Alert archive / Idaho / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 30, NWS Pocatello, ID

July 12, 1995Bonneville County, Idaho

NWS Pocatello, ID issued this severe thunderstorm warning at Jul 12, 1995, 3:39 PM MDT for Bonneville County, Idaho. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Jul 12, 1995, 3:39 PM MDT (21:39 UTC)
Expired
Jul 12, 1995, 4:45 PM MDT
In force
66 min
Issued by
NWS Pocatello, ID
Area
Whole counties

County Bonneville County, ID

The nearest sounding before it

Riverton, WY (KRIW), launched 12:00Z, 9.7 hours before the alert went out and 263 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, Riverton, WY at 12:00Z on 1995-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 32 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 12:00Z on 1995-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
32 J/kg
Mixed-layer CIN
-431 J/kg
Mixed-layer LCL
2177 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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The text

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 1:32 PM MDTSevere Thunderstorm WarningPIHJefferson58 min
Jul 12, 4:03 PM MDTSevere Thunderstorm WarningPIHTeton57 min
Jul 12, 5:53 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham67 min

Nearby

Severe Thunderstorm Warnings in Idaho, 1995Every severe thunderstorm warning in 1995

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.