Alert archive / Wyoming / Wind Chill Advisories in 2016

Wind Chill Advisory 4, NWS Cheyenne, WY

December 17, 20164 counties in Wyoming

NWS Cheyenne, WY issued this wind chill advisory at Dec 17, 2016, 12:45 PM MST for 4 counties in Wyoming. It took effect at Dec 17, 2016, 6:00 PM MST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Dec 17, 2016, 12:45 PM MST (19:45 UTC)
In effect from
Dec 17, 2016, 6:00 PM MST
Expired
Dec 18, 2016, 8:53 AM MST
In force
15 hr
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 19:47 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 12:00Z, 7.8 hours before the alert went out and 278 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 12:00Z on 2016-12-17Temperature 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 12:00Z on 2016-12-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.19395878Sfc1 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
805 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

907 
WWUS45 KCYS 171945
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1245 PM MST SAT DEC 17 2016

...VERY COLD WIND CHILL TEMPERATURES AGAIN TONIGHT...

.THE COMBINATION OF COLD LOW TEMPERATURES ALONG WITH WINDS TONIGHT
WILL PRODUCE BITTERLY COLD WIND CHILL TEMPERATURES ONCE AGAIN.

NEZ002-003-019>021-054-055-095-096-WYZ101>105-108-114>116-181200-
/O.NEW.KCYS.WC.W.0003.161218T0100Z-161218T1600Z/
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS-
NIOBRARA COUNTY-NORTH LARAMIE RANGE-
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-GOSHEN COUNTY-
SNOWY RANGE-LARAMIE VALLEY-SOUTH LARAMIE RANGE-
INCLUDING THE CITIES OF...CHADRON...CHADRON ST PARK...ALLIANCE...
SCOTTSBLUFF...GERING...HARRISBURG...ANGORA...BRIDGEPORT...
BAYARD...REDINGTON...KIMBALL...BROWNSON...SIDNEY...HARRISON...
AGATE...BILL...DOUGLAS...DEER CREEK...GLENROCK...LUSK...REDBIRD...
GARRETT...SEMINOE DAM...MEDICINE BOW...SHIRLEY BASIN...
TORRINGTON...CENTENNIAL...ALBANY...BOSLER...LARAMIE...BUFORD...
PUMPKIN VINE...VEDAUWOO
1245 PM MST SAT DEC 17 2016

...WIND CHILL WARNING IN EFFECT FROM 6 PM THIS EVENING TO 9 AM
MST SUNDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM MST
SUNDAY. 

* WIND CHILL VALUES...30 BELOW TO 45 DEGREES BELOW ZERO.

* IMPACTS...EXPOSURE TO UNCOVERED SKIN MAY RESULT IN FROSTBITE
  OR HYPOTHERMIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

WYZ106-107-109>113-117>119-181200-
/O.NEW.KCYS.WC.Y.0004.161218T0100Z-161218T1600Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-CENTRAL CARBON COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTHWEST CARBON COUNTY-
SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...BORDEAUX...WHEATLAND...GUERNSEY...
RAWLINS...ARLINGTON...ELK MOUNTAIN...BAGGS...SARATOGA...
ENCAMPMENT...WHITAKER...FEDERAL...HORSE CREEK...CHEYENNE...
PINE BLUFFS
1245 PM MST SAT DEC 17 2016

...WIND CHILL ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 9 AM
MST SUNDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM MST
SUNDAY. 

* WIND CHILL VALUES...20 BELOW TO 30 DEGREES BELOW ZERO.

* IMPACTS...EXPOSURE TO UNCOVERED SKIN MAY RESULT IN FROSTBITE OR
  HYPOTHERMIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. 
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

&&

$$

RUBIN
3 follow-up statements
721 
WWUS45 KCYS 180225
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
725 PM MST SAT DEC 17 2016

...VERY COLD WIND CHILL TEMPERATURES AGAIN TONIGHT...

.THE COMBINATION OF VERY COLD LOW TEMPERATURES ALONG WITH WINDS
TONIGHT WILL PRODUCE BITTERLY COLD WIND CHILL TEMPERATURES ONCE
AGAIN.

NEZ002-003-019>021-054-055-095-096-WYZ101>105-108-114>116-181600-
/O.CON.KCYS.WC.W.0003.000000T0000Z-161218T1600Z/
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS-
NIOBRARA COUNTY-NORTH LARAMIE RANGE-
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-GOSHEN COUNTY-
SNOWY RANGE-LARAMIE VALLEY-SOUTH LARAMIE RANGE-
INCLUDING THE CITIES OF...CHADRON...CHADRON ST PARK...ALLIANCE...
SCOTTSBLUFF...GERING...HARRISBURG...ANGORA...BRIDGEPORT...
BAYARD...REDINGTON...KIMBALL...BROWNSON...SIDNEY...HARRISON...
AGATE...BILL...DOUGLAS...DEER CREEK...GLENROCK...LUSK...REDBIRD...
GARRETT...SEMINOE DAM...MEDICINE BOW...SHIRLEY BASIN...
TORRINGTON...CENTENNIAL...ALBANY...BOSLER...LARAMIE...BUFORD...
PUMPKIN VINE...VEDAUWOO
725 PM MST SAT DEC 17 2016

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM MST SUNDAY...

* WIND CHILL VALUES...30 BELOW TO 45 DEGREES BELOW ZERO.

* IMPACTS...EXPOSURE TO UNCOVERED SKIN MAY RESULT IN FROSTBITE OR
  HYPOTHERMIA. DO NOT LEAVE PETS OUTSIDE!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

WYZ106-107-109>113-117>119-181600-
/O.CON.KCYS.WC.Y.0004.000000T0000Z-161218T1600Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-CENTRAL CARBON COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTHWEST CARBON COUNTY-
SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...BORDEAUX...WHEATLAND...GUERNSEY...
RAWLINS...ARLINGTON...ELK MOUNTAIN...BAGGS...SARATOGA...
ENCAMPMENT...WHITAKER...FEDERAL...HORSE CREEK...CHEYENNE...
PINE BLUFFS
725 PM MST SAT DEC 17 2016

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST SUNDAY...

* WIND CHILL VALUES...20 BELOW TO 30 DEGREES BELOW ZERO.

* IMPACTS...EXPOSURE TO UNCOVERED SKIN MAY RESULT IN FROSTBITE 
  OR HYPOTHERMIA. DO NOT LEAVE PETS OUTSIDE! 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

&&

$$
412 
WWUS45 KCYS 180951
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
251 AM MST SUN DEC 18 2016

...VERY COLD WIND CHILL TEMPERATURES EARLY THIS MORNING...

.THE COMBINATION OF VERY COLD TEMPERATURES AND WINDS WILL PRODUCE
BITTERLY COLD WIND CHILL TEMPERATURES EARLY THIS MORNING.

NEZ002-003-019>021-054-055-095-096-WYZ101>105-108-114>116-181600-
/O.CON.KCYS.WC.W.0003.000000T0000Z-161218T1600Z/
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS-
NIOBRARA COUNTY-NORTH LARAMIE RANGE-
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-GOSHEN COUNTY-
SNOWY RANGE-LARAMIE VALLEY-SOUTH LARAMIE RANGE-
INCLUDING THE CITIES OF...CHADRON...CHADRON ST PARK...ALLIANCE...
SCOTTSBLUFF...GERING...HARRISBURG...ANGORA...BRIDGEPORT...
BAYARD...REDINGTON...KIMBALL...BROWNSON...SIDNEY...HARRISON...
AGATE...BILL...DOUGLAS...DEER CREEK...GLENROCK...LUSK...REDBIRD...
GARRETT...SEMINOE DAM...MEDICINE BOW...SHIRLEY BASIN...
TORRINGTON...CENTENNIAL...ALBANY...BOSLER...LARAMIE...BUFORD...
PUMPKIN VINE...VEDAUWOO
251 AM MST SUN DEC 18 2016

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM MST THIS
MORNING...

* WIND CHILL VALUES...30 BELOW TO 45 DEGREES BELOW ZERO.

* IMPACTS...EXPOSURE TO UNCOVERED SKIN MAY RESULT IN FROSTBITE 
  OR HYPOTHERMIA. DO NOT LEAVE PETS OUTSIDE! 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

WYZ106-107-109>113-117>119-181600-
/O.CON.KCYS.WC.Y.0004.000000T0000Z-161218T1600Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-CENTRAL CARBON COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTHWEST CARBON COUNTY-
SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...BORDEAUX...WHEATLAND...GUERNSEY...
RAWLINS...ARLINGTON...ELK MOUNTAIN...BAGGS...SARATOGA...
ENCAMPMENT...WHITAKER...FEDERAL...HORSE CREEK...CHEYENNE...
PINE BLUFFS
251 AM MST SUN DEC 18 2016

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS
MORNING...

* WIND CHILL VALUES...20 BELOW TO 30 DEGREES BELOW ZERO.

* IMPACTS...EXPOSURE TO UNCOVERED SKIN MAY RESULT IN FROSTBITE 
  OR HYPOTHERMIA. DO NOT LEAVE PETS OUTSIDE! 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

&&

$$
869 
WWUS45 KCYS 181553
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
853 AM MST SUN DEC 18 2016

...WIND CHILL ADVISORIES AND WARNINGS HAVE BEEN CANCELLED...

.THE WIND CHILL ADVISORIES AND WARNINGS HAVE BEEN CANCELLED AS OF
9 AM MST.

NEZ002-003-019>021-054-055-095-096-WYZ101>105-108-114>116-181700-
/O.CAN.KCYS.WC.W.0003.000000T0000Z-161218T1600Z/
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS-
NIOBRARA COUNTY-NORTH LARAMIE RANGE-
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-GOSHEN COUNTY-
SNOWY RANGE-LARAMIE VALLEY-SOUTH LARAMIE RANGE-
INCLUDING THE CITIES OF...CHADRON...CHADRON ST PARK...ALLIANCE...
SCOTTSBLUFF...GERING...HARRISBURG...ANGORA...BRIDGEPORT...
BAYARD...REDINGTON...KIMBALL...BROWNSON...SIDNEY...HARRISON...
AGATE...BILL...DOUGLAS...DEER CREEK...GLENROCK...LUSK...REDBIRD...
GARRETT...SEMINOE DAM...MEDICINE BOW...SHIRLEY BASIN...
TORRINGTON...CENTENNIAL...ALBANY...BOSLER...LARAMIE...BUFORD...
PUMPKIN VINE...VEDAUWOO
853 AM MST SUN DEC 18 2016

...WIND CHILL WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WIND
CHILL WARNING. 

$$

WYZ106-107-109>113-117>119-181700-
/O.CAN.KCYS.WC.Y.0004.000000T0000Z-161218T1600Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-CENTRAL CARBON COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTHWEST CARBON COUNTY-
SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...BORDEAUX...WHEATLAND...GUERNSEY...
RAWLINS...ARLINGTON...ELK MOUNTAIN...BAGGS...SARATOGA...
ENCAMPMENT...WHITAKER...FEDERAL...HORSE CREEK...CHEYENNE...
PINE BLUFFS
853 AM MST SUN DEC 18 2016

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WIND
CHILL ADVISORY. 

$$

RUBIN

What forecasters said that day

The local office's own words before this wind chill advisory 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 wind chill advisory went out at Dec 17, 10:25 AM MST, 2 hours 20 minutes earlier.

Area forecast discussion, Dec 17, 10:25 AM MST, 2 hours 20 minutes before
Area Forecast Discussion
National Weather Service Cheyenne WY
1025 AM MST Sat Dec 17 2016

.UPDATE...
Issued at 1008 AM MST Sat Dec 17 2016

CANCELLED THE WIND CHILL ADVISORY AND WARNING.

&&

.SHORT TERM...(Today through Sunday night)
Issued at 330 AM MST Sat Dec 17 2016

Predawn water vapor loop depicted a positively-tilted upper trough
axis from the MT/ND border across central WY, UT and northern AZ.
Most of the moisture, shortwave energy and associated lift shifted
to the east and south of the CWA. The arctic front was located from
southern CO across the northern TX panhandle and OK. IR imagery
indicated the colder cloud tops extended from western NE into central
and eastern CO, colocated with the location of the heavier snow bands.
Light snow/flurries were reported over portions of the NE panhandle,
and this activity will end by sunrise per the latest HRRR. The center
of the arctic high was located over MT where surface temperatures
ranged from -15 to -25 degrees. Tight pressure gradient between this
high and the front to the south continued to generate blustery
northerly winds of 20 to 35 mph, resulting in bitterly cold wind
chills of -15 to -35 degrees.

00Z short range models in good agreement with the eastward progression
of the upper trough today and prevailing northwest flow aloft. The
arctic high to the north weakens slightly as it settles southeast
across the north central Great Plains through tonight. Despite the
clearing skies today, cold air advection/700mb temperatures of -20
to -25 degrees Celsius will keep a lid on high temperatures, ranging
from -5 to 5 degrees. Wind chill temperatures moderate slightly after
midday, ranging from -15 to -25 degrees thanks to brisk northwest
winds. The axis of the coldest air slides east into the high plains
tonight with lows from -10 to -25 degrees. West winds of 10 to 15
mph will lower wind chills to -25 to -40 degrees tonight. Areas
west of the Laramie Range outside the higher mountains can expect
wind chills of -15 to -30 degrees this evening before temperatures
slowly rise later tonight. Sunday will be milder as 700mb temperatures
moderate to around -15 degrees Celsius during the afternoon. Expect
high temperatures in the low to mid teens west and upper teens to
lower 20s east.

Lows Sunday night will moderate into the single digits above zero
outside the mountains as westerly winds increase. In fact, the
CAG-CPR 850/700mb gradients rise above 60 meters after 06Z Sunday
night. High wind probabilities rise to 78 percent at Bordeaux by
12Z Monday, and trended higher with the winds for the central
Laramie Range/Southwest Platte County zone. This will be the start
of a prolonged windy period for much of southeast Wyoming early
next week.

.LONG TERM...(Monday through Friday)
Issued at 315 AM MST Sat Dec 17 2016

Milder weather will return to the CWA for Monday and Tuesday as the
upper flow becomes more westerly and sunshine combines with downslope
flow. Looking fairly windy in the wind prone areas Monday into Tuesday
as lee troughing increases the pressure gradient. Next upper shortwave
passes by Tuesday night bringing some snow showers mainly to the higher
mtns as well as a push of cooler air...not of arctic origin though.
Dry and cool Wednesday and Thursday with a short upper ridge moving
across the region. Next shortwave arrives friday bringing another
round of snow showers mainly to the higher terrain as well as cooler
temperatures.

&&

.AVIATION...(For the 18Z TAFS through 18Z Sunday afternoon)
Issued at 1021 AM MST Sat Dec 17 2016

VFR conditions expected as high pressure and westerly winds over
the area. storm system that brough the widespread snow now well
southeast. Very cold temperatures will continue next 24 hours
before warming.

&&

.FIRE WEATHER...
Issued at 255 AM MST Sat Dec 17 2016

An arctic air mass has settled into the districts today and will bring
the coldest temperatures this season. Gusty northwest winds will produce
bitterly cold wind chills of -25 to -40 this morning and again tonight
and Sunday morning. High humidities and a fresh snowpack will preclude
fire weather concerns this weekend. Windy and milder weather returns
early next week.

&&

.CYS WATCHES/WARNINGS/ADVISORIES...
WY...None.
NE...None.
&&

UPDATE...RUBIN
SHORT TERM...MAJ
LONG TERM...RE
AVIATION...GCC
FIRE WEATHER...MAJ
Hazardous weather outlook, Dec 17, 10:20 AM MST, 2 hours 25 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
1020 AM MST SAT DEC 17 2016

WYZ101>119-181115-
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-
1020 AM MST SAT DEC 17 2016

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

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

BITTERLY COLD WIND CHILLS OF 20 TO 35 DEGREES BELOW ZERO ARE FORECAST
SUNDAY MORNING.

STRONG AND GUSTY WESTERLY WINDS WILL DEVELOP SUNDAY NIGHT AND
CONTINUE INTO EARLY NEXT WEEK. THESE STRONG WINDS WILL IMPACT THE
WIND CORRIDORS OF SOUTHEAST WYOMING INCLUDING ARLINGTON AND BORDEAUX.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE REQUIRED TODAY OR TONIGHT.

NEZ002-003-019>021-054-055-095-096-181115-
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-
1020 AM MST SAT DEC 17 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN
NEBRASKA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

BITTERLY COLD WIND CHILLS OF 25 TO 40 DEGREES BELOW ZERO ARE FORECAST
SUNDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE REQUIRED TODAY OR TONIGHT.

In the hours before

Local storm report, Dec 17, 7:33 AM MST, 5 hours 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
733 AM MST SAT DEC 17 2016

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

0200 AM     HEAVY SNOW       35 S RAWLINS            41.28N 107.23W
12/17/2016  E12.0 INCH       CARBON             WY   PARK/FOREST SRVC

            SAGE CREEK BASIN SNOTEL IN THE SIERRA MADRE RANGE.
            ELEVATION 7850 FEET. SNOW WATER EQUIVALENT IS 0.8 INCHES
            AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1.
            ACCUMULATION WAS OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       19 WSW ENCAMPMENT       41.10N 107.13W
12/17/2016  E19.5 INCH       CARBON             WY   PARK/FOREST SRVC

            DIVIDE PEAK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION
            8880 FEET. SNOW WATER EQUIVALENT IS 1.3 INCHES AND THE
            SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS
            OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       10 WSW ENCAMPMENT       41.15N 106.97W
12/17/2016  E30.0 INCH       CARBON             WY   PARK/FOREST SRVC

            OLD BATTLE SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION
            10000 FEET. SNOW WATER EQUIVALENT IS 2.5 INCHES AND THE
            SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS
            OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       5 SW ENCAMPMENT         41.16N 106.86W
12/17/2016  E26.4 INCH       CARBON             WY   PARK/FOREST SRVC

            WEBBER SPRINGS SNOTEL IN THE SIERRA MADRE RANGE.
            ELEVATION 9250 FEET. SNOW WATER EQUIVALENT IS 2.2 INCHES
            AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1.
            ACCUMULATION WAS OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       10 SW ENCAMPMENT        41.11N 106.93W
12/17/2016  E36.0 INCH       CARBON             WY   PARK/FOREST SRVC

            LITTLE SNAKE RIVER SNOTEL IN THE SIERRA MADRE RANGE.
            ELEVATION 8915 FEET. SNOW WATER EQUIVALENT IS 3.0 INCHES
            AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1.
            ACCUMULATION WAS OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       28 E SAVERY             41.02N 106.91W
12/17/2016  E13.2 INCH       CARBON             WY   PARK/FOREST SRVC

            WHISKEY PARK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION
            8950 FEET. SNOW WATER EQUIVALENT IS 1.1 INCHES AND THE
            SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS
            OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       8 ENE HOG PARK CAMPGROU 41.06N 106.71W
12/17/2016  E30.0 INCH       CARBON             WY   PARK/FOREST SRVC

            BLACKHALL MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE.
            ELEVATION 9820 FEET. SNOW WATER EQUIVALENT IS 2.0 INCHES
            AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1.
            ACCUMULATION WAS OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       17 ENE RIVERSIDE        41.31N 106.48W
12/17/2016  E15.0 INCH       CARBON             WY   PARK/FOREST SRVC

            SOUTH BRUSH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION
            8440 FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE
            SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS
            OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       12 WNW CENTENNIAL       41.37N 106.32W
12/17/2016  E36.0 INCH       ALBANY             WY   PARK/FOREST SRVC

            NORTH FRENCH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION
            10130 FEET. SNOW WATER EQUIVALENT IS 2.4 INCHES AND THE
            SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS
            OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       30 WNW LARAMIE          41.48N 106.12W
12/17/2016  E16.5 INCH       CARBON             WY   PARK/FOREST SRVC

            SAND LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10050
            FEET. SNOW WATER EQUIVALENT IS 1.1 INCHES AND THE SNOW TO
            LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST
            27 HOURS.

0200 AM     HEAVY SNOW       7 NW CENTENNIAL         41.37N 106.21W
12/17/2016  E19.5 INCH       ALBANY             WY   PARK/FOREST SRVC

            BROOKLYN LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10240
            FEET. SNOW WATER EQUIVALENT IS 1.3 INCHES AND THE SNOW TO
            LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST
            27 HOURS.

0200 AM     HEAVY SNOW       6 SW CENTENNIAL         41.24N 106.19W
12/17/2016  E15.0 INCH       ALBANY             WY   PARK/FOREST SRVC

            CINNABAR PARK SNOTEL IN THE SNOWY RANGE. ELEVATION 9574
            FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE SNOW TO
            LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST
            27 HOURS.

0200 AM     HEAVY SNOW       21 SSE ELK MOUNTAIN     41.41N 106.26W
12/17/2016  E21.0 INCH       CARBON             WY   PARK/FOREST SRVC

            MEDICINE BOW SNOTEL IN THE SNOWY RANGE. ELEVATION 10500
            FEET. SNOW WATER EQUIVALENT IS 1.4 INCHES AND THE SNOW TO
            LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST
            27 HOURS.

0200 AM     HEAVY SNOW       17 SW ENCAMPMENT        41.03N 107.03W
12/17/2016  E18.0 INCH       CARBON             WY   PARK/FOREST SRVC

            SANDSTONE RANGER STATION SNOTEL IN THE SIERRA MADRE
            RANGE. ELEVATION 8150 FEET. SNOW WATER EQUIVALENT IS 1.2
            INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1.
            ACCUMULATION WAS OVER PAST 27 HOURS.

&&

GCLAYCOM
Local storm report, Dec 17, 8:30 AM MST, 4 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
830 AM MST SAT DEC 17 2016

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

0200 AM     HEAVY SNOW       12 SW ESTERBROOK        42.29N 105.53W
12/17/2016  E18.0 INCH       CONVERSE           WY   PARK/FOREST SRVC

            WINDY PEAK SNOTEL. ELEVATION 7900 FEET. SWE 1.2 INCHES
            OVER PAST 27 HOURS. 15 TO 1 RATIO USED.

0200 AM     HEAVY SNOW       38 SW DOUGLAS           42.37N 105.92W
12/17/2016  E18.0 INCH       ALBANY             WY   PARK/FOREST SRVC

            LAPRELE CREEK SNOTEL. ELEVATION 8375 FEET. SWE 1.2 INCHES
            OVER PAST 27 HOURS. 15 TO 1 RATIO USED.

&&

GCLAYCOM
Local storm report, Dec 17, 10:05 AM MST, 2 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHEYENNE WY
1005 AM MST SAT DEC 17 2016

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

1200 PM     SNOW             CHADRON                 42.83N 103.00W
12/16/2016  E4.0 INCH        DAWES              NE   BROADCAST MEDIA

1200 PM     SNOW             HARRISON                42.69N 103.88W
12/16/2016  M4.9 INCH        SIOUX              NE   CO-OP OBSERVER

1235 PM     SNOW             LUSK                    42.76N 104.45W
12/16/2016  E3.5 INCH        NIOBRARA           WY   LAW ENFORCEMENT

            3 TO 4 INCHES AND STILL SNOWING

1237 PM     SNOW             DOUGLAS                 42.76N 105.39W
12/16/2016  E1.5 INCH        CONVERSE           WY   LAW ENFORCEMENT

1239 PM     SNOW             6 S CHADRON             42.74N 103.00W
12/16/2016  M2.0 INCH        DAWES              NE   TRAINED SPOTTER

1239 PM     SNOW             LOST SPRINGS            42.77N 104.92W
12/16/2016  M2.0 INCH        CONVERSE           WY   TRAINED SPOTTER

1242 PM     SNOW             10 S CHADRON            42.68N 103.00W
12/16/2016  M3.5 INCH        DAWES              NE   PARK/FOREST SRVC

            3 TO 4 INCHES.

1245 PM     HEAVY SNOW       12 NW CHADRON           42.95N 103.17W
12/16/2016  M6.0 INCH        DAWES              NE   TRAINED SPOTTER

1250 PM     HEAVY SNOW       CRAWFORD                42.69N 103.41W
12/16/2016  E8.0 INCH        DAWES              NE   PUBLIC

0132 PM     SNOW             10 E WHEATLAND          42.05N 104.76W
12/16/2016  M4.0 INCH        PLATTE             WY   CO-OP OBSERVER

            SNOW DEPTH 4 INCHES AND IS STILL SNOWING.

0148 PM     SNOW             4 N WHEATLAND           42.11N 104.96W
12/16/2016  M5.5 INCH        PLATTE             WY   CO-OP OBSERVER

            SNOW DEPTH WAS 5.5 INCHES.

0155 PM     SNOW             WHEATLAND               42.05N 104.96W
12/16/2016  M5.0 INCH        PLATTE             WY   EMERGENCY MNGR

0345 PM     SNOW             SCOTTSBLUFF             41.87N 103.66W
12/16/2016  M2.0 INCH        SCOTTS BLUFF       NE   EMERGENCY MNGR

            STORM TOTAL SO FAR. MEASURED 1 INCH THIS MORNING AND
            ANOTHER 0.5 TO 1 INCH THIS AFTERNOON AT THE EOC.

0355 PM     HEAVY SNOW       CHADRON                 42.83N 103.00W
12/16/2016  M6.2 INCH        DAWES              NE   BROADCAST MEDIA

0445 PM     SNOW             11 N LANCE CREEK        43.18N 104.64W
12/16/2016  M3.0 INCH        NIOBRARA           WY   CO-OP OBSERVER

            SNOW DEPTH 3 INCHES AND WAS SNOWING.

0523 PM     SNOW             MEDICINE BOW            41.90N 106.20W
12/16/2016  E0.0 INCH        CARBON             WY   DEPT OF HIGHWAYS

            HIGHWAY 487 FROM MEDICINE BOW TO WY220 CLOSED DUE TO
            WINTER WEATHER CONDITIONS. OPENED AT 17/759PM.

0537 PM     SNOW             DOUGLAS                 42.76N 105.39W
12/16/2016  E0.0 INCH        CONVERSE           WY   DEPT OF HIGHWAYS

            INTERSTATE 25 BETWEEN DOUGLAS AND CASPER CLOSED DUE TO
            WINTER WEATHER CONDITIONS. OPENED AT 17/726AM.

0609 PM     SNOW             N MUDDY GAP             42.38N 107.44W
12/16/2016  E0.0 INCH        CARBON             WY   DEPT OF HIGHWAYS

            WY 287 BETWEEN RAWLINS AND MUDDY GAP CLOSED DUE TO WINTER
            WEATHER CONDITIONS. ESTIMATED OPENING TIME 17/11 AM.

0636 PM     SNOW             REDBIRD                 43.24N 104.27W
12/16/2016  M5.0 INCH        NIOBRARA           WY   CO-OP OBSERVER

            SNOW DEPTH 5 INCHES.

0648 PM     SNOW             LARAMIE                 41.31N 105.58W
12/16/2016  M2.0 INCH        ALBANY             WY   LAW ENFORCEMENT

            SNOW DEPTH 2 INCHES.

0656 PM     SNOW             LUSK                    42.76N 104.45W
12/16/2016  M4.5 INCH        NIOBRARA           WY   LAW ENFORCEMENT

            SNOW DEPTH 3.5 TO 4.5 AND IS SNOWING HARDER.

0656 PM     SNOW             DOUGLAS                 42.76N 105.39W
12/16/2016  M3.0 INCH        CONVERSE           WY   LAW ENFORCEMENT

            SNOW DEPTH 3 INCHES.

0800 PM     SNOW             WHEATLAND               42.05N 104.96W
12/16/2016  M5.0 INCH        PLATTE             WY   PUBLIC

0820 PM     EXTR WIND CHILL  9 S WHEATLAND           41.92N 104.96W
12/16/2016  M-22.00 F        PLATTE             WY   DEPT OF HIGHWAYS

0820 PM     EXTR WIND CHILL  8 S CHUGWATER           41.64N 104.82W
12/16/2016  M-20.00 F        LARAMIE            WY   DEPT OF HIGHWAYS

0820 PM     EXTR WIND CHILL  3 NW ARLINGTON          41.62N 106.25W
12/16/2016  M-23.00 F        CARBON             WY   DEPT OF HIGHWAYS

0821 PM     EXTREME COLD     13 S GLENDO             42.32N 105.03W
12/16/2016  M-23.00 F        PLATTE             WY   DEPT OF HIGHWAYS

0827 PM     EXTR WIND CHILL  VEDAUWOO                41.15N 105.40W
12/16/2016  M-23.00 F        ALBANY             WY   EMERGENCY MNGR

0841 PM     EXTR WIND CHILL  15 E SINCLAIR           41.78N 106.83W
12/16/2016  M-23.00 F        CARBON             WY   DEPT OF HIGHWAYS

            THIS IS WYDOT SITE WALCOTT JUNCTION.

0845 PM     EXTR WIND CHILL  2 NW SHIRLEY BASIN      42.37N 106.24W
12/16/2016  M32.00 F         CARBON             WY   DEPT OF HIGHWAYS

            THIS IS WYDOT SITE SHIRLEY RIM.

0846 PM     EXTR WIND CHILL  13 S GLENDO             42.32N 105.03W
12/16/2016  M-25.00 F        PLATTE             WY   DEPT OF HIGHWAYS

0850 PM     EXTR WIND CHILL  2 NW SHIRLEY BASIN      42.37N 106.24W
12/16/2016  M-33.00 F        CARBON             WY   DEPT OF HIGHWAYS

            THIS IS WYDOT SITE SHIRLEY RIM.

0852 PM     EXTR WIND CHILL  ESTERBROOK              42.41N 105.36W
12/16/2016  M-30.00 F        CONVERSE           WY   MESONET

0855 PM     EXTR WIND CHILL  WHITAKER                41.41N 104.87W
12/16/2016  E-24.00 F        LARAMIE            WY   DEPT OF HIGHWAYS

0855 PM     EXTR WIND CHILL  8 S CHUGWATER           41.64N 104.82W
12/16/2016  M-26.00 F        LARAMIE            WY   DEPT OF HIGHWAYS

1000 PM     HEAVY SNOW       CHADRON                 42.83N 103.00W
12/16/2016  M7.5 INCH        DAWES              NE   BROADCAST MEDIA

            STORM TOTAL SNOWFALL.

0200 AM     HEAVY SNOW       30 WNW LARAMIE          41.48N 106.12W
12/17/2016  E16.5 INCH       CARBON             WY   PARK/FOREST SRVC

            SAND LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10050
            FEET. SNOW WATER EQUIVALENT IS 1.1 INCHES AND THE SNOW TO
            LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST
            27 HOURS.

0200 AM     HEAVY SNOW       35 S RAWLINS            41.28N 107.23W
12/17/2016  E12.0 INCH       CARBON             WY   PARK/FOREST SRVC

            SAGE CREEK BASIN SNOTEL IN THE SIERRA MADRE RANGE.
            ELEVATION 7850 FEET. SNOW WATER EQUIVALENT IS 0.8 INCHES
            AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1.
            ACCUMULATION WAS OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       19 WSW ENCAMPMENT       41.10N 107.13W
12/17/2016  E19.5 INCH       CARBON             WY   PARK/FOREST SRVC

            DIVIDE PEAK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION
            8880 FEET. SNOW WATER EQUIVALENT IS 1.3 INCHES AND THE
            SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS
            OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       10 WSW ENCAMPMENT       41.15N 106.97W
12/17/2016  E30.0 INCH       CARBON             WY   PARK/FOREST SRVC

            OLD BATTLE SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION
            10000 FEET. SNOW WATER EQUIVALENT IS 2.5 INCHES AND THE
            SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS
            OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       5 SW ENCAMPMENT         41.16N 106.86W
12/17/2016  E26.4 INCH       CARBON             WY   PARK/FOREST SRVC

            WEBBER SPRINGS SNOTEL IN THE SIERRA MADRE RANGE.
            ELEVATION 9250 FEET. SNOW WATER EQUIVALENT IS 2.2 INCHES
            AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1.
            ACCUMULATION WAS OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       10 SW ENCAMPMENT        41.11N 106.93W
12/17/2016  E36.0 INCH       CARBON             WY   PARK/FOREST SRVC

            LITTLE SNAKE RIVER SNOTEL IN THE SIERRA MADRE RANGE.
            ELEVATION 8915 FEET. SNOW WATER EQUIVALENT IS 3.0 INCHES
            AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1.
            ACCUMULATION WAS OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       28 E SAVERY             41.02N 106.91W
12/17/2016  E13.2 INCH       CARBON             WY   PARK/FOREST SRVC

            WHISKEY PARK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION
            8950 FEET. SNOW WATER EQUIVALENT IS 1.1 INCHES AND THE
            SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS
            OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       8 ENE HOG PARK CAMPGROU 41.06N 106.71W
12/17/2016  E30.0 INCH       CARBON             WY   PARK/FOREST SRVC

            BLACKHALL MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE.
            ELEVATION 9820 FEET. SNOW WATER EQUIVALENT IS 2.0 INCHES
            AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1.
            ACCUMULATION WAS OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       12 WNW CENTENNIAL       41.37N 106.32W
12/17/2016  E36.0 INCH       ALBANY             WY   PARK/FOREST SRVC

            NORTH FRENCH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION
            10130 FEET. SNOW WATER EQUIVALENT IS 2.4 INCHES AND THE
            SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS
            OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       17 ENE RIVERSIDE        41.31N 106.48W
12/17/2016  E15.0 INCH       CARBON             WY   PARK/FOREST SRVC

            SOUTH BRUSH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION
            8440 FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE
            SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS
            OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       7 NW CENTENNIAL         41.37N 106.21W
12/17/2016  E19.5 INCH       ALBANY             WY   PARK/FOREST SRVC

            BROOKLYN LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10240
            FEET. SNOW WATER EQUIVALENT IS 1.3 INCHES AND THE SNOW TO
            LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST
            27 HOURS.

0200 AM     HEAVY SNOW       6 SW CENTENNIAL         41.24N 106.19W
12/17/2016  E15.0 INCH       ALBANY             WY   PARK/FOREST SRVC

            CINNABAR PARK SNOTEL IN THE SNOWY RANGE. ELEVATION 9574
            FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE SNOW TO
            LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST
            27 HOURS.

0200 AM     HEAVY SNOW       21 SSE ELK MOUNTAIN     41.41N 106.26W
12/17/2016  E21.0 INCH       CARBON             WY   PARK/FOREST SRVC

            MEDICINE BOW SNOTEL IN THE SNOWY RANGE. ELEVATION 10500
            FEET. SNOW WATER EQUIVALENT IS 1.4 INCHES AND THE SNOW TO
            LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST
            27 HOURS.

0200 AM     HEAVY SNOW       17 SW ENCAMPMENT        41.03N 107.03W
12/17/2016  E18.0 INCH       CARBON             WY   PARK/FOREST SRVC

            SANDSTONE RANGER STATION SNOTEL IN THE SIERRA MADRE
            RANGE. ELEVATION 8150 FEET. SNOW WATER EQUIVALENT IS 1.2
            INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1.
            ACCUMULATION WAS OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       12 SW ESTERBROOK        42.29N 105.53W
12/17/2016  E18.0 INCH       CONVERSE           WY   PARK/FOREST SRVC

            WINDY PEAK SNOTEL. ELEVATION 7900 FEET. SWE 1.2 INCHES
            OVER PAST 27 HOURS. 15 TO 1 RATIO USED.

0200 AM     HEAVY SNOW       38 SW DOUGLAS           42.37N 105.92W
12/17/2016  E18.0 INCH       ALBANY             WY   PARK/FOREST SRVC

            LAPRELE CREEK SNOTEL. ELEVATION 8375 FEET. SWE 1.2 INCHES
            OVER PAST 27 HOURS. 15 TO 1 RATIO USED.

0600 AM     HEAVY SNOW       2 NW FORT LARAMIE       42.23N 104.54W
12/17/2016  E6.0 INCH        GOSHEN             WY   COCORAHS

            0.34 SWE

0600 AM     HEAVY SNOW       SHIRLEY BASIN           42.35N 106.21W
12/17/2016  M7.0 INCH        CARBON             WY   CO-OP OBSERVER

            0.09 SWE.

0700 AM     SNOW             LUSK                    42.76N 104.45W
12/17/2016  E4.0 INCH        NIOBRARA           WY   LAW ENFORCEMENT

            3-4 INCHES WITH LARGER DRIFTS.

0700 AM     HEAVY SNOW       HARRISON                42.69N 103.88W
12/17/2016  M9.0 INCH        SIOUX              NE   CO-OP OBSERVER

            0.25 SWE.

0700 AM     SNOW             ALLIANCE                42.10N 102.87W
12/17/2016  E5.0 INCH        BOX BUTTE          NE   LAW ENFORCEMENT

            4-5 INCHES WITH LARGER DRIFTS.

0700 AM     HEAVY SNOW       WHEATLAND               42.05N 104.96W
12/17/2016  E6.0 INCH        PLATTE             WY   LAW ENFORCEMENT

            LARGER DRIFTS. SEMI ACCIDENT ON I-25 NEAR MILE MARKER 100
            AT 7AM THIS MORNING.

0700 AM     HEAVY SNOW       29 N TORRINGTON         42.49N 104.18W
12/17/2016  M12.0 INCH       GOSHEN             WY   CO-OP OBSERVER

            0.25 SWE

0700 AM     SNOW             BUFORD                  41.11N 105.30W
12/17/2016  M4.0 INCH        ALBANY             WY   CO-OP OBSERVER

            0.23 SWE.

0700 AM     SNOW             5 NE CHEYENNE           41.20N 104.72W
12/17/2016  M2.9 INCH        LARAMIE            WY   COCORAHS

            LIQUID EQUIVILENT 0.06 INCHES.

0700 AM     SNOW             20 WSW WARREN AF BASE   41.04N 105.22W
12/17/2016  M4.3 INCH        LARAMIE            WY   COCORAHS

            LIQUID EQUIVILENT 0.23 INCHES.

0700 AM     SNOW             ESE RIVERSIDE           41.21N 106.78W
12/17/2016  M3.0 INCH        CARBON             WY   COCORAHS

            LIQUID EQUIVILENT 0.47 INCHES.

0700 AM     SNOW             SW ELK MOUNTAIN         41.69N 106.41W
12/17/2016  M4.0 INCH        CARBON             WY   COCORAHS

            STORM TOTAL SNOW

0700 AM     SNOW             1 NNE CENTENNIAL        41.31N 106.10W
12/17/2016  M4.5 INCH        ALBANY             WY   COCORAHS

            LIQUID EQUIVILENT 0.37 INCHES

0745 AM     HEAVY SNOW       CHADRON                 42.83N 103.00W
12/17/2016  M8.0 INCH        DAWES              NE   BROADCAST MEDIA

0745 AM     SNOW             13 SSW MANVILLE         42.61N 104.71W
12/17/2016  E5.0 INCH        PLATTE             WY   COCORAHS

            0.26 SWE.

0830 AM     SNOW             TORRINGTON              42.07N 104.18W
12/17/2016  M4.0 INCH        GOSHEN             WY   PUBLIC

            REPORT VIA FACEBOOK.

0830 AM     SNOW             6 NE GLENDO             42.57N 104.94W
12/17/2016  E3.0 INCH        PLATTE             WY   CO-OP OBSERVER

            0.16 SWE

&&

GCLAYCOM
Local storm report, Dec 17, 10:31 AM MST, 2 hours 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
1031 AM MST SAT DEC 17 2016

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

1028 AM     HEAVY SNOW       CHUGWATER               41.76N 104.82W
12/17/2016  E7.0 INCH        PLATTE             WY   PUBLIC

            REPORT RECEIVED VIA FACEBOOK.

&&

GCLAYCOM
Local storm report, Dec 17, 10:34 AM MST, 2 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
1034 AM MST SAT DEC 17 2016

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

1033 AM     SNOW             VETERAN                 41.96N 104.35W
12/17/2016  E5.0 INCH        GOSHEN             WY   PUBLIC

            HIGHER DRIFTS. REPORT RECEIVED VIA FACEBOOK.

&&

GCLAYCOM
Local storm report, Dec 17, 11:23 AM MST, 1 hour 22 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHEYENNE WY
1123 AM MST SAT DEC 17 2016

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

1200 PM     SNOW             CHADRON                 42.83N 103.00W
12/16/2016  E4.0 INCH        DAWES              NE   BROADCAST MEDIA

1200 PM     SNOW             HARRISON                42.69N 103.88W
12/16/2016  M4.9 INCH        SIOUX              NE   CO-OP OBSERVER

1235 PM     SNOW             LUSK                    42.76N 104.45W
12/16/2016  E3.5 INCH        NIOBRARA           WY   LAW ENFORCEMENT

            3 TO 4 INCHES AND STILL SNOWING

1237 PM     SNOW             DOUGLAS                 42.76N 105.39W
12/16/2016  E1.5 INCH        CONVERSE           WY   LAW ENFORCEMENT

1239 PM     SNOW             6 S CHADRON             42.74N 103.00W
12/16/2016  M2.0 INCH        DAWES              NE   TRAINED SPOTTER

1239 PM     SNOW             LOST SPRINGS            42.77N 104.92W
12/16/2016  M2.0 INCH        CONVERSE           WY   TRAINED SPOTTER

1242 PM     SNOW             10 S CHADRON            42.68N 103.00W
12/16/2016  M3.5 INCH        DAWES              NE   PARK/FOREST SRVC

            3 TO 4 INCHES.

1245 PM     HEAVY SNOW       12 NW CHADRON           42.95N 103.17W
12/16/2016  M6.0 INCH        DAWES              NE   TRAINED SPOTTER

1250 PM     HEAVY SNOW       CRAWFORD                42.69N 103.41W
12/16/2016  E8.0 INCH        DAWES              NE   PUBLIC

0132 PM     SNOW             10 E WHEATLAND          42.05N 104.76W
12/16/2016  M4.0 INCH        PLATTE             WY   CO-OP OBSERVER

            SNOW DEPTH 4 INCHES AND IS STILL SNOWING.

0148 PM     SNOW             4 N WHEATLAND           42.11N 104.96W
12/16/2016  M5.5 INCH        PLATTE             WY   CO-OP OBSERVER

            SNOW DEPTH WAS 5.5 INCHES.

0155 PM     SNOW             WHEATLAND               42.05N 104.96W
12/16/2016  M5.0 INCH        PLATTE             WY   EMERGENCY MNGR

0345 PM     SNOW             SCOTTSBLUFF             41.87N 103.66W
12/16/2016  M2.0 INCH        SCOTTS BLUFF       NE   EMERGENCY MNGR

            STORM TOTAL SO FAR. MEASURED 1 INCH THIS MORNING AND
            ANOTHER 0.5 TO 1 INCH THIS AFTERNOON AT THE EOC.

0355 PM     HEAVY SNOW       CHADRON                 42.83N 103.00W
12/16/2016  M6.2 INCH        DAWES              NE   BROADCAST MEDIA

0445 PM     SNOW             11 N LANCE CREEK        43.18N 104.64W
12/16/2016  M3.0 INCH        NIOBRARA           WY   CO-OP OBSERVER

            SNOW DEPTH 3 INCHES AND WAS SNOWING.

0523 PM     SNOW             MEDICINE BOW            41.90N 106.20W
12/16/2016  E0.0 INCH        CARBON             WY   DEPT OF HIGHWAYS

            HIGHWAY 487 FROM MEDICINE BOW TO WY220 CLOSED DUE TO
            WINTER WEATHER CONDITIONS. OPENED AT 17/759PM.

0537 PM     SNOW             DOUGLAS                 42.76N 105.39W
12/16/2016  E0.0 INCH        CONVERSE           WY   DEPT OF HIGHWAYS

            INTERSTATE 25 BETWEEN DOUGLAS AND CASPER CLOSED DUE TO
            WINTER WEATHER CONDITIONS. OPENED AT 17/726AM.

0609 PM     SNOW             N MUDDY GAP             42.38N 107.44W
12/16/2016  E0.0 INCH        CARBON             WY   DEPT OF HIGHWAYS

            WY 287 BETWEEN RAWLINS AND MUDDY GAP CLOSED DUE TO WINTER
            WEATHER CONDITIONS. ESTIMATED OPENING TIME 17/11 AM.

0636 PM     SNOW             REDBIRD                 43.24N 104.27W
12/16/2016  M5.0 INCH        NIOBRARA           WY   CO-OP OBSERVER

            SNOW DEPTH 5 INCHES.

0648 PM     SNOW             LARAMIE                 41.31N 105.58W
12/16/2016  M2.0 INCH        ALBANY             WY   LAW ENFORCEMENT

            SNOW DEPTH 2 INCHES.

0656 PM     SNOW             DOUGLAS                 42.76N 105.39W
12/16/2016  M3.0 INCH        CONVERSE           WY   LAW ENFORCEMENT

            SNOW DEPTH 3 INCHES.

0656 PM     SNOW             LUSK                    42.76N 104.45W
12/16/2016  M4.5 INCH        NIOBRARA           WY   LAW ENFORCEMENT

            SNOW DEPTH 3.5 TO 4.5 AND IS SNOWING HARDER.

0800 PM     SNOW             WHEATLAND               42.05N 104.96W
12/16/2016  M5.0 INCH        PLATTE             WY   PUBLIC

0820 PM     EXTR WIND CHILL  8 S CHUGWATER           41.64N 104.82W
12/16/2016  M-20.00 F        LARAMIE            WY   DEPT OF HIGHWAYS

0820 PM     EXTR WIND CHILL  3 NW ARLINGTON          41.62N 106.25W
12/16/2016  M-23.00 F        CARBON             WY   DEPT OF HIGHWAYS

0820 PM     EXTR WIND CHILL  9 S WHEATLAND           41.92N 104.96W
12/16/2016  M-22.00 F        PLATTE             WY   DEPT OF HIGHWAYS

0821 PM     EXTREME COLD     13 S GLENDO             42.32N 105.03W
12/16/2016  M-23.00 F        PLATTE             WY   DEPT OF HIGHWAYS

0827 PM     EXTR WIND CHILL  VEDAUWOO                41.15N 105.40W
12/16/2016  M-23.00 F        ALBANY             WY   EMERGENCY MNGR

0841 PM     EXTR WIND CHILL  15 E SINCLAIR           41.78N 106.83W
12/16/2016  M-23.00 F        CARBON             WY   DEPT OF HIGHWAYS

            THIS IS WYDOT SITE WALCOTT JUNCTION.

0845 PM     EXTR WIND CHILL  2 NW SHIRLEY BASIN      42.37N 106.24W
12/16/2016  M32.00 F         CARBON             WY   DEPT OF HIGHWAYS

            THIS IS WYDOT SITE SHIRLEY RIM.

0846 PM     EXTR WIND CHILL  13 S GLENDO             42.32N 105.03W
12/16/2016  M-25.00 F        PLATTE             WY   DEPT OF HIGHWAYS

0850 PM     EXTR WIND CHILL  2 NW SHIRLEY BASIN      42.37N 106.24W
12/16/2016  M-33.00 F        CARBON             WY   DEPT OF HIGHWAYS

            THIS IS WYDOT SITE SHIRLEY RIM.

0852 PM     EXTR WIND CHILL  ESTERBROOK              42.41N 105.36W
12/16/2016  M-30.00 F        CONVERSE           WY   MESONET

0855 PM     EXTR WIND CHILL  8 S CHUGWATER           41.64N 104.82W
12/16/2016  M-26.00 F        LARAMIE            WY   DEPT OF HIGHWAYS

0855 PM     EXTR WIND CHILL  WHITAKER                41.41N 104.87W
12/16/2016  E-24.00 F        LARAMIE            WY   DEPT OF HIGHWAYS

1000 PM     HEAVY SNOW       CHADRON                 42.83N 103.00W
12/16/2016  M7.5 INCH        DAWES              NE   BROADCAST MEDIA

            STORM TOTAL SNOWFALL.

0200 AM     HEAVY SNOW       12 WNW CENTENNIAL       41.37N 106.32W
12/17/2016  E36.0 INCH       ALBANY             WY   PARK/FOREST SRVC

            NORTH FRENCH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION
            10130 FEET. SNOW WATER EQUIVALENT IS 2.4 INCHES AND THE
            SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS
            OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       28 E SAVERY             41.02N 106.91W
12/17/2016  E13.2 INCH       CARBON             WY   PARK/FOREST SRVC

            WHISKEY PARK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION
            8950 FEET. SNOW WATER EQUIVALENT IS 1.1 INCHES AND THE
            SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS
            OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       8 ENE HOG PARK CAMPGROU 41.06N 106.71W
12/17/2016  E30.0 INCH       CARBON             WY   PARK/FOREST SRVC

            BLACKHALL MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE.
            ELEVATION 9820 FEET. SNOW WATER EQUIVALENT IS 2.0 INCHES
            AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1.
            ACCUMULATION WAS OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       17 ENE RIVERSIDE        41.31N 106.48W
12/17/2016  E15.0 INCH       CARBON             WY   PARK/FOREST SRVC

            SOUTH BRUSH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION
            8440 FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE
            SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS
            OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       7 NW CENTENNIAL         41.37N 106.21W
12/17/2016  E19.5 INCH       ALBANY             WY   PARK/FOREST SRVC

            BROOKLYN LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10240
            FEET. SNOW WATER EQUIVALENT IS 1.3 INCHES AND THE SNOW TO
            LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST
            27 HOURS.

0200 AM     HEAVY SNOW       6 SW CENTENNIAL         41.24N 106.19W
12/17/2016  E15.0 INCH       ALBANY             WY   PARK/FOREST SRVC

            CINNABAR PARK SNOTEL IN THE SNOWY RANGE. ELEVATION 9574
            FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE SNOW TO
            LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST
            27 HOURS.

0200 AM     HEAVY SNOW       21 SSE ELK MOUNTAIN     41.41N 106.26W
12/17/2016  E21.0 INCH       CARBON             WY   PARK/FOREST SRVC

            MEDICINE BOW SNOTEL IN THE SNOWY RANGE. ELEVATION 10500
            FEET. SNOW WATER EQUIVALENT IS 1.4 INCHES AND THE SNOW TO
            LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST
            27 HOURS.

0200 AM     HEAVY SNOW       17 SW ENCAMPMENT        41.03N 107.03W
12/17/2016  E18.0 INCH       CARBON             WY   PARK/FOREST SRVC

            SANDSTONE RANGER STATION SNOTEL IN THE SIERRA MADRE
            RANGE. ELEVATION 8150 FEET. SNOW WATER EQUIVALENT IS 1.2
            INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1.
            ACCUMULATION WAS OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       10 SW ENCAMPMENT        41.11N 106.93W
12/17/2016  E36.0 INCH       CARBON             WY   PARK/FOREST SRVC

            LITTLE SNAKE RIVER SNOTEL IN THE SIERRA MADRE RANGE.
            ELEVATION 8915 FEET. SNOW WATER EQUIVALENT IS 3.0 INCHES
            AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1.
            ACCUMULATION WAS OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       5 SW ENCAMPMENT         41.16N 106.86W
12/17/2016  E26.4 INCH       CARBON             WY   PARK/FOREST SRVC

            WEBBER SPRINGS SNOTEL IN THE SIERRA MADRE RANGE.
            ELEVATION 9250 FEET. SNOW WATER EQUIVALENT IS 2.2 INCHES
            AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1.
            ACCUMULATION WAS OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       10 WSW ENCAMPMENT       41.15N 106.97W
12/17/2016  E30.0 INCH       CARBON             WY   PARK/FOREST SRVC

            OLD BATTLE SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION
            10000 FEET. SNOW WATER EQUIVALENT IS 2.5 INCHES AND THE
            SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS
            OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       19 WSW ENCAMPMENT       41.10N 107.13W
12/17/2016  E19.5 INCH       CARBON             WY   PARK/FOREST SRVC

            DIVIDE PEAK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION
            8880 FEET. SNOW WATER EQUIVALENT IS 1.3 INCHES AND THE
            SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS
            OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       30 WNW LARAMIE          41.48N 106.12W
12/17/2016  E16.5 INCH       CARBON             WY   PARK/FOREST SRVC

            SAND LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10050
            FEET. SNOW WATER EQUIVALENT IS 1.1 INCHES AND THE SNOW TO
            LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST
            27 HOURS.

0200 AM     HEAVY SNOW       35 S RAWLINS            41.28N 107.23W
12/17/2016  E12.0 INCH       CARBON             WY   PARK/FOREST SRVC

            SAGE CREEK BASIN SNOTEL IN THE SIERRA MADRE RANGE.
            ELEVATION 7850 FEET. SNOW WATER EQUIVALENT IS 0.8 INCHES
            AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1.
            ACCUMULATION WAS OVER PAST 27 HOURS.

0200 AM     HEAVY SNOW       12 SW ESTERBROOK        42.29N 105.53W
12/17/2016  E18.0 INCH       CONVERSE           WY   PARK/FOREST SRVC

            WINDY PEAK SNOTEL. ELEVATION 7900 FEET. SWE 1.2 INCHES
            OVER PAST 27 HOURS. 15 TO 1 RATIO USED.

0200 AM     HEAVY SNOW       38 SW DOUGLAS           42.37N 105.92W
12/17/2016  E18.0 INCH       ALBANY             WY   PARK/FOREST SRVC

            LAPRELE CREEK SNOTEL. ELEVATION 8375 FEET. SWE 1.2 INCHES
            OVER PAST 27 HOURS. 15 TO 1 RATIO USED.

0600 AM     HEAVY SNOW       2 NW FORT LARAMIE       42.23N 104.54W
12/17/2016  E6.0 INCH        GOSHEN             WY   COCORAHS

            0.34 SWE

0600 AM     HEAVY SNOW       SHIRLEY BASIN           42.35N 106.21W
12/17/2016  M7.0 INCH        CARBON             WY   CO-OP OBSERVER

            0.09 SWE.

0700 AM     SNOW             ALLIANCE                42.10N 102.87W
12/17/2016  E5.0 INCH        BOX BUTTE          NE   LAW ENFORCEMENT

            4-5 INCHES WITH LARGER DRIFTS.

0700 AM     HEAVY SNOW       WHEATLAND               42.05N 104.96W
12/17/2016  E6.0 INCH        PLATTE             WY   LAW ENFORCEMENT

            LARGER DRIFTS. SEMI ACCIDENT ON I-25 NEAR MILE MARKER 100
            AT 7AM THIS MORNING.

0700 AM     HEAVY SNOW       29 N TORRINGTON         42.49N 104.18W
12/17/2016  M12.0 INCH       GOSHEN             WY   CO-OP OBSERVER

            0.25 SWE

0700 AM     SNOW             BUFORD                  41.11N 105.30W
12/17/2016  M4.0 INCH        ALBANY             WY   CO-OP OBSERVER

            0.23 SWE.

0700 AM     SNOW             5 NE CHEYENNE           41.20N 104.72W
12/17/2016  M2.9 INCH        LARAMIE            WY   COCORAHS

            LIQUID EQUIVILENT 0.06 INCHES.

0700 AM     SNOW             20 WSW WARREN AF BASE   41.04N 105.22W
12/17/2016  M4.3 INCH        LARAMIE            WY   COCORAHS

            LIQUID EQUIVILENT 0.23 INCHES.

0700 AM     HEAVY SNOW       20 SW WHEATLAND         41.85N 105.23W
12/17/2016  M7.8 INCH        PLATTE             WY   COCORAHS

0700 AM     SNOW             1 NNE CENTENNIAL        41.31N 106.10W
12/17/2016  M4.5 INCH        ALBANY             WY   COCORAHS

            LIQUID EQUIVILENT 0.37 INCHES

0700 AM     HEAVY SNOW       HARRISON                42.69N 103.88W
12/17/2016  M9.0 INCH        SIOUX              NE   CO-OP OBSERVER

            0.25 SWE.

0700 AM     SNOW             LUSK                    42.76N 104.45W
12/17/2016  E4.0 INCH        NIOBRARA           WY   LAW ENFORCEMENT

            3-4 INCHES WITH LARGER DRIFTS.

0700 AM     SNOW             ESE RIVERSIDE           41.21N 106.78W
12/17/2016  M3.0 INCH        CARBON             WY   COCORAHS

            LIQUID EQUIVILENT 0.47 INCHES.

0700 AM     SNOW             SW ELK MOUNTAIN         41.69N 106.41W
12/17/2016  M4.0 INCH        CARBON             WY   COCORAHS

            STORM TOTAL SNOW

0745 AM     SNOW             13 SSW MANVILLE         42.61N 104.71W
12/17/2016  E5.0 INCH        PLATTE             WY   COCORAHS

            0.26 SWE.

0745 AM     HEAVY SNOW       CHADRON                 42.83N 103.00W
12/17/2016  M8.0 INCH        DAWES              NE   BROADCAST MEDIA

0800 AM     HEAVY SNOW       12 SSW GLENDO           42.34N 105.11W
12/17/2016  M7.8 INCH        PLATTE             WY   COCORAHS

0800 AM     HEAVY SNOW       11 NNE LANCE CREEK      43.17N 104.56W
12/17/2016  M6.0 INCH        NIOBRARA           WY   CO-OP OBSERVER

0830 AM     SNOW             6 NE GLENDO             42.57N 104.94W
12/17/2016  E3.0 INCH        PLATTE             WY   CO-OP OBSERVER

            0.16 SWE

0830 AM     SNOW             TORRINGTON              42.07N 104.18W
12/17/2016  M4.0 INCH        GOSHEN             WY   PUBLIC

            REPORT VIA FACEBOOK.

1028 AM     HEAVY SNOW       CHUGWATER               41.76N 104.82W
12/17/2016  E7.0 INCH        PLATTE             WY   PUBLIC

            REPORT RECEIVED VIA FACEBOOK.

1033 AM     SNOW             VETERAN                 41.96N 104.35W
12/17/2016  E5.0 INCH        GOSHEN             WY   PUBLIC

            HIGHER DRIFTS. REPORT RECEIVED VIA FACEBOOK.

&&

KC

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 16, 5:36 PM MSTSpecial Weather StatementCYSAlbany24 min
Dec 16, 5:40 PM MSTSpecial Weather StatementCYSAlbany20 min
Dec 16, 5:59 PM MSTSpecial Weather StatementCYSAlbany31 min
Dec 17, 12:45 PM MSTWind Chill WarningCYSAlbany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more20 hr
Dec 17, 12:46 PM MSTHigh Wind WatchCYSAlbany, Carbon, Laramie, Platte25 hr

Nearby

Wind Chill Advisories in Wyoming, 2016Every wind chill advisory in 2016

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.