Alert archive / Idaho / Wind Advisories in 2021

Wind Advisory 12, NWS Pocatello, ID

April 9, 202113 counties in Idaho

NWS Pocatello, ID issued this wind advisory at Apr 9, 2021, 1:25 AM MDT for 13 counties in Idaho. It took effect at Apr 10, 2021, 11:00 AM MDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Apr 9, 2021, 1:25 AM MDT (07:25 UTC)
In effect from
Apr 10, 2021, 11:00 AM MDT
Expired
Apr 10, 2021, 9:58 PM MDT
In force
11 hr
Issued by
NWS Pocatello, ID

Counties Bannock County, ID, Bingham County, ID, Blaine County, ID, Bonneville County, ID, Caribou County, ID, Cassia County, ID, Fremont County, ID, Lincoln County, ID, Madison County, ID, Minidoka County, ID, Oneida County, ID, Power County, ID, Teton County, ID

The radar

The Pocatello radar (KSFX), 13 km from the middle of the area, began a volume at 07:28 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, 7.4 hours before the alert went out and 263 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 2021-04-09Temperature 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°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 2021-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.19395878Sfc1 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
3046 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
181 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

843 
WWUS75 KPIH 090725
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
125 AM MDT Fri Apr 9 2021

IDZ051-054-055-092100-
/O.NEW.KPIH.WI.Y.0012.210410T1700Z-210411T0400Z/
Shoshone/Lava Beds-Lower Snake River Plain-Eastern Magic Valley-
Including the cities of Shoshone, Richfield, Carey, Pocatello, 
Blackfoot, American Falls, Shelley, Fort Hall, Burley, Rupert, 
Heyburn, and Oakley
125 AM MDT Fri Apr 9 2021

...WIND ADVISORY IN EFFECT FROM 11 AM TO 10 PM SATURDAY...

* WHAT...West southwest winds 25 to 35 MPH with gusts of 45 to 55
  MPH expected.

* WHERE...The eastern Magic Valley and lower Snake Plain, 
  including but not limited to Shoshone, Carey, Burley, American 
  Falls, Aberdeen, Pocatello, Chubbuck, Fort Hall, and Blackfoot. 
  This includes Shoshone Bannock tribal lands.

* WHEN...From 11 AM to 10 PM Saturday.

* IMPACTS...Pockets of extreme blowing dust are likely, resulting
  in near zero visibility, very dangerous driving conditions, and
  possible highway closures. Areas of concern include but are not
  limited to Interstate 86 between American Falls and Pocatello,
  Interstate 15 between Pocatello and Blackfoot, and Highway 39
  between Aberdeen and American Falls. Gusty winds will create
  difficult driving for high profile vehicles. Isolated tree 
  damage and isolated power outages are also possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Secure loose outdoor objects. Use extra caution when driving, 
especially if operating a high profile vehicle. Watch for blowing
dust. If you encounter low visibility, slow down, turn on 
headlights, and use road lines to help guide you. If pulling 
over, pull off the road as far as possible in a safe location.

&&

$$

IDZ052-053-092100-
/O.NEW.KPIH.HW.A.0002.210410T1700Z-210411T0400Z/
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
125 AM MDT Fri Apr 9 2021

...HIGH WIND WATCH IN EFFECT FROM 11 AM to 10 PM SATURDAY...

* WHAT...West southwest winds 30 to 40 MPH with gusts of 55 to 65
  MPH possible.

* WHERE...The Arco Desert and upper Snake Plain, including but not
  limited to Craters of the Moon, Atomic City, Mud Lake, Idaho
  Falls, Ammon, Rigby, Rexburg, and Saint Anthony. This includes 
  Idaho National Laboratory.

* WHEN...From 11 AM to 10 PM Saturday.

* IMPACTS...Pockets of extreme blowing dust are likely, resulting
  in near zero visibility, very dangerous driving conditions, and
  possible highway closures. Areas of concern include but are not
  limited to Interstate 15 between Idaho Falls and Hamer. Damaging
  winds could blow down trees and power lines, resulting in power
  outages and property damage. Difficult driving is expected for
  high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Secure loose outdoor objects. Use extra caution when driving, 
especially if operating a high profile vehicle. Watch for blowing
dust. If you encounter low visibility, slow down, turn on 
headlights, and use road lines to help guide you. If pulling 
over, pull off the road as far as possible in a safe location.

&&

$$

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

KSmith
4 follow-up statements
623 
WWUS75 KPIH 091841
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
1241 PM MDT Fri Apr 9 2021

IDZ052-053-101000-
/O.UPG.KPIH.HW.A.0002.210410T1700Z-210411T0400Z/
/O.NEW.KPIH.HW.W.0003.210410T1700Z-210411T0500Z/
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
1241 PM MDT Fri Apr 9 2021

...HIGH WIND WARNING IN EFFECT FROM 11 AM TO 11 PM MDT SATURDAY...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph 
  expected.

* WHERE...The Arco Desert and Upper Snake River Plain, including 
  but not limited to Craters of the Moon, Atomic City, Mud Lake, 
  Idaho Falls, Ammon, Rigby, Rexburg, and Saint Anthony. This 
  includes Idaho National Laboratory.

* WHEN...From 11 AM to 11 PM MDT Saturday.

* IMPACTS...Strong gusty cross winds and widespread blowing dust
  are likely. Local areas may see visibility reduced to 1/4 mile
  or less in blowing dust creating dangerous driving conditions 
  and potential road closures. Strong winds may damage trees and 
  power lines resulting in power outages. Travel will be very 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. Use caution if you must drive.

&&

$$

IDZ051-054-055-101000-
/O.EXT.KPIH.WI.Y.0012.210410T1700Z-210411T0500Z/
Shoshone/Lava Beds-Lower Snake River Plain-Eastern Magic Valley-
Including the cities of Shoshone, Richfield, Carey, Pocatello, 
Blackfoot, American Falls, Shelley, Fort Hall, Burley, Rupert, 
Heyburn, and Oakley
1241 PM MDT Fri Apr 9 2021

...WIND ADVISORY NOW IN EFFECT FROM 11 AM TO 11 PM MDT SATURDAY...

* WHAT...Southwest to west winds 30 to 40 MPH with gusts to 50 MPH expected.

* WHERE...The eastern Magic Valley and lower Snake Plain, 
  including but not limited to Shoshone, Carey, Burley, American 
  Falls, Aberdeen, Pocatello, Chubbuck, Fort Hall, and 
  Blackfoot. This includes Shoshone Bannock tribal lands.

* WHEN...From 11 AM to 11 PM MDT Saturday.

* IMPACTS...Gusty cross winds and widespread areas of blowing dust
  are likely. Gusty winds will create difficult driving conditions
  for high profile vehicles. Isolated tree damage and power
  outages are possible.

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
401 
WWUS75 KPIH 100817
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
217 AM MDT Sat Apr 10 2021

IDZ052-053-102115-
/O.CON.KPIH.HW.W.0003.210410T1700Z-210411T0500Z/
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
217 AM MDT Sat Apr 10 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
11 PM MDT THIS EVENING...

* WHAT...Southwest winds 35 to 45 mph with gusts around 60 mph. 
  Wind gusts up to 70 mph expected across the Arco Desert and the 
  INL north and east towards Idaho Falls and Rexburg.

* WHERE...The Arco Desert and Upper Snake River Plain, including 
  but not limited to Craters of the Moon, Atomic City, Mud Lake, 
  Idaho Falls, Ammon, Rigby, Rexburg, and Saint Anthony. This 
  includes Idaho National Laboratory.

* WHEN...From 11 AM to 11 PM MDT Saturday.

* IMPACTS...Strong gusty cross winds and widespread blowing dust
  are likely. Local areas may see visibility reduced to 1/4 mile
  or less in blowing dust creating dangerous driving conditions
  and potential road closures, especially Interstate 15 from Idaho
  Falls to Roberts. Strong winds may damage trees and power lines
  resulting in power outages. Travel will be very difficult,
  especially for high profile vehicles and vehicles with trailers.

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.

&&

$$

IDZ056>058-062-065-102115-
/O.EXA.KPIH.WI.Y.0012.210410T1700Z-210411T0500Z/
Southern Hills/Albion Mountains-Raft River Region-
Marsh and Arbon Highlands-Blackfoot Mountains-Teton Valley-
Including the cities of Albion, Almo, Malta, Rockland, Holbrook, 
Inkom, McCammon, Downey, Lava Hot Springs, Grace, Soda Springs, 
Henry, Bone, Ashton, Tetonia, and Driggs
217 AM MDT Sat Apr 10 2021

...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 11 PM MDT
THIS EVENING BELOW 7000 FEET...

* WHAT...Southwest to west winds 25 to 35 MPH with gusts to 50 
  MPH expected.

* WHERE...Southern Hills/Albion Mountains, Raft River Region,
  Marsh and Arbon Highlands, Blackfoot Mountains and Teton Valley
  Including the cities of Albion, Almo, Malta, Rockland, 
  Holbrook, Inkom, McCammon, Downey, Lava Hot Springs, Grace, Soda
  Springs, Henry, Bone, Ashton, Tetonia, and Driggs

* WHEN...From 11 AM to 11 PM MDT Saturday.

* IMPACTS...Gusty cross winds and widespread areas of blowing dust
  are likely. Gusty winds will create difficult driving conditions
  for high profile vehicles. Isolated tree damage and power
  outages are possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ051-054-055-102115-
/O.CON.KPIH.WI.Y.0012.210410T1700Z-210411T0500Z/
Shoshone/Lava Beds-Lower Snake River Plain-Eastern Magic Valley-
Including the cities of Shoshone, Richfield, Carey, Pocatello, 
Blackfoot, American Falls, Shelley, Fort Hall, Burley, Rupert, 
Heyburn, and Oakley
217 AM MDT Sat Apr 10 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
11 PM MDT THIS EVENING...

* WHAT...Southwest to west winds 30 to 40 MPH with gusts to around 50
  MPH expected.

* WHERE...The eastern Magic Valley and lower Snake Plain, 
  including but not limited to Shoshone, Carey, Burley, American 
  Falls, Aberdeen, Pocatello, Chubbuck, Fort Hall, and 
  Blackfoot. This includes Shoshone Bannock tribal lands.

* WHEN...From 11 AM to 11 PM MDT Saturday.

* IMPACTS...Gusty cross winds and widespread areas of blowing 
  dust are likely. Gusty winds will create difficult driving 
  conditions for high profile vehicles. Isolated tree damage and 
  power outages are possible.

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
671 
WWUS75 KPIH 101933
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
133 PM MDT Sat Apr 10 2021

IDZ052-053-110500-
/O.CON.KPIH.HW.W.0003.000000T0000Z-210411T0500Z/
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
133 PM MDT Sat Apr 10 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MDT THIS
EVENING...

* WHAT...Southwest winds 35 to 45 mph with gusts around 60 mph. 
  Wind gusts up to 70 mph expected across the Arco Desert and 
  the INL north and east towards Idaho Falls and Rexburg.

* WHERE...The Arco Desert and Upper Snake River Plain, including 
  but not limited to Craters of the Moon, Atomic City, Mud Lake, 
  Idaho Falls, Ammon, Rigby, Rexburg, and Saint Anthony. This 
  includes Idaho National Laboratory.

* WHEN...Until 11 PM MDT tonight.

* IMPACTS...Strong gusty cross winds and widespread blowing dust 
  are likely. Local areas may see visibility reduced to 1/4 mile 
  or less in blowing dust creating dangerous driving conditions 
  and potential road closures, especially Interstate 15 from 
  Idaho Falls to Roberts. Strong winds may damage trees and 
  power lines resulting in power outages. Travel will be very 
  difficult, especially for high profile vehicles and vehicles 
  with trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. Use caution if you must drive.

&&

$$

IDZ051-054-055-110500-
/O.CON.KPIH.WI.Y.0012.000000T0000Z-210411T0500Z/
Shoshone/Lava Beds-Lower Snake River Plain-Eastern Magic Valley-
Including the cities of Shoshone, Richfield, Carey, Pocatello, 
Blackfoot, American Falls, Shelley, Fort Hall, Burley, Rupert, 
Heyburn, and Oakley
133 PM MDT Sat Apr 10 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM MDT THIS EVENING...

* WHAT...Southwest to west winds 30 to 40 MPH with gusts of 50 to
  55 MPH expected.

* WHERE...The eastern Magic Valley and lower Snake Plain, 
  including but not limited to Shoshone, Carey, Burley, American 
  Falls, Aberdeen, Pocatello, Chubbuck, Fort Hall, and 
  Blackfoot. This includes Shoshone Bannock tribal lands.

* WHEN...Until 11 PM MDT tonight.

* IMPACTS...Gusty cross winds and widespread areas of blowing 
  dust are likely. Gusty winds will create difficult driving 
  conditions for high profile vehicles. Isolated tree damage and 
  power outages are possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ056>058-062-065-110500-
/O.CON.KPIH.WI.Y.0012.000000T0000Z-210411T0500Z/
Southern Hills/Albion Mountains-Raft River Region-
Marsh and Arbon Highlands-Blackfoot Mountains-Teton Valley-
Including the cities of Albion, Almo, Malta, Rockland, Holbrook, 
Inkom, McCammon, Downey, Lava Hot Springs, Grace, Soda Springs, 
Henry, Bone, Ashton, Tetonia, and Driggs
133 PM MDT Sat Apr 10 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM MDT THIS EVENING...

* WHAT...Southwest to west winds 25 to 35 MPH with gusts to 50 
  MPH expected.

* WHERE...Southern Hills/Albion Mountains, Raft River Region, 
  Marsh and Arbon Highlands, Blackfoot Mountains and Teton 
  Valley Including the cities of Albion, Almo, Malta, Rockland, 
  Holbrook, Inkom, McCammon, Downey, Lava Hot Springs, Grace, 
  Soda Springs, Henry, Bone, Ashton, Tetonia, and Driggs.

* WHEN...Until 11 PM MDT tonight.

* IMPACTS...Gusty cross winds and widespread areas of blowing 
  dust are likely. Gusty winds will create difficult driving 
  conditions for high profile vehicles. Isolated tree damage and 
  power outages are possible.

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
418 
WWUS75 KPIH 110358
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
958 PM MDT Sat Apr 10 2021

IDZ052-053-110500-
/O.CAN.KPIH.HW.W.0003.000000T0000Z-210411T0500Z/
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
958 PM MDT Sat Apr 10 2021

...HIGH WIND WARNING IS CANCELLED...

Northerly winds have moved in over the area. There are some areas
gusting around 40 mph in gap areas coming over the Montana Divide.
Winds will continue to gradually drop off through the evening. 

$$

IDZ051-054>058-062-065-110500-
/O.CAN.KPIH.WI.Y.0012.000000T0000Z-210411T0500Z/
Shoshone/Lava Beds-Lower Snake River Plain-Eastern Magic Valley-
Southern Hills/Albion Mountains-Raft River Region-
Marsh and Arbon Highlands-Blackfoot Mountains-Teton Valley-
Including the cities of Shoshone, Richfield, Carey, Pocatello, 
Blackfoot, American Falls, Shelley, Fort Hall, Burley, Rupert, 
Heyburn, Oakley, Albion, Almo, Malta, Rockland, Holbrook, Inkom, 
McCammon, Downey, Lava Hot Springs, Grace, Soda Springs, Henry, 
Bone, Ashton, Tetonia, and Driggs
958 PM MDT Sat Apr 10 2021

...WIND ADVISORY IS CANCELLED...

Wind gusts have dropped off to around 20 to 30 mph with a few
isolated areas with winds gusting to around 40 mph. Winds will
continue to drop tonight as northerly winds continue to drop down
the Snake plain.

$$

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

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 1:25 AM MDTHigh Wind WatchPIHBingham, Bonneville, Butte, Fremont, Jefferson, Madison11 hr
Apr 9, 12:41 PM MDTHigh Wind WarningPIHBingham, Bonneville, Butte, Fremont, Jefferson, Madison33 hr

Nearby

Wind Advisories in Idaho, 2021Every wind advisory in 2021

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.