Alert archive / Minnesota / Mesoscale Discussions in 2003

Mesoscale Discussion 1585

July 2, 20034 states

The Storm Prediction Center issued this mesoscale discussion at Jul 2, 2003, 9:06 PM CDT for 4 states. It was in force for 84 min.

The area

The outline as issued.

The facts

Issued: Jul 2, 2003, 9:06 PM CDT (02:06 UTC)
Expired: Jul 2, 2003, 10:30 PM CDT
In force: 84 min
Issued by: the Storm Prediction Center

All 53 counties

Aitkin County, MN, Anoka County, MN, Benton County, MN, Big Stone County, MN, Carlton County, MN, Carver County, MN, Chippewa County, MN, Chisago County, MN, Crow Wing County, MN, Douglas County, MN, Grant County, MN, Hennepin County, MN, Isanti County, MN, Kanabec County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Otter Tail County, MN, Pine County, MN, Pope County, MN, Ramsey County, MN, Renville County, MN, Sherburne County, MN, Stearns County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Traverse County, MN, Wadena County, MN, Washington County, MN, Wilkin County, MN, Wright County, MN, Yellow Medicine County, MN, Richland County, ND, Deuel County, SD, Grant County, SD, Roberts County, SD, Barron County, WI, Bayfield County, WI, Burnett County, WI, Chippewa County, WI, Douglas County, WI, Dunn County, WI, Eau Claire County, WI, Pierce County, WI, Polk County, WI, Rusk County, WI, Saint Croix County, WI, Sawyer County, WI, Washburn County, WI

The radar

The Minneapolis radar (KMPX), 115 km from the middle of the area, began a volume at 02:08 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

Minneapolis, MN (KMPX), launched 00:00Z, 2.1 hours before the alert went out and 113 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: 1209 J/kg
Mixed-layer CIN: -146 J/kg
Mixed-layer LCL: 1701 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 198 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 2, 7:25 PM CDT	Tornado Watch	SPC	Aitkin, Anoka, Benton, Big Stone, Carlton, Carver and 30 more	6 hr
Jul 2, 11:14 PM CDT	Mesoscale Discussion	SPC	Aitkin, Anoka, Benton, Big Stone, Carlton, Carver and 29 more	61 min
Jul 2, 11:50 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Billings, Bowman, Burleigh, Dunn, Emmons and 12 more	4 hr
Jul 3, 2:19 AM CDT	Mesoscale Discussion	SPC	Benson, Bottineau, Burleigh, Kidder, McHenry, McLean and 11 more	86 min
Jul 3, 3:28 PM CDT	Mesoscale Discussion	SPC	Adams, Billings, Bowman, Grant, Hettinger, Sioux and 2 more	3 hr
Jul 3, 4:24 PM CDT	Mesoscale Discussion	SPC	Billings, Burke, Dunn, Golden Valley, Hettinger, McKenzie and 10 more	66 min
Jul 3, 6:45 PM CDT	Severe Thunderstorm Watch	SPC	Aurora, Beadle, Bennett, Brule, Buffalo, Charles Mix and 25 more	6 hr
Jul 3, 12:05 PM CDT	Mesoscale Discussion	SPC	Adams, Calumet, Columbia, Dane, Dodge, Fond du Lac and 13 more	2 hr

Nearby

Mesoscale Discussions in Minnesota, 2003 Mesoscale Discussions in Wisconsin, 2003 Mesoscale Discussions in South Dakota, 2003 Every mesoscale discussion 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.