Alert archive / Idaho / Wind Advisories in 2021

Wind Advisory 23, NWS Pocatello, ID

September 14, 20214 counties in Idaho

NWS Pocatello, ID issued this wind advisory at Sep 14, 2021, 1:25 PM MDT for 4 counties in Idaho. It took effect at Sep 15, 2021, 12:00 PM MDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Sep 14, 2021, 1:25 PM MDT (19:25 UTC)
In effect from
Sep 15, 2021, 12:00 PM MDT
Expired
Sep 15, 2021, 9:00 PM MDT
In force
9 hr
Issued by
NWS Pocatello, ID

Counties Bingham County, ID, Bonneville County, ID, Butte County, ID, Jefferson County, ID

The radar

The Pocatello radar (KSFX), 54 km from the middle of the area, began a volume at 19:29 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 12:00Z, 7.4 hours before the alert went out and 308 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 12:00Z on 2021-09-14Temperature 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 12:00Z on 2021-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.19395878Sfc1 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
2560 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

504 
WWUS75 KPIH 141925
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
125 PM MDT Tue Sep 14 2021

IDZ052-151100-
/O.NEW.KPIH.WI.Y.0023.210915T1800Z-210916T0300Z/
Arco/Mud Lake Desert-
Including the cities of Mud Lake, INL, and Craters of the Moon NM
125 PM MDT Tue Sep 14 2021

...WIND ADVISORY IN EFFECT FROM NOON TO 9 PM MDT WEDNESDAY...

* WHAT...Southwest winds 20 to 30 mph with gusts up to 35 mph 
  expected.

* WHERE...Mud Lake, INL, and Craters of the Moon.

* WHEN...From noon to 9 PM MDT Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects.
  Motorists driving on east-west roads may have difficulty
  driving.

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
442 
WWUS75 KPIH 150954
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
354 AM MDT Wed Sep 15 2021

IDZ052-160300-
/O.CON.KPIH.WI.Y.0023.210915T1800Z-210916T0300Z/
Arco/Mud Lake Desert-
Including the cities of Mud Lake, INL, and Craters of the Moon NM
354 AM MDT Wed Sep 15 2021

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 40 mph 
  expected.

* WHERE...Mud Lake, INL, and Craters of the Moon.

* WHEN...From noon to 9 PM MDT Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

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
813 
WWUS75 KPIH 151933
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
133 PM MDT Wed Sep 15 2021

IDZ052-160300-
/O.CON.KPIH.WI.Y.0023.000000T0000Z-210916T0300Z/
Arco/Mud Lake Desert-
Including the cities of Mud Lake, INL, and Craters of the Moon NM
133 PM MDT Wed Sep 15 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 40 mph 
  expected.

* WHERE...Mud Lake, INL, and Craters of the Moon.

* WHEN...Until 9 PM MDT Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects.
  Motorists driving on east-west roads may have difficulty
  driving.

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

The office that day

Everything else NWS Pocatello, ID issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 14, 1:28 PM MDTRed Flag WarningPIHBingham, Bonneville, Butte, Clark, Fremont, Jefferson and 3 more32 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.