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Dense Fog Advisory


URGENT - WEATHER MESSAGE
National Weather Service GLASGOW MT
547 PM MST Sun Feb 19 2017

...Dense fog for portions of northeast Montana...

.Warm air over the snowpack in the region has contributed to
create areas of dense fog.

MTZ017>020-061-062-201200-
/O.NEW.KGGW.FG.Y.0002.170220T0047Z-170220T1500Z/
Central and Southern Valley-Daniels-Sheridan-Western Roosevelt-
Northern Valley-Eastern Roosevelt-
Including the cities of Glasgow, Fort Peck, Hinsdale, Frazer,
Scobey, Plentywood, Medicine Lake, Wolf Point, Poplar, Opheim,
and Culbertson
547 PM MST Sun Feb 19 2017

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM MST MONDAY...

The National Weather Service in GLASGOW has issued a Dense Fog
Advisory...which is in effect until 8 AM MST Monday.

* TIMING...through 8 AM MST Monday.

* IMPACTS...Limited visibilities will make travel very difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Dense Fog Advisory means visibilities will frequently be
reduced to less than one quarter mile. If driving, slow down, use
your headlights, and leave plenty of distance ahead of you.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Bismarck ND
610 PM CST Sun Feb 19 2017

NDZ001-002-009-010-017-200815-
/O.NEW.KBIS.FG.Y.0004.170220T0010Z-170220T1400Z/
Divide-Burke-Williams-Mountrail-McKenzie-
Including the cities of Crosby, Bowbells, Powers Lake, Lignite,
Columbus, Portal, Williston, New Town, Stanley, Parshall,
and Watford City
610 PM CST Sun Feb 19 2017 /510 PM MST Sun Feb 19 2017/

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CST /7 AM MST/
MONDAY...

The National Weather Service in Bismarck has issued a Dense Fog
Advisory, which is in effect until 8 AM CST /7 AM MST/ Monday.

* VISIBILITY...Deteriorating this evening to one-quarter mile or
less.

* IMPACTS...Driving will be difficult due to reduced visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Dense Fog Advisory means visibilities will frequently be
reduced to less than one quarter mile. If driving...slow down...
use your headlights...and leave plenty of distance ahead of you.

&&

$$


Flood Watch


Flood Watch
National Weather Service GLASGOW MT
405 PM MST Sun Feb 19 2017

.Risk of possible ice jams present across portions of northeast
Montana through the first half of this week.

MTZ019-024>026-201200-
/O.EXB.KGGW.FA.A.0001.000000T0000Z-170221T2200Z/
/00000.0.IJ.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sheridan-Richland-Dawson-Prairie-
Including the cities of Plentywood, Medicine Lake, Sidney,
Fairview, Glendive, Richey, and Terry
405 PM MST Sun Feb 19 2017

...FLOOD WATCH IN EFFECT THROUGH TUESDAY AFTERNOON...

The National Weather Service in GLASGOW has expanded the

* Flood Watch in effect for portions of northeast Montana
  including the following areas, Dawson, Prairie, Richland, and
  Sheridan Counties.

* Through Tuesday afternoon

* Ice is breaking up and flowing along many of the rivers and
  streams across the region. An ice jam has been reported upstream
  of Glendive on the Yellowstone River and is moving towards
  Glendive.

* An ice jam could produce a quick and sudden rise in river
  level with flooding occuring with little notice.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch means there is a potential for flooding based on
current forecasts.

You should monitor later forecasts and be alert for possible
Flood Warnings. Those living in areas prone to flooding should be
prepared to take action should flooding develop.

&&

$$


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service GLASGOW MT
557 PM MST Sun Feb 19 2017

MTZ018-020-061-062-201200-
Daniels-Western Roosevelt-Northern Valley-Eastern Roosevelt-
557 PM MST Sun Feb 19 2017

This Hazardous Weather Outlook is for portions of northeast
Montana.

* Potential Impacts:  Dense Fog.

* Timing: through 8 AM MST Monday

* Visibility: reduced to less than a quarter of a mile at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Hazardous Weather Outlook is issued when hazardous weather could
impact the region within the next week. Be sure to stay tuned for
future updates as locations, timing, and impacts could change.
Begin preparations to mitigate any impacts that could result from
the hazardous weather.

&&

$$

Hazardous Weather Outlook
National Weather Service GLASGOW MT
557 PM MST Sun Feb 19 2017

MTZ024>026-201200-
Richland-Dawson-Prairie-
557 PM MST Sun Feb 19 2017

This Hazardous Weather Outlook is for portions of northeast
Montana.

* Potential Impacts:  Snowmelt Flooding.

* Timing: through Tuesday afternoon.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Hazardous Weather Outlook is issued when hazardous weather could
impact the region within the next week. Be sure to stay tuned for
future updates as locations, timing, and impacts could change.
Begin preparations to mitigate any impacts that could result from
the hazardous weather.

&&

$$

Hazardous Weather Outlook
National Weather Service GLASGOW MT
557 PM MST Sun Feb 19 2017

MTZ019-201200-
Sheridan-
557 PM MST Sun Feb 19 2017

This Hazardous Weather Outlook is for portions of northeast
Montana.

* Potential Impacts:  Dense Fog and Snowmelt Flooding.

* Dense Fog Timing: through 8 AM MST Monday.

* Flood Watch Timing: through Tuesday afternoon.

* Visibility: reduced to below a quarter of a mile at times.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Hazardous Weather Outlook is issued when hazardous weather could
impact the region within the next week. Be sure to stay tuned for
future updates as locations, timing, and impacts could change.
Begin preparations to mitigate any impacts that could result from
the hazardous weather.

&&

$$

Hazardous Weather Outlook
National Weather Service Bismarck ND
629 PM CST Sun Feb 19 2017

NDZ018>023-025-031>037-040>048-050-051-210030-
Dunn-Mercer-Oliver-McLean-Sheridan-Wells-Foster-Golden Valley-
Billings-Stark-Morton-Burleigh-Kidder-Stutsman-Slope-Hettinger-
Grant-Bowman-Adams-Sioux-Emmons-Logan-La Moure-McIntosh-Dickey-
629 PM CST Sun Feb 19 2017 /529 PM MST Sun Feb 19 2017/

This Hazardous Weather Outlook is for portions of south central
North Dakota, southeast North Dakota, and southwest North Dakota.

.DAY ONE...Tonight

Areas of fog possible over portions of the area tonight into
Monday morning.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

There is a slight chance of freezing rain over portions of the
area Monday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Bismarck ND
629 PM CST Sun Feb 19 2017

NDZ003>005-011>013-210030-
Renville-Bottineau-Rolette-Ward-McHenry-Pierce-
629 PM CST Sun Feb 19 2017

This Hazardous Weather Outlook is for portions of north central
North Dakota.

.DAY ONE...Tonight

There is a chance for light freezing tonight.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

There is a chance for light freezing rain over portions of the
area Monday morning.


.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Bismarck ND
629 PM CST Sun Feb 19 2017

NDZ001-002-009-010-017-210030-
Divide-Burke-Williams-Mountrail-McKenzie-
629 PM CST Sun Feb 19 2017 /529 PM MST Sun Feb 19 2017/

This Hazardous Weather Outlook is for portions of northwest North
Dakota.

.DAY ONE...Tonight

Dense fog will spread over the area this evening and continue
through early Monday morning. A dense fog advisory has been
issued. See www.weather.gov/bis for additional information.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

There is a slight chance of freezing rain over portions of the
area Monday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Aberdeen SD
218 PM CST Sun Feb 19 2017

MNZ039-046-SDZ005>008-010-011-016>023-033>037-045-048-051-202030-
Traverse-Big Stone-McPherson-Brown-Marshall-Roberts-Edmunds-Day-
Potter-Faulk-Spink-Clark-Codington-Grant-Hamlin-Deuel-Stanley-
Sully-Hughes-Hyde-Hand-Jones-Lyman-Buffalo-
218 PM CST Sun Feb 19 2017 /118 PM MST Sun Feb 19 2017/

This Hazardous Weather Outlook is for portions of west central
Minnesota, central South Dakota, north central South Dakota, and
northeast South Dakota.

.DAY ONE...This Afternoon and Tonight

Thunderstorms are possible overnight, mainly along and east of
the James River Valley. Severe storms are not expected at this
time.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Thunderstorms are possible Monday morning, mainly along and east
of the James River Valley. Severe storms are not expected at this
time.

A storm system crossing the region Thursday night through Friday
night could bring widespread accumulating snow to the area. Stay
tuned.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Billings MT
800 AM MST Sun Feb 19 2017

MTZ028>042-056>058-063>068-WYZ098-099-201500-
Southern Wheatland-Musselshell-Treasure-Northern Rosebud-Custer-
Fallon-Northern Stillwater-Yellowstone-Powder River-Carter-
Southern Big Horn-Eastern Carbon-Northern Park-
Northern Sweet Grass-Golden Valley-Red Lodge Foothills-
Northern Big Horn-Southern Rosebud-Judith Gap-Paradise Valley-
Livingston Area-Beartooth Foothills-Absaroka/Beartooth Mountains-
Crazy Mountains-Northeast Bighorn Mountains-Sheridan Foothills-
800 AM MST Sun Feb 19 2017

This Hazardous Weather Outlook is for portions of central
Montana...south central Montana...southeast Montana and north
central Wyoming.

* Monday and Tuesday: Periods of strong winds will impact the
  western foothills. Gusts of 50 to 60 mph are possible at
  Livingston and Nye. Expect hazardous cross winds on Interstate 90
  at Livingston. Strong cross winds are also possible along
  Highway 191 from Big Timber to Harlowton on Tuesday.

* Significant Weather Change: Confidence is high that colder
  temperatures will return to the region during the latter half of
  next week. Some snow accumulation is also possible over southern
  portions of Montana into northern Wyoming.

* Potential Wintry Impacts: Poor driving conditions. Hazardous
  conditions for young livestock.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be sure to stay tuned for future updates as locations, timing, and
impacts could change. Begin preparations to mitigate any impacts
that could result from the hazardous weather.

&&

$$


Hydrologic Outlook


Hydrologic Outlook
MNZ001>003-007-NDZ016-027-030-039-201700-

Hydrologic Outlook
National Weather Service Grand Forks ND
1213 PM CST Sun Feb 19 2017

...SNOW MELT CONTRIBUTING TO RIVER LEVEL RISES ACROSS THE SOUTHERN
RED RIVER VALLEY...

The recent string of above average temperatures has resulted in
most of the snow cover disappearing over much of the southern half
of the Red River Valley. Due to this decrease in snow cover, some
locations across the Red River Valley are beginning to depict a
response in river levels, in addition to some water running or
remaining frozen in the soil, field tiles, and ditches.

Several forecast points along the southern half of the Red River
Valley, in addition to its North Dakota and Minnesota tributaries,
are expected to reach or exceed action stage in the coming days.
Some points may even reach flood stage briefly as the threat of
precipitation returns to start the new work week. However, note
that there continues to be a high level of uncertainty regarding
the precipitation forecast and how much of this water will flow
into the river system as temperatures remain mild through midweek.

Information will likely change as more data becomes available and
confidence increases. Please stay tuned to the latest forecasts
for any updates.

Locations expected to be near or possibly slightly above flood
stage...

Location.......Flood Stage......Rising to........When
Fargo.............18 ft.........17 to 18 ft......Tuesday Feb 21
Sabin.............13 ft.........12 to 13 ft......Tuesday Feb 21
Hawley.............8 ft...........7 to 9 ft......Tuesday Feb 21
Dilworth..........13 ft.........12 to 14 ft......Wednesday Feb 22

Locations expected to reach or exceed action stage, but remain
below flood stage...

Location.......Flood Stage.......Rising to........When
Mapleton..........905 ft......901 to 902 ft.......Monday Feb 20
Hendrum............20 ft........18 to 19 ft.......Thursday Feb 23
Hillsboro..........10 ft..........8 to 9 ft.......Thursday Feb 23
Crookston..........15 ft........12 to 13 ft.......Thursday Feb 23
East Grand Forks...28 ft........27 to 28 ft.......Friday Feb 24
Oslo...............26 ft........23 to 25 ft.......Friday Feb 24
Minto...............6 ft..........4 to 5 ft.......Thursday Feb 23
Grafton............12 ft.........9 to 10 ft.......Wednesday Feb 22

$$

Lee

HYDROLOGIC OUTLOOK
MTC003-011-017-025-075-087-103-WYC033-202000-

HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
1252 PM MST Sat Feb 18 2017

...Ice jam impacts remain possible...

Small ice jams have been reported along the Powder River in
southeast Montana the last couple of days, but no significant
impacts have resulted thus far.

Mild temperatures will continue across the area through the first
half of the week. Water levels may still rise and lead to ice
jams. Stay alert for sudden changes in water levels as ice jams
can form quickly.

Cooler conditions are expected after midweek which will diminish
the threat of ice jamming.

$$

Hydrologic Outlook
MTZ017>020-023>027-061-062-201630-

Hydrologic Outlook
National Weather Service GLASGOW MT
921 AM MST Sat Feb 18 2017

...River ice beginning to break up...

With persistent warm temperatures each day, the remaining area
snowpack will continue to melt and runoff into surrounding streams
and rivers. Water levels on creeks, streams, and rivers will
continue to rise through the weekend.

Ice break up has begun along the Yellowstone and Milk Rivers.
Stay alert for sudden changes in water levels as ice jams may
quickly form. Ice jam flooding remains possible over the next
several days.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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