Winter Weather in Wyoming, November 20 to 21, 2017

Name: Winter Weather in Wyoming, November 20 to 21, 2017
Start: 2017-11-20T23:00
End: 2017-11-21T08:00
Location: Wyoming

November 20 to 21, 2017 · NWS CYS · 4 events in 1 county or zone

A quick moving low pressure system brought wind gusts to 35 mph and moderate snowfall to the Snowy mountains. Total snow accumulations ranged from five to ten inches.

Where it happened

Every event with a place to put it; 4 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 4

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS CYS wrote it up.

A quick moving low pressure system brought wind gusts to 35 mph and moderate snowfall to the Snowy mountains. Total snow accumulations ranged from five to ten inches.

What forecasters said that day

The local office's own words before the first event, 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 the first event at Nov 20, 10:49 PM MST, 11 minutes earlier.

Area forecast discussion, Nov 20, 10:49 PM MST, 11 minutes before

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Hazardous weather outlook, Nov 20, 10:47 AM MST, 12 hours 13 minutes before

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In the hours before

Local storm report, Nov 20, 6:54 PM MST, 4 hours 6 minutes before

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Local storm report, Nov 20, 7:27 PM MST, 3 hours 33 minutes before

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Local storm report, Nov 20, 8:58 PM MST, 2 hours 2 minutes before

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Local storm report, Nov 20, 10:05 PM MST, 55 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHEYENNE WY
1005 PM MST MON NOV 20 2017

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

1010 PM     NON-TSTM WND GST 7 NW ELK MOUNTAIN       41.76N 106.51W
11/19/2017  M54.00 MPH       CARBON             WY   DEPT OF HIGHWAYS

            43 MPH SUSTAINED

1011 PM     NON-TSTM WND GST ARLINGTON               41.59N 106.21W
11/19/2017  M54.00 MPH       CARBON             WY   DEPT OF HIGHWAYS

            42 MPH SUSTAINED

1015 PM     NON-TSTM WND GST ARLINGTON               41.59N 106.21W
11/19/2017  M58.00 MPH       CARBON             WY   DEPT OF HIGHWAYS

            SUSTAINED WIND 45 MPH.

1020 PM     NON-TSTM WND GST 1 NNW ARLINGTON         41.60N 106.21W
11/19/2017  M58.00 MPH       CARBON             WY   DEPT OF HIGHWAYS

            42 MPH SUSTAINED

1150 PM     NON-TSTM WND GST 2 WNW BUFORD            41.13N 105.34W
11/19/2017  M62.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

            LONE TREE WYDOT SITE ON I-80. SUSTAINED WINDS 45 MPH.

1210 AM     NON-TSTM WND GST 1 ENE BUFORD            41.12N 105.28W
11/20/2017  M61.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

            BUFORD EAST WYDOT SITE ON I-80. SUSTAINED WINDS 47 MPH.

1230 AM     NON-TSTM WND GST 12 ENE NORTH FORK CAMPG 41.44N 105.96W
11/20/2017  M66.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

            QUEALY DOME WYDOT SITE ON I-80. SUSTAINED WINDS 35 MPH.

0125 AM     NON-TSTM WND GST 1 ENE BUFORD            41.12N 105.28W
11/20/2017  M59.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

            BUFORD EAST WYDOT SITE ON I-80.

0140 AM     NON-TSTM WND GST 4 S CRYSTAL LAKE CAMPGR 41.10N 105.21W
11/20/2017  M58.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            REMOUNT WYDOT SITE ON I-80 WEST OF CHEYENNE. SUSTAINED
            WINDS 46 MPH.

0150 AM     HIGH SUST WINDS  BORDEAUX                41.95N 104.95W
11/20/2017  M40.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            SUSTAINED WINDS 40 MPH OR GREATER FOR OVER 1 HOUR. PEAK
            GUST 57 MPH AT 150 AM.

0150 AM     HIGH SUST WINDS  7 NW ELK MOUNTAIN       41.75N 106.51W
11/20/2017  M41.00 MPH       CARBON             WY   DEPT OF HIGHWAYS

            HALLECK RIDGE WYDOT SITE ON I-80. SUSTAINED WINDS 40 MPH
            OR GREATER FOR OVER PAST HOUR. PEAK GUST 53 MPH.

0150 AM     NON-TSTM WND GST 4 W MUDDY GAP           42.38N 107.52W
11/20/2017  M70.00 MPH       CARBON             WY   MESONET

            CAMP CREEK RAWS

0153 AM     NON-TSTM WND GST 11 SSE HARRIS PARK      42.20N 105.21W
11/20/2017  M59.00 MPH       PLATTE             WY   MESONET

            CWOP SITE E8763.

0200 AM     NON-TSTM WND GST 2 NE GRANITE SPRINGS RE 41.19N 105.20W
11/20/2017  M58.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WILDCAT TRAIL WYDOT SITE.

0225 AM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
11/20/2017  M60.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            SUSTAINED AT 49 MPH.

0230 AM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
11/20/2017  M65.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            SUSTAINED AT 49 MPH.

0315 AM     NON-TSTM WND GST 10 WSW CHEYENNE         41.11N 104.97W
11/20/2017  M59.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            MILE POST 353 WYDOT SITE ON I-80. SUSTAINED WINDS 48 MPH.

0323 AM     NON-TSTM WND GST 11 SSE HARRIS PARK      42.20N 105.21W
11/20/2017  M61.00 MPH       PLATTE             WY   MESONET

            WHEATLAND CWOP SITE E8763.

0400 AM     NON-TSTM WND GST 1 ENE BUFORD            41.12N 105.28W
11/20/2017  M62.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

            BUFORD EAST WYDOT SITE ON I-80. SUSTAINED WINDS 49 MPH.

0405 AM     NON-TSTM WND GST 2 NE GRANITE SPRINGS RE 41.19N 105.20W
11/20/2017  M65.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WILDCAT TRAIL WYDOT SITE ON I-80. SUSTAINED WINDS 46 MPH.

0405 AM     NON-TSTM WND GST 4 S CRYSTAL LAKE CAMPGR 41.10N 105.21W
11/20/2017  M58.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            REMOUNT WYDOT SITE WEST OF CHEYENNE ON I-80. SUSTAINED
            WINDS 48 MPH.

0405 AM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
11/20/2017  M61.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            SUSTAINED WINDS 47 MPH.

0440 AM     NON-TSTM WND GST 2 NE GRANITE SPRINGS RE 41.19N 105.20W
11/20/2017  M70.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WILDCAT TRAIL WYDOT SITE ON I-80 WEST OF CHEYENNE.
            SUSTAINED WINDS 49 MPH.

0440 AM     NON-TSTM WND GST 11 SE ARLINGTON         41.50N 106.05W
11/20/2017  M63.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

            STROUSS HILL WYDOT SITE ON I-80. SUSTAINED WINDS 35 MPH.

0450 AM     NON-TSTM WND GST 3 WSW WINCHESTER HILLS  41.05N 104.89W
11/20/2017  M60.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WYO HILL ON I-25 MILE MARKER 4 SOUTH OF CHEYENNE.
            SUSTAINED WINDS 38 MPH.

0458 AM     NON-TSTM WND GST 18 WNW CHEYENNE         41.24N 105.11W
11/20/2017  M70.00 MPH       LARAMIE            WY   TRAINED SPOTTER

0515 AM     NON-TSTM WND GST 1 WNW SEMINOE DAM       42.16N 106.91W
11/20/2017  M65.00 MPH       CARBON             WY   MESONET

0533 AM     NON-TSTM WND GST WARREN AF BASE          41.15N 104.86W
11/20/2017  M65.00 MPH       LARAMIE            WY   OTHER FEDERAL

0540 AM     NON-TSTM WND GST 3 WSW WINCHESTER HILLS  41.05N 104.89W
11/20/2017  M65.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WYO HILL ON I-25 MILE MARKER 4 SOUTH OF CHEYENNE.
            SUSTAINED AT 47 MPH.

0540 AM     NON-TSTM WND GST 7 NW ELK MOUNTAIN       41.75N 106.51W
11/20/2017  M59.00 MPH       CARBON             WY   DEPT OF HIGHWAYS

            HALLECK RIDGE WYDOT SITE. SUSTAINED AT 45 MPH.

0545 AM     NON-TSTM WND GST 8 ESE CRYSTAL LAKE CAMP 41.10N 105.07W
11/20/2017  M65.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            OTTO WYDOT SITE ON I-80. SUSTAINED WINDS 50 MPH.

0550 AM     NON-TSTM WND GST 7 ESE ARLINGTON         41.55N 106.09W
11/20/2017  M58.00 MPH       CARBON             WY   DEPT OF HIGHWAYS

            COOPER COVE WYDOT SITE. SUSTAINED WINDS 40 MPH.

0555 AM     NON-TSTM WND GST 2 NE GRANITE SPRINGS RE 41.19N 105.20W
11/20/2017  M67.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WILDCAT TRAIL WYDOT SITE. SUSTAINED AT 46 MPH.

0737 AM     NON-TSTM WND GST 10 WSW CHEYENNE         41.09N 104.97W
11/20/2017  M65.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WYDOT SITE AT MILE MARKER 353 ALONG INTERSTATE 80.
            SUSTAINED WINDS 50 MPH.

0758 AM     NON-TSTM WND GST 7 NE BUFORD             41.18N 105.20W
11/20/2017  M62.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WILDCAT TRAIL WYDOT SITE.

0805 AM     NON-TSTM WND GST 16 WSW CHEYENNE         41.06N 105.08W
11/20/2017  M68.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            OTTO ROAD WYDOT SENSOR. SUSTAINED WINDS 50 TO 55 MPH.

0808 AM     NON-TSTM WND GST 15 NNE CENTENNIAL       41.50N 106.00W
11/20/2017  M65.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

            STROUSS HILL WYDOT SITE. SUSTAINED WINDS BETWEEN 35 TO 40
            MPH.

0815 AM     NON-TSTM WND GST 13 WNW LARAMIE          41.38N 105.81W
11/20/2017  M60.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

            HERRICK LANE WYDOT SENSOR

0825 AM     NON-TSTM WND GST 10 WSW CHEYENNE         41.09N 104.97W
11/20/2017  M71.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WYDOT SITE AT MILE MARKER 353 ALONG INTERSTATE 80.
            SUSTAINED WINDS 56 MPH.

0825 AM     NON-TSTM WND GST 13 S GLENDO             42.32N 105.03W
11/20/2017  M59.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            COLEMAN WYDOT SITE. SUSTAINED WINDS BETWEEN 35 TO 40 MPH.

0845 AM     NON-TSTM WND GST 16 E HORSE CREEK        41.41N 104.87W
11/20/2017  M60.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WHITAKER WYDOT SITE ON INTERSTATE 25

0901 AM     NON-TSTM WND GST 16 WSW CHEYENNE         41.06N 105.08W
11/20/2017  M75.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            OTTO ROAD ALONG INTERSTATE 80. SUSTAINED WINDS OF 60 TO
            65 MPH.

0905 AM     NON-TSTM WND GST 9 E CHEYENNE            41.15N 104.62W
11/20/2017  M62.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WYDOT SITE AT MILE MARKER 373 EAST OF CHEYENNE. SUSTAINED
            WINDS 45 TO 50 MPH.

0910 AM     NON-TSTM WND GST 7 ESE ARLINGTON         41.55N 106.08W
11/20/2017  M63.00 MPH       CARBON             WY   DEPT OF HIGHWAYS

            COOPER COVE WYDOT SITE. SUSTAINED WINDS OF 45 TO 50 MPH.

0920 AM     NON-TSTM WND GST 7 NE BUFORD             41.18N 105.20W
11/20/2017  M70.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WILDCAT TRAIL WYDOT SENSOR. SUSTAINED WINDS OF 45 TO 50
            MPH.

0925 AM     NON-TSTM WND GST 8 S CHUGWATER           41.64N 104.82W
11/20/2017  M65.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            BEAR CREEK WYDOT SENSOR. SUSTAINED WINDS 40 TO 45 MPH.

0930 AM     NON-TSTM WND GST 14 NE CENTENNIAL        41.44N 105.92W
11/20/2017  M65.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

            QUEALY DOME BY LARAMIE WYDOT SITE. SUSTAINED WINDS OF 50
            MPH.

0930 AM     NON-TSTM WND GST 2 W BUFORD              41.11N 105.34W
11/20/2017  E58.00 MPH       ALBANY             WY   MESONET

            BUFORW UPR SITE.

0945 AM     NON-TSTM WND GST 5 WSW CHEYENNE          41.12N 104.88W
11/20/2017  M63.00 MPH       LARAMIE            WY   AWOS

            FE WARREN AIRFORCE BASE

0945 AM     NON-TSTM WND GST 10 SW CHEYENNE          41.04N 104.93W
11/20/2017  M75.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WYO HILL WYDOT SENSOR ALONG INTERSTATE 25 NEAR THE
            COLORADO BORDER.

0955 AM     NON-TSTM WND GST 1 ESE BUFORD            41.10N 105.28W
11/20/2017  M60.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

            BUFORD EAST WYDOT SITE.

1000 AM     NON-TSTM WND GST 8 S CHUGWATER           41.64N 104.82W
11/20/2017  M68.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            BEAR CREEK WYDOT SITE.

1010 AM     NON-TSTM WND GST 7 ESE ARLINGTON         41.55N 106.08W
11/20/2017  M61.00 MPH       CARBON             WY   DEPT OF HIGHWAYS

            COOPER COVE WYDOT SITE.

1010 AM     NON-TSTM WND GST 14 NE CENTENNIAL        41.44N 105.92W
11/20/2017  M75.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

            QUEALY DOME WYDOT SITE.

1010 AM     NON-TSTM WND GST 16 WSW CHEYENNE         41.06N 105.08W
11/20/2017  M74.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            OTTO ROAD WYDOT SITE.

1010 AM     NON-TSTM WND GST 7 NE BUFORD             41.18N 105.20W
11/20/2017  M68.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WILDCAT TRAIL WYDOT SITE.

1010 AM     NON-TSTM WND GST 13 S GLENDO             42.32N 105.03W
11/20/2017  M58.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            COLEMAN WYDOT SITE.

1015 AM     NON-TSTM WND GST 10 SW CHEYENNE          41.04N 104.93W
11/20/2017  M76.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WYO HILL WYDOT SITE.

1020 AM     NON-TSTM WND GST 15 NNE CENTENNIAL       41.50N 106.00W
11/20/2017  M65.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

            STROUSS HILL WYDOT SITE.

1020 AM     NON-TSTM WND GST CHEYENNE                41.15N 104.79W
11/20/2017  M64.00 MPH       LARAMIE            WY   ASOS

            CHEYENNE AIRPORT ASOS.

1020 AM     NON-TSTM WND GST 23 W CHEYENNE           41.14N 105.23W
11/20/2017  M60.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            REMOUNT ROAD WYDOT SITE.

1023 AM     NON-TSTM WND GST 16 NW WHEATLAND         42.21N 105.18W
11/20/2017  E63.00 MPH       PLATTE             WY   MESONET

            EW8763 WHEATLAND CWOP SITE.

1025 AM     NON-TSTM WND GST 10 WSW CHEYENNE         41.11N 104.97W
11/20/2017  M79.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

1025 AM     NON-TSTM WND GST 6 S DOUGLAS             42.67N 105.39W
11/20/2017  E60.00 MPH       CONVERSE           WY   MESONET

            EW6313 DOUGLAS CWOP SITE

1025 AM     NON-TSTM WND GST 14 WSW CHEYENNE         41.07N 105.04W
11/20/2017  E87.00 MPH       LARAMIE            WY   MESONET

            EMKAY UPR SITE.

1025 AM     NON-TSTM WND GST 10 WSW CHEYENNE         41.09N 104.97W
11/20/2017  M79.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            MP 353.0 WYDOT SITE.

1039 AM     NON-TSTM WND GST 5 WSW CHEYENNE          41.12N 104.88W
11/20/2017  M62.00 MPH       LARAMIE            WY   AWOS

            F.E. WARREN AIR FORCE BASE AWOS.

1042 AM     NON-TSTM WND GST 5 WNW WHEATLAND         42.08N 105.05W
11/20/2017  E66.00 MPH       PLATTE             WY   MESONET

            EW8882 WHEATLAND CWOP SITE.

1045 AM     NON-TSTM WND GST 10 SW CHEYENNE          41.04N 104.93W
11/20/2017  E72.00 MPH       LARAMIE            WY   MESONET

            SPEER3 UPR SITE.

1050 AM     NON-TSTM WND GST 1 ESE BUFORD            41.10N 105.28W
11/20/2017  M58.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

            BUFORD EAST WYDOT SITE.

1050 AM     NON-TSTM WND GST 16 E HORSE CREEK        41.41N 104.87W
11/20/2017  M65.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WHITAKER WYDOT SITE.

1100 AM     NON-TSTM WND GST 9 S WHEATLAND           41.92N 104.96W
11/20/2017  M63.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            BORDEAUX WYDOT SITE.

1100 AM     NON-TSTM WND GST 10 SW CHEYENNE          41.04N 104.93W
11/20/2017  M75.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WYO HILL WYDOT SITE.

1125 AM     NON-TSTM WND GST 16 E HORSE CREEK        41.41N 104.87W
11/20/2017  M63.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WHITAKER WYDOT SITE.

1128 AM     NON-TSTM WND GST 5 WSW CHEYENNE          41.12N 104.88W
11/20/2017  M74.00 MPH       LARAMIE            WY   AWOS

            F.E. WARREN AIR FORCE BASE AWOS.

1130 AM     NON-TSTM WND GST 13 S GLENDO             42.32N 105.03W
11/20/2017  M63.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            COLEMAN WYDOT SITE.

1130 AM     NON-TSTM WND GST 10 WSW CHEYENNE         41.09N 104.97W
11/20/2017  M76.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            MP 353.0 WYDOT SITE.

1135 AM     NON-TSTM WND GST 7 NE BUFORD             41.18N 105.20W
11/20/2017  M66.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WILDCAT TRAIL WYDOT SITE.

1135 AM     NON-TSTM WND GST 1 ESE BUFORD            41.10N 105.28W
11/20/2017  M62.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

            BUFORD EAST WYDOT SITE.

1138 AM     HIGH SUST WINDS  16 E HORSE CREEK        41.41N 104.87W
11/20/2017  M44.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            SUSTAINED WINDS OF 44-53 MPH WITH GUSTS OF 54-65 MPH AT
            THE WHITAKER WYDOT SITE FROM 1000 AM MST TO 1135 AM MST.
            TAKEN FROM 5 MINUTE OBSERVATION DATA.

1140 AM     NON-TSTM WND GST 7 SSW MERIDEN REST AREA 41.44N 104.37W
11/20/2017  M70.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            GUN BARREL WYDOT SITE.

1140 AM     NON-TSTM WND GST 14 NE CENTENNIAL        41.44N 105.92W
11/20/2017  M66.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

            QUEALY DOME WYDOT SITE.

1140 AM     NON-TSTM WND GST 23 W CHEYENNE           41.14N 105.23W
11/20/2017  M63.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            REMOUNT ROAD WYDOT SITE.

1150 AM     NON-TSTM WND GST 16 WSW CHEYENNE         41.06N 105.08W
11/20/2017  M73.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            OTTO ROAD WYDOT SITE.

1155 AM     NON-TSTM WND GST 2 W BUFORD              41.11N 105.34W
11/20/2017  E60.00 MPH       ALBANY             WY   MESONET

            BUFORW UPR SITE.

1155 AM     NON-TSTM WND GST 14 WSW CHEYENNE         41.07N 105.04W
11/20/2017  E92.00 MPH       LARAMIE            WY   MESONET

            EMKAY UPR SITE.

1155 AM     NON-TSTM WND GST 8 S CHUGWATER           41.64N 104.82W
11/20/2017  M60.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            BEAR CREEK WYDOT SITE.

1155 AM     NON-TSTM WND GST 10 SW CHEYENNE          41.04N 104.93W
11/20/2017  E73.00 MPH       LARAMIE            WY   MESONET

            SPEER3 UPR SITE.

1200 PM     NON-TSTM WND GST 5 WSW CHEYENNE          41.12N 104.88W
11/20/2017  M59.00 MPH       LARAMIE            WY   AWOS

            F.E. WARREN AIR FORCE BASE AWOS.

1200 PM     NON-TSTM WND GST 10 WSW CHEYENNE         41.09N 104.97W
11/20/2017  M78.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            MP 353.0 WYDOT SITE.

1200 PM     NON-TSTM WND GST 14 NE CENTENNIAL        41.44N 105.92W
11/20/2017  M62.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

            QUEALY DOME WYDOT SITE.

1205 PM     NON-TSTM WND GST 7 NE BUFORD             41.18N 105.20W
11/20/2017  M68.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WILDCAT TRAIL WYDOT SITE.

1210 PM     NON-TSTM WND GST 13 S GLENDO             42.32N 105.03W
11/20/2017  M58.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            COLEMAN WYDOT SITE.

1211 PM     NON-TSTM WND GST TORRINGTON              42.07N 104.18W
11/20/2017  M58.00 MPH       GOSHEN             WY   ASOS

            TORRINGTON AIRPORT ASOS.

1215 PM     HIGH SUST WINDS  13 S GLENDO             42.32N 105.03W
11/20/2017  M40.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

            SUSTAINED WINDS OF 40-48 MPH WITH GUSTS OF 54-63 MPH AT
            THE COLEMAN WYDOT SITE FROM 1115 AM MST TO 1215 PM MST.
            TAKEN FROM 5 MINUTE OBSERVATION DATA.

1215 PM     NON-TSTM WND GST 2 W BUFORD              41.11N 105.34W
11/20/2017  E60.00 MPH       ALBANY             WY   MESONET

            BUFORW UPR SITE.

1215 PM     NON-TSTM WND GST 2 W BUFORD              41.11N 105.34W
11/20/2017  M58.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

            LONE TREE WYDOT SITE.

1220 PM     NON-TSTM WND GST 16 WSW CHEYENNE         41.06N 105.08W
11/20/2017  M73.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            OTTO ROAD WYDOT SITE.

1220 PM     NON-TSTM WND GST 7 SSW MERIDEN REST AREA 41.44N 104.37W
11/20/2017  M68.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            GUN BARREL WYDOT SITE.

1225 PM     HIGH SUST WINDS  23 W CHEYENNE           41.14N 105.23W
11/20/2017  M40.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            SUSTAINED WIND OF 42-54 MPH WITH GUSTS OF 61-68 MPH AT
            WILDCAT TRAIL WYDOT SITE FROM 1120 AM MST TO 1225 PM MST.
            TAKEN FROM 5 MINUTE OBSERVATION DATA.

1230 PM     NON-TSTM WND GST 1 ESE BUFORD            41.10N 105.28W
11/20/2017  M62.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

            BUFORD EAST WYDOT SITE.

1230 PM     NON-TSTM WND GST 10 SW CHEYENNE          41.04N 104.93W
11/20/2017  M78.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            WYO HILL WYDOT SITE.

1230 PM     NON-TSTM WND GST 10 SW CHEYENNE          41.04N 104.93W
11/20/2017  E80.00 MPH       LARAMIE            WY   MESONET

            SPEER3 UPR SITE.

1230 PM     NON-TSTM WND GST 23 W CHEYENNE           41.14N 105.23W
11/20/2017  M62.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            REMOUNT ROAD WYDOT SITE.

1245 PM     NON-TSTM WND GST 14 WSW CHEYENNE         41.07N 105.04W
11/20/2017  E91.00 MPH       LARAMIE            WY   MESONET

            EMKAY UPR SITE.

1255 PM     NON-TSTM WND GST 8 S CHUGWATER           41.64N 104.82W
11/20/2017  M67.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            BEAR CREEK WYDOT SITE.

0115 PM     HIGH SUST WINDS  8 S CHUGWATER           41.64N 104.82W
11/20/2017  M42.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            SUSTAINED WINDS OF 42-53 MPH WITH GUSTS OF 55-67 MPH AT
            THE BEAR CREEK WYDOT SITE FROM 1150 AM MST TO 115 PM MST.
            TAKEN FROM 5 MINUTE OBSERVATION DATA.

0125 PM     HIGH SUST WINDS  7 SSW MERIDEN REST AREA 41.44N 104.37W
11/20/2017  M40.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

            SUSTAINED WINDS OF 40-55 MPH WITH GUSTS OF 53-70 MPH AT
            THE GUN BARREL WYDOT SITE FROM 1110 AM MST TO 125 PM MST.
            TAKEN FROM 5 MINUTE OBSERVATION DATA.

0246 PM     NON-TSTM WND GST 1 ESE BUFORD            41.10N 105.28W
11/20/2017  M61.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

0255 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
11/20/2017  E52.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

0255 PM     NON-TSTM WND GST 3 NW ARLINGTON          41.62N 106.25W
11/20/2017  M51.00 MPH       CARBON             WY   DEPT OF HIGHWAYS

0256 PM     NON-TSTM WND GST 2 W BUFORD              41.11N 105.34W
11/20/2017  E52.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

0257 PM     NON-TSTM WND GST 7 ESE ARCHER EXIT       41.12N 104.53W
11/20/2017  M58.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

0258 PM     NON-TSTM WND GST WARREN AF BASE          41.15N 104.86W
11/20/2017  M56.00 MPH       LARAMIE            WY   OTHER FEDERAL

0300 PM     NON-TSTM WND GST 16 WSW CHEYENNE         41.06N 105.08W
11/20/2017  M60.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

0300 PM     NON-TSTM WND GST 14 NE CENTENNIAL        41.44N 105.92W
11/20/2017  M60.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

0301 PM     NON-TSTM WND GST 10 SW CHEYENNE          41.04N 104.93W
11/20/2017  M59.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

0301 PM     NON-TSTM WND GST 15 NNE CENTENNIAL       41.50N 106.00W
11/20/2017  E60.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

0301 PM     NON-TSTM WND GST 33 W CHEYENNE           41.14N 105.43W
11/20/2017  M59.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

0315 PM     NON-TSTM WND GST 10 WSW CHEYENNE         41.11N 104.97W
11/20/2017  M67.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

0425 PM     NON-TSTM WND GST 14 NE CENTENNIAL        41.44N 105.92W
11/20/2017  M57.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

0427 PM     NON-TSTM WND GST 7 ESE ARLINGTON         41.55N 106.08W
11/20/2017  M58.00 MPH       CARBON             WY   DEPT OF HIGHWAYS

0430 PM     NON-TSTM WND GST 10 WSW CHEYENNE         41.09N 104.97W
11/20/2017  M54.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

0518 PM     NON-TSTM WND GST 7 ESE ARLINGTON         41.55N 106.08W
11/20/2017  M52.00 MPH       CARBON             WY   DEPT OF HIGHWAYS

0645 PM     NON-TSTM WND GST 14 NE CENTENNIAL        41.44N 105.92W
11/20/2017  M59.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

0646 PM     NON-TSTM WND GST 15 NNE CENTENNIAL       41.50N 106.00W
11/20/2017  M58.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

0715 PM     NON-TSTM WND GST 14 NE CENTENNIAL        41.44N 105.92W
11/20/2017  M56.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

0715 PM     NON-TSTM WND GST 16 WSW CHEYENNE         41.06N 105.08W
11/20/2017  M50.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

0715 PM     NON-TSTM WND GST BORDEAUX                41.95N 104.95W
11/20/2017  M52.00 MPH       PLATTE             WY   DEPT OF HIGHWAYS

0840 PM     NON-TSTM WND GST 16 WSW CHEYENNE         41.06N 105.08W
11/20/2017  M60.00 MPH       LARAMIE            WY   DEPT OF HIGHWAYS

0844 PM     NON-TSTM WND GST 11 SSE GARRETT          41.96N 105.52W
11/20/2017  M58.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

0846 PM     NON-TSTM WND GST BUFORD                  41.11N 105.30W
11/20/2017  M50.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

0846 PM     NON-TSTM WND GST 15 NNE CENTENNIAL       41.50N 106.00W
11/20/2017  M57.00 MPH       ALBANY             WY   DEPT OF HIGHWAYS

&&

BCHAPMAN

Local storm report, Nov 20, 10:34 PM MST, 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
1034 PM MST MON NOV 20 2017

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

0951 PM     NON-TSTM WND GST ARLINGTON               41.59N 106.21W
11/20/2017  M54 MPH          CARBON             WY   DEPT OF HIGHWAYS

0945 PM     NON-TSTM WND GST 16 WSW CHEYENNE         41.06N 105.08W
11/20/2017  E59 MPH          LARAMIE            WY   DEPT OF HIGHWAYS

0930 PM     NON-TSTM WND GST 10 WSW CHEYENNE         41.09N 104.97W
11/20/2017  M56 MPH          LARAMIE            WY   DEPT OF HIGHWAYS

&&

BCHAPMAN

Local storm report, Nov 20, 10:41 PM MST, 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
1041 PM MST MON NOV 20 2017

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

1035 PM     NON-TSTM WND GST 10 SW CHEYENNE          41.04N 104.93W
11/20/2017  M62 MPH          LARAMIE            WY   DEPT OF HIGHWAYS

&&

BCHAPMAN

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

4 winter weather. Local standard time, as filed.

Winter Weather, Snowy Range

When: November 20, 11:00 PM MST to November 21, 8:00 AM MST
Where: Snowy Range forecast zone
Reported by: SNOTEL
Coordinates: 41.675, -106.327 (the zone’s center; the record gives no point)

The North French Creek SNOTEL site (elevation 10130 ft) estimated 5 inches of snow.

Winter Weather, Snowy Range

When: November 20, 11:00 PM MST to November 21, 8:00 AM MST
Where: Snowy Range forecast zone
Reported by: SNOTEL
Coordinates: 41.675, -106.327 (the zone’s center; the record gives no point)

The Brooklyn Lake SNOTEL site (elevation 10240 ft) estimated six inches of snow.

Winter Weather, Snowy Range

When: November 20, 11:00 PM MST to November 21, 8:00 AM MST
Where: Snowy Range forecast zone
Reported by: SNOTEL
Coordinates: 41.675, -106.327 (the zone’s center; the record gives no point)

The Cinnabar Park SNOTEL site (elevation 9574 ft) estimated 10 inches of snow.

Winter Weather, Snowy Range

When: November 20, 11:00 PM MST to November 21, 8:00 AM MST
Where: Snowy Range forecast zone
Reported by: SNOTEL
Coordinates: 41.675, -106.327 (the zone’s center; the record gives no point)

The Medicine Bow SNOTEL site (elevation 10500 ft) estimated five inches of snow.

What these are

Winter Weather: Snow, sleet or freezing rain below warning levels that still caused disruption, damage or casualties.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Wyoming in 2017 Every state in 2017 This day in weather history Warnings in Wyoming, November 2017

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 727004, 727005, 727006, 727008.