Alert archive / Idaho / Wind Advisories in 2021

Wind Advisory 26, NWS Pocatello, ID

October 27, 202110 counties in Idaho

NWS Pocatello, ID issued this wind advisory at Oct 27, 2021, 2:24 AM MDT for 10 counties in Idaho. It took effect at Oct 27, 2021, 12:00 PM MDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Oct 27, 2021, 2:24 AM MDT (08:24 UTC)
In effect from
Oct 27, 2021, 12:00 PM MDT
Expired
Oct 27, 2021, 5:00 PM MDT
In force
5 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, Jefferson County, ID, Lincoln County, ID, Minidoka County, ID, Power County, ID

The radar

The Pocatello radar (KSFX), 25 km from the middle of the area, began a volume at 08:25 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 00:00Z, 8.4 hours before the alert went out and 265 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, Boise Airport, ID at 00:00Z on 2021-10-27Temperature 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 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Boise Airport, ID at 00:00Z on 2021-10-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 square meters per square second.1939587897117136156Sfc1 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
1098 m above ground
0-6 km bulk shear
92 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
242 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

694 
WWUS75 KPIH 270824
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
224 AM MDT Wed Oct 27 2021

IDZ051-052-054-055-272300-
/O.NEW.KPIH.WI.Y.0026.211027T1800Z-211027T2300Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Lower Snake River Plain-
Eastern Magic Valley-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Pocatello, Blackfoot, 
American Falls, Shelley, Fort Hall, Burley, Rupert, Heyburn, 
and Oakley
224 AM MDT Wed Oct 27 2021

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 5 PM MDT THIS
AFTERNOON...

* WHAT...West winds 30 to 35 mph with gusts up to 50 mph 
  expected.

* WHERE...The lower Snake River plain, the eastern Magic Valley,
  the Shoshone and Lava Beds area, and the Arco and the Mud Lake
  Desert. This includes Blackfoot, Shelley, Fort Hall, Pocatello,
  American Falls, Rupert, Burley, and Oakley.
 
* WHEN...From noon today to 5 PM MDT this afternoon.

* IMPACTS...Gusty winds could make driving difficult, especially 
  for high profile vehicles. Unsecured objects may be blown 
  around.

* ADDITIONAL DETAILS...Localized areas of blowing dust caused by
  bare soil agricultural fields may reduce visibility suddenly,
  without warning, while traveling highways and interstates,
  making driving hazardous this afternoon.

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

Messick
1 follow-up statement
602 
WWUS75 KPIH 272249
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
449 PM MDT Wed Oct 27 2021

IDZ051-052-054-055-280000-
/O.EXP.KPIH.WI.Y.0026.000000T0000Z-211027T2300Z/
Shoshone/Lava Beds-Arco/Mud Lake Desert-Lower Snake River Plain-
Eastern Magic Valley-
Including the cities of Shoshone, Richfield, Carey, Mud Lake, 
INL, Craters of the Moon NM, Pocatello, Blackfoot, 
American Falls, Shelley, Fort Hall, Burley, Rupert, Heyburn, 
and Oakley
449 PM MDT Wed Oct 27 2021

...WIND ADVISORY WILL EXPIRE AT 5 PM MDT THIS AFTERNOON...

Winds have dropped to below advisory levels, but will be rather 
brisk through sunset. The wind advisory will be allowed to expire 
at 5 pm.

$$

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.