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Idaho, Sawtooth Mountains

Winter Weather Advisory

Statement as of 3:19 AM MDT on March 30, 2017

Expires 11:00 PM EDT on March 30, 2017


... Winter Weather Advisory remains in effect until 9 PM MDT this
evening...

* impacts... snow and heavy snow will create difficult travel,
especially for those traveling along mountain passes Thursday.
Patches of blowing snow will create reduced visibilities.

* Timing... snow will begin late this morning and persist through
this evening. By this afternoon, and continuing through the
evening, expect wind gusts in excess of 30 mph.

* Snow accumulations... 8 to 12 inches.

* Confidence... moderate confidence in snow amounts and moderate
to low confidence in timing of events.

* Locations... above 7500 ft, including Galena Summit, Banner
Summit, Sawtooth Mountain range, big and little Wood River
region.

Precautionary/preparedness actions...

A Winter Weather Advisory for snow and blowing snow means that
periods of snow will cause primarily travel difficulties. Be
prepared for snow covered roads and limited visibilities, and use
caution while driving.





Areal Flood Watch

Statement as of 11:36 AM MDT on March 30, 2017

Expires 8:00 PM EDT on March 31, 2017


... Flood Watch remains in effect through Friday afternoon...

The Flood Watch continues for

* portions of central Idaho, eastern Idaho, south central Idaho,
and southeast Idaho, including the following areas, in central
Idaho, big and little Wood River region, Lost
River/pahsimeroi, and Sawtooth Mountains. In eastern Idaho,
upper snake Highlands. In south central Idaho, eastern Magic
Valley. In southeast Idaho, Cache Valley/Idaho portion,
Caribou Highlands, south Central Highlands, and Wasatch
mountains/Idaho portion.

* Through Friday afternoon

* excessive snowmelt along with rainfall.

* Above freezing temperatures and moderate to heavy rainfall today
will exacerbate snowmelt across the watch area resulting in the
potential for flooding in lower elevations through Friday.

* Water continued to flow over the magic dam spillway with
downstream flows on the Big Wood River across Lincoln County
expected to reach upwards of 5000 cfs around 6 PM MDT Thursday
evening. At 5300 cfs, floodwaters spread downstream from the
Reservoir along the Big Wood River reaching within one foot of Highway
75. The flooding is expected to be similar to the event that
occurred in 2006.

Precautionary/preparedness actions...

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

Individuals living near the Big Wood River downstream of the
magic dam should be alert to possible flooding.

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.




Areal Flood Watch

Statement as of 11:36 AM MDT on March 30, 2017

Expires 8:00 PM EDT on March 31, 2017


... Flood Watch remains in effect through Friday afternoon...

The Flood Watch continues for

* portions of central Idaho, eastern Idaho, south central Idaho,
and southeast Idaho, including the following areas, in central
Idaho, big and little Wood River region, Lost
River/pahsimeroi, and Sawtooth Mountains. In eastern Idaho,
upper snake Highlands. In south central Idaho, eastern Magic
Valley. In southeast Idaho, Cache Valley/Idaho portion,
Caribou Highlands, south Central Highlands, and Wasatch
mountains/Idaho portion.

* Through Friday afternoon

* excessive snowmelt along with rainfall.

* Above freezing temperatures and moderate to heavy rainfall today
will exacerbate snowmelt across the watch area resulting in the
potential for flooding in lower elevations through Friday.

* Water continued to flow over the magic dam spillway with
downstream flows on the Big Wood River across Lincoln County
expected to reach upwards of 5000 cfs around 6 PM MDT Thursday
evening. At 5300 cfs, floodwaters spread downstream from the
Reservoir along the Big Wood River reaching within one foot of Highway
75. The flooding is expected to be similar to the event that
occurred in 2006.

Precautionary/preparedness actions...

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

Individuals living near the Big Wood River downstream of the
magic dam should be alert to possible flooding.

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.




Weather Severe Map
Alabama - Severe Thunderstorm Warning , Coastal Hazard Statement , Special Statement
Alaska - Winter Weather Advisory , Public Information Statement
Arizona - Wind Advisory , Blowing Dust Advisory, Wind Advisory , High Wind Warning , Fire Weather Warning
Arkansas - Flood Warning
California - High Surf Advisory , Wind Advisory , High Wind Warning , High Wind Warning, Wind Advisory , Blowing Dust Advisory, Wind Advisory , Wind Advisory, High Wind Warning , Frost Advisory , Fire Weather Warning , Beach Hazard Statement
Colorado - Winter Storm Watch , Winter Weather Advisory , Winter Storm Warning , Special Statement
Connecticut -
Florida - Coastal Hazard Statement , Fire Weather Warning
Georgia -
Guam - High Surf Advisory
Idaho - Flood Warning , Areal Flood Watch, Areal Flood Advisory , Areal Flood Advisory , Areal Flood Watch , Flood Watch , Wind Advisory , High Wind Warning , Winter Weather Advisory
Illinois - Severe Thunderstorm Watch , Severe Thunderstorm Warning , Severe Thunderstorm Warning , Flood Warning , Areal Flood Advisory , Areal Flood Advisory , Areal Flood Advisory, Flood Watch , Flood Advisory , Special Statement , Public Information Statement
Indiana - Flood Warning , Special Statement , Public Information Statement
Iowa - Flood Watch , Public Information Statement
Kansas - Flood Warning , Public Information Statement
Kentucky - Severe Thunderstorm Watch , Special Statement , Public Information Statement
Louisiana - Flood Warning , Public Information Statement
Maine - Winter Storm Watch
Massachusetts - Winter Storm Watch
Michigan - Areal Flood Watch , Flood Advisory , Special Statement , Public Information Statement
Minnesota - Flood Warning
Mississippi - Areal Flood Advisory
Missouri - Severe Thunderstorm Watch , Flood Warning , Special Statement , Public Information Statement
Montana - Winter Weather Advisory , Winter Storm Warning , Record Report
Nevada - Flood Warning , Areal Flood Advisory , Wind Advisory , High Wind Warning, Wind Advisory , Wind Advisory, High Wind Warning , High Wind Warning , Winter Weather Advisory , Special Statement
New Hampshire - Winter Storm Watch
New Mexico - Wind Advisory , High Wind Watch , Fire Weather Watch , Fire Weather Watch, Fire Weather Warning
New York - Areal Flood Watch , Winter Weather Advisory , Winter Storm Watch , Winter Storm Warning
North Dakota - Flood Warning, Areal Flood Warning , Flood Warning , Areal Flood Warning , Areal Flood Advisory
Ohio - Flood Watch
Oklahoma - Flood Warning
Oregon - Flood Warning , Flood Watch , Wind Advisory , Beach Hazard Statement
Pennsylvania - Areal Flood Watch
Puerto Rico - Coastal Hazard Statement
Rhode Island -
South Carolina - Coastal Flood Advisory
Tennessee - Wind Advisory
Texas - Flood Warning , High Wind Watch , Fire Weather Watch , Public Information Statement
Utah - Wind Advisory , Winter Weather Advisory , Winter Storm Warning
Vermont - Winter Weather Advisory , Winter Storm Watch , Winter Storm Warning
Washington - Flood Warning , Areal Flood Warning
Wisconsin - Flood Watch
Wyoming - Winter Storm Watch , Winter Storm Warning , Winter Weather Advisory , Special Statement

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