Alert archive / Montana / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 400

June 8, 20026 counties in Montana; 4 counties in North Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Jun 8, 2002, 7:00 PM MDT for 6 counties in Montana; 4 counties in North Dakota. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
Jun 8, 2002, 7:00 PM MDT (01:00 UTC)
Expired
Jun 8, 2002, 10:00 PM MDT
In force
3 hr
Issued by
the Storm Prediction Center

Counties Carter County, MT, Custer County, MT, Fallon County, MT, Powder River County, MT, Prairie County, MT, Wibaux County, MT, Billings County, ND, Bowman County, ND, Golden Valley County, ND, Slope County, ND

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 8, 7:18 PM MDTSevere Thunderstorm WarningBYZCarter42 min
Jun 8, 7:32 PM MDTSevere Thunderstorm WarningBYZCarter, Custer, Fallon58 min
Jun 8, 7:48 PM MDTSevere Thunderstorm WarningBISBillings, Golden Valley57 min
Jun 8, 7:59 PM MDTSevere Thunderstorm WarningBYZPowder River46 min
Jun 8, 8:26 PM MDTSevere Thunderstorm WarningBYZCarter, Custer, Fallon49 min
Jun 8, 8:49 PM MDTSevere Thunderstorm WarningBISBillings56 min
Jun 8, 8:55 PM MDTFlash Flood WarningBISBillings, Golden Valley3 hr
Jun 8, 8:59 PM MDTSevere Thunderstorm WarningBYZCarter61 min
Jun 8, 9:16 PM MDTSevere Thunderstorm WarningBYZFallon44 min
Jun 8, 9:57 PM MDTSevere Thunderstorm WarningBYZCarter33 min
Jun 8, 9:58 PM MDTSevere Thunderstorm WarningBISBowman, Slope62 min

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 1.0 hours before the alert went out and 357 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, Bismarck Municip, ND at 00:00Z on 2002-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 51 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, Bismarck Municip, ND at 00:00Z on 2002-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 209 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
51 J/kg
Mixed-layer CIN
-266 J/kg
Mixed-layer LCL
1631 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
209 m²/s²
0-3 km storm-relative helicity
490 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 8, 8:00 PM MDTSevere Thunderstorm WatchSPCAdams, Burleigh, Dunn, Eddy, Emmons, Foster and 14 more5 hr
Jun 9, 1:00 AM MDTSevere Thunderstorm WatchSPCBarnes, Burleigh, Cass, Dickey, Eddy, Emmons and 20 more5 hr

Nearby

Severe Thunderstorm Watches in Montana, 2002Severe Thunderstorm Watches in North Dakota, 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.