Alert archive / Idaho / High Wind Watches in 2021
High Wind Watch 2, NWS Pocatello, ID
NWS Pocatello, ID issued this high wind watch at Apr 9, 2021, 1:25 AM MDT for 6 counties in Idaho. It took effect at Apr 10, 2021, 11:00 AM MDT. It was in force for .
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 9, 2021, 12:41 PM MDT
- In force
- Issued by
- NWS Pocatello, ID
Counties Bingham County, ID, Bonneville County, ID, Butte County, ID, Fremont County, ID, Jefferson County, ID, Madison County, ID
The radar
The Pocatello radar (KSFX), 80 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
Riverton, WY (KRIW), launched 00:00Z, 7.4 hours before the alert went out and 307 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3071 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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
1 follow-up statement
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
The office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 1:25 AM MDT | Wind Advisory | PIH | Bannock, Bingham, Blaine, Bonneville, Caribou, Cassia and 7 more | 45 hr |
| Apr 9, 12:41 PM MDT | High Wind Warning | PIH | Bingham, Bonneville, Butte, Fremont, Jefferson, Madison | 33 hr |
Nearby
High Wind Watches in Idaho, 2021Every high wind watch 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.