Alert archive / Idaho / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 35, NWS Pocatello, ID

June 25, 1998Fremont County, Madison County, Idaho

NWS Pocatello, ID issued this severe thunderstorm warning at Jun 25, 1998, 11:42 PM MDT for Fremont County, Madison County, Idaho. It was in force for 33 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 25, 1998, 11:42 PM MDT (05:42 UTC)
Expired
Jun 26, 1998, 12:15 AM MDT
In force
33 min
Issued by
NWS Pocatello, ID
Area
Whole counties

Counties Fremont County, ID, Madison County, ID

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 00:00Z, 5.7 hours before the alert went out and 360 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 00:00Z on 1998-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 1998-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3054 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
253 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 8:30 PM MDTSevere Thunderstorm WarningPIHLincoln45 min
Jun 25, 8:57 PM MDTSevere Thunderstorm WarningPIHBlaine, Lincoln33 min
Jun 25, 10:21 PM MDTSevere Thunderstorm WarningPIHBlaine, Cassia, Minidoka34 min
Jun 25, 10:51 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham34 min
Jun 25, 11:06 PM MDTSevere Thunderstorm WarningPIHJefferson34 min

Nearby

Severe Thunderstorm Warnings in Idaho, 1998Every severe thunderstorm warning in 1998

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.