Alert archive / Wyoming / Winter Storm Watches in 2017

Winter Storm Watch 2, NWS Cheyenne, WY

January 3, 20174 counties in Wyoming

NWS Cheyenne, WY issued this winter storm watch at Jan 3, 2017, 2:31 AM MST for 4 counties in Wyoming. It took effect at Jan 4, 2017, 5:00 AM MST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 3, 2017, 2:31 AM MST (09:31 UTC)
In effect from
Jan 4, 2017, 5:00 AM MST
Expired
Jan 3, 2017, 2:20 PM 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 09:33 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 winter storm 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 winter storm watch went out at Jan 2, 8:56 PM MST, 5 hours 35 minutes earlier.

Area forecast discussion, Jan 2, 8:56 PM MST, 5 hours 35 minutes before
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Hazardous weather outlook, Jan 2, 6:04 AM MST, 20 hours 27 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
604 AM MST MON JAN 2 2017

WYZ101>119-031315-
CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY-
NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-CENTRAL CARBON COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTHWEST CARBON COUNTY-
SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-
LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY-
604 AM MST MON JAN 2 2017

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST WYOMING.

.DAY ONE...TODAY AND TONIGHT

PERIODS OF LIGHT SNOW ARE EXPECTED TODAY MAINLY ALONG AND WEST OF
A LINE FROM LARAMIE TO LUSK. AFTER A BRIEF BREAK LATE THIS
AFTERNOON...SNOW WILL REDEVELOP IN COLORADO AND PUSH NORTHEAST
DURING THE EVENING HOURS. THIS SNOW WILL MAINLY IMPACT THE
INTERSTATE 80 CORRIDOR WITH THE POTENTIAL FOR SLICK ROADS AND
LIGHT SNOW ACCUMULATIONS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

BANDS OF LIGHT TO MODERATE SNOW ARE EXPECTED TO IMPACT SOUTHEAST
WYOMING THROUGH WEDNESDAY NIGHT. SNOW ACCUMULATIONS ARE UNCERTAIN
AT THIS TIME...BUT THE POTENTIAL EXISTS FOR WIDESPREAD SNOW
ACCUMULATIONS ON WEDNESDAY WITH TRAVEL IMPACTS. SNOWFALL WILL
ALSO CONTINUE OVER THE MOUNTAINS THROUGH MUCH OF THE WEEK WITH
SIGNIFICANT SNOW ACCUMULATIONS. DANGEROUS WIND CHILLS THIS WEEK
WITH READINGS AS LOW AS 30 BELOW ZERO NORTH OF INTERSTATE 80.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE REQUIRED AT THIS TIME.

NEZ002-003-019>021-054-055-095-096-031315-
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-
604 AM MST MON JAN 2 2017

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN
NEBRASKA.

.DAY ONE...TODAY AND TONIGHT

LIGHT SNOW WILL BE POSSIBLE MAINLY ALONG AND NORTH OF CHADRON TO
SCOTTSBLUFF LINE. ANY SNOW ACCUMULATIONS SHOULD BE MINIMAL IN
GENERALLY LESS THAN A HALF INCH.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

PERIODS OF SNOW ARE POSSIBLE THROUGH THE MIDDLE OF THIS
WEEK...MAINLY ACROSS THE SOUTHERN PANHANDLE ALONG INTERSTATE 80.
DANGEROUS WIND CHILLS CAN BE EXPECTED THROUGH MID WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE REQUIRED AT THIS TIME.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 3, 2:20 PM MSTWinter Weather AdvisoryCYSAlbany, Carbon, Converse, Goshen, Laramie, Platte39 hr

Nearby

Winter Storm Watches in Wyoming, 2017Every winter storm watch in 2017

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.