Alert archive / Idaho / Lake Wind Advisories in 2020

Lake Wind Advisory 21, NWS Pocatello, ID

September 5, 2020Bannock County, Bingham County, Power County, Idaho

NWS Pocatello, ID issued this lake wind advisory at Sep 5, 2020, 2:11 AM MDT for Bannock County, Bingham County, Power County, Idaho. It took effect at Sep 6, 2020, 10:00 AM MDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Sep 5, 2020, 2:11 AM MDT (08:11 UTC)
In effect from
Sep 6, 2020, 10:00 AM MDT
Expired
Sep 6, 2020, 7:19 PM MDT
In force
9 hr
Issued by
NWS Pocatello, ID

Counties Bannock County, ID, Bingham County, ID, Power County, ID

The radar

The Pocatello radar (KSFX), 32 km from the middle of the area, began a volume at 08:13 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 00:00Z, 8.2 hours before the alert went out and 236 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Salt Lake City I, UT at 00:00Z on 2020-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Salt Lake City I, UT at 00:00Z on 2020-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3914 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
-9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

096 
WWUS75 KPIH 050811
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
211 AM MDT Sat Sep 5 2020

IDZ054-060300-
/O.NEW.KPIH.LW.Y.0021.200906T1600Z-200907T0300Z/
/O.CON.KPIH.HT.Y.0003.200905T1400Z-200906T0300Z/
Lower Snake River Plain-
Including the cities of Pocatello, Blackfoot, American Falls, 
Shelley, and Fort Hall
211 AM MDT Sat Sep 5 2020

...HEAT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 9 PM
MDT THIS EVENING...
...LAKE WIND ADVISORY IN EFFECT FROM 10 AM TO 9 PM MDT SUNDAY...

* WHAT...For the Lake Wind Advisory, west winds 15 to 25 mph with
  gusts up to 40 mph expected. For the Heat Advisory, high
  temperature of 96 to 101 degrees expected.

* WHERE...The Lower Snake River Plain including Pocatello,
  American Falls and Blackfoot.

* WHEN...For the Lake Wind Advisory, from 10 AM to 9 PM MDT 
  Sunday. For the Heat Advisory, from 8 AM this morning to 9 PM 
  MDT this evening.

* IMPACTS...Strong winds and rough waves on American Falls
  Reservoir will create hazardous conditions for small craft. Hot
  temperatures and high humidity may cause heat illnesses to 
  occur.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Boaters on American Falls Reservoir should use extra caution 
since strong winds and rough waves can overturn small craft.

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

IDZ051>053-055>059-075-060300-
/O.CON.KPIH.HT.Y.0003.200905T1400Z-200906T0300Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Upper Snake River Plain-
Eastern Magic Valley-Southern Hills/Albion Mountains-
Raft River Region-Marsh and Arbon Highlands-
Franklin/Eastern Oneida Region-Wood River Foothills-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Idaho Falls, Rexburg, St. Anthony, 
Burley, Rupert, Heyburn, Oakley, Albion, Almo, Malta, Rockland, 
Holbrook, Inkom, McCammon, Downey, Lava Hot Springs, Malad, 
Preston, Thatcher, Hailey, Bellevue, and Picabo
211 AM MDT Sat Sep 5 2020

...HEAT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 9 PM
MDT THIS EVENING...

* WHAT...High temperatures of 96 to 101 degrees.

* WHERE...The Upper Snake Plain, Raft River Region, Wood River 
  Foothills and the Shoshone Area including the cities of Idaho 
  Falls, Rexburg, St. Anthony, Carey, Malta, Rockland, Lava Hot 
  Springs, Inkom, Preston, Hailey and Bellevue.

* WHEN...Peak temperatures are expected from 2 PM to 7 PM.

* IMPACTS...Over the Labor Day Weekend, take extra care to 
  prevent heat illnesses from occurring.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/pocatello
5 follow-up statements
501 
WWUS75 KPIH 051945
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
145 PM MDT Sat Sep 5 2020

IDZ054-060345-
/O.NEW.KPIH.HW.A.0002.200907T2000Z-200908T0600Z/
/O.CON.KPIH.HT.Y.0003.000000T0000Z-200906T0300Z/
/O.CON.KPIH.LW.Y.0021.200906T1600Z-200907T0300Z/
Lower Snake River Plain-
Including the cities of Pocatello, Blackfoot, American Falls, 
Shelley, and Fort Hall
145 PM MDT Sat Sep 5 2020

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...
...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 10 AM TO 9 PM MDT
SUNDAY...
...HIGH WIND WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY
EVENING...

* WHAT...For the Heat Advisory, high temperatures of 96 to 101.
  For the Lake Wind Advisory, west winds 15 to 25 mph with gusts
  up to 40 mph expected. For the High Wind Watch, northwest winds
  40 to 50 mph.

* WHERE...Pocatello, American Falls, and Blackfoot.

* WHEN...For the Heat Advisory, until 9 PM MDT this evening. For 
  the Lake Wind Advisory, from 10 AM to 9 PM MDT Sunday. For the 
  High Wind Watch, from Monday afternoon through Monday evening.

* IMPACTS...Rough chop is possible on the American Falls
  Reservoir. Damaging winds could blow down trees and power lines.
  Widespread power outages are possible. Travel could be
  difficult, especially for high profile vehicles. Hot
  temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

IDZ051>053-055>059-075-060345-
/O.NEW.KPIH.HW.A.0002.200907T2000Z-200908T0600Z/
/O.CON.KPIH.HT.Y.0003.000000T0000Z-200906T0300Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Upper Snake River Plain-
Eastern Magic Valley-Southern Hills/Albion Mountains-
Raft River Region-Marsh and Arbon Highlands-
Franklin/Eastern Oneida Region-Wood River Foothills-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Idaho Falls, Rexburg, St. Anthony, 
Burley, Rupert, Heyburn, Oakley, Albion, Almo, Malta, Rockland, 
Holbrook, Inkom, McCammon, Downey, Lava Hot Springs, Malad, 
Preston, Thatcher, Hailey, Bellevue, and Picabo
145 PM MDT Sat Sep 5 2020

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...
...HIGH WIND WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY
EVENING...

* WHAT...For the Heat Advisory, high temperatures of 96 to 101
  degrees. For the High Wind Watch, northwest winds 30 to 40 mph
  with gusts up to 50 mph possible.

* WHERE....The Upper Snake Plain, Raft River Region, Wood River 
  Foothills and the Shoshone Area including the cities of Idaho 
  Falls, Rexburg, St. Anthony, Carey, Malta, Rockland, Lava Hot 
  Springs, Inkom, Preston, Hailey and Bellevue.

* WHEN...For the Heat Advisory, until 9 PM MDT this evening. For 
  the High Wind Watch, from Monday afternoon through Monday 
  evening.

* IMPACTS...Damaging winds could blow down trees and power lines.
  Widespread power outages are possible. Travel could be
  difficult, especially for high profile vehicles. Hot
  temperatures may cause heat illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

IDZ060>071-074-060345-
/O.NEW.KPIH.HW.A.0002.200907T2000Z-200908T0600Z/
Bear River Range-Bear Lake Valley-Blackfoot Mountains-
Caribou Range-Big Hole Mountains-Teton Valley-
Centennial Mountains - Island Park-Beaverhead - Lemhi Highlands-
Lost River Valley-Lost River Range-Challis/Pahsimeroi Valleys-
Frank Church Wilderness-Big Lost Highlands/Copper Basin-
Including the cities of Emigration Summit, St. Charles, 
Montpelier, Georgetown, Grace, Soda Springs, Henry, Bone, Wayan, 
Swan Valley, Victor, Ashton, Tetonia, Driggs, Island Park, 
Kilgore, Dubois, Spencer, Edie School, Small, Howe, Arco, Mackay,
Chilly, Borah Peak, Challis, Clayton, and Copper Basin
145 PM MDT Sat Sep 5 2020

...HIGH WIND WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY
EVENING...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 50 mph 
  possible.

* WHERE...Island Park, Challis, Mackay, Arco, Dubois, Tetonia,
  Driggs, Ashton, Soda Springs, Montpelier.

* WHEN...From Monday afternoon through Monday evening.

* IMPACTS...Damaging winds could blow down trees and power 
  lines. Widespread power outages are possible. Travel could be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/pocatello
233 
WWUS75 KPIH 060258
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
858 PM MDT Sat Sep 5 2020

IDZ054-061200-
/O.CAN.KPIH.HT.Y.0003.000000T0000Z-200906T0300Z/
/O.CON.KPIH.LW.Y.0021.200906T1600Z-200907T0300Z/
/O.CON.KPIH.HW.A.0002.200907T2000Z-200908T0600Z/
Lower Snake River Plain-
Including the cities of Pocatello, Blackfoot, American Falls, 
Shelley, and Fort Hall
858 PM MDT Sat Sep 5 2020

...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 10 AM TO 9 PM MDT
SUNDAY...
...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON
THROUGH MONDAY EVENING...
...HEAT ADVISORY IS CANCELLED...

* WHAT...For the Lake Wind Advisory, west winds 15 to 25 mph with
  gusts up to 40 mph expected. For the High Wind Watch, northwest
  winds 40 to 50 mph.

* WHERE...Pocatello, American Falls, and Blackfoot.

* WHEN...For the Lake Wind Advisory, from 10 AM to 9 PM MDT 
  Sunday. For the High Wind Watch, from Monday afternoon through 
  Monday evening.

* IMPACTS...Rough chop is possible on the American Falls
  Reservoir. Damaging winds could blow down trees and power lines.
  Widespread power outages are possible. Travel could be
  difficult, especially for high profile vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

IDZ051>053-055>059-075-061200-
/O.CAN.KPIH.HT.Y.0003.000000T0000Z-200906T0300Z/
/O.CON.KPIH.HW.A.0002.200907T2000Z-200908T0600Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Upper Snake River Plain-
Eastern Magic Valley-Southern Hills/Albion Mountains-
Raft River Region-Marsh and Arbon Highlands-
Franklin/Eastern Oneida Region-Wood River Foothills-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Idaho Falls, Rexburg, St. Anthony, 
Burley, Rupert, Heyburn, Oakley, Albion, Almo, Malta, Rockland, 
Holbrook, Inkom, McCammon, Downey, Lava Hot Springs, Malad, 
Preston, Thatcher, Hailey, Bellevue, and Picabo
858 PM MDT Sat Sep 5 2020

...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON
THROUGH MONDAY EVENING...
...HEAT ADVISORY IS CANCELLED...

* WHAT...For the High Wind Watch, northwest winds 30 to 40 mph 
  with gusts up to 50 mph possible.

* WHERE...The Upper Snake Plain, Raft River Region, Wood River
  Foothills and the Shoshone Area including the cities of Idaho
  Falls, Rexburg, St. Anthony, Carey, Malta, Rockland, Lava Hot
  Springs, Inkom, Preston, Hailey and Bellevue.

* WHEN...From Monday afternoon through Monday evening.

* IMPACTS...Damaging winds could blow down trees and power lines.
  Widespread power outages are possible. Travel could be
  difficult, especially for high profile vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

IDZ060>071-074-061200-
/O.CON.KPIH.HW.A.0002.200907T2000Z-200908T0600Z/
Bear River Range-Bear Lake Valley-Blackfoot Mountains-
Caribou Range-Big Hole Mountains-Teton Valley-
Centennial Mountains - Island Park-Beaverhead - Lemhi Highlands-
Lost River Valley-Lost River Range-Challis/Pahsimeroi Valleys-
Frank Church Wilderness-Big Lost Highlands/Copper Basin-
Including the cities of Emigration Summit, St. Charles, 
Montpelier, Georgetown, Grace, Soda Springs, Henry, Bone, Wayan, 
Swan Valley, Victor, Ashton, Tetonia, Driggs, Island Park, 
Kilgore, Dubois, Spencer, Edie School, Small, Howe, Arco, Mackay,
Chilly, Borah Peak, Challis, Clayton, and Copper Basin
858 PM MDT Sat Sep 5 2020

...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON
THROUGH MONDAY EVENING...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 50 mph 
  possible.

* WHERE...Island Park, Challis, Mackay, Arco, Dubois, Tetonia, 
  Driggs, Ashton, Soda Springs, Montpelier.

* WHEN...From Monday afternoon through Monday evening.

* IMPACTS...Damaging winds could blow down trees and power 
  lines. Widespread power outages are possible. Travel could be 
  difficult, especially for high profile vehicles.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/pocatello
091 
WWUS75 KPIH 060839
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
239 AM MDT Sun Sep 6 2020

IDZ054-062100-
/O.CON.KPIH.LW.Y.0021.200906T1600Z-200907T0300Z/
/O.CON.KPIH.HW.A.0002.200907T2000Z-200908T0600Z/
Lower Snake River Plain-
Including the cities of Pocatello, Blackfoot, American Falls, 
Shelley, and Fort Hall
239 AM MDT Sun Sep 6 2020

...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 9 PM MDT THIS EVENING...
...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON
THROUGH MONDAY EVENING...

* WHAT...For the Lake Wind Advisory, west winds 15 to 25 mph 
  with gusts up to 40 mph expected. For the High Wind Watch, 
  northwest winds 40 to 50 mph.

* WHERE...Pocatello, American Falls, and Blackfoot.

* WHEN...For the Lake Wind Advisory, from 10 AM to 9 PM MDT 
  Sunday. For the High Wind Watch, from Monday afternoon through 
  Monday evening.

* IMPACTS...Rough chop is possible on the American Falls 
  Reservoir. Damaging winds could blow down trees and power 
  lines. Widespread power outages are possible. Travel could be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

IDZ052-053-062100-
/O.NEW.KPIH.FZ.A.0001.200908T0900Z-200908T1600Z/
/O.CON.KPIH.HW.A.0002.200907T2000Z-200908T0600Z/
Arco/Mud Lake Desert-Upper Snake River Plain-
Including the cities of Mud Lake, INL, Craters of the Moon NM, 
Idaho Falls, Rexburg, and St. Anthony
239 AM MDT Sun Sep 6 2020

...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON
THROUGH MONDAY EVENING...
...FREEZE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
MORNING...

* WHAT...For the Freeze Watch, sub-freezing temperatures as low as
  30 degrees possible. For the High Wind Watch, north winds 30 to
  40 mph with gusts up to 50 mph possible.

* WHERE...Arco/Mud Lake Desert-Upper Snake River Plain- Including
  the cities of Mud Lake, INL, Craters of the Moon NM, Idaho
  Falls, Rexburg, and St. Anthony.

* WHEN...For the Freeze Watch, from late Monday night through 
  Tuesday morning. For the High Wind Watch, from Monday 
  afternoon through Monday evening.

* IMPACTS...Damaging winds could blow down trees and power 
  lines. Widespread power outages are possible. Travel could be 
  difficult, especially for high profile vehicles. Frost and 
  freeze conditions could kill crops, other sensitive vegetation 
  and possibly damage unprotected outdoor plumbing.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

IDZ051-055>071-074-075-062100-
/O.CON.KPIH.HW.A.0002.200907T2000Z-200908T0600Z/
Shoshone/Lava Beds-Eastern Magic Valley-
Southern Hills/Albion Mountains-Raft River Region-
Marsh and Arbon Highlands-Franklin/Eastern Oneida Region-
Bear River Range-Bear Lake Valley-Blackfoot Mountains-
Caribou Range-Big Hole Mountains-Teton Valley-
Centennial Mountains - Island Park-Beaverhead - Lemhi Highlands-
Lost River Valley-Lost River Range-Challis/Pahsimeroi Valleys-
Frank Church Wilderness-Big Lost Highlands/Copper Basin-
Wood River Foothills-
Including the cities of Shoshone, Richfield, Carey, Burley, 
Rupert, Heyburn, Oakley, Albion, Almo, Malta, Rockland, Holbrook,
Inkom, McCammon, Downey, Lava Hot Springs, Malad, Preston, 
Thatcher, Emigration Summit, St. Charles, Montpelier, Georgetown,
Grace, Soda Springs, Henry, Bone, Wayan, Swan Valley, Victor, 
Ashton, Tetonia, Driggs, Island Park, Kilgore, Dubois, Spencer, 
Edie School, Small, Howe, Arco, Mackay, Chilly, Borah Peak, 
Challis, Clayton, Copper Basin, Hailey, Bellevue, and Picabo
239 AM MDT Sun Sep 6 2020

...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON
THROUGH MONDAY EVENING...

* WHAT...Northwest winds 30 to 40 mph with gusts up to 50 mph 
  possible.

* WHERE...The Upper Snake Plain, Raft River Region, Wood River 
  Foothills and the Shoshone Area including the cities of Idaho 
  Falls, Rexburg, St. Anthony, Carey, Malta, Rockland, Lava Hot 
  Springs, Inkom, Preston, Hailey and Bellevue.

* WHEN...From Monday afternoon through Monday evening.

* IMPACTS...Damaging winds could blow down trees and power 
  lines. Widespread power outages are possible. Travel could be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/pocatello
580 
WWUS75 KPIH 061942
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
142 PM MDT Sun Sep 6 2020

IDZ052-053-070500-
/O.UPG.KPIH.HW.A.0002.200907T2000Z-200908T0600Z/
/O.NEW.KPIH.HW.W.0002.200907T2000Z-200908T0500Z/
/O.CON.KPIH.FZ.A.0001.200908T0900Z-200908T1600Z/
Arco/Mud Lake Desert-Upper Snake River Plain-
Including the cities of Mud Lake, INL, Craters of the Moon NM, 
Idaho Falls, Rexburg, and St. Anthony
142 PM MDT Sun Sep 6 2020

...HIGH WIND WARNING IN EFFECT FROM 2 PM TO 11 PM MDT MONDAY...
...FREEZE WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT THROUGH
TUESDAY MORNING...

* WHAT...For the High Wind Warning, north winds 30 to 40 mph with
  gusts exceeding 55 mph expected. For the Freeze Watch, sub-
  freezing temperatures as low as 30 possible.

* WHERE...Mud Lake, Idaho National Labs, Idaho Falls, Ammon, Rexburg,
  Rigby, St. Anthony.

* WHEN...For the High Wind Warning, from 2 PM to 11 PM MDT 
  Monday. For the Freeze Watch, from late Monday night through 
  Tuesday morning.

* IMPACTS...Damaging winds may blow down trees and power lines.
  Widespread power outages are possible. Travel will be difficult,
  especially for high profile vehicles. Freeze conditions could 
  kill crops, other sensitive vegetation and possibly damage 
  unprotected outdoor plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

IDZ054-070500-
/O.UPG.KPIH.HW.A.0002.200907T2000Z-200908T0600Z/
/O.NEW.KPIH.HW.W.0002.200907T2000Z-200908T0500Z/
/O.CON.KPIH.LW.Y.0021.000000T0000Z-200907T0300Z/
Lower Snake River Plain-
Including the cities of Pocatello, Blackfoot, American Falls, 
Shelley, and Fort Hall
142 PM MDT Sun Sep 6 2020

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...
...HIGH WIND WARNING IN EFFECT FROM 2 PM TO 11 PM MDT MONDAY...

* WHAT...For the High Wind Warning, north winds 30 to 40 mph with
  gusts exceeding 55 mph expected. For the Lake Wind Advisory, 
  west winds 10 to 20 mph with gusts up to 35 mph.

* WHERE...American Falls Reservoir, American Falls, Aberdeen,
  Blackfoot, Fort Hall, Pocatello.

* WHEN...For the High Wind Warning, from 2 PM to 11 PM MDT 
  Monday. For the Lake Wind Advisory, until 9 PM MDT this 
  evening.

* IMPACTS...Rough chop is likely on American Falls Reservoir.
  Damaging winds could blow down trees and power lines. Widespread
  power outages are possible. Travel will be difficult, 
  especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

IDZ067-070500-
/O.UPG.KPIH.HW.A.0002.200907T2000Z-200908T0600Z/
/O.NEW.KPIH.HW.W.0002.200907T2000Z-200908T0500Z/
Beaverhead - Lemhi Highlands-
Including the cities of Dubois, Spencer, Edie School, and Small
142 PM MDT Sun Sep 6 2020

...HIGH WIND WARNING IN EFFECT FROM 2 PM TO 11 PM MDT MONDAY...

* WHAT...North winds 25 to 35 mph with gusts exceeding 55 mph 
  expected.

* WHERE...Dubois, Spencer.

* WHEN...From 2 PM to 11 PM MDT Monday.

* IMPACTS...Damaging winds could blow down trees and power lines.
  Widespread power outages are possible. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

IDZ051-055>066-068>071-074-075-070500-
/O.UPG.KPIH.HW.A.0002.200907T2000Z-200908T0600Z/
/O.NEW.KPIH.WI.Y.0022.200907T2000Z-200908T0500Z/
Shoshone/Lava Beds-Eastern Magic Valley-
Southern Hills/Albion Mountains-Raft River Region-
Marsh and Arbon Highlands-Franklin/Eastern Oneida Region-
Bear River Range-Bear Lake Valley-Blackfoot Mountains-
Caribou Range-Big Hole Mountains-Teton Valley-
Centennial Mountains - Island Park-Lost River Valley-
Lost River Range-Challis/Pahsimeroi Valleys-
Frank Church Wilderness-Big Lost Highlands/Copper Basin-
Wood River Foothills-
Including the cities of Shoshone, Richfield, Carey, Burley, 
Rupert, Heyburn, Oakley, Albion, Almo, Malta, Rockland, Holbrook,
Inkom, McCammon, Downey, Lava Hot Springs, Malad, Preston, 
Thatcher, Emigration Summit, St. Charles, Montpelier, Georgetown,
Grace, Soda Springs, Henry, Bone, Wayan, Swan Valley, Victor, 
Ashton, Tetonia, Driggs, Island Park, Kilgore, Howe, Arco, 
Mackay, Chilly, Borah Peak, Challis, Clayton, Copper Basin, 
Hailey, Bellevue, and Picabo
142 PM MDT Sun Sep 6 2020

...WIND ADVISORY IN EFFECT FROM 2 PM TO 11 PM MDT MONDAY...

* WHAT...North winds 20 to 30 mph with gusts up to 55 mph 
  expected.

* WHERE...Shoshone, Richfield, Carey, Burley, Oakley, Rockland,
  Inkom, McCammon, Lava Hot Springs, Malad, Preston, Montpelier,
  Soda Springs, Ashton, Tetonia, Driggs, Island Park, Arco, Howe,
  Mackay, Challis, Hailey, Bellevue.

* WHEN...From 2 PM to 11 PM MDT Monday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/pocatello
946 
WWUS75 KPIH 070119
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
719 PM MDT Sun Sep 6 2020

IDZ054-071200-
/O.CAN.KPIH.LW.Y.0021.000000T0000Z-200907T0300Z/
/O.CON.KPIH.HW.W.0002.200907T2000Z-200908T0500Z/
Lower Snake River Plain-
Including the cities of Pocatello, Blackfoot, American Falls, 
Shelley, and Fort Hall
719 PM MDT Sun Sep 6 2020

...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 PM TO 11 PM MDT
MONDAY...
...LAKE WIND ADVISORY IS CANCELLED...

* WHAT...For the High Wind Warning, north winds 30 to 40 mph with
  gusts exceeding 55 mph expected.

* WHERE...American Falls Reservoir, American Falls, Aberdeen,
  Blackfoot, Fort Hall, Pocatello.

* WHEN...From 2 PM to 11 PM MDT Monday.

* IMPACTS...Damaging winds could blow down trees and power 
  lines. Widespread power outages are possible. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

IDZ052-053-071200-
/O.CON.KPIH.HW.W.0002.200907T2000Z-200908T0500Z/
/O.CON.KPIH.FZ.A.0001.200908T0900Z-200908T1600Z/
Arco/Mud Lake Desert-Upper Snake River Plain-
Including the cities of Mud Lake, INL, Craters of the Moon NM, 
Idaho Falls, Rexburg, and St. Anthony
719 PM MDT Sun Sep 6 2020

...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 PM TO 11 PM MDT
MONDAY...
...FREEZE WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT THROUGH
TUESDAY MORNING...

* WHAT...For the High Wind Warning, north winds 30 to 40 mph with
  gusts exceeding 55 mph expected. For the Freeze Watch, sub-freezing
  temperatures as low as 30 possible.

* WHERE...Mud Lake, Idaho National Labs, Idaho Falls, Ammon, 
  Rexburg, Rigby, St. Anthony.

* WHEN...For the High Wind Warning, from 2 PM to 11 PM MDT 
  Monday. For the Freeze Watch, from late Monday night through 
  Tuesday morning.

* IMPACTS...Damaging winds may blow down trees and power lines. 
  Widespread power outages are possible. Travel will be 
  difficult, especially for high profile vehicles. Freeze 
  conditions could kill crops, other sensitive vegetation and 
  possibly damage unprotected outdoor plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

IDZ067-071200-
/O.CON.KPIH.HW.W.0002.200907T2000Z-200908T0500Z/
Beaverhead - Lemhi Highlands-
Including the cities of Dubois, Spencer, Edie School, and Small
719 PM MDT Sun Sep 6 2020

...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 PM TO 11 PM MDT
MONDAY...

* WHAT...North winds 25 to 35 mph with gusts exceeding 55 mph 
  expected.

* WHERE...Dubois, Spencer.

* WHEN...From 2 PM to 11 PM MDT Monday.

* IMPACTS...Damaging winds could blow down trees and power 
  lines. Widespread power outages are possible. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

IDZ051-055>066-068>071-074-075-071200-
/O.CON.KPIH.WI.Y.0022.200907T2000Z-200908T0500Z/
Shoshone/Lava Beds-Eastern Magic Valley-
Southern Hills/Albion Mountains-Raft River Region-
Marsh and Arbon Highlands-Franklin/Eastern Oneida Region-
Bear River Range-Bear Lake Valley-Blackfoot Mountains-
Caribou Range-Big Hole Mountains-Teton Valley-
Centennial Mountains - Island Park-Lost River Valley-
Lost River Range-Challis/Pahsimeroi Valleys-
Frank Church Wilderness-Big Lost Highlands/Copper Basin-
Wood River Foothills-
Including the cities of Shoshone, Richfield, Carey, Burley, 
Rupert, Heyburn, Oakley, Albion, Almo, Malta, Rockland, Holbrook,
Inkom, McCammon, Downey, Lava Hot Springs, Malad, Preston, 
Thatcher, Emigration Summit, St. Charles, Montpelier, Georgetown,
Grace, Soda Springs, Henry, Bone, Wayan, Swan Valley, Victor, 
Ashton, Tetonia, Driggs, Island Park, Kilgore, Howe, Arco, 
Mackay, Chilly, Borah Peak, Challis, Clayton, Copper Basin, 
Hailey, Bellevue, and Picabo
719 PM MDT Sun Sep 6 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 2 PM TO 11 PM MDT
MONDAY...

* WHAT...North winds 20 to 30 mph with gusts up to 55 mph 
  expected.

* WHERE...Shoshone, Richfield, Carey, Burley, Oakley, Rockland, 
  Inkom, McCammon, Lava Hot Springs, Malad, Preston, Montpelier, 
  Soda Springs, Ashton, Tetonia, Driggs, Island Park, Arco, 
  Howe, Mackay, Challis, Hailey, Bellevue.

* WHEN...From 2 PM to 11 PM MDT Monday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/pocatello

What forecasters said that day

The local office's own words before this lake wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pocatello, ID wrote its last area forecast discussion before this lake wind advisory went out at Sep 4, 2:28 PM MDT, 11 hours 43 minutes earlier.

Area forecast discussion, Sep 4, 2:28 PM MDT, 11 hours 43 minutes before
Area Forecast Discussion
National Weather Service Pocatello ID
228 PM MDT Fri Sep 4 2020

.SHORT TERM...Tonight through Sunday...Skies are looking quite
clear with no rain or thunderstorms to be found. Hot, dry and
windy conditions are expected for most of this upcoming weekend.
Strong winds are expected to develop during the afternoon hours
tomorrow afternoon and again Sunday afternoon for most of
Southeast Idaho; meanwhile temperatures will begin soaring into
the mid 90s to around 100 degrees. Heat Advisories are in effect
for several areas during peak heat hours tomorrow as a result.
While recreation on area lakes may look pleasant for most people
this weekend, don't forget about the wind and the chop it can
build up. Each afternoon looks windy; but Monday in particular
just looks downright dangerous. We are holding off on issuing a
Lake Wind Advisory for American Falls Reservoir at this time but
be mindful there may be one issued.
ND

.LONG TERM...Monday through Friday...A very potent upper trough with
strong cold front is expected to swing through the area early next
week. MEX guidance continues to show very strong winds at the
surface, a 30 degree temperature drop and snow at higher elevations.
A weather change that checks the Fall Season "check boxes"
indeed. At this time, the snow in the forecast in confined to
Eastern Idaho areas, particularly areas that border Montana and
Wyoming. Conditions begin to relax Wednesday and Thursday with
temperatures gradually rebounding while high pressure build back
into the region. ND

&&
.FIRE WEATHER...A ridge of high pressure is continuing to expand
across the region today and will bring near record warmth to a good
portion of SE Idaho. A weak low pressure system located off the
Oregon coast will move over the high pressure ridge Saturday morning
helping to suppress the ridge development Saturday afternoon as
daytime highs soar to record levels. Also, expecting widespread
Haines of 6 across the area today and tomorrow.  The break down of
the high pressure ridge will allow gusty west winds to mix into the
Central mountains and Snake River Plain where a Red Flag is now in
place for zones 422, 475, 476, 410 and 425 during the afternoon and
evening hours. Zone 411 across the Montana Divide was added to the
warning though the gustier winds will be mostly for the western
portion of this zone. Additional energy from the low pressure system
will move over the ridge Saturday night into Sunday, diving
southeast into the upper mid-west and bringing more wind to the
Snake River Plain and Southern mountains where a second Red Flag is
now in place covering zones 410, 413, 425, and 427. The ridge
weakens and dissipates completely Monday as a strong low pressure
system drops south across WRN Canada bringing a chance of
precipitation, strong northerly winds, and cooler conditions to the
region Monday night into Tuesday.  Over the latter half of the week,
the high pressure ridge builds back in along the west coast as a dry
and mild Northwest flow develops over SE Idaho.
Wyatt

&&

.AVIATION...Expect continued VFR conditions and overall light winds
through tomorrow morning under strong high pressure ridging. The
high pressure riding starts to weaken as trough approaches from the
north by Saturday afternoon. Winds will start to increase by
Saturday afternoon for all TAF sites.
Wyatt

&&

.AIR STAGNATION...Areas of smoke and haze look enter the region from
regional fires from the north and west tomorrow afternoon and
linger across our area through the remainder of this Labor Day
Weekend. Areas of denser smoke look to be likely in portions of
East Idaho, similar to about a week ago.
ND

&&

.PIH WATCHES/WARNINGS/ADVISORIES...
Red Flag Warning from noon to 9 PM MDT Saturday for IDZ410-411-
422-425-475-476.

Red Flag Warning from noon to 9 PM MDT Sunday for IDZ410-413-425-
427.

Heat Advisory from 8 AM to 9 PM MDT Saturday for IDZ051>059-075.

&&

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 5, 1:45 PM MDTHigh Wind WatchPIHBannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 13 more24 hr

Nearby

Lake Wind Advisories in Idaho, 2020Every lake wind advisory in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.