Alert archive / Montana / Winter Weather Advisories in 2021

Winter Weather Advisory 4, NWS Great Falls, MT

January 12, 2021

NWS Great Falls, MT issued this winter weather advisory at Jan 12, 2021, 2:01 PM MST. It took effect at Jan 13, 2021, 2:00 AM MST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Jan 12, 2021, 2:01 PM MST (21:01 UTC)
In effect from
Jan 13, 2021, 2:00 AM MST
Expired
Jan 13, 2021, 8:20 PM MST
In force
18 hr
Issued by
NWS Great Falls, MT

What forecasters said that day

The local office's own words before this winter weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Great Falls, MT wrote its last area forecast discussion before this winter weather advisory went out at Jan 12, 10:40 AM MST, 3 hours 21 minutes earlier.

Area forecast discussion, Jan 12, 10:40 AM MST, 3 hours 21 minutes before
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In the hours before

Local storm report, Jan 12, 12:21 PM MST, 1 hour 40 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE GREAT FALLS MT
1221 PM MST TUE JAN 12 2021

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

1121 AM     NON-TSTM WND GST 8 SE EAST GLACIER PARK  48.36N 113.11W
01/12/2021  M77 MPH          GLACIER            MT   MESONET

            MESONET STATION DCRM8 DEEP CREEK RAWS.

1207 PM     NON-TSTM WND GST 1 ENE EAST GLACIER PARK 48.45N 113.20W
01/12/2021  M65 MPH          GLACIER            MT   MESONET

            MESONET STATION MTBRN TWO MEDICINE BRIDGE
            (MT DOT).

1139 AM     NON-TSTM WND GST 2 SE BROWNING           48.54N 112.98W
01/12/2021  M58 MPH          GLACIER            MT   MESONET

            MESONET STATION MTBWG BROWNING (MT DOT).

1252 AM     NON-TSTM WND GST 7 ESE HILGER            47.22N 109.22W
01/12/2021  M56 MPH          FERGUS             MT   MESONET

            MESONET STATION JPKM8 JUDITH PEAK RAWS.

1100 AM     NON-TSTM WND GST 16 SE GALLATIN GATEWAY  45.44N 110.95W
01/12/2021  M51 MPH          GALLATIN           MT   MESONET

            MESONET STATION GNFHY 10.7 W EMIGRANT
            (AVALANCHE).

1157 AM     NON-TSTM WND GST 4 NNE MCALLISTER        45.50N 111.70W
01/12/2021  M51 MPH          MADISON            MT   MESONET

            MESONET STATION MTNOR NORRIS HILL (MT DOT).

0920 PM     NON-TSTM WND GST 3 NNE MONARCH           47.14N 110.82W
01/11/2021  M50 MPH          CASCADE            MT   MESONET

            MESONET STATION MTMON MONARCH CANYON (MT
            DOT).

0650 PM     NON-TSTM WND GST KEVIN                   48.74N 111.97W
01/11/2021  M50 MPH          TOOLE              MT   MESONET

            MESONET STATION DW0975 KEVIN.

1011 AM     NON-TSTM WND GST SAINT MARY              48.74N 113.43W
01/12/2021  M50 MPH          GLACIER            MT   MESONET

            MESONET STATION SRYM8 SAINT MARY RAWS.

0356 PM     NON-TSTM WND GST 3 SW CUT BANK           48.60N 112.37W
01/11/2021  M49 MPH          GLACIER            MT   ASOS

            ASOS STATION KCTB CUT BANK AIRPORT.

0958 PM     NON-TSTM WND GST 3 WNW RAYNESFORD        47.28N 110.80W
01/11/2021  M48 MPH          CASCADE            MT   AWOS

            AWOS STATION K1AM ALPHA.

1115 AM     NON-TSTM WND GST 5 NNE CAMERON           45.27N 111.65W
01/12/2021  M47 MPH          MADISON            MT   AWOS

            AWOS STATION KEKS ENNIS BIG SKY AWOS.

0730 PM     NON-TSTM WND GST SUNBURST                48.88N 111.90W
01/11/2021  M45 MPH          TOOLE              MT   MESONET

            MESONET STATION MTSUN SUNBURST (MT DOT).

0730 PM     NON-TSTM WND GST 3 SE SUNBURST           48.84N 111.86W
01/11/2021  M45 MPH          TOOLE              MT   MESONET

            MESONET STATION FW8513 SUNBURST.

0545 PM     NON-TSTM WND GST 8 ESE FORT BENTON       47.79N 110.48W
01/11/2021  M45 MPH          CHOUTEAU           MT   MESONET

            MESONET STATION MTM02 10.2 S LOMA (MT-MESO).

0253 PM     NON-TSTM WND GST 5 WSW GREAT FALLS       47.47N 111.38W
01/11/2021  M44 MPH          CASCADE            MT   ASOS

            ASOS STATION KGTF GREAT FALLS.

1007 PM     NON-TSTM WND GST 2 SSE GEYSER            47.25N 110.48W
01/11/2021  M42 MPH          JUDITH BASIN       MT   MESONET

            MESONET STATION MTGYS GEYSER (MT DOT).

1159 AM     NON-TSTM WND GST 4 NE LIMA               44.69N 112.54W
01/12/2021  M41 MPH          BEAVERHEAD         MT   MESONET

            MESONET STATION LMRM8 ANTELOPE RAWS.

0330 PM     NON-TSTM WND GST 4 NW COFFEE CREEK       47.39N 110.13W
01/11/2021  M41 MPH          FERGUS             MT   MESONET

            MESONET STATION MTM15 3.6 NW COFFEE CREEK
            (MT-MESO).

1115 PM     NON-TSTM WND GST 20 N RUDYARD            48.85N 110.60W
01/11/2021  M41 MPH          HILL               MT   MESONET

            MESONET STATION EW1937 GOLDSTONE.

0800 AM     NON-TSTM WND GST FORT BENTON             47.83N 110.66W
01/12/2021  M41 MPH          CHOUTEAU           MT   CO-OP OBSERVER

            CO-OP OBSERVER STATION FTBM8 FORT BENTON
            COOP.

1144 AM     NON-TSTM WND GST 15 WNW WOLF CREEK       47.09N 112.37W
01/12/2021  M40 MPH          LEWIS AND CLARK    MT   MESONET

            MESONET STATION MTROG ROGERS PASS (MT DOT).

1115 AM     NON-TSTM WND GST 6 SE DUTTON             47.79N 111.60W
01/12/2021  M40 MPH          TETON              MT   MESONET

            MESONET STATION DAHMT DAHLMAN.

0858 PM     NON-TSTM WND GST 1 ESE MALMSTROM AFB     47.50N 111.17W
01/11/2021  M40 MPH          CASCADE            MT   AWOS

            AWOS STATION KGFA MALMSTROM AFB.

0103 PM     NON-TSTM WND GST 5 ESE DENTON            47.30N 109.85W
01/11/2021  M40 MPH          FERGUS             MT   MESONET

            MESONET STATION MTDEN DENTON (MT DOT).

&&

PEAK WIND GUSTS OF 40+ MPH FROM NOON MST JANUARY 11TH THROUGH NOON MST
JANUARY 12TH.
Local storm report, Jan 12, 12:30 PM MST, 1 hour 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
1230 PM MST TUE JAN 12 2021

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

1037 AM     NON-TSTM WND GST 1 ENE EAST GLACIER PARK 48.45N 113.20W
01/12/2021  M60 MPH          GLACIER            MT   MESONET

            MESONET STATION MTBRN TWO MEDICINE BRIDGE
            (MT DOT). FIRST OCCURRENCE AT THIS LOCATION
            OF HIGH WIND CRITERIA GUST (58+ MPH) AND
            SUSTAINED WIND (40+ MPH OVER THE LAST HOUR).

&&

SAC
Local storm report, Jan 12, 12:32 PM MST, 1 hour 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
1232 PM MST TUE JAN 12 2021

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

1124 AM     HIGH SUST WINDS  2 SE BROWNING           48.54N 112.98W
01/12/2021  M43 MPH          GLACIER            MT   MESONET

            MESONET STATION MTBWG BROWNING (MT DOT).
            FIRST OCCURRENCE AT THIS LOCATION OF HIGH
            WIND CRITERIA SUSTAINED WIND (40+ MPH OVER
            THE LAST HOUR).

&&

SAC

Nearby

Winter Weather Advisories in Montana, 2021Every winter weather advisory in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.