Alert archive / Idaho / Wind Advisories in 2021

Wind Advisory 11, NWS Pocatello, ID

April 7, 202114 counties in Idaho

NWS Pocatello, ID issued this wind advisory at Apr 7, 2021, 3:24 AM MDT for 14 counties in Idaho. It took effect at Apr 8, 2021, 10:00 AM MDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Apr 7, 2021, 3:24 AM MDT (09:24 UTC)
In effect from
Apr 8, 2021, 10:00 AM MDT
Expired
Apr 8, 2021, 9:02 PM MDT
In force
11 hr
Issued by
NWS Pocatello, ID

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

The radar

The Pocatello radar (KSFX), 5 km from the middle of the area, began a volume at 09:23 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, 9.4 hours before the alert went out and 270 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 2021-04-07Temperature 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 2021-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.1939587897Sfc1 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
1591 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
42 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.

616 
WWUS75 KPIH 070924
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
324 AM MDT Wed Apr 7 2021

IDZ051>058-062-072100-
/O.NEW.KPIH.WI.Y.0011.210408T1700Z-210409T0400Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Upper Snake River Plain-
Lower Snake River Plain-Eastern Magic Valley-
Southern Hills/Albion Mountains-Raft River Region-
Marsh and Arbon Highlands-Blackfoot Mountains-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Idaho Falls, Rexburg, St. Anthony, 
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, and Bone
324 AM MDT Wed Apr 7 2021

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

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

* WHERE...The eastern Magic Valley, Snake Plain, and adjacent
  highlands, including but not limited to Shoshone, Burley,
  Oakley, Craters of the Moon, American Falls, McCammon, Lava Hot
  Springs, Soda Springs, Pocatello, Chubbuck, Aberdeen, 
  Blackfoot, Mud Lake, Idaho Falls, and Rexburg. This includes 
  Shoshone Bannock tribal lands and Idaho National Laboratory.

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

* IMPACTS...Gusty winds are expected to create difficult driving
  conditions for high profile vehicles, and could blow around
  unsecured objects. If enough drying of surface soils can occur,
  areas of significant blowing dust may develop and result in
  pockets of near zero visibility and highway closures, especially
  in trouble spots such as Interstate 15 between Idaho Falls and
  Hamer, Interstate 15 in the Fort Hall area, and Interstate 86 
  in the Arbon Valley area. Isolated downed tree limbs and 
  isolated power outages are also 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

KSmith
4 follow-up statements
301 
WWUS75 KPIH 071916
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
116 PM MDT Wed Apr 7 2021

IDZ051>058-062-081100-
/O.EXT.KPIH.WI.Y.0011.210408T1600Z-210409T0400Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Upper Snake River Plain-
Lower Snake River Plain-Eastern Magic Valley-
Southern Hills/Albion Mountains-Raft River Region-
Marsh and Arbon Highlands-Blackfoot Mountains-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Idaho Falls, Rexburg, St. Anthony, 
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, and Bone
116 PM MDT Wed Apr 7 2021

...WIND ADVISORY NOW IN EFFECT FROM 10 AM TO 10 PM MDT THURSDAY...

* WHAT...West southwest winds of 30 to 40 MPH with gusts of 50 to
  55 MPH expected.

* WHERE...The eastern Magic Valley, Snake Plain, and adjacent 
  highlands, including but not limited to Shoshone, Burley, 
  Oakley, Craters of the Moon, American Falls, McCammon, Lava 
  Hot Springs, Soda Springs, Pocatello, Chubbuck, Aberdeen, 
  Blackfoot, Mud Lake, Idaho Falls, and Rexburg. This includes 
  Shoshone Bannock tribal lands and Idaho National Laboratory.

* WHEN...From 10 AM to 10 PM MDT Thursday.

* IMPACTS...Gusty cross winds and areas of blowing dust are
  expected to create difficult driving conditions. Isolated power
  outages and tree damage are also 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
146 
WWUS75 KPIH 080705 AAA
NPWPIH

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Pocatello ID
105 AM MDT Thu Apr 8 2021

IDZ051>058-062-082100-
/O.CON.KPIH.WI.Y.0011.210408T1600Z-210409T0400Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Upper Snake River Plain-
Lower Snake River Plain-Eastern Magic Valley-
Southern Hills/Albion Mountains-Raft River Region-
Marsh and Arbon Highlands-Blackfoot Mountains-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Idaho Falls, Rexburg, St. Anthony, 
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, and Bone
105 AM MDT Thu Apr 8 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
10 PM THIS EVENING...

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

* WHERE...The eastern Magic Valley, Snake Plain, and adjacent
  highlands, including but not limited to Shoshone, Burley,
  Oakley, Craters of the Moon, American Falls, McCammon, Lava Hot
  Springs, Soda Springs, Pocatello, Chubbuck, Aberdeen, 
  Blackfoot, Mud Lake, Idaho Falls, and Rexburg. This includes 
  Shoshone Bannock tribal lands and Idaho National Laboratory.

* WHEN...From 10 AM this morning to 10 PM this evening.

* IMPACTS...Gusty winds are expected to create difficult driving
  conditions for high profile vehicles. If enough drying of 
  surface soils can occur, areas of significant blowing dust may 
  develop and result in pockets of near zero visibility and 
  highway closures, especially in trouble spots such as Interstate
  15 between Idaho Falls and Hamer, Interstate 15 in the Fort 
  Hall area, and Interstate 86 in the Arbon Valley area. 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.

&&

$$

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

KSmith
360 
WWUS75 KPIH 081902
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
102 PM MDT Thu Apr 8 2021

IDZ052-090400-
/O.UPG.KPIH.WI.Y.0011.000000T0000Z-210409T0400Z/
/O.NEW.KPIH.HW.W.0002.210408T1902Z-210409T0400Z/
Arco/Mud Lake Desert-
Including the cities of Mud Lake, INL, and Craters of the Moon NM
102 PM MDT Thu Apr 8 2021

...HIGH WIND WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING...

* WHAT...Southwest to west winds of 40 to 50 mph with gusts of 55
  to 60 mph through 6 PM MDT and then gradually decreasing and
  becoming northwest through the evening hours.

* WHERE...Arco and Mud Lake Desert, including INL.

* WHEN...Until 10 PM MDT this evening.

* IMPACTS...Travel will be difficult or even hazardous, especially
  for high profile vehicles across the Arco Desert and INL through
  early this evening. Expect strong gusty cross winds and areas of
  blowing dust with visibility reduced to 1/4 mile at times.

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.

&&

$$

IDZ051-053>058-062-090400-
/O.CON.KPIH.WI.Y.0011.000000T0000Z-210409T0400Z/
Shoshone/Lava Beds-Upper Snake River Plain-
Lower Snake River Plain-Eastern Magic Valley-
Southern Hills/Albion Mountains-Raft River Region-
Marsh and Arbon Highlands-Blackfoot Mountains-
Including the cities of Shoshone, Richfield, Carey, Idaho Falls, 
Rexburg, St. Anthony, 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, and Bone
102 PM MDT Thu Apr 8 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING...

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

* WHERE...The eastern Magic Valley, Snake Plain, and adjacent
  highlands, including but not limited to Shoshone, Burley,
  Oakley, Craters of the Moon, American Falls, McCammon, Lava Hot
  Springs, Soda Springs, Pocatello, Chubbuck, Aberdeen, Blackfoot,
  Idaho Falls, and Rexburg. This includes Shoshone Bannock tribal
  lands.

* WHEN...Until to 10 PM this evening.

* IMPACTS...Gusty winds are expected to create difficult driving
  conditions for high profile vehicles. Areas of blowing dust may
  reduce visibility to 1/4 mile at times resulting in highway
  closures, especially in trouble spots such as Interstate 15
  between Idaho Falls and Hamer, Interstate 15 in the Fort Hall
  area, and Interstate 86 in the Arbon Valley and Rainbow Road
  area. Isolated tree damage and power outages are also 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
043 
WWUS75 KPIH 090302
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
902 PM MDT Thu Apr 8 2021

IDZ052-090415-
/O.CAN.KPIH.HW.W.0002.000000T0000Z-210409T0400Z/
Arco/Mud Lake Desert-
Including the cities of Mud Lake, INL, and Craters of the Moon NM
902 PM MDT Thu Apr 8 2021

...HIGH WIND WARNING IS CANCELLED...

Winds are still breezy but have significantly dropped across the
area with northerly winds moving in place. Some gap winds and a
few other isolated areas are still gusting in 30 to 40 mph range.
Expect winds to drop off significantly by around midnight for most
areas except for gap wind areas.

$$

IDZ051-053>058-062-090415-
/O.CAN.KPIH.WI.Y.0011.000000T0000Z-210409T0400Z/
Shoshone/Lava Beds-Upper Snake River Plain-
Lower Snake River Plain-Eastern Magic Valley-
Southern Hills/Albion Mountains-Raft River Region-
Marsh and Arbon Highlands-Blackfoot Mountains-
Including the cities of Shoshone, Richfield, Carey, Idaho Falls, 
Rexburg, St. Anthony, 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, and Bone
902 PM MDT Thu Apr 8 2021

...WIND ADVISORY IS CANCELLED...

Winds are still breezy but have significantly dropped across the
area with northerly winds moving in place. Some isolated areas,
especially our western and southern areas, still have winds 
gusting to around 40 mph. Expect winds to drop off significantly 
by around midnight.

$$

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

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.