Alert archive / North Dakota / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 715

August 28, 200011 counties in Minnesota; 14 counties in North Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Aug 28, 2000, 5:30 AM CDT for 11 counties in Minnesota; 14 counties in North Dakota. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Aug 28, 2000, 5:30 AM CDT (10:30 UTC)
Expired
Aug 28, 2000, 10:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 25 counties

Beltrami County, MN, Clearwater County, MN, Kittson County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Benson County, ND, Cavalier County, ND, Eddy County, ND, Foster County, ND, Grand Forks County, ND, Griggs County, ND, Nelson County, ND, Pembina County, ND, Ramsey County, ND, Steele County, ND, Towner County, ND, Traill County, ND, Walsh County, ND, Wells County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 55 km from the middle of the area, began a volume at 10:40 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

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

IssuedProductOfficeCountiesLasted
Aug 28, 6:00 AM CDTSevere Thunderstorm WarningFGFBenson, Ramsey45 min
Aug 28, 6:14 AM CDTSevere Thunderstorm WarningFGFEddy31 min
Aug 28, 6:24 AM CDTSevere Thunderstorm WarningFGFNelson, Walsh31 min
Aug 28, 6:44 AM CDTSevere Thunderstorm WarningFGFBenson, Eddy, Nelson, Ramsey46 min
Aug 28, 6:44 AM CDTSevere Thunderstorm WarningFGFWalsh46 min
Aug 28, 7:00 AM CDTSevere Thunderstorm WarningFGFCavalier45 min
Aug 28, 7:40 AM CDTSevere Thunderstorm WarningFGFTowner30 min
Aug 28, 8:23 AM CDTSevere Thunderstorm WarningFGFCavalier32 min
Aug 28, 8:38 AM CDTSevere Thunderstorm WarningFGFRamsey32 min
Aug 28, 8:48 AM CDTSevere Thunderstorm WarningFGFCavalier, Walsh32 min
Aug 28, 9:24 AM CDTSevere Thunderstorm WarningFGFPembina31 min
Aug 28, 9:52 AM CDTSevere Thunderstorm WarningFGFKittson28 min

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 10.5 hours before the alert went out and 262 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 2000-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2086 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 2000-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
2086 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
1409 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.1

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
Aug 28, 3:00 PM CDTTornado WatchSPCBenton, Blue Earth, Brown, Chippewa, Cottonwood, Jackson and 22 more5 hr

Nearby

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