Alert archive / Idaho / Wind Advisories in 2021
Wind Advisory 16, NWS Pocatello, ID
NWS Pocatello, ID issued this wind advisory at May 7, 2021, 12:04 PM MDT for 8 counties in Idaho. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- May 7, 2021, 12:04 PM MDT (18:04 UTC)
- Expired
- May 7, 2021, 9:00 PM MDT
- In force
- 9 hr
- Issued by
- NWS Pocatello, ID
Counties Bannock County, ID, Bingham County, ID, Bonneville County, ID, Butte County, ID, Fremont County, ID, Jefferson County, ID, Madison County, ID, Power County, ID
The radar
The Pocatello radar (KSFX), 53 km from the middle of the area, began a volume at 18:05 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 12:00Z, 6.1 hours before the alert went out and 297 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
- 3757 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
455 WWUS75 KPIH 071804 NPWPIH URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 1204 PM MDT Fri May 7 2021 IDZ054-080215- /O.CAN.KPIH.LW.Y.0013.000000T0000Z-210508T0300Z/ /O.NEW.KPIH.WI.Y.0016.210507T1804Z-210508T0300Z/ Lower Snake River Plain- Including the cities of Pocatello, Blackfoot, American Falls, Shelley, and Fort Hall 1204 PM MDT Fri May 7 2021 ...WIND ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING... ...LAKE WIND ADVISORY IS CANCELLED... * WHAT...Southwest winds 30 to 40 mph with gusts up to 45 mph. * WHERE...The Lower Snake River Plain, from American Falls to Pocatello to Blackfoot. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Rough chop is likely on American Falls Reservoir. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ IDZ052-053-080215- /O.NEW.KPIH.WI.Y.0016.210507T1804Z-210508T0300Z/ Arco/Mud Lake Desert-Upper Snake River Plain- Including the cities of Mud Lake, INL, Craters of the Moon NM, Idaho Falls, Rexburg, and St. Anthony 1204 PM MDT Fri May 7 2021 ...WIND ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Southwest winds increasing to 30 to 40 mph with gusts up to 50 mph. * WHERE...The Arco Desert and the Upper Snake River Plain, including the INL, Idaho Falls, Rexburg and St. Anthony. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Blowing dust may temporarily reduce visibility, especially along Interstate 15 north of Idaho Falls. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/pocatello
2 follow-up statements
355 WWUS75 KPIH 071948 NPWPIH URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 148 PM MDT Fri May 7 2021 IDZ052>054-080300- /O.CON.KPIH.WI.Y.0016.000000T0000Z-210508T0300Z/ Arco/Mud Lake Desert-Upper Snake River Plain- Lower Snake River Plain- Including the cities of Mud Lake, INL, Craters of the Moon NM, Idaho Falls, Rexburg, St. Anthony, Pocatello, Blackfoot, American Falls, Shelley, and Fort Hall 148 PM MDT Fri May 7 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Southwest winds increasing to 30 to 40 mph with gusts up to 50 mph. * WHERE...The Lower Snake Plain, Arco Desert and the Upper Snake River Plain, including American Falls, Pocatello, Fort Hall, Blackfoot, the INL, Idaho Falls, Rexburg and St. Anthony. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Blowing dust may temporarily reduce visibility, especially along Interstate 15 north of Idaho Falls. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ For more information from the National Weather Service visit https://weather.gov/pocatello
163 WWUS75 KPIH 080246 NPWPIH URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 846 PM MDT Fri May 7 2021 IDZ052>054-080400- /O.EXP.KPIH.WI.Y.0016.000000T0000Z-210508T0300Z/ Arco/Mud Lake Desert-Upper Snake River Plain- Lower Snake River Plain- Including the cities of Mud Lake, INL, Craters of the Moon NM, Idaho Falls, Rexburg, St. Anthony, Pocatello, Blackfoot, American Falls, Shelley, and Fort Hall 846 PM MDT Fri May 7 2021 ...WIND ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING... Winds are expected to gradually decrease through the night. Therefore the wind advisory will be allowed to expire. $$ 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 |
|---|---|---|---|---|
| May 7, 3:10 AM MDT | Lake Wind Advisory | PIH | Bannock, Bingham, Power | 9 hr |
Nearby
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.