS WILL SLOWLY
SUBSIDE LATE THIS MORNING INTO THE AFTERNOON...AND THEN WILL
BECOME LIGHT ACROSS THE AREA THIS EVENING.

SCATTERED LIGHT SNOW SHOWERS WILL BE FOUND ACROSS MUCH OF THE AREA
EARLY THIS MORNING. THE EXCEPTION BEING OVER DAWES COUNTY IN THE
NEBRASKA PANHANDLE WHERE MODERATE TO HEAVY SNOW WILL OCCUR EARLY
THIS MORNING BEFORE TAPERING OFF THIS AFTERNOON. THE COMBINATION
OF FALLING SNOW AND GUSTY WINDS WILL REDUCE VISIBILITIES.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

A STORM SYSTEM WILL IMPACT THE AREA CHRISTMAS AFTERNOON INTO
FRIDAY MORNING. SNOW IS EXPECTED TO ACCUMLUATE ACROSS SOUTHEAST
WYOMING AND THE NEBRASKA PANHANDLE. 2 TO 4 INCHES OF SNOW IS
POSSIBLE BUT THERE IS STILL SOME UNCERTAINTY ON THE EXACT AMOUNTS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

In the hours before

Local storm report, Dec 23, 9:18 AM MST, 4 hours 48 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
918 AM MST TUE DEC 23 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0845 AM     NON-TSTM WND GST 8 S CHUGWATER           41.64N 104.82W
12/23/2014  M58.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            BEAR CREEK WYDOT SITE.

0915 AM     HEAVY SNOW       CHADRON                 42.83N 103.00W
12/23/2014  E10.0 INCH       DAWES              NE   PUBLIC

            10 TO 12 INCHES OF NEW SNOW AND STILL SNOWING.

&&

AAH

Local storm report, Dec 23, 9:21 AM MST, 4 hours 45 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
921 AM MST TUE DEC 23 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0915 AM     HEAVY SNOW       6 W CHADRON             42.83N 103.12W
12/23/2014  E8.0 INCH        DAWES              NE   PUBLIC

&&

AAH

Local storm report, Dec 23, 9:23 AM MST, 4 hours 43 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE CHEYENNE WY
923 AM MST TUE DEC 23 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0920 AM     HEAVY SNOW       6 W CHADRON             42.83N 103.12W
12/23/2014  E8.0 INCH        DAWES              NE   PUBLIC

&&

AAH

Local storm report, Dec 23, 10:00 AM MST, 4 hours 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
1000 AM MST TUE DEC 23 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0940 AM     SNOW             12 SW CHADRON           42.70N 103.17W
12/23/2014  E3.0 INCH        DAWES              NE   PUBLIC

&&

AAH

Local storm report, Dec 23, 10:46 AM MST, 3 hours 20 minutes before

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Local storm report, Dec 23, 11:43 AM MST, 2 hours 23 minutes before

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The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 22, 5:28 PM MST	Special Weather Statement	CYS	Laramie	47 min
Dec 23, 3:16 AM MST	Winter Weather Advisory	CYS	Box Butte, Sioux	8 hr
Dec 23, 10:40 AM MST	Wind Advisory	CYS	Banner, Cheyenne, Kimball, Morrill, Scotts Bluff	6 hr

Nearby

High Wind Watches in Wyoming, 2014 Every high wind watch in 2014

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.