Alert archive / Idaho / Winter Storm Warnings in 2017

Winter Storm Warning 13, NWS Pocatello, ID

May 15, 2017

NWS Pocatello, ID issued this winter storm warning at May 15, 2017, 1:50 PM MDT. It took effect at May 16, 2017, 12:00 PM MDT. It was in force for 25 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
May 15, 2017, 1:50 PM MDT (19:50 UTC)
In effect from
May 16, 2017, 12:00 PM MDT
Expired
May 17, 2017, 12:56 PM MDT
In force
25 hr
Issued by
NWS Pocatello, ID

The text

As transmitted.

396 
WWUS45 KPIH 151950
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
150 PM MDT Mon May 15 2017

IDZ018-031-032-161000-
/O.NEW.KPIH.WS.W.0013.170516T1800Z-170518T0000Z/
Sawtooth Mountains-Big and Little Wood River Region-
Lost River/Pahsimeroi-
Including the cities of Stanley, Clayton, Hailey, Ketchum, 
Bellevue, Arco, Challis, and Mackay
150 PM MDT Mon May 15 2017

...WINTER STORM WARNING IN EFFECT FROM NOON TUESDAY TO 6 PM MDT
WEDNESDAY ABOVE 6000 FEET...

The National Weather Service in Pocatello has issued a Winter
Storm Warning for Snow, which is in effect from noon Tuesday to 6
PM MDT Wednesday. 

* IMPACTS...Accumulating snow may create hazardous travel
  conditions especially over mountain passes. Backcountry travel
  and recreation may become dangerous.

* TIMING...Accumulating snow will begin Tuesday afternoon and 
  continue through Wednesday, becoming heavy at times Tuesday 
  evening.

* SNOW ACCUMULATIONS...Storm total through Wednesday afternoon of
  5 to 12 inches above 6000 feet and 1 to 4 inches in the 
  mountain valleys.

* CONFIDENCE...High confidence in timing. Low confidence in
  accumulations due to dramatically fluctuating snow levels.

* LOCATIONS...Elevations primarily above 6000 feet, including
  Galena Summit and a good portion of the Stanley basin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter storm warning means significant amounts of snow are 
expected. Strong winds are also possible which may make travel 
hazardous at times.

&&

$$

IDZ019-022-023-025-161000-
/O.NEW.KPIH.WW.Y.0025.170517T0000Z-170518T0000Z/
Upper Snake Highlands-South Central Highlands-Caribou Highlands-
Wasatch Mountains/Idaho Portion-
Including the cities of St. Anthony, Ashton, Island Park, Driggs,
Victor, Malad City, Oakley, Rockland, Henry, Soda Springs, 
Downey, Lava Hot Springs, and Montpelier
150 PM MDT Mon May 15 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM TUESDAY TO 6 PM
MDT WEDNESDAY ABOVE 6000 FEET...

The National Weather Service in Pocatello has issued a Winter
Weather Advisory for snow, which is in effect from 6 PM Tuesday 
to 6 PM MDT Wednesday. 

* IMPACTS...Accumulating snow may create difficult travel 
  conditions especially over mountain passes. Backcountry travel 
  and recreation may become dangerous.

* TIMING...Accumulating snow will begin Tuesday evening and
  continue through Wednesday, becoming heavy at times late Tuesday
  night.

* SNOW ACCUMULATIONS...Storm total through Wednesday afternoon of
  5 to 10 inches above 6000 feet and 1 to 4 inches in the 
  mountain valleys.

* CONFIDENCE...High confidence in timing. Low confidence in
  accumulations due to dramatically fluctuating snow levels.

* LOCATIONS...Elevations primarily above 6000 feet, including Pine
  Creek Pass, Fish Creek Summit, Georgetown Summit, and the Island
  Park area.
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter weather advisory for 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.

&&

$$
4 follow-up statements
082 
WWUS45 KPIH 160912
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
312 AM MDT Tue May 16 2017


IDZ018-031-032-162200-
/O.CON.KPIH.WS.W.0013.170516T1800Z-170518T0000Z/
Sawtooth Mountains-Big and Little Wood River Region-
Lost River/Pahsimeroi-
Including the cities of Stanley, Clayton, Hailey, Ketchum, 
Bellevue, Arco, Challis, and Mackay
312 AM MDT Tue May 16 2017

...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM
MDT WEDNESDAY...

* IMPACTS...Accumulating snow may create hazardous travel 
  conditions especially over mountain passes. Backcountry travel 
  and recreation may become dangerous. 

* TIMING...Accumulating snow will begin this afternoon and
  continue through Wednesday, becoming heavy at times this 
  evening.
 
* SNOW ACCUMULATIONS...Storm total through Wednesday afternoon 
  of 5 to 12 inches above 6000 feet and 1 to 4 inches in the 
  mountain valleys. 

* CONFIDENCE...High confidence in timing. Low confidence in 
  accumulations due to dramatically fluctuating snow levels. 

* LOCATIONS...Elevations primarily above 6000 feet, including 
  Galena Summit and a good portion of the Stanley basin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter storm warning means significant amounts of snow are
expected. Strong winds are also possible which may make travel
hazardous at times.

&&

$$

IDZ019-022-023-025-162200-
/O.CON.KPIH.WW.Y.0025.170517T0000Z-170518T0000Z/
Upper Snake Highlands-South Central Highlands-Caribou Highlands-
Wasatch Mountains/Idaho Portion-
Including the cities of St. Anthony, Ashton, Island Park, Driggs,
Victor, Malad City, Oakley, Rockland, Henry, Soda Springs, 
Downey, Lava Hot Springs, and Montpelier
312 AM MDT Tue May 16 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 6 PM MDT WEDNESDAY...

* IMPACTS...Accumulating snow may create difficult travel 
  conditions especially over mountain passes. Backcountry travel 
  and recreation may become dangerous. 

* TIMING...Accumulating snow will begin this evening and continue
  through Wednesday, becoming heavy at times late tonight. 

* SNOW ACCUMULATIONS...Storm total through Wednesday afternoon 
  of 5 to 10 inches above 6000 feet and 1 to 4 inches in the 
  mountain valleys. 

* CONFIDENCE...High confidence in timing. Low confidence in 
  accumulations due to dramatically fluctuating snow levels. 

* LOCATIONS...Elevations primarily above 6000 feet, including 
  Pine Creek Pass, Fish Creek Summit, Georgetown Summit, and the 
  Island Park area. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter weather advisory for 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.

&&

$$
305 
WWUS45 KPIH 161845
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
1245 PM MDT Tue May 16 2017

IDZ018-031-032-171000-
/O.CON.KPIH.WS.W.0013.000000T0000Z-170518T0000Z/
Sawtooth Mountains-Big and Little Wood River Region-
Lost River/Pahsimeroi-
Including the cities of Stanley, Clayton, Hailey, Ketchum, 
Bellevue, Arco, Challis, and Mackay
1245 PM MDT Tue May 16 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT
WEDNESDAY...

* IMPACTS...Accumulating snow may create hazardous travel 
  conditions especially over mountain passes. Backcountry travel 
  and recreation may become dangerous. 

* TIMING...Accumulating snow will begin late this afternoon and 
  continue through Wednesday, becoming heavy at times this 
  evening in the mountains. 

* SNOW ACCUMULATIONS...Storm total through Wednesday afternoon of
  4 to 10 inches above 6000 feet and 1 to 3 inches in the 
  mountain valleys. 

* CONFIDENCE...High confidence in timing. Low confidence in 
  accumulations due to dramatically fluctuating snow levels. 

* LOCATIONS...Elevations primarily above 6000 feet, including
  Galena Summit. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter storm warning means significant amounts of snow are
expected. Strong winds are also possible which may make travel
hazardous at times.

&&

$$

IDZ019-022-023-025-171000-
/O.CON.KPIH.WW.Y.0025.170517T0000Z-170518T0000Z/
Upper Snake Highlands-South Central Highlands-Caribou Highlands-
Wasatch Mountains/Idaho Portion-
Including the cities of St. Anthony, Ashton, Island Park, Driggs,
Victor, Malad City, Oakley, Rockland, Henry, Soda Springs, 
Downey, Lava Hot Springs, and Montpelier
1245 PM MDT Tue May 16 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 6 PM MDT WEDNESDAY...

* IMPACTS...Accumulating snow may create difficult travel 
  conditions especially over mountain passes. Backcountry travel 
  and recreation may become dangerous. 

* TIMING...Accumulating snow will begin later this evening and 
  continue through Wednesday, becoming heavy at times late 
  tonight. 

* SNOW ACCUMULATIONS...Storm total through Wednesday afternoon of
  4 to 9 inches above 6000 feet and 1 to 3 inches in the mountain
  valleys. 

* CONFIDENCE...High confidence in timing. Low confidence in 
  accumulations due to dramatically fluctuating snow levels. 

* LOCATIONS...Elevations primarily above 6000 feet, including 
  Pine Creek Pass, Fish Creek Summit, Georgetown Summit, and the 
  Island Park area. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter weather advisory for 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.

&&

$$
474 
WWUS45 KPIH 170827
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
227 AM MDT Wed May 17 2017

IDZ018-031-032-180000-
/O.CON.KPIH.WS.W.0013.000000T0000Z-170518T0000Z/
Sawtooth Mountains-Big and Little Wood River Region-
Lost River/Pahsimeroi-
Including the cities of Stanley, Clayton, Hailey, Ketchum, 
Bellevue, Arco, Challis, and Mackay
227 AM MDT Wed May 17 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* IMPACTS...Accumulating snow may create hazardous travel 
  conditions especially over mountain passes. Backcountry travel 
  and recreation may become dangerous. 

* TIMING...Periods of accumulating snow will begin late this
  afternoon and continue through today, possibly heavy at times
  this afternoon in the mountains. 

* SNOW ACCUMULATIONS...Additional snowfall accumulations through
  this afternoon of 3 to 6 inches above 6000 feet and 1 to 3 
  inches in the mountain valleys. 

* CONFIDENCE...High confidence in timing. Low confidence in
  accumulations due to dramatically fluctuating snow levels and
  uncertainty in exact locations of heaviest snow.
 
* LOCATIONS...Elevations primarily above 6000 feet, including Galena
  Summit. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter storm warning means significant amounts of snow are
expected. Strong winds are also possible which may make travel
hazardous at times.

&&

$$

IDZ019-022-023-025-180000-
/O.CON.KPIH.WW.Y.0025.000000T0000Z-170518T0000Z/
Upper Snake Highlands-South Central Highlands-Caribou Highlands-
Wasatch Mountains/Idaho Portion-
Including the cities of St. Anthony, Ashton, Island Park, Driggs,
Victor, Malad City, Oakley, Rockland, Henry, Soda Springs, 
Downey, Lava Hot Springs, and Montpelier
227 AM MDT Wed May 17 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* IMPACTS...Accumulating snow may create difficult travel 
  conditions especially over mountain passes. Backcountry travel 
  and recreation may become dangerous. 

* TIMING...Accumulating snow will continue this morning, possibly
  heavy at times. A break in activity is possible late this
  morning into early afternoon with additional snow showers
  developing later this afternoon.

* SNOW ACCUMULATIONS...Storm total through this afternoon of 2 to
  8 inches above 6000 feet and 1 to 3 inches in the mountain 
  valleys. 

* CONFIDENCE...High confidence in timing. Low confidence in 
  accumulations due to dramatically fluctuating snow levels. 

* LOCATIONS...Elevations primarily above 6000 feet, including Pine
  Creek Pass, Fish Creek Summit, Georgetown Summit, and the Island
  Park area. Heaviest amounts are expected in the Island Park and
  Emigration Pass areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter weather advisory for 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.

&&

$$
971 
WWUS45 KPIH 171856
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
1256 PM MDT Wed May 17 2017

IDZ018-031-032-180300-
/O.CAN.KPIH.WS.W.0013.000000T0000Z-170518T0000Z/
/O.EXB.KPIH.WW.Y.0025.000000T0000Z-170518T0300Z/
Sawtooth Mountains-Big and Little Wood River Region-
Lost River/Pahsimeroi-
Including the cities of Stanley, Clayton, Hailey, Ketchum, 
Bellevue, Arco, Challis, and Mackay
1256 PM MDT Wed May 17 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 PM MDT THIS
EVENING...
...WINTER STORM WARNING IS CANCELLED...

The National Weather Service in Pocatello has issued a Winter
Weather Advisory for snow, which is in effect until 9 PM MDT this
evening. The Winter Storm Warning has been cancelled. 

* IMPACTS...Light accumulating snow may create difficult travel
  conditions especially over mountain passes. Backcountry travel
  and recreation may remain dangerous. 

* TIMING...Accumulating snow will continue this evening before
  tapering off later tonight. 

* SNOW ACCUMULATIONS...Additional accumulation of 2 to 4 inches is
  expected above 6000 feet MSL through this evening. An inch or
  less is likely in the valleys below 6000 feet. 

* LOCATIONS...Elevations primarily above 6000 feet, including
  Galena Summit.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter weather advisory for 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.

&&

$$

IDZ019-022-180300-
/O.EXT.KPIH.WW.Y.0025.000000T0000Z-170518T0300Z/
Upper Snake Highlands-South Central Highlands-
Including the cities of St. Anthony, Ashton, Island Park, Driggs,
Victor, Malad City, Oakley, and Rockland
1256 PM MDT Wed May 17 2017

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* IMPACTS...Accumulating snow may create difficult travel
  conditions especially over mountain passes. Backcountry travel
  and recreation may remain dangerous. 

* TIMING...Accumulating snow will continue through this evening
  before tapering off overnight.

* SNOW ACCUMULATIONS...Additional accumulation of 1 to 3 inches 
  is expected above 6000 feet MSL with an inch or less possible in
  the valleys below 6000 feet.

* LOCATIONS...Elevations primarily above 6000 feet, including
  Island Park. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter weather advisory for 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.

&&

$$

IDZ023-025-180300-
/O.EXT.KPIH.WW.Y.0025.000000T0000Z-170518T0300Z/
Caribou Highlands-Wasatch Mountains/Idaho Portion-
Including the cities of Henry, Soda Springs, Downey, 
Lava Hot Springs, and Montpelier
1256 PM MDT Wed May 17 2017

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* IMPACTS...Accumulating snow may create difficult travel
  conditions especially over mountain passes. Backcountry travel
  and recreation may remain dangerous. 

* TIMING...Accumulating snow will continue through this evening
  before tapering off. 

* SNOW ACCUMULATIONS...Additional accumulation of 1 to 3 inches is
  likely above 6000 feet MSL this evening with an inch or less
  anticipated in the valleys below 6000 feet.

* LOCATIONS...Elevations primarily above 6000 feet, including Pine
  Creek Pass, Fish Creek Summit, and Georgetown Summit. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter weather advisory for 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.

&&

$$

The office that day

Everything else NWS Pocatello, ID issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 15, 1:50 PM MDTWinter Weather AdvisoryPIH55 hr

Nearby

Winter Storm Warnings in Idaho, 2017Every winter storm warning in 2017

Sources

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