Alert archive / North Dakota / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 423

June 9, 2000Carter County, Fallon County, Montana; 8 counties in North Dakota; Butte County, Harding County, Perkins County, South Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Jun 9, 2000, 4:45 PM MDT for Carter County, Fallon County, Montana; 8 counties in North Dakota; Butte County, Harding County, Perkins County, South Dakota. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jun 9, 2000, 4:45 PM MDT (22:45 UTC)
Expired
Jun 9, 2000, 10:00 PM MDT
In force
5 hr
Issued by
the Storm Prediction Center

Counties Carter County, MT, Fallon County, MT, Adams County, ND, Bowman County, ND, Golden Valley County, ND, Grant County, ND, Hettinger County, ND, Morton County, ND, Slope County, ND, Stark County, ND, Butte County, SD, Harding County, SD, Perkins County, SD

The radar

The Rapid City radar (KUDX), 168 km from the middle of the area, began a volume at 22:48 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 9, 5:17 PM MDTSevere Thunderstorm WarningBYZCarter58 min
Jun 9, 5:44 PM MDTSevere Thunderstorm WarningUNRHarding61 min
Jun 9, 6:43 PM MDTSevere Thunderstorm WarningUNRHarding47 min
Jun 9, 7:05 PM MDTSevere Thunderstorm WarningUNRPerkins45 min
Jun 9, 7:34 PM MDTSevere Thunderstorm WarningBYZCarter, Powder River56 min
Jun 9, 7:45 PM MDTSevere Thunderstorm WarningUNRPerkins45 min
Jun 9, 7:58 PM MDTSevere Thunderstorm WarningUNRButte, Meade32 min
Jun 9, 8:30 PM MDTSevere Thunderstorm WarningUNRMeade, Perkins45 min

The nearest sounding before it

Rapid City, SD (KUNR), launched 12:00Z, 10.8 hours before the alert went out and 173 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 2000-06-09Temperature 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 2000-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3301 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
53 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.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 8, 6:45 PM MDTSevere Thunderstorm WatchSPCDaniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more4 hr
Jun 9, 2:30 PM MDTSevere Thunderstorm WatchSPCBig Horn, Custer, Dawson, Garfield, Musselshell, Petroleum and 6 more6 hr

Nearby

Severe Thunderstorm Watches in North Dakota, 2000Severe Thunderstorm Watches in South Dakota, 2000Severe Thunderstorm Watches in Montana, 2000Every severe thunderstorm watch 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; radar from the NEXRAD Level II archive.