Alert archive / Wyoming / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 372

June 2, 20028 counties in Wyoming

The Storm Prediction Center issued this severe thunderstorm watch at Jun 2, 2002, 2:00 PM MDT for 8 counties in Wyoming. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 2, 2002, 2:00 PM MDT (20:00 UTC)
Expired
Jun 2, 2002, 8:00 PM MDT
In force
6 hr
Issued by
the Storm Prediction Center

Counties Campbell County, WY, Converse County, WY, Crook County, WY, Johnson County, WY, Natrona County, WY, Niobrara County, WY, Sheridan County, WY, Weston County, WY

Warnings issued inside it

11 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jun 2, 2:28 PM MDTSevere Thunderstorm WarningRIWJohnson62 min
Jun 2, 3:02 PM MDTSevere Thunderstorm WarningUNRCampbell58 min
Jun 2, 3:33 PM MDTSevere Thunderstorm WarningRIWJohnson27 min
Jun 2, 4:01 PM MDTSevere Thunderstorm WarningUNRCampbell59 min
Jun 2, 4:14 PM MDTSevere Thunderstorm WarningUNRCrook, Weston61 min
Jun 2, 5:13 PM MDTSevere Thunderstorm WarningUNRCrook, Weston62 min
Jun 2, 5:53 PM MDTSevere Thunderstorm WarningRIWJohnson, Natrona22 min
Jun 2, 6:13 PM MDTSevere Thunderstorm WarningUNRWeston47 min
Jun 2, 6:41 PM MDTSevere Thunderstorm WarningUNRWeston49 min
Jun 2, 7:13 PM MDTSevere Thunderstorm WarningCYSNiobrara32 min
Jun 2, 7:47 PM MDTSevere Thunderstorm WarningCYSNiobrara28 min

The nearest sounding before it

Rapid City, SD (KUNR), launched 12:00Z, 8.0 hours before the alert went out and 188 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, Rapid City, SD at 12:00Z on 2002-06-02Temperature 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, Rapid City, SD at 12:00Z on 2002-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 160 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1390 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
160 m²/s²
0-3 km storm-relative helicity
237 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

Nearby

Severe Thunderstorm Watches in Wyoming, 2002Every severe thunderstorm watch in 2002

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.