Alert archive / North Dakota / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 547

July 6, 2000Kittson County, Minnesota; 15 counties in North Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Jul 6, 2000, 9:00 PM CDT for Kittson County, Minnesota; 15 counties in North Dakota. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jul 6, 2000, 9:00 PM CDT (02:00 UTC)
Expired
Jul 7, 2000, 3:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center

Counties Kittson 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, Rolette 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), 124 km from the middle of the area, began a volume at 01:59 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.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 2.0 hours before the alert went out and 236 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 2000-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2179 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 2000-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 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
2179 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
1212 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
409 m²/s²
Significant tornado parameter
3.5
Supercell composite
29.3

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 7, 12:00 PM CDTTornado WatchSPCAnoka, Becker, Benton, Blue Earth, Brown, Carver and 51 more6 hr
Jul 7, 6:00 PM CDTTornado WatchSPCAnoka, Benton, Big Stone, Carver, Chippewa, Clay and 29 more6 hr
Jul 6, 7:30 PM CDTTornado WatchSPCAdams, Billings, Bottineau, Bowman, Burke, Burleigh and 21 more6 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.