Alert archive / Montana / Winter Storm Warnings in 2018

Winter Storm Warning 12, NWS Great Falls, MT

April 5, 2018

NWS Great Falls, MT issued this winter storm warning at Apr 5, 2018, 1:07 PM MDT. It took effect at Apr 5, 2018, 3:00 PM MDT. It was in force for 21 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 5, 2018, 1:07 PM MDT (19:07 UTC)
In effect from: Apr 5, 2018, 3:00 PM MDT
Expired: Apr 6, 2018, 12:00 PM MDT
In force: 21 hr
Issued by: NWS Great Falls, MT

What forecasters said that day

The local office's own words before this winter storm warning 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 storm warning went out at Apr 5, 11:50 AM MDT, 1 hour 17 minutes earlier.

Area forecast discussion, Apr 5, 11:50 AM MDT, 1 hour 17 minutes before

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In the hours before

Local storm report, Apr 5, 8:49 AM MDT, 4 hours 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
849 AM MDT THU APR 5 2018

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

0849 AM     SNOW             1 NNW LEWISTOWN         47.07N 109.43W
04/05/2018  M1.0 INCH        FERGUS             MT   TRAINED SPOTTER

            1.0 INCH NEW SNOW OVERNIGHT. STILL SNOWING.
            SOCIAL MEDIA REPORT.

&&

PN

Local storm report, Apr 5, 8:50 AM MDT, 4 hours 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
850 AM MDT THU APR 5 2018

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

0850 AM     SNOW             1 SW LEWISTOWN          47.05N 109.44W
04/05/2018  E2.0 INCH        FERGUS             MT   TRAINED SPOTTER

            2 INCHES NEW SNOW OVERNIGHT. STILL SNOWING.
            4 INCH SNOW DEPTH.

&&

PN

Local storm report, Apr 5, 10:16 AM MDT, 2 hours 51 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
1016 AM MDT THU APR 5 2018

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

0800 AM     SNOW             FROHNER MEADOW SNOTEL   46.44N 112.19W
04/05/2018  M5.0 INCH        JEFFERSON          MT   MESONET

            MESONET STATION FRHM8, FROHNER MEADOW
            SNOTEL.

0800 AM     SNOW             SACAJAWEA SNOTEL        45.87N 110.93W
04/05/2018  M5.0 INCH        GALLATIN           MT   MESONET

            MESONET STATION SAJM8, SACAJAWEA SNOTEL.

0900 AM     SNOW             COPPER BOTTOM SNOTEL    47.06N 112.59W
04/05/2018  M3.0 INCH        LEWIS AND CLARK    MT   MESONET

            MESONET STATION COPM8, COPPER BOTTOM SNOTEL.

0900 AM     SNOW             LEWISTOWN               47.07N 109.40W
04/05/2018  M3.0 INCH        FERGUS             MT   CO-OP OBSERVER

            CO-OP OBSERVER STATION LCMM8, LEWISTOWN.

0800 AM     SNOW             COPPER CAMP SNOTEL      47.08N 112.73W
04/05/2018  M3.0 INCH        LEWIS AND CLARK    MT   MESONET

            MESONET STATION CPCM8, COPPER CAMP SNOTEL.

0800 AM     SNOW             BOULDER MTN SNOTEL      46.56N 111.29W
04/05/2018  M3.0 INCH        MEAGHER            MT   MESONET

            MESONET STATION BOMM8, BOULDER MTN SNOTEL.

0900 AM     SNOW             CARROT BASIN SNOTEL     44.96N 111.29W
04/05/2018  M3.0 INCH        GALLATIN           MT   MESONET

            MESONET STATION CRRM8, CARROT BASIN SNOTEL.

0800 AM     SNOW             BRACKETT CREEK SNOTEL   45.89N 110.94W
04/05/2018  M3.0 INCH        GALLATIN           MT   MESONET

            MESONET STATION BRCM8, BRACKETT CREEK
            SNOTEL.

0700 AM     SNOW             BOULDER MTN SNOTEL      46.56N 111.29W
04/05/2018  M3.0 INCH        MEAGHER            MT   MESONET

            MESONET STATION BOMM8, BOULDER MTN SNOTEL.

0800 AM     SNOW             PICKFOOT CREEK SNOTEL   46.58N 111.27W
04/05/2018  M2.0 INCH        MEAGHER            MT   MESONET

            MESONET STATION PCKM8, PICKFOOT CREEK
            SNOTEL.

0900 AM     SNOW             WALDRON SNOTEL          47.92N 112.79W
04/05/2018  M2.0 INCH        TETON              MT   MESONET

            MESONET STATION CHUM8, WALDRON SNOTEL.

0900 AM     SNOW             SACAJAWEA SNOTEL        45.87N 110.93W
04/05/2018  M2.0 INCH        GALLATIN           MT   MESONET

            MESONET STATION SAJM8, SACAJAWEA SNOTEL.

0800 AM     SNOW             COPPER BOTTOM SNOTEL    47.06N 112.59W
04/05/2018  M2.0 INCH        LEWIS AND CLARK    MT   MESONET

            MESONET STATION COPM8, COPPER BOTTOM SNOTEL.

0700 AM     SNOW             NEVADA RIDGE SNOTEL     46.84N 112.51W
04/05/2018  M2.0 INCH        LEWIS AND CLARK    MT   MESONET

            MESONET STATION NVRM8, NEVADA RIDGE SNOTEL.

0800 AM     SNOW             WALDRON SNOTEL          47.92N 112.79W
04/05/2018  M2.0 INCH        TETON              MT   MESONET

            MESONET STATION CHUM8, WALDRON SNOTEL.

0800 AM     SNOW             MOUNT LOCKHART SNOTEL   47.92N 112.82W
04/05/2018  M2.0 INCH        TETON              MT   MESONET

            MESONET STATION MTKM8, MOUNT LOCKHART
            SNOTEL.

0800 AM     SNOW             NEVADA RIDGE SNOTEL     46.84N 112.51W
04/05/2018  M2.0 INCH        LEWIS AND CLARK    MT   MESONET

            MESONET STATION NVRM8, NEVADA RIDGE SNOTEL.

0900 AM     SNOW             SHOWER FALLS SNOTEL     45.40N 110.96W
04/05/2018  M2.0 INCH        GALLATIN           MT   MESONET

            MESONET STATION SHFM8, SHOWER FALLS SNOTEL.

0800 AM     SNOW             LICK CREEK SNOTEL       45.50N 110.97W
04/05/2018  M2.0 INCH        GALLATIN           MT   MESONET

            MESONET STATION LCKM8, LICK CREEK SNOTEL.

0750 AM     SNOW             2 NW HELENA COCORAHS    46.62N 112.04W
04/05/2018  M1.7 INCH        LEWIS AND CLARK    MT   COCORAHS

            COCORAHS STATION MT-LC-14, 2 NW HELENA
            COCORAHS.

0720 AM     SNOW             RUDYARD 19S COOP        48.28N 110.60W
04/05/2018  M1.5 INCH        CHOUTEAU           MT   CO-OP OBSERVER

            CO-OP OBSERVER STATION RYDM8, RUDYARD 19S
            COOP.

0700 AM     SNOW             LOMA 1 WNW COOP         47.94N 110.53W
04/05/2018  M1.4 INCH        CHOUTEAU           MT   CO-OP OBSERVER

            CO-OP OBSERVER STATION LOMM8, LOMA 1 WNW
            COOP.

0800 AM     SNOW             FORT BENTON COOP        47.81N 110.67W
04/05/2018  M1.3 INCH        CHOUTEAU           MT   CO-OP OBSERVER

            CO-OP OBSERVER STATION FTBM8, FORT BENTON
            COOP.

0553 AM     SNOW             HELENA AP ASOS          46.61N 111.96W
04/05/2018  M1.0 INCH        LEWIS AND CLARK    MT   ASOS

            ASOS STATION HLN, HELENA AP ASOS.

0700 AM     SNOW             GOLD BUTTE 7N COOP      48.98N 111.40W
04/05/2018  M1.0 INCH        TOOLE              MT   CO-OP OBSERVER

            CO-OP OBSERVER STATION GNSM8, GOLD BUTTE 7N
            COOP.

0700 AM     SNOW             SUN RIVER 4S COOP       47.48N 111.74W
04/05/2018  M0.5 INCH        CASCADE            MT   CO-OP OBSERVER

            CO-OP OBSERVER STATION SNRM8, SUN RIVER 4S
            COOP.

0600 AM     SNOW             GREAT FALLS NWS COOP    47.46N 111.38W
04/05/2018  M0.4 INCH        CASCADE            MT   CO-OP OBSERVER

            CO-OP OBSERVER STATION TFX, GREAT FALLS NWS
            COOP.

0553 AM     SNOW             GREAT FALLS AIRPORT     47.47N 111.38W
04/05/2018  M0.4 INCH        CASCADE            MT   ASOS

            ASOS STATION GTF, GREAT FALLS AIRPORT.

0553 AM     SNOW             HAVRE AP ASOS           48.54N 109.76W
04/05/2018  M0.3 INCH        HILL               MT   ASOS

            ASOS STATION HVR, HAVRE AP ASOS.

&&

Local storm report, Apr 5, 10:51 AM MDT, 2 hours 16 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
1051 AM MDT THU APR 5 2018

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

1050 AM     SNOW             GRASS RANGE             47.03N 108.80W
04/05/2018  M2.0 INCH        FERGUS             MT   TRAINED SPOTTER

            2.0 INCHES NEW SNOW. STILL SNOWING.

&&

PN

Local storm report, Apr 5, 11:24 AM MDT, 1 hour 43 minutes before

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Special weather statement, Apr 5, 11:45 AM MDT, 1 hour 22 minutes before

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The office that day

Everything else NWS Great Falls, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 5, 1:30 PM MDT	Special Weather Statement	TFX	Judith Basin	60 min
Apr 5, 2:30 PM MDT	Special Weather Statement	TFX	Chouteau, Fergus, Judith Basin, Pondera, Toole	60 min
Apr 5, 3:31 PM MDT	Special Weather Statement	TFX	Chouteau, Judith Basin, Pondera, Toole	119 min

Nearby

Winter Storm Warnings in Montana, 2018 Every winter storm warning in 2018

Sources

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