Alert archive / Idaho / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 13, NWS Pocatello, ID

July 18, 2000Butte County, Idaho

NWS Pocatello, ID issued this severe thunderstorm warning at Jul 18, 2000, 1:05 AM MDT for Butte County, Idaho. It was in force for 30 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
Jul 18, 2000, 1:05 AM MDT (07:05 UTC)
Expired
Jul 18, 2000, 1:35 AM MDT
In force
30 min
Issued by
NWS Pocatello, ID
Area
Whole counties

County Butte County, ID

The nearest sounding before it

Boise Airport, ID (KBOI), launched 00:00Z, 7.1 hours before the alert went out and 244 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, Boise Airport, ID at 00:00Z on 2000-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 46 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, Boise Airport, ID at 00:00Z on 2000-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.1939Sfc1 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
46 J/kg
Mixed-layer CIN
-134 J/kg
Mixed-layer LCL
3221 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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
Jul 17, 6:17 PM MDTSevere Thunderstorm WarningPIHCassia18 min
Jul 18, 1:11 AM MDTSevere Thunderstorm WarningPIHButte44 min
Jul 18, 1:30 PM MDTSevere Thunderstorm WarningPIHButte25 min
Jul 18, 2:16 PM MDTSevere Thunderstorm WarningPIHJefferson44 min
Jul 18, 2:37 PM MDTSevere Thunderstorm WarningPIHFremont, Madison63 min

Nearby

Severe Thunderstorm Warnings in Idaho, 2000Every severe thunderstorm warning in 2000

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.