Alert archive / Idaho / Frost Advisories in 2021
Frost Advisory 7, NWS Pocatello, ID
NWS Pocatello, ID issued this frost advisory at May 28, 2021, 1:56 PM MDT for 12 counties in Idaho. It took effect at May 29, 2021, 4:00 AM MDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- May 28, 2021, 1:56 PM MDT (19:56 UTC)
- In effect from
- May 29, 2021, 4:00 AM MDT
- Expired
- May 29, 2021, 1:04 AM MDT
- 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 19:58 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 12:00Z, 7.9 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
- 1792 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -127 m²/s²
- 0-3 km storm-relative helicity
- -40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
325 WWUS75 KPIH 281956 NPWPIH URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 156 PM MDT Fri May 28 2021 IDZ052-053-291000- /O.NEW.KPIH.FR.Y.0007.210529T1000Z-210529T1500Z/ /O.CON.KPIH.WI.Y.0019.000000T0000Z-210529T0300Z/ 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 156 PM MDT Fri May 28 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... ...FROST ADVISORY IN EFFECT FROM 4 AM TO 9 AM MDT SATURDAY... * WHAT...For the Frost Advisory, temperatures as low as 33 to 37 degrees are anticipated. For the Wind Advisory, southwest winds of 25 to 35 mph with gusts up to 50 mph will continue. * WHERE...Upper Snake river Plain and INL. * WHEN...For the Frost Advisory, from 4 AM to 9 AM MDT Saturday. For the Wind Advisory, until 9 PM MDT this evening. * IMPACTS...Gusty winds can cause blowing dust with reduced visibility and difficult driving conditions. Frost can damage or kill sensitive vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. Take steps now to protect tender plants from the cold. && $$ IDZ054-291000- /O.NEW.KPIH.FR.Y.0007.210529T1000Z-210529T1500Z/ /O.CON.KPIH.WI.Y.0019.000000T0000Z-210529T0300Z/ Lower Snake River Plain- Including the cities of Pocatello, Blackfoot, American Falls, Shelley, and Fort Hall 156 PM MDT Fri May 28 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... ...FROST ADVISORY IN EFFECT FROM 4 AM TO 9 AM MDT SATURDAY... * WHAT...For the Frost Advisory, temperatures as low as 33 to 37 degrees are anticipated, especially in outlying areas northwest of American Falls Reservoir. For the Wind Advisory, southwest winds 2 to 35 mph with gusts up to 45 mph. * WHERE...Lower Snake River Plain from American Falls to Blackfoot. * WHEN...For the Frost Advisory, from 4 AM to 9 AM MDT Saturday. For the Wind Advisory, until 9 PM MDT this evening. * IMPACTS...Gusty winds can cause blowing dust with reduced visibility and difficult driving conditions. Strong winds can also cause enhanced wave action on area lakes resulting dangerous boating conditions. Frost can damage or kill sensitive vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. Take steps now to protect tender plants from the cold. && $$ IDZ051-291000- /O.NEW.KPIH.FR.Y.0007.210529T1000Z-210529T1500Z/ Shoshone/Lava Beds- Including the cities of Shoshone, Richfield, and Carey 156 PM MDT Fri May 28 2021 ...FROST ADVISORY IN EFFECT FROM 4 AM TO 9 AM MDT SATURDAY... * WHAT...temperatures as low as 33 to 37 degrees are anticipated. * WHERE...Shoshone to Carey. * WHEN...From 4 AM to 9 AM MDT Saturday. * IMPACTS...Frost can damage or kill sensitive vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ IDZ055-291000- /O.NEW.KPIH.FR.Y.0007.210529T1000Z-210529T1500Z/ Eastern Magic Valley- Including the cities of Burley, Rupert, Heyburn, and Oakley 156 PM MDT Fri May 28 2021 ...FROST ADVISORY IN EFFECT FROM 4 AM TO 9 AM MDT SATURDAY... * WHAT...For the Frost Advisory, temperatures as low as 33 to 37 degrees are anticipated. * WHERE...Outlying areas of the Eastern Magic Valley mainly north of Interstate 84. * WHEN...From 4 AM to 9 AM MDT Saturday. * IMPACTS...Frost can damage or kill sensitive vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information from the National Weather Service visit https://weather.gov/pocatello
2 follow-up statements
952 WWUS75 KPIH 290248 NPWPIH URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 848 PM MDT Fri May 28 2021 IDZ052-053-291100- /O.EXP.KPIH.WI.Y.0019.000000T0000Z-210529T0300Z/ /O.CON.KPIH.FR.Y.0007.210529T1000Z-210529T1500Z/ 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 848 PM MDT Fri May 28 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM MDT SATURDAY... ...WIND ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING... * WHAT...Winds will continue to weaken tonight. Temperatures as low as 33 to 37 will result in frost formation. * WHERE...Upper Snake river Plain and INL. * WHEN...For the Frost Advisory, from 4 AM to 9 AM MDT Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ IDZ054-291100- /O.EXP.KPIH.WI.Y.0019.000000T0000Z-210529T0300Z/ /O.CON.KPIH.FR.Y.0007.210529T1000Z-210529T1500Z/ Lower Snake River Plain- Including the cities of Pocatello, Blackfoot, American Falls, Shelley, and Fort Hall 848 PM MDT Fri May 28 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM MDT SATURDAY... ...WIND ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING... * WHAT...Winds will continue to weaken tonight. Temperatures as low as 33 to 37 will result in frost formation. * WHERE...Lower Snake River Plain from American Falls to Blackfoot. * WHEN...For the Frost Advisory, from 4 AM to 9 AM MDT Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ IDZ051-291100- /O.CON.KPIH.FR.Y.0007.210529T1000Z-210529T1500Z/ Shoshone/Lava Beds- Including the cities of Shoshone, Richfield, and Carey 848 PM MDT Fri May 28 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM MDT SATURDAY... * WHAT...Temperatures as low as 33 to 37 degrees are anticipated. * WHERE...Shoshone to Carey. * WHEN...From 4 AM to 9 AM MDT Saturday. * IMPACTS...Frost can damage or kill sensitive vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ IDZ055-291100- /O.CON.KPIH.FR.Y.0007.210529T1000Z-210529T1500Z/ Eastern Magic Valley- Including the cities of Burley, Rupert, Heyburn, and Oakley 848 PM MDT Fri May 28 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM MDT SATURDAY... * WHAT...For the Frost Advisory, temperatures as low as 33 to 37 degrees are anticipated. * WHERE...Outlying areas of the Eastern Magic Valley mainly north of Interstate 84. * WHEN...From 4 AM to 9 AM MDT Saturday. * IMPACTS...Frost can damage or kill sensitive vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information from the National Weather Service visit https://weather.gov/pocatello
143 WWUS75 KPIH 290704 NPWPIH URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 104 AM MDT Sat May 29 2021 IDZ051>055-290815- /O.CAN.KPIH.FR.Y.0007.210529T1000Z-210529T1500Z/ 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 104 AM MDT Sat May 29 2021 ...FROST ADVISORY IS CANCELLED... Widespread Frost conditions are not expected this morning, therefore the advisory is cancelled. $$ 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 28, 12:56 AM MDT | Wind Advisory | PIH | Bannock, Bingham, Bonneville, Butte, Fremont, Jefferson and 2 more | 20 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.