Alert archive / Idaho / High Wind Watches in 2021
High Wind Watch 4, NWS Pocatello, ID
NWS Pocatello, ID issued this high wind watch at Dec 4, 2021, 3:04 AM MST for 12 counties in Idaho. It took effect at Dec 4, 2021, 8:00 PM MST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 4, 2021, 3:04 AM MST (10:04 UTC)
- In effect from
- Dec 4, 2021, 8:00 PM MST
- Expired
- Dec 4, 2021, 1:41 PM MST
- In force
- Issued by
- NWS Pocatello, ID
Counties Bannock County, ID, Bingham County, ID, Blaine County, ID, Bonneville County, ID, Butte County, ID, Cassia County, ID, Fremont County, ID, Jefferson County, ID, Lincoln County, ID, Madison County, ID, Minidoka County, ID, Power County, ID
The radar
The Pocatello radar (KSFX), 18 km from the middle of the area, began a volume at 10:04 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
Boise Airport, ID (KBOI), launched 00:00Z, 10.1 hours before the alert went out and 280 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
- 1710 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
107 WWUS75 KPIH 041004 NPWPIH URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 304 AM MST Sat Dec 4 2021 IDZ052-053-042230- /O.NEW.KPIH.HW.A.0004.211205T0300Z-211205T1800Z/ /O.CON.KPIH.FG.Y.0002.000000T0000Z-211204T1600Z/ 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 304 AM MST Sat Dec 4 2021 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... ...HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH SUNDAY MORNING... * WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the High Wind Watch, southwest winds 35 to 50 mph with gusts up to 60 mph possible. * WHERE...The upper Snake River plain and the Arco Mud Lake Desert. * WHEN...For the Dense Fog Advisory, until 9 AM MST this morning. For the High Wind Watch, from this evening through Sunday morning. * IMPACTS...For this morning...hazardous driving conditions due to low visibility. For tonight...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... If driving this morning, slow down, use your headlights, and leave plenty of distance ahead of you. For tonight, monitor the latest forecasts and warnings for updates on the wind situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ IDZ051-054-055-042230- /O.NEW.KPIH.HW.A.0004.211205T0300Z-211205T1800Z/ Shoshone/Lava Beds-Lower Snake River Plain-Eastern Magic Valley- Including the cities of Shoshone, Richfield, Carey, Pocatello, Blackfoot, American Falls, Shelley, Fort Hall, Burley, Rupert, Heyburn, and Oakley 304 AM MST Sat Dec 4 2021 ...HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH SUNDAY MORNING... * WHAT...West winds 40 to 50 mph with gusts up to 60 mph possible. * WHERE...The Lower Snake River plain, the eastern Magic Valley, the Shoshone area, and the lava beds. * WHEN...From this evening through Sunday morning. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this wind situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ For more information from the National Weather Service visit https://weather.gov/pocatello
2 follow-up statements
323 WWUS75 KPIH 041546 NPWPIH URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 846 AM MST Sat Dec 4 2021 IDZ052-053-050000- /O.EXP.KPIH.FG.Y.0002.000000T0000Z-211204T1600Z/ /O.CON.KPIH.HW.A.0004.211205T0300Z-211205T1800Z/ 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 846 AM MST Sat Dec 4 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM 8 PM MST THIS EVENING THROUGH SUNDAY MORNING... ...DENSE FOG ADVISORY WILL EXPIRE AT 9 AM MST THIS MORNING... * WHAT...Southwest winds 40 to 50 mph with gusts up to 65 mph possible. * WHERE...The upper Snake River plain and the Arco Mud Lake Desert. * WHEN...For the High Wind Watch, from this evening through Sunday morning. * 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. && $$ IDZ051-054-055-050000- /O.CON.KPIH.HW.A.0004.211205T0300Z-211205T1800Z/ Shoshone/Lava Beds-Lower Snake River Plain-Eastern Magic Valley- Including the cities of Shoshone, Richfield, Carey, Pocatello, Blackfoot, American Falls, Shelley, Fort Hall, Burley, Rupert, Heyburn, and Oakley 846 AM MST Sat Dec 4 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM 8 PM MST THIS EVENING THROUGH SUNDAY MORNING... * WHAT...West winds 40 to 50 mph with gusts up to 60 mph possible. * WHERE...The Lower Snake River plain, the eastern Magic Valley, the Shoshone area, and the lava beds. * WHEN...From this evening through Sunday morning. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ For more information from the National Weather Service visit https://weather.gov/pocatello
797 WWUS75 KPIH 042041 NPWPIH URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 141 PM MST Sat Dec 4 2021 IDZ051>055-051100- /O.UPG.KPIH.HW.A.0004.211205T0300Z-211205T1800Z/ /O.NEW.KPIH.WI.Y.0028.211205T0300Z-211205T1800Z/ Shoshone/Lava Beds-Arco/Mud Lake Desert-Upper Snake River Plain- Lower Snake River Plain-Eastern Magic Valley- 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, and Oakley 141 PM MST Sat Dec 4 2021 ...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 11 AM MST SUNDAY... * WHAT...Southwest winds 35 to 45 mph with gusts up to 55 mph possible. * WHERE...The Arco Mud Lake Desert, Upper Snake River Plain, Lower Snake River Plain, Eastern Magic Valley and Shoshone Lava Beds. * WHEN...From 8 PM this evening to 11 AM MST Sunday. * IMPACTS...Gusty winds could make driving difficult, especially for high profile vehicles. Unsecured objects may be blown around. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ IDZ056>058-051100- /O.NEW.KPIH.WI.Y.0028.211205T0300Z-211205T1800Z/ Southern Hills/Albion Mountains-Raft River Region- Marsh and Arbon Highlands- Including the cities of Albion, Almo, Malta, Rockland, Holbrook, Inkom, McCammon, Downey, and Lava Hot Springs 141 PM MST Sat Dec 4 2021 ...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 11 AM MST SUNDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 55 mph possible. * WHERE...The Marsh Arbon Highlands, Raft River Region, and South Hills Albion Mountains. * WHEN...From 8 PM this evening to 11 AM MST Sunday. * IMPACTS...Gusty winds could make driving difficult, especially for high profile vehicles. Unsecured objects may be blown around. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ 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 |
|---|---|---|---|---|
| Dec 3, 7:50 PM MST | Dense Fog Advisory | PIH | Bingham, Bonneville, Butte, Fremont, Jefferson, Madison | 13 hr |
| Dec 4, 1:41 PM MST | Wind Advisory | PIH | Bannock, Bingham, Blaine, Bonneville, Butte, Caribou and 8 more | 27 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.