Alert archive / North Dakota / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 532

July 3, 20009 counties in Montana; 15 counties in North Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Jul 3, 2000, 9:00 PM MDT for 9 counties in Montana; 15 counties in North Dakota. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jul 3, 2000, 9:00 PM MDT (03:00 UTC)
Expired
Jul 4, 2000, 2:00 AM MDT
In force
5 hr
Issued by
the Storm Prediction Center
All 24 counties

Custer County, MT, Dawson County, MT, Fallon County, MT, McCone County, MT, Prairie County, MT, Richland County, MT, Roosevelt County, MT, Sheridan County, MT, Wibaux County, MT, Billings County, ND, Burke County, ND, Divide County, ND, Dunn County, ND, Golden Valley County, ND, Hettinger County, ND, McKenzie County, ND, McLean County, ND, Mercer County, ND, Mountrail County, ND, Renville 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
Jul 3, 9:05 PM MDTTornado WarningGGWRoosevelt55 min
Jul 3, 9:06 PM MDTSevere Thunderstorm WarningBYZCuster, Fallon54 min
Jul 3, 9:26 PM MDTSevere Thunderstorm WarningGGWMcCone64 min
Jul 3, 9:47 PM MDTSevere Thunderstorm WarningGGWRichland58 min
Jul 3, 9:52 PM MDTSevere Thunderstorm WarningGGWRoosevelt53 min
Jul 3, 10:09 PM MDTSevere Thunderstorm WarningGGWDawson66 min
Jul 3, 10:18 PM MDTSevere Thunderstorm WarningBISMcKenzie, Williams57 min
Jul 3, 10:41 PM MDTSevere Thunderstorm WarningGGWRichland64 min
Jul 3, 11:20 PM MDTSevere Thunderstorm WarningBISMcKenzie, Williams55 min
Jul 3, 11:34 PM MDTSevere Thunderstorm WarningGGWDawson56 min
Jul 4, 12:06 AM MDTSevere Thunderstorm WarningBYZCuster54 min
Jul 4, 12:35 AM MDTSevere Thunderstorm WarningGGWPrairie55 min

The nearest sounding before it

Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 3.0 hours before the alert went out and 208 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, Glasgow Intl Airport, MT at 00:00Z on 2000-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1264 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, Glasgow Intl Airport, MT at 00:00Z on 2000-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 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
1264 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
1591 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
267 m²/s²
Significant tornado parameter
0.3
Supercell composite
7.6

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
Jul 3, 6:30 PM MDTSevere Thunderstorm WatchSPCDaniels, Dawson, Garfield, McCone, Phillips, Richland and 4 more6 hr
Jul 4, 2:30 PM MDTSevere Thunderstorm WatchSPCBig Horn, Custer, Daniels, Dawson, Garfield, McCone and 10 more6 hr
Jul 4, 5:30 PM MDTSevere Thunderstorm WatchSPCCarter, Dawson, Fallon, Richland, Wibaux5 hr

Nearby

Severe Thunderstorm Watches in North 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.