Alert archive / Idaho / Wind Advisories in 2021

Wind Advisory 4, NWS Pocatello, ID

February 4, 20218 counties in Idaho

NWS Pocatello, ID issued this wind advisory at Feb 4, 2021, 1:58 PM MST for 8 counties in Idaho. It took effect at Feb 5, 2021, 9:00 AM MST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Feb 4, 2021, 1:58 PM MST (20:58 UTC)
In effect from
Feb 5, 2021, 9:00 AM MST
Expired
Feb 5, 2021, 7:44 PM MST
In force
11 hr
Issued by
NWS Pocatello, ID

Counties Bannock County, ID, Bingham County, ID, Blaine County, ID, Cassia County, ID, Lincoln County, ID, Minidoka County, ID, Oneida County, ID, Power County, ID

The radar

The Pocatello radar (KSFX), 53 km from the middle of the area, began a volume at 20:57 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

Elko, NV (KLKN), launched 12:00Z, 9.0 hours before the alert went out and 230 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, Elko, NV at 12:00Z on 2021-02-04Temperature 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, Elko, NV at 12:00Z on 2021-02-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.193958Sfc1 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
1210 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
44 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

818 
WWUS75 KPIH 042058
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
158 PM MST Thu Feb 4 2021

IDZ051-054>057-051100-
/O.NEW.KPIH.WI.Y.0004.210205T1600Z-210206T0300Z/
Shoshone/Lava Beds-Lower Snake River Plain-Eastern Magic Valley-
Southern Hills/Albion Mountains-Raft River Region-
Including the cities of Shoshone, Richfield, Carey, Pocatello, 
Blackfoot, American Falls, Shelley, Fort Hall, Burley, Rupert, 
Heyburn, Oakley, Albion, Almo, Malta, Rockland, and Holbrook
158 PM MST Thu Feb 4 2021

...WIND ADVISORY IN EFFECT FROM 9 AM TO 8 PM MST FRIDAY...

* WHAT...West winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* WHERE...Shoshone, Burley, Oakley, Almo, Malta, Rockland,
  Holbrook, American Falls, Pocatello, Fort Hall and Blackfoot
  areas.

* WHEN...From 9 AM to 8 PM MST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects.
  Crosswinds will create difficult driving conditions, 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
3 follow-up statements
927 
WWUS75 KPIH 051007
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
307 AM MST Fri Feb 5 2021

IDZ051-054>057-052200-
/O.CON.KPIH.WI.Y.0004.210205T1600Z-210206T0300Z/
Shoshone/Lava Beds-Lower Snake River Plain-Eastern Magic Valley-
Southern Hills/Albion Mountains-Raft River Region-
Including the cities of Shoshone, Richfield, Carey, Pocatello, 
Blackfoot, American Falls, Shelley, Fort Hall, Burley, Rupert, 
Heyburn, Oakley, Albion, Almo, Malta, Rockland, and Holbrook
307 AM MST Fri Feb 5 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 8 PM
MST THIS EVENING...

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph 
  expected.

* WHERE...Shoshone, Burley, Oakley, Almo, Malta, Rockland,
  Holbrook, American Falls, Pocatello, Fort Hall and Blackfoot.

* WHEN...From 9 AM to 8 PM MST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Crosswinds will create difficult driving conditions, 
  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
101 
WWUS75 KPIH 052113
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
213 PM MST Fri Feb 5 2021

IDZ051-054>057-060300-
/O.CON.KPIH.WI.Y.0004.000000T0000Z-210206T0300Z/
Shoshone/Lava Beds-Lower Snake River Plain-Eastern Magic Valley-
Southern Hills/Albion Mountains-Raft River Region-
Including the cities of Shoshone, Richfield, Carey, Pocatello, 
Blackfoot, American Falls, Shelley, Fort Hall, Burley, Rupert, 
Heyburn, Oakley, Albion, Almo, Malta, Rockland, and Holbrook
213 PM MST Fri Feb 5 2021

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

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph 
  expected.

* WHERE...Shoshone, Burley, Oakley, Almo, Malta, Rockland, 
  Holbrook, American Falls, Pocatello, Fort Hall and Blackfoot.

* WHEN...Until 8 PM MST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Crosswinds will create difficult driving conditions, 
  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
530 
WWUS75 KPIH 060244
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
744 PM MST Fri Feb 5 2021

IDZ051-054>057-060345-
/O.CAN.KPIH.WI.Y.0004.000000T0000Z-210206T0300Z/
Shoshone/Lava Beds-Lower Snake River Plain-Eastern Magic Valley-
Southern Hills/Albion Mountains-Raft River Region-
Including the cities of Shoshone, Richfield, Carey, Pocatello, 
Blackfoot, American Falls, Shelley, Fort Hall, Burley, Rupert, 
Heyburn, Oakley, Albion, Almo, Malta, Rockland, and Holbrook
744 PM MST Fri Feb 5 2021

...WIND ADVISORY IS CANCELLED...

Winds will continue to weaken this evening and the wind 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.

IssuedProductOfficeCountiesLasted
Feb 4, 3:29 AM MSTWinter Weather AdvisoryPIHBear Lake, Bingham, Bonneville, Caribou, Clark, Franklin and 3 more40 hr

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.