Alert archive / Idaho / Wind Advisories in 2021

Wind Advisory 6, NWS Pocatello, ID

February 7, 202113 counties in Idaho

NWS Pocatello, ID issued this wind advisory at Feb 7, 2021, 4:30 AM MST for 13 counties in Idaho. It took effect at Feb 7, 2021, 8:00 AM MST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Feb 7, 2021, 4:30 AM MST (11:30 UTC)
In effect from
Feb 7, 2021, 8:00 AM MST
Expired
Feb 7, 2021, 6:08 PM MST
In force
10 hr
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, Oneida County, ID, Power County, ID

The radar

The Pocatello radar (KSFX), 9 km from the middle of the area, began a volume at 11:35 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 00:00Z, 11.5 hours before the alert went out and 275 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 00:00Z on 2021-02-07Temperature 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 00:00Z on 2021-02-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.1939587897117Sfc1 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
2263 m above ground
0-6 km bulk shear
107 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
479 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

261 
WWUS75 KPIH 071130
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
430 AM MST Sun Feb 7 2021

IDZ051>057-072100-
/O.NEW.KPIH.WI.Y.0006.210207T1500Z-210208T0300Z/
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-
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, 
and Holbrook
430 AM MST Sun Feb 7 2021

...WIND ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 8 PM MST
THIS EVENING...

* WHAT...West winds 25 to 35 mph with gusts up to 50 mph 
  expected.

* WHERE...Shoshone, Richfield, Carey, Mud Lake, INL, Craters of
  the Moon, Idaho Falls, Rexburg, St. Antony, Pocatello,
  Blackfoot, Heyburn, Oakley, Albion, Almo, Malta Rockland, and
  Holbrook. 

* WHEN...From 8 AM this morning to 8 PM MST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  Higher elevation locations with snow on the ground will likely
  have blowing and drifting snow over highways creating slick
  conditions and lower visibilities. Cross winds in areas like 
  I-15 near Fort Hall and I-84 near Yale will create problems, 
  especially for high profile vehicles.


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
076 
WWUS75 KPIH 072039
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
139 PM MST Sun Feb 7 2021

IDZ051>057-080300-
/O.CON.KPIH.WI.Y.0006.000000T0000Z-210208T0300Z/
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-
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, 
and Holbrook
139 PM MST Sun Feb 7 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING...

* WHAT...West winds 25 to 35 mph with gusts up to 50 mph 
  expected.

* WHERE...Shoshone, Richfield, Carey, Mud Lake, INL, Craters of 
  the Moon, Idaho Falls, Rexburg, St. Antony, Pocatello, 
  Blackfoot, Heyburn, Oakley, Albion, Almo, Malta Rockland, and 
  Holbrook.

* WHEN...From 8 AM this morning to 8 PM MST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. Higher elevation locations with snow on the ground 
  will likely have blowing and drifting snow over highways 
  creating slick conditions and lower visibilities. Cross winds 
  in areas like I- 15 near Fort Hall and I-84 near Yale will 
  create problems, especially for high profile vehicles.

*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
424 
WWUS75 KPIH 080108
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
608 PM MST Sun Feb 7 2021

IDZ051>057-080215-
/O.CAN.KPIH.WI.Y.0006.000000T0000Z-210208T0300Z/
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-
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, 
and Holbrook
608 PM MST Sun Feb 7 2021

...WIND ADVISORY IS CANCELLED...

Wind speeds have fallen below advisory criteria this evening and
thus the Wind Advisory has been cancelled.

$$

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.