Alert archive / Idaho / Wind Advisories in 2021

Wind Advisory 10, NWS Pocatello, ID

March 29, 202117 counties in Idaho

NWS Pocatello, ID issued this wind advisory at Mar 29, 2021, 12:33 PM MDT for 17 counties in Idaho. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Mar 29, 2021, 12:33 PM MDT (18:33 UTC)
Expired
Mar 29, 2021, 4:00 PM MDT
In force
3 hr
Issued by
NWS Pocatello, ID

Counties Bannock County, ID, Bear Lake County, ID, Bingham County, ID, Blaine County, ID, Bonneville County, ID, Butte County, ID, Caribou County, ID, Cassia County, ID, Franklin County, ID, Fremont County, ID, Jefferson County, ID, Lincoln County, ID, Madison County, ID, Minidoka County, ID, Oneida County, ID, Power County, ID, Teton County, ID

The radar

The Pocatello radar (KSFX), 20 km from the middle of the area, began a volume at 18:36 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.

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 12:00Z, 6.6 hours before the alert went out and 259 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 12:00Z on 2021-03-29Temperature 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 12:00Z on 2021-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 205 square meters per square second.1939587897Sfc1 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
3037 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
205 m²/s²
0-3 km storm-relative helicity
269 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

010 
WWUS75 KPIH 291833
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
1233 PM MDT Mon Mar 29 2021

IDZ051>065-292200-
/O.CAN.KPIH.HW.W.0001.000000T0000Z-210329T2200Z/
/O.NEW.KPIH.WI.Y.0010.210329T1833Z-210329T2200Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Upper Snake River Plain-
Lower Snake River Plain-Eastern Magic Valley-
Southern Hills/Albion Mountains-Raft River Region-
Marsh and Arbon Highlands-Franklin/Eastern Oneida Region-
Bear River Range-Bear Lake Valley-Blackfoot Mountains-
Caribou Range-Big Hole Mountains-Teton 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, Oakley, Albion, Almo, Malta, Rockland, Holbrook,
Inkom, McCammon, Downey, Lava Hot Springs, Malad, Preston, 
Thatcher, Emigration Summit, St. Charles, Montpelier, Georgetown,
Grace, Soda Springs, Henry, Bone, Wayan, Swan Valley, Victor, 
Ashton, Tetonia, and Driggs
1233 PM MDT Mon Mar 29 2021

...WIND ADVISORY IN EFFECT UNTIL 4 PM MDT THIS AFTERNOON...

...HIGH WIND WARNING IS CANCELLED...

* WHAT...West Northwest winds 20 to 30 mph with gusts around 40 
  to 50 mph.

* WHERE...Shoshone, Richfield, INL, Craters of the Moon, Idaho 
  Falls area, Rexburg area, Pocatello area, Blackfoot area, Fort 
  Hall, American Falls, Burley area, Marsh Valley, Lava Hot 
  Springs, Malad, Preston, Bear Lake area, Teton Valley area.

* WHEN...Until 4 PM MDT this afternoon.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  High profile vehicles will still be a concern especially for
  crosswind areas on I-15 and I-84 near Yale. 


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
1 follow-up statement
324 
WWUS75 KPIH 292141
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
341 PM MDT Mon Mar 29 2021

IDZ051>065-292245-
/O.EXP.KPIH.WI.Y.0010.000000T0000Z-210329T2200Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Upper Snake River Plain-
Lower Snake River Plain-Eastern Magic Valley-
Southern Hills/Albion Mountains-Raft River Region-
Marsh and Arbon Highlands-Franklin/Eastern Oneida Region-
Bear River Range-Bear Lake Valley-Blackfoot Mountains-
Caribou Range-Big Hole Mountains-Teton 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, Oakley, Albion, Almo, Malta, Rockland, Holbrook,
Inkom, McCammon, Downey, Lava Hot Springs, Malad, Preston, 
Thatcher, Emigration Summit, St. Charles, Montpelier, Georgetown,
Grace, Soda Springs, Henry, Bone, Wayan, Swan Valley, Victor, 
Ashton, Tetonia, and Driggs
341 PM MDT Mon Mar 29 2021

...WIND ADVISORY WILL EXPIRE AT 4 PM MDT THIS AFTERNOON...

Winds continue to decrease across the region, therefore the Wind
Advisory will be allowed to expire. A few locations may remain 
very gusty until sunset, particularly in the Raft River region 
along Interstate 84.


$$

For more information from the National Weather Service visit
https://weather.gov/pocatello

Nearby

Wind Advisories in Idaho, 2021Every wind advisory 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.