Alert archive / Idaho / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 31, NWS Pocatello, ID

June 15, 1996Clark County, Idaho

NWS Pocatello, ID issued this severe thunderstorm warning at Jun 15, 1996, 7:20 PM MDT for Clark County, Idaho. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 15, 1996, 7:20 PM MDT (01:20 UTC)
Expired: Jun 15, 1996, 8:00 PM MDT
In force: 40 min
Issued by: NWS Pocatello, ID
Area: Whole counties

County Clark County, ID

The radar

The Pocatello radar (KSFX), 134 km from the middle of the area, began a volume at 01:22 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

Great_falls, MT (KTFX), launched 00:00Z, 1.3 hours before the alert went out and 378 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: 745 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 2093 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 115 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pocatello, ID wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 15, 2:38 PM MDT, 4 hours 42 minutes earlier.

Area forecast discussion, Jun 15, 2:38 PM MDT, 4 hours 42 minutes before

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Nearby

Severe Thunderstorm Warnings in Idaho, 1996 Every severe thunderstorm warning in 1996

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.