Alert archive / Idaho / Special Weather Statements in 2012

Special Weather Statement, NWS Pocatello, ID

July 1, 2012Custer County, Idaho

NWS Pocatello, ID issued this special weather statement at Jul 1, 2012, 4:10 PM MDT for Custer County, Idaho. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 1, 2012, 4:10 PM MDT (22:10 UTC)
Expired: Jul 1, 2012, 5:00 PM MDT
In force: 50 min
Issued by: NWS Pocatello, ID

County Custer County, ID

The radar

The Pocatello radar (KSFX), 203 km from the middle of the area, began a volume at 22:13 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, 10.2 hours before the alert went out and 203 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 81 J/kg
Mixed-layer CIN: -479 J/kg
Mixed-layer LCL: 1437 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: -79 m²/s²
0-3 km storm-relative helicity: 134 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 3:45 AM MDT	Fire Weather Watch	PIH	Bannock, Bear Lake, Bingham, Bonneville, Butte, Caribou and 10 more	34 hr
Jul 1, 3:45 AM MDT	Red Flag Warning	PIH	Bannock, Bear Lake, Bingham, Bonneville, Butte, Caribou and 10 more	17 hr

Nearby

Special Weather Statements in Idaho, 2012 Every special weather statement in 2012

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.