Alert archive / Idaho / High Wind Warnings in 2021

High Wind Warning 4, NWS Pocatello, ID

April 13, 20214 counties in Idaho

NWS Pocatello, ID issued this high wind warning at Apr 13, 2021, 2:33 AM MDT for 4 counties in Idaho. It took effect at Apr 13, 2021, 6:00 PM MDT. It was in force for 9 hr. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 13, 2021, 2:33 AM MDT (08:33 UTC)
In effect from
Apr 13, 2021, 6:00 PM MDT
Expired
Apr 14, 2021, 2:52 AM MDT
In force
9 hr
Issued by
NWS Pocatello, ID

Counties Bear Lake County, ID, Caribou County, ID, Franklin County, ID, Oneida County, ID

The radar

The Pocatello radar (KSFX), 110 km from the middle of the area, began a volume at 08:36 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.

What was reported inside it

TimeReportWhereRemark
Apr 13, 7:15 PM MDTNON-TSTM WND GST 53Franklin, IDFRANKLIN, ID. ITD04 (ITD).
Apr 13, 8:15 PM MDTNON-TSTM WND GST 60Franklin, IDFRANKLIN, ID. ITD04 (ITD).

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 00:00Z, 8.6 hours before the alert went out and 176 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 2021-04-13Temperature 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 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 2021-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
3040 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

452 
WWUS75 KPIH 130833
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
233 AM MDT Tue Apr 13 2021

IDZ059-060-132100-
/O.UPG.KPIH.HW.A.0003.210413T1800Z-210414T1800Z/
/O.NEW.KPIH.HW.W.0004.210414T0000Z-210414T1800Z/
Franklin/Eastern Oneida Region-Bear River Range-
Including the cities of Malad, Preston, Thatcher, 
and Emigration Summit
233 AM MDT Tue Apr 13 2021

...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT
WEDNESDAY...

* WHAT...East winds 25 to 35 mph with gusts up to 60 mph expected.
  Localized gusts up to 70 mph possible. Winds will be strongest
  along and downwind of east to west oriented canyons and exposed 
  higher terrain areas.

* WHERE...Bear River Range and wind prone areas of the
  Franklin/Eastern Oneida Region.

* WHEN...From 6 PM this evening to noon MDT Wednesday.

* IMPACTS...Damaging winds may blow down trees and power lines.
  Travel will be difficult, especially for high profile vehicles
  traveling north or south, such as along Highway 91 in the 
  Franklin area.

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.

&&

$$

IDZ061-132100-
/O.NEW.KPIH.HW.W.0004.210414T0000Z-210414T1800Z/
Bear Lake Valley-
Including the cities of St. Charles, Montpelier, and Georgetown
233 AM MDT Tue Apr 13 2021

...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT
WEDNESDAY...

* WHAT...Southeast winds 25 to 35 mph with gusts up to 60 mph
  possible.

* WHERE...Strongest winds will be observed along and downwind of
  east to west oriented canyons and exposed higher terrain areas.
  Expect rough, choppy conditions on Bear Lake.

* WHEN...From 6 PM this evening to noon MDT Wednesday.

* IMPACTS...Damaging winds may blow down trees and power lines.
  Travel will be difficult, especially for high profile vehicles
  traveling north or south. 

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.

&&

$$

IDZ051-052-055-132100-
/O.CON.KPIH.WI.Y.0013.210413T1500Z-210414T0900Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Eastern Magic Valley-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Burley, Rupert, Heyburn, and Oakley
233 AM MDT Tue Apr 13 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 3 AM
MDT WEDNESDAY...

* WHAT...Northeast winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* WHERE...Eastern Magic Valley, Arco Desert and INL including 
  Shoshone, Richfield, Carey, Mud Lake, Craters of the Moon, 
  Burley area and Oakley.

* WHEN...From 9 AM Tuesday to 3 AM MDT Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Crosswinds on north-south routes will create difficult driving 
  conditions for high profile vehicles and vehicles with 
  trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ054-132100-
/O.CON.KPIH.LW.Y.0002.210413T1300Z-210414T0200Z/
Lower Snake River Plain-
Including the cities of Pocatello, Blackfoot, American Falls, 
Shelley, and Fort Hall
233 AM MDT Tue Apr 13 2021

...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING TO
8 PM MDT THIS EVENING...

* WHAT...Northeast winds 15 to 25 mph with gusts up to 35 mph 
  expected.

* WHERE...American Falls Reservoir.

* WHEN...7 AM to 8 PM MDT Tuesday.

* IMPACTS...Strong winds and rough waves on area lakes will 
  create hazardous conditions for small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Boaters on area lakes should use extra caution since strong winds
and rough waves can overturn small craft.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/pocatello
3 follow-up statements
023 
WWUS75 KPIH 132028
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
228 PM MDT Tue Apr 13 2021

IDZ059>061-140200-
/O.CON.KPIH.HW.W.0004.210414T0000Z-210414T1800Z/
Franklin/Eastern Oneida Region-Bear River Range-Bear Lake Valley-
Including the cities of Malad, Preston, Thatcher, 
Emigration Summit, St. Charles, Montpelier, and Georgetown
228 PM MDT Tue Apr 13 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
NOON MDT WEDNESDAY...

* WHAT...East winds 25 to 35 mph with gusts up to 60 mph 
  expected. Localized gusts up to 70 mph possible. Winds will be 
  strongest along and downwind of east to west oriented canyons 
  and exposed higher terrain areas.

* WHERE...Bear River Range and wind prone areas of the 
  Franklin/Eastern Oneida Region.

* WHEN...From 6 PM this evening to noon MDT Wednesday.

* IMPACTS...Damaging winds may blow down trees and power lines. 
  Travel will be difficult, especially for high profile vehicles 
  traveling north or south, such as along Highway 91 in the 
  Franklin area.

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.

&&

$$

IDZ051-052-055-140200-
/O.CON.KPIH.WI.Y.0013.000000T0000Z-210414T0900Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Eastern Magic Valley-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Burley, Rupert, Heyburn, and Oakley
228 PM MDT Tue Apr 13 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM MDT WEDNESDAY...

* WHAT...Northeast winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* WHERE...Eastern Magic Valley, Arco Desert and INL including 
  Shoshone, Richfield, Carey, Mud Lake, Craters of the Moon, 
  Burley area and Oakley.

* WHEN...From 9 AM Tuesday to 3 AM MDT Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Crosswinds on north-south routes will create difficult driving 
  conditions for high profile vehicles and vehicles with 
  trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ054-140200-
/O.CON.KPIH.LW.Y.0002.000000T0000Z-210414T0200Z/
Lower Snake River Plain-
Including the cities of Pocatello, Blackfoot, American Falls, 
Shelley, and Fort Hall
228 PM MDT Tue Apr 13 2021

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MDT THIS
EVENING...

* WHAT...Northeast winds 15 to 25 mph with gusts up to 40 mph 
  expected.

* WHERE...American Falls Reservoir.

* WHEN...7 AM to 8 PM MDT Tuesday.

* IMPACTS...Strong winds and rough waves on area lakes will 
  create hazardous conditions for small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Boaters on area lakes should use extra caution since strong winds
and rough waves can overturn small craft.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/pocatello
045 
WWUS75 KPIH 140156
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
756 PM MDT Tue Apr 13 2021

IDZ054-140900-
/O.CAN.KPIH.LW.Y.0002.000000T0000Z-210414T0200Z/
/O.EXA.KPIH.WI.Y.0013.000000T0000Z-210414T0900Z/
Lower Snake River Plain-
Including the cities of Pocatello, Blackfoot, American Falls, 
Shelley, and Fort Hall
756 PM MDT Tue Apr 13 2021

...WIND ADVISORY IN EFFECT UNTIL 3 AM MDT WEDNESDAY...
...LAKE WIND ADVISORY IS CANCELLED...

* WHAT...Northeast winds 20 to 30 mph with gusts up to 50 mph 
  expected. Areas of blowing dust.

* WHERE...Pocatello, Blackfoot, American Falls, Shelley, Fort Hall.

* WHEN...Until 3 AM MDT Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Crosswinds on north-south routes will create difficult driving 
  conditions for high profile vehicles and vehicles with trailers.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ059>061-141000-
/O.CON.KPIH.HW.W.0004.000000T0000Z-210414T1800Z/
Franklin/Eastern Oneida Region-Bear River Range-Bear Lake Valley-
Including the cities of Malad, Preston, Thatcher, 
Emigration Summit, St. Charles, Montpelier, and Georgetown
756 PM MDT Tue Apr 13 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MDT WEDNESDAY...

* WHAT...East winds 25 to 35 mph with gusts up to 60 mph 
  expected. Localized gusts up to 70 mph possible. Winds will be 
  strongest along and downwind of east to west oriented canyons 
  and exposed higher terrain areas.

* WHERE...Bear River Range and wind prone areas of the 
  Franklin/Eastern Oneida Region.

* WHEN...From 6 PM this evening to noon MDT Wednesday.

* IMPACTS...Damaging winds may blow down trees and power lines. 
  Travel will be difficult, especially for high profile vehicles 
  traveling north or south, such as along Highway 91 in the 
  Franklin area.

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.

&&

$$

IDZ051-052-055-140900-
/O.CON.KPIH.WI.Y.0013.000000T0000Z-210414T0900Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Eastern Magic Valley-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Burley, Rupert, Heyburn, and Oakley
756 PM MDT Tue Apr 13 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM MDT WEDNESDAY...

* WHAT...Northeast winds 20 to 30 mph with gusts up to 45 mph 
  expected. Areas of blowing dust.

* WHERE...Eastern Magic Valley, Arco Desert and INL including 
  Shoshone, Richfield, Carey, Mud Lake, Craters of the Moon, 
  Burley area and Oakley.

* WHEN...From 9 AM Tuesday to 3 AM MDT Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Crosswinds on north-south routes will create difficult driving 
  conditions for high profile vehicles and vehicles with 
  trailers.

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
520 
WWUS75 KPIH 140852
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
252 AM MDT Wed Apr 14 2021

IDZ059-060-141300-
/O.CAN.KPIH.HW.W.0004.000000T0000Z-210414T1800Z/
/O.EXB.KPIH.WI.Y.0013.000000T0000Z-210414T1300Z/
Franklin/Eastern Oneida Region-Bear River Range-
Including the cities of Malad, Preston, Thatcher, 
and Emigration Summit
252 AM MDT Wed Apr 14 2021

...WIND ADVISORY IN EFFECT UNTIL 7 AM MDT THIS MORNING...
...HIGH WIND WARNING IS CANCELLED...

* WHAT...Northeast winds 20 to 30 mph with gusts up to 50 mph 
  expected. Areas of blowing dust.

* WHERE...Franklin/Eastern Oneida Region-Bear River Range-
  Including the cities of Malad, Preston, Thatcher, and Emigration
  Summit.

* WHEN...Until 7 AM MDT this morning.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Crosswinds on north-south routes will create difficult driving 
  conditions for high profile vehicles and vehicles with 
  trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ061-141000-
/O.CAN.KPIH.HW.W.0004.000000T0000Z-210414T1800Z/
Bear Lake Valley-
Including the cities of St. Charles, Montpelier, and Georgetown
252 AM MDT Wed Apr 14 2021

...HIGH WIND WARNING IS CANCELLED...

Wind speeds have fallen to below warning criteria.  


$$

IDZ054-141300-
/O.NEW.KPIH.LW.Y.0003.210414T1300Z-210415T0100Z/
/O.EXT.KPIH.WI.Y.0013.000000T0000Z-210414T1300Z/
Lower Snake River Plain-
Including the cities of Pocatello, Blackfoot, American Falls, 
Shelley, and Fort Hall
252 AM MDT Wed Apr 14 2021

...WIND ADVISORY NOW IN EFFECT UNTIL 7 AM MDT THIS MORNING...
...LAKE WIND ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 7 PM
MDT THIS EVENING...

* WHAT...For the Lake Wind Advisory, northeast winds 15 to 25 mph
  with gusts up to 35 mph expected. For the Wind Advisory, 
  northeast winds 20 to 25 mph with gusts up to 40 mph.

* WHERE...Pocatello, Blackfoot, American Falls, Shelley, and Fort
  Hall.

* WHEN...For the Lake Wind Advisory, from 7 AM this morning to 7 
  PM MDT this evening. For the Wind Advisory, until 7 AM MDT 
  this morning.

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

* ADDITIONAL DETAILS...Expect difficult boating conditions on the
  American Falls Reservoir today.Strong winds and rough waves on
  area lakes will create hazardous conditions for small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IDZ051-052-055-141300-
/O.EXT.KPIH.WI.Y.0013.000000T0000Z-210414T1300Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Eastern Magic Valley-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Burley, Rupert, Heyburn, and Oakley
252 AM MDT Wed Apr 14 2021

...WIND ADVISORY NOW IN EFFECT UNTIL 7 AM MDT THIS MORNING...

* WHAT...Northeast winds 20 to 30 mph with gusts up to 45 mph 
  expected. Areas of blowing dust.

* WHERE...Eastern Magic Valley, Arco Desert and INL including 
  Shoshone, Richfield, Carey, Mud Lake, Craters of the Moon, 
  Burley area and Oakley.

* WHEN...Until 7 AM MDT this morning.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Crosswinds on north-south routes will create difficult driving 
  conditions for high profile vehicles and vehicles with 
  trailers.

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

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 7:53 PM MDTHigh Wind WatchPIHBear Lake, Caribou, Franklin, Oneida7 hr

Nearby

High Wind Warnings in Idaho, 2021Every high wind warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.