Alert archive / Idaho / Wind Advisories in 2021

Wind Advisory 1, NWS Pocatello, ID

January 4, 20217 counties in Idaho

NWS Pocatello, ID issued this wind advisory at Jan 4, 2021, 2:41 AM MST for 7 counties in Idaho. It took effect at Jan 4, 2021, 11:00 PM MST. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Jan 4, 2021, 2:41 AM MST (09:41 UTC)
In effect from
Jan 4, 2021, 11:00 PM MST
Expired
Jan 5, 2021, 3:53 AM MST
In force
5 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, Power County, ID

The radar

The Pocatello radar (KSFX), 53 km from the middle of the area, began a volume at 09:43 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 00:00Z, 9.7 hours before the alert went out and 236 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 00:00Z on 2021-01-04Temperature 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 00:00Z on 2021-01-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 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
1081 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

382 
WWUS75 KPIH 040941
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
241 AM MST Mon Jan 4 2021

IDZ051-054-055-042200-
/O.NEW.KPIH.WI.Y.0001.210105T0600Z-210105T1800Z/
Shoshone/Lava Beds-Lower Snake River Plain-Eastern Magic Valley-
Including the cities of Shoshone, Richfield, Carey, Pocatello, 
Blackfoot, American Falls, Shelley, Fort Hall, Burley, Rupert, 
Heyburn, and Oakley
241 AM MST Mon Jan 4 2021

...WIND ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 11 AM MST
TUESDAY...

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

* WHERE....Shoshone, Richfield, Carey, Pocatello, Blackfoot,
  American Falls, Shelley, Fort Hall, Burley, Rupert, Heyburn,
  Oakley.

* WHEN...From 11 PM this evening to 11 AM MST Tuesday.

* IMPACTS...Gusty winds could blow around unsecured objects.
  Crosswinds will create difficult driving conditions, especially
  for high profile vehicles.

* ADDITIONAL DETAILS...1 TO 3 inches of snow with locally higher
  amounts are expected from Richfield north to Carey, with blowing
  snow possible in this area which may limit visibility and result
  in slick driving conditions. 

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
362 
WWUS75 KPIH 041914
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
1214 PM MST Mon Jan 4 2021

IDZ051-054-055-051100-
/O.CON.KPIH.WI.Y.0001.210105T0600Z-210105T1800Z/
Shoshone/Lava Beds-Lower Snake River Plain-Eastern Magic Valley-
Including the cities of Shoshone, Richfield, Carey, Pocatello, 
Blackfoot, American Falls, Shelley, Fort Hall, Burley, Rupert, 
Heyburn, and Oakley
1214 PM MST Mon Jan 4 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
11 AM MST TUESDAY...

* WHAT...Southwest to west winds 25 to 35 mph with gusts up to 45 
  mph expected.

* WHERE...Shoshone, Richfield, Carey, Pocatello, Blackfoot, 
  American Falls, Shelley, Fort Hall, Burley, Rupert, Heyburn, 
  Oakley.

* WHEN...From 11 PM this evening to 11 AM MST Tuesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Crosswinds will create difficult driving conditions, 
  especially for high profile vehicles.

* ADDITIONAL DETAILS...1 TO 3 inches of snow are expected near
  Craters of the Moon and Arco with areas of blowing and drifting
  snow possible which may limit visibility and result in slick 
  driving conditions.

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
370 
WWUS75 KPIH 051053
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
353 AM MST Tue Jan 5 2021

IDZ051-054-055-051200-
/O.CAN.KPIH.WI.Y.0001.000000T0000Z-210105T1800Z/
Shoshone/Lava Beds-Lower Snake River Plain-Eastern Magic Valley-
Including the cities of Shoshone, Richfield, Carey, Pocatello, 
Blackfoot, American Falls, Shelley, Fort Hall, Burley, Rupert, 
Heyburn, and Oakley
353 AM MST Tue Jan 5 2021

...WIND ADVISORY IS CANCELLED...

Winds have fallen below Advisory criteria with the exception of
the Yale, Idahome and Malta areas. Elsewhere, west-southwest 
winds of 15 to 25 mph with gusts to 40 mph will continue through 
mid- morning before diminishing. 

$$

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.