Alert archive / Minnesota / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 598

June 27, 200319 counties in Minnesota; 9 counties in North Dakota; 9 counties in South Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Jun 27, 2003, 2:25 PM CDT for 19 counties in Minnesota; 9 counties in North Dakota; 9 counties in South Dakota. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jun 27, 2003, 2:25 PM CDT (19:25 UTC)
Expired: Jun 27, 2003, 8:00 PM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 37 counties

Big Stone County, MN, Brown County, MN, Chippewa County, MN, Cottonwood County, MN, Douglas County, MN, Grant County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Lincoln County, MN, Lyon County, MN, Pope County, MN, Redwood County, MN, Renville County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Traverse County, MN, Wilkin County, MN, Yellow Medicine County, MN, Barnes County, ND, Cass County, ND, Dickey County, ND, Foster County, ND, LaMoure County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Stutsman County, ND, Brown County, SD, Clark County, SD, Codington County, SD, Day County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Marshall County, SD, Roberts County, SD

The radar

The Aberdeen radar (KABR), 109 km from the middle of the area, began a volume at 19:28 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

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

Issued	Product	Office	Counties	Lasted
Jun 27, 2:38 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Stutsman	37 min
Jun 27, 3:09 PM CDT	Tornado Warning	BIS	Stutsman	51 min
Jun 27, 3:15 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure	60 min
Jun 27, 3:49 PM CDT	Tornado Warning	BIS	LaMoure	26 min
Jun 27, 4:21 PM CDT	Severe Thunderstorm Warning	FSD	Lincoln, Pipestone	24 min
Jun 27, 4:24 PM CDT	Severe Thunderstorm Warning	FSD	Lincoln, Pipestone	21 min
Jun 27, 4:27 PM CDT	Tornado Warning	BIS	Dickey, LaMoure	33 min
Jun 27, 5:05 PM CDT	Severe Thunderstorm Warning	FSD	Cottonwood	25 min
Jun 27, 5:12 PM CDT	Tornado Warning	BIS	Dickey	33 min
Jun 27, 5:20 PM CDT	Tornado Warning	FGF	Sargent	40 min
Jun 27, 5:42 PM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass	48 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

Aberdeen, SD (KABR), launched 12:00Z, 7.4 hours before the alert went out and 152 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2046 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 134 m²/s²
0-3 km storm-relative helicity: 172 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 27, 12:09 PM CDT	Mesoscale Discussion	SPC	Big Stone, Brown, Chippewa, Cottonwood, Douglas, Grant and 12 more	3 hr
Jun 27, 5:44 PM CDT	Mesoscale Discussion	SPC	Big Stone, Blue Earth, Brown, Carver, Chippewa, Cottonwood and 44 more	91 min
Jun 27, 5:09 PM CDT	Mesoscale Discussion	SPC	Aurora, Beadle, Bennett, Bon Homme, Brule, Buffalo and 31 more	96 min

Nearby

Severe Thunderstorm Watches in Minnesota, 2003 Severe Thunderstorm Watches in North Dakota, 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.