Hill Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

High Wind Warning
Issued: 3:13 AM MST Dec. 12, 2018 – National Weather Service

... High Wind Warning now in effect until 5 PM MST this
afternoon...

* winds... west 25 to 35 mph with gusts up to 65 mph.

* Timing... winds are expected to increase over the plains of north
central Montana throughout the morning hours on Wednesday.
These strong winds are expected to peak near the noon hour and
into the early afternoon hours on Wednesday, before gradually
dissipating during the evening hours on Wednesday.

* Impacts... damaging winds may blow down trees and power lines.
Widespread power outages are expected. Power outages are
possible. Travel will be difficult, especially for high profile
vehicles and light weight trailers.


Precautionary/preparedness actions...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph, or gusts
of 58 mph or more, can lead to property damage.


Moldan


Http://www.Weather.Gov/greatfalls



313 am MST Wed Dec 12 2018

... High Wind Warning now in effect until 5 PM MST this
afternoon...

* winds... west 25 to 35 mph with gusts up to 65 mph.

* Timing... winds are expected to increase over the plains of north
central Montana throughout the morning hours on Wednesday.
These strong winds are expected to peak near the noon hour and
into the early afternoon hours on Wednesday, before gradually
dissipating during the evening hours on Wednesday.

* Impacts... damaging winds may blow down trees and power lines.
Widespread power outages are expected. Power outages are
possible. Travel will be difficult, especially for high profile
vehicles and light weight trailers.


Precautionary/preparedness actions...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph, or gusts
of 58 mph or more, can lead to property damage.


Moldan


Http://www.Weather.Gov/greatfalls


Public Information Statement
Issued: 11:33 AM MST Dec. 10, 2018 – National Weather Service

... November 2018 and autumn seasonal weather summary for north
central and southwest Montana...

After a mild period early in the month of November, temperatures
averaged below normal and periods of snow fell through the 18th.
Afterwards, a mild and drier period, with increased winds prevailed
through the rest of the month.

#### Temperature ###
overall... temperatures averages were a mix of below and above normal
across the region. Temperature departures from average ranged from
3.7f below normal at West Yellowstone to 1.8f above normal at Havre.
The highest area temperature was 65f at Choteau and Stanford on the
21st. The lowest monthly temperature was -20 at Elk Park on the 12th.
Temperature averages ranged from 35.6f at Holter dam to 18.5f at
West Yellowstone. As a composite, the area average temperature was
near normal.

For the fall season /September through November/, this was the
coolest such period since 2000 at Great Falls, Lewistown and West
Yellowstone. It was the coolest average for the area since 2000. At
Cut Bank, Dillon and Bozeman msu, it was the coolest since 2002.

#### Precipitation ###
precipitation amounts were above normal except in the Helena area
and portions of southwest Montana. Lewistown had their wettest
November since 2010 while West Yellowstone had their driest since
2012. The wettest spot was sacajawea snotel with 8.10-inches, while
a point near Bozeman reported 2.10".

Snowfall was near to below normal across the region. The highest
amount for the month was 29.7-inches at hebgen dam. They had 14
inches on the ground on the 30th.

For the fall season, this was the driest since 2003 at West
Yellowstone and driest since 2012 at Bozeman and Dillon.

### Wind
winds averaged below normal in November. At Airport locations, Cut
Bank had the strongest monthly average at 14.6 mph. The highest
average at higher elevations was 22.8 mph at Deep Creek RAWS, in
Glacier County. At Browning, the average was 18.2 mph.
The highest November gust was 87 mph at Deep Creek RAWS on the 2nd.
Two medicine had a gust of 67 mph on the 14th.

For the fall period, this was the calmest since 2010 at Great Falls
and since 2013 at several other points.

Average temperature...
              Nov norm Sep-Nov norm
Bozeman... ... .30.6..29.7.. 42.8... .42.8..
Bozeman msu... 31.1..32.7.. 43.6... .45.2..
Cut Bank... ... 31.0..30.3.. 40.7... .42.3..
Dillon... ... ..30.9..30.5.. 42.0... .43.0..15th coolest
Great Falls... 33.6..33.4.. 43.9... .44.9..17th coolest
Havre... ... ... 23.0..30.2.. 43.3... .43.7..
Helena... ... ..33.2..32.5.. 45.1... .45.3..
Lewistown... ..30.3..32.0.. 41.9... .43.5..21st coolest
W Yellowstone.18.5..20.9..20th coolest 33.8... .34.8..13th coolest
NC/SW Mt comp.30.0..29.9..56th coolest 41.7... .42.5..27th coolest

Precipitation...
              Nov norm Sep-Nov norm
Bozeman... ... .1.00..0.75..21st wettest 2.57... .2.93..
Bozeman msu... 1.69..1.19..26th wettest 4.55... .4.31..
Cut Bank... ... 0.65..0.36..18th wettest 2.14... .2.02..
Dillon... ... ..0.29..0.39.. 1.17... .1.92..14th driest
Great Falls... 0.65..0.59.. 2.79... .2.87..
Havre... ... ... 0.49..0.43.. 2.57... .2.13..
Helena... ... ..0.22..0.49.. 1.51... .2.27..29th driest
Lewistown... ..1.36..0.71..13th wettest 3.64... .3.19..
W Yellowstone.1.43..2.07.. 2.65... .4.67..18th driest
NC/SW Mt comp.1.28..0.84..17th wettest 4.22... .3.93..19th wettest

Snowfall... inches...
              Nov norm Sep-Nov norm
Bozeman... ... . 4.2.. 5.2.. 6.2... . 7.6..
Bozeman msu... 13.6..11.3.. 26.1... .18.0..20th highest
Cut Bank... ... 14.6.. 5.0.. 5th highest 18.4... . 7.8.. 9th highest
Dillon... ... .. 3.3.. 4.9.. 3.3... .10.1..
Great Falls... 10.1.. 8.1.. 12.4... .13.4..
Havre... ... ... 1.3.. 5.3.. 2.6... . 7.6..
Helena... ... .. 1.9.. 4.7.. 2.3... . 8.5..
Lewistown... ..11.5.. 4.9..22nd highest 14.0... . 8.2..
W Yellowstone.17.1..25.0.. 19.1... .31.4..
NC/SW Mt comp. 9.2.. 9.2.. 12.3... .13.6..

Average wind speed...
              Nov norm Sep-Nov norm
Bozeman... ... .4.2... .5.2.. 8th calmest 4.7... ..5.3.. 3rd calmest
Cut Bank... ..14.6... 14.1.. 11.9... .12.7..16th calmest
Dillon... ... . 9.4... .9.2.. 8.4... ..8.7..
Great Falls..13.4... 14.2.. 10.5... .12.4.. 2nd calmest
Havre... ... ..10.6... 9.3.. 9.8... ..8.9..
Helena... ... ..5.2... .6.4..14th calmest 5.6... ..6.2.. 7th calmest
Lewistown... . 8.9... 10.1..14th calmest 8.2... ..9.2..12th calmest
W yellowston. 4.8... 5.6 5.1... ..5.8
NC/SW Mt cmp. 8.9... .9.4..19th calmest 8.0... ..8.7.. 5th calmest

Temperature and precipitation records for Bozeman began in 1935... Cut
Bank began in 1903... Dillon began in 1939... Great Falls began in 1891
... Havre and Helena began in 1880... Lewistown began in 1896... and
West Yellowstone began in 1905. Wind records began at Bozeman and
Dillon in 1948... Cut Bank and Lewistown in 1938... Great Falls in
1939... Havre in 1889... Helena in 1880... and West Yellowstone in
2010. The normal period for all elements is 1981 to 2010.

These data are preliminary and have not undergone final qc by ncei.
Therefore these data are subject to revision. Final and certified
climate data can be accessed at the National centers for
environmental information at www.Ncei.NOAA.Gov


Nnnn

1133 am MST Mon Dec 10 2018

... November 2018 and autumn seasonal weather summary for north
central and southwest Montana...

After a mild period early in the month of November, temperatures
averaged below normal and periods of snow fell through the 18th.
Afterwards, a mild and drier period, with increased winds prevailed
through the rest of the month.

#### Temperature ###
overall... temperatures averages were a mix of below and above normal
across the region. Temperature departures from average ranged from
3.7f below normal at West Yellowstone to 1.8f above normal at Havre.
The highest area temperature was 65f at Choteau and Stanford on the
21st. The lowest monthly temperature was -20 at Elk Park on the 12th.
Temperature averages ranged from 35.6f at Holter dam to 18.5f at
West Yellowstone. As a composite, the area average temperature was
near normal.

For the fall season /September through November/, this was the
coolest such period since 2000 at Great Falls, Lewistown and West
Yellowstone. It was the coolest average for the area since 2000. At
Cut Bank, Dillon and Bozeman msu, it was the coolest since 2002.

#### Precipitation ###
precipitation amounts were above normal except in the Helena area
and portions of southwest Montana. Lewistown had their wettest
November since 2010 while West Yellowstone had their driest since
2012. The wettest spot was sacajawea snotel with 8.10-inches, while
a point near Bozeman reported 2.10".

Snowfall was near to below normal across the region. The highest
amount for the month was 29.7-inches at hebgen dam. They had 14
inches on the ground on the 30th.

For the fall season, this was the driest since 2003 at West
Yellowstone and driest since 2012 at Bozeman and Dillon.

### Wind
winds averaged below normal in November. At Airport locations, Cut
Bank had the strongest monthly average at 14.6 mph. The highest
average at higher elevations was 22.8 mph at Deep Creek RAWS, in
Glacier County. At Browning, the average was 18.2 mph.
The highest November gust was 87 mph at Deep Creek RAWS on the 2nd.
Two medicine had a gust of 67 mph on the 14th.

For the fall period, this was the calmest since 2010 at Great Falls
and since 2013 at several other points.

Average temperature...
              Nov norm Sep-Nov norm
Bozeman... ... .30.6..29.7.. 42.8... .42.8..
Bozeman msu... 31.1..32.7.. 43.6... .45.2..
Cut Bank... ... 31.0..30.3.. 40.7... .42.3..
Dillon... ... ..30.9..30.5.. 42.0... .43.0..15th coolest
Great Falls... 33.6..33.4.. 43.9... .44.9..17th coolest
Havre... ... ... 23.0..30.2.. 43.3... .43.7..
Helena... ... ..33.2..32.5.. 45.1... .45.3..
Lewistown... ..30.3..32.0.. 41.9... .43.5..21st coolest
W Yellowstone.18.5..20.9..20th coolest 33.8... .34.8..13th coolest
NC/SW Mt comp.30.0..29.9..56th coolest 41.7... .42.5..27th coolest

Precipitation...
              Nov norm Sep-Nov norm
Bozeman... ... .1.00..0.75..21st wettest 2.57... .2.93..
Bozeman msu... 1.69..1.19..26th wettest 4.55... .4.31..
Cut Bank... ... 0.65..0.36..18th wettest 2.14... .2.02..
Dillon... ... ..0.29..0.39.. 1.17... .1.92..14th driest
Great Falls... 0.65..0.59.. 2.79... .2.87..
Havre... ... ... 0.49..0.43.. 2.57... .2.13..
Helena... ... ..0.22..0.49.. 1.51... .2.27..29th driest
Lewistown... ..1.36..0.71..13th wettest 3.64... .3.19..
W Yellowstone.1.43..2.07.. 2.65... .4.67..18th driest
NC/SW Mt comp.1.28..0.84..17th wettest 4.22... .3.93..19th wettest

Snowfall... inches...
              Nov norm Sep-Nov norm
Bozeman... ... . 4.2.. 5.2.. 6.2... . 7.6..
Bozeman msu... 13.6..11.3.. 26.1... .18.0..20th highest
Cut Bank... ... 14.6.. 5.0.. 5th highest 18.4... . 7.8.. 9th highest
Dillon... ... .. 3.3.. 4.9.. 3.3... .10.1..
Great Falls... 10.1.. 8.1.. 12.4... .13.4..
Havre... ... ... 1.3.. 5.3.. 2.6... . 7.6..
Helena... ... .. 1.9.. 4.7.. 2.3... . 8.5..
Lewistown... ..11.5.. 4.9..22nd highest 14.0... . 8.2..
W Yellowstone.17.1..25.0.. 19.1... .31.4..
NC/SW Mt comp. 9.2.. 9.2.. 12.3... .13.6..

Average wind speed...
              Nov norm Sep-Nov norm
Bozeman... ... .4.2... .5.2.. 8th calmest 4.7... ..5.3.. 3rd calmest
Cut Bank... ..14.6... 14.1.. 11.9... .12.7..16th calmest
Dillon... ... . 9.4... .9.2.. 8.4... ..8.7..
Great Falls..13.4... 14.2.. 10.5... .12.4.. 2nd calmest
Havre... ... ..10.6... 9.3.. 9.8... ..8.9..
Helena... ... ..5.2... .6.4..14th calmest 5.6... ..6.2.. 7th calmest
Lewistown... . 8.9... 10.1..14th calmest 8.2... ..9.2..12th calmest
W yellowston. 4.8... 5.6 5.1... ..5.8
NC/SW Mt cmp. 8.9... .9.4..19th calmest 8.0... ..8.7.. 5th calmest

Temperature and precipitation records for Bozeman began in 1935... Cut
Bank began in 1903... Dillon began in 1939... Great Falls began in 1891
... Havre and Helena began in 1880... Lewistown began in 1896... and
West Yellowstone began in 1905. Wind records began at Bozeman and
Dillon in 1948... Cut Bank and Lewistown in 1938... Great Falls in
1939... Havre in 1889... Helena in 1880... and West Yellowstone in
2010. The normal period for all elements is 1981 to 2010.

These data are preliminary and have not undergone final qc by ncei.
Therefore these data are subject to revision. Final and certified
climate data can be accessed at the National centers for
environmental information at www.Ncei.NOAA.Gov


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