Alert archive / North Dakota / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 535

July 4, 200016 counties in North Dakota; 15 counties in South Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Jul 4, 2000, 8:15 PM MDT for 16 counties in North Dakota; 15 counties in South Dakota. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jul 4, 2000, 8:15 PM MDT (02:15 UTC)
Expired
Jul 5, 2000, 2:00 AM MDT
In force
6 hr
Issued by
the Storm Prediction Center
All 31 counties

Adams County, ND, Burleigh County, ND, Dunn County, ND, Emmons County, ND, Grant County, ND, Hettinger County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND, Mercer County, ND, Morton County, ND, Oliver County, ND, Sioux County, ND, Stark County, ND, Stutsman County, ND, Campbell County, SD, Corson County, SD, Dewey County, SD, Edmunds County, SD, Faulk County, SD, Hughes County, SD, Hyde County, SD, McPherson County, SD, Meade County, SD, Perkins County, SD, Potter County, SD, Stanley County, SD, Sully County, SD, Walworth County, SD, Ziebach County, SD

The radar

The Bismarck radar (KBIS), 138 km from the middle of the area, began a volume at 02:19 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

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

IssuedProductOfficeCountiesLasted
Jul 4, 8:15 PM MDTSevere Thunderstorm WarningBISStutsman60 min
Jul 4, 8:25 PM MDTTornado WarningBISLaMoure35 min
Jul 4, 8:30 PM MDTSevere Thunderstorm WarningUNRMeade60 min
Jul 4, 8:38 PM MDTTornado WarningUNRMeade22 min
Jul 4, 8:52 PM MDTSevere Thunderstorm WarningBISDunn, Stark53 min
Jul 4, 8:58 PM MDTTornado WarningUNRMeade32 min
Jul 4, 9:06 PM MDTTornado WarningBISDickey, LaMoure54 min
Jul 4, 9:28 PM MDTSevere Thunderstorm WarningUNRMeade17 min
Jul 4, 9:38 PM MDTSevere Thunderstorm WarningUNRHaakon, Ziebach67 min
Jul 4, 9:50 PM MDTSevere Thunderstorm WarningBISHettinger40 min
Jul 4, 10:07 PM MDTSevere Thunderstorm WarningBISDickey, LaMoure53 min
Jul 4, 10:51 PM MDTSevere Thunderstorm WarningABRStanley39 min
Jul 4, 11:02 PM MDTSevere Thunderstorm WarningBISStutsman43 min
Jul 5, 12:28 AM MDTSevere Thunderstorm WarningABRHughes32 min

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 2.3 hours before the alert went out and 140 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 2000-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1565 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 2000-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 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
1565 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
683 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.7

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 5, 4:15 PM MDTSevere Thunderstorm WatchSPCBennett, Butte, Custer, Fall River, Harding, Jackson and 4 more6 hr

Nearby

Severe Thunderstorm Watches in North Dakota, 2000Severe Thunderstorm Watches in South Dakota, 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.