Alert archive / Idaho / Wind Advisories in 2021

Wind Advisory 20, NWS Pocatello, ID

June 5, 20214 counties in Idaho

NWS Pocatello, ID issued this wind advisory at Jun 5, 2021, 3:30 AM MDT for 4 counties in Idaho. It took effect at Jun 5, 2021, 11:00 AM MDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Jun 5, 2021, 3:30 AM MDT (09:30 UTC)
In effect from
Jun 5, 2021, 11:00 AM MDT
Expired
Jun 5, 2021, 9:00 PM MDT
In force
10 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 09:33 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, 9.5 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 00:00Z on 2021-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 62 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 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
62 J/kg
Mixed-layer CIN
-181 J/kg
Mixed-layer LCL
2953 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
12 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

581 
WWUS75 KPIH 050930
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
330 AM MDT Sat Jun 5 2021

IDZ052-060300-
/O.NEW.KPIH.WI.Y.0020.210605T1700Z-210606T0300Z/
Arco/Mud Lake Desert-
Including the cities of Mud Lake, INL, and Craters of the Moon NM
330 AM MDT Sat Jun 5 2021

...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 9 PM MDT
THIS EVENING...

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

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

* WHEN...From 11 AM this morning to 9 PM MDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. High
  profile vehicles may have difficulty driving.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

IDZ054-060300-
/O.CON.KPIH.LW.Y.0020.210605T1700Z-210606T0300Z/
Lower Snake River Plain-
Including the cities of Pocatello, Blackfoot, American Falls, 
Shelley, and Fort Hall
330 AM MDT Sat Jun 5 2021

...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 9 PM MDT THIS EVENING...

* WHAT...Southwest winds 15 to 25 mph with gusts up to 35 mph 
  expected.

* WHERE...American Falls Reservoir.

* WHEN...From 11 AM to 9 PM MDT Saturday.

* IMPACTS...Strong winds and rough waves on area lakes will 
  create hazardous conditions for small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Boaters on area lakes should use extra caution since strong winds
and rough waves can overturn small craft.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/pocatello
1 follow-up statement
215 
WWUS75 KPIH 060251
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
851 PM MDT Sat Jun 5 2021

IDZ052-060400-
/O.EXP.KPIH.WI.Y.0020.000000T0000Z-210606T0300Z/
Arco/Mud Lake Desert-
Including the cities of Mud Lake, INL, and Craters of the Moon NM
851 PM MDT Sat Jun 5 2021

...WIND ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING...

Wind speeds have fallen below advisory levels and thus the Wind
Advisory will be allowed to expire at 9 PM MDT this evening.

$$

IDZ054-060400-
/O.EXP.KPIH.LW.Y.0020.000000T0000Z-210606T0300Z/
Lower Snake River Plain-
Including the cities of Pocatello, Blackfoot, American Falls, 
Shelley, and Fort Hall
851 PM MDT Sat Jun 5 2021

...LAKE WIND ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING...

Wind speeds have fallen below advisory levels and thus the Lake
Wind Advisory will be allowed to expire at 9 PM MDT this evening.

$$

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
Jun 4, 6:40 PM MDTSpecial Weather StatementPIHFranklin65 min
Jun 4, 7:31 PM MDTSpecial Weather StatementPIHFranklin59 min
Jun 4, 7:47 PM MDTSpecial Weather StatementPIHCassia58 min
Jun 5, 3:18 PM MDTSpecial Weather StatementPIHCaribou57 min

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.