Alert archive / Idaho / Lake Wind Advisories in 2021

Lake Wind Advisory 15, NWS Pocatello, ID

May 17, 2021Bannock County, Bingham County, Power County, Idaho

NWS Pocatello, ID issued this lake wind advisory at May 17, 2021, 2:02 PM MDT for Bannock County, Bingham County, Power County, Idaho. It took effect at May 18, 2021, 9:00 AM MDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
May 17, 2021, 2:02 PM MDT (20:02 UTC)
In effect from
May 18, 2021, 9:00 AM MDT
Expired
May 18, 2021, 8:03 PM MDT
In force
11 hr
Issued by
NWS Pocatello, ID

Counties Bannock County, ID, Bingham County, ID, Power County, ID

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 12:00Z, 8.0 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, Salt Lake City I, UT at 12:00Z on 2021-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Salt Lake City I, UT at 12:00Z on 2021-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
25 J/kg
Mixed-layer CIN
-345 J/kg
Mixed-layer LCL
1620 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 6:29 PM MDTSpecial Weather StatementPIHCassia91 min
May 16, 6:31 PM MDTSpecial Weather StatementPIHPower89 min
May 16, 6:54 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham, Blaine, Cassia, Lincoln, Minidoka and 1 more66 min
May 17, 5:37 PM MDTSpecial Weather StatementPIHBear Lake38 min

Nearby

Lake Wind Advisories in Idaho, 2021Every lake 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.