Alert archive / North Dakota / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 557

June 21, 200314 counties in Minnesota; 26 counties in North Dakota; 7 counties in South Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Jun 21, 2003, 6:50 PM CDT for 14 counties in Minnesota; 26 counties in North Dakota; 7 counties in South Dakota. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: Jun 21, 2003, 6:50 PM CDT (23:50 UTC)
Expired: Jun 22, 2003, 2:00 AM CDT
In force: 7 hr
Issued by: the Storm Prediction Center

All 47 counties

Big Stone County, MN, Clay County, MN, Grant County, MN, Kittson County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Stevens County, MN, Traverse County, MN, Wilkin County, MN, Barnes County, ND, Benson County, ND, Cass County, ND, Cavalier County, ND, Dickey County, ND, Eddy County, ND, Foster County, ND, Grand Forks County, ND, Griggs County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND, Nelson County, ND, Pembina County, ND, Ramsey County, ND, Ransom County, ND, Richland County, ND, Rolette County, ND, Sargent County, ND, Steele County, ND, Stutsman County, ND, Towner County, ND, Traill County, ND, Walsh County, ND, Wells County, ND, Brown County, SD, Day County, SD, Edmunds County, SD, Grant County, SD, Marshall County, SD, McPherson County, SD, Roberts County, SD

The radar

The Fargo/Grand Forks radar (KMVX), 122 km from the middle of the area, began a volume at 23:50 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

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

Issued	Product	Office	Counties	Lasted
Jun 21, 7:06 PM CDT	Severe Thunderstorm Warning	BIS	Foster	39 min
Jun 21, 7:11 PM CDT	Severe Thunderstorm Warning	ABR	McPherson	19 min
Jun 21, 7:16 PM CDT	Severe Thunderstorm Warning	FGF	Eddy	44 min
Jun 21, 7:24 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey	51 min
Jun 21, 7:26 PM CDT	Severe Thunderstorm Warning	FGF	Nelson	49 min
Jun 21, 7:27 PM CDT	Severe Thunderstorm Warning	BIS	McIntosh	48 min
Jun 21, 7:28 PM CDT	Severe Thunderstorm Warning	ABR	Edmunds	47 min
Jun 21, 7:30 PM CDT	Severe Thunderstorm Warning	ABR	McPherson	45 min
Jun 21, 7:48 PM CDT	Severe Thunderstorm Warning	BIS	Stutsman	42 min
Jun 21, 7:56 PM CDT	Severe Thunderstorm Warning	ABR	Brown	64 min
Jun 21, 8:01 PM CDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure	59 min
Jun 21, 8:01 PM CDT	Severe Thunderstorm Warning	FGF	Griggs, Steele	44 min
Jun 21, 8:11 PM CDT	Severe Thunderstorm Warning	FGF	Barnes	49 min
Jun 21, 8:13 PM CDT	Severe Thunderstorm Warning	ABR	Jones, McPherson	47 min
Jun 21, 8:16 PM CDT	Severe Thunderstorm Warning	ABR	Edmunds, Faulk	44 min
Jun 21, 8:18 PM CDT	Severe Thunderstorm Warning	FGF	Ramsey, Walsh	42 min
Jun 21, 8:21 PM CDT	Severe Thunderstorm Warning	FGF	Nelson	24 min
Jun 21, 8:26 PM CDT	Tornado Warning	FGF	Ramsey, Walsh	49 min
Jun 21, 8:41 PM CDT	Tornado Warning	FGF	Nelson	34 min
Jun 21, 8:56 PM CDT	Severe Thunderstorm Warning	FGF	Cass	64 min
Jun 21, 9:01 PM CDT	Severe Thunderstorm Warning	ABR	Brown, Edmunds, Faulk, Spink	59 min
Jun 21, 9:10 PM CDT	Severe Thunderstorm Warning	FGF	Ransom, Richland, Sargent	65 min
Jun 21, 9:37 PM CDT	Severe Thunderstorm Warning	FGF	Polk	23 min
Jun 21, 9:54 PM CDT	Severe Thunderstorm Warning	FGF	Clay, Norman	51 min
Jun 21, 9:59 PM CDT	Severe Thunderstorm Warning	ABR	Brown, Spink	61 min
Jun 21, 10:01 PM CDT	Severe Thunderstorm Warning	FGF	Polk, Red Lake	44 min
Jun 21, 10:20 PM CDT	Severe Thunderstorm Warning	FGF	Pennington	40 min
Jun 21, 10:46 PM CDT	Severe Thunderstorm Warning	FGF	Polk	44 min
Jun 21, 10:49 PM CDT	Severe Thunderstorm Warning	FGF	Mahnomen	41 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 11.8 hours before the alert went out and 185 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 44 J/kg
Mixed-layer CIN: -279 J/kg
Mixed-layer LCL: 1100 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 168 m²/s²
0-3 km storm-relative helicity: 42 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 21, 2:45 PM CDT	Severe Thunderstorm Watch	SPC	Kittson, Marshall	6 hr
Jun 21, 3:03 PM CDT	Mesoscale Discussion	SPC	Brown, Cottonwood, Jackson, Lincoln, Lyon, Murray and 5 more	117 min
Jun 21, 1:14 PM CDT	Mesoscale Discussion	SPC	Adams, Benson, Bottineau, Burleigh, Emmons, Grant and 17 more	3 hr
Jun 21, 5:10 PM CDT	Mesoscale Discussion	SPC	Barnes, Benson, Burleigh, Cass, Eddy, Emmons and 25 more	95 min
Jun 20, 8:59 PM CDT	Mesoscale Discussion	SPC	Bennett, Todd	61 min
Jun 21, 2:10 PM CDT	Severe Thunderstorm Watch	SPC	Aurora, Bennett, Brule, Buffalo, Butte, Charles Mix and 23 more	7 hr
Jun 21, 4:52 PM CDT	Mesoscale Discussion	SPC	Aurora, Bennett, Brule, Buffalo, Butte, Charles Mix and 25 more	83 min

Nearby

Severe Thunderstorm Watches in North Dakota, 2003 Severe Thunderstorm Watches in Minnesota, 2003 Severe Thunderstorm Watches in South Dakota, 2003 Every severe thunderstorm watch in 2003

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.