Alert archive / North Dakota / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 459

June 23, 200225 counties in North Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Jun 23, 2002, 1:15 PM MDT for 25 counties in North Dakota. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 23, 2002, 1:15 PM MDT (19:15 UTC)
Expired
Jun 23, 2002, 7:00 PM MDT
In force
6 hr
Issued by
the Storm Prediction Center
All 25 counties

Adams County, ND, Billings County, ND, Bottineau County, ND, Bowman County, ND, Burke County, ND, Burleigh County, ND, Divide County, ND, Dunn County, ND, Golden Valley County, ND, Grant County, ND, Hettinger County, ND, McHenry County, ND, McKenzie County, ND, McLean County, ND, Mercer County, ND, Morton County, ND, Mountrail County, ND, Oliver County, ND, Renville County, ND, Sheridan County, ND, Sioux County, ND, Slope County, ND, Stark County, ND, Ward County, ND, Williams County, ND

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 23, 2:17 PM MDTSevere Thunderstorm WarningBISDunn58 min
Jun 23, 2:19 PM MDTSevere Thunderstorm WarningBISBowman41 min
Jun 23, 3:00 PM MDTSevere Thunderstorm WarningBISDunn, Mercer, Stark60 min
Jun 23, 3:31 PM MDTSevere Thunderstorm WarningBISMorton59 min
Jun 23, 4:28 PM MDTSevere Thunderstorm WarningBISMercer, Morton, Oliver62 min
Jun 23, 4:55 PM MDTSevere Thunderstorm WarningBISMcLean65 min
Jun 23, 5:09 PM MDTSevere Thunderstorm WarningBISBurleigh66 min
Jun 23, 5:30 PM MDTSevere Thunderstorm WarningBISMorton, Oliver60 min
Jun 23, 5:57 PM MDTSevere Thunderstorm WarningBISBurleigh63 min
Jun 23, 6:21 PM MDTSevere Thunderstorm WarningBISDunn, Mercer54 min
Jun 23, 6:32 PM MDTSevere Thunderstorm WarningBISBurleigh, Morton58 min
Jun 23, 6:57 PM MDTTornado WarningBISBurleigh33 min

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 7.3 hours before the alert went out and 137 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 12:00Z on 2002-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 201 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 12:00Z on 2002-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.193958Sfc1 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
201 J/kg
Mixed-layer CIN
-305 J/kg
Mixed-layer LCL
1219 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
166 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 22, 6:15 PM MDTSevere Thunderstorm WatchSPCAdams, Billings, Bowman, Golden Valley, Hettinger, McKenzie and 2 more5 hr
Jun 22, 9:30 PM MDTSevere Thunderstorm WatchSPCBurleigh, Dunn, Emmons, Grant, Kidder, Logan and 8 more5 hr
Jun 23, 3:00 PM MDTSevere Thunderstorm WatchSPCBarnes, Cass, Dickey, Emmons, Foster, Griggs and 10 more6 hr

Nearby

Severe 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.