Alert archive / Minnesota / Mesoscale Discussions in 2003

Mesoscale Discussion 1833

July 14, 200323 counties in Iowa; 38 counties in Minnesota; 11 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Jul 14, 2003, 9:58 AM CDT for 23 counties in Iowa; 38 counties in Minnesota; 11 counties in Wisconsin. It was in force for 62 min.

The area

The outline as issued.

The facts

Issued
Jul 14, 2003, 9:58 AM CDT (14:58 UTC)
Expired
Jul 14, 2003, 11:00 AM CDT
In force
62 min
Issued by
the Storm Prediction Center
All 72 counties

Bremer County, IA, Buena Vista County, IA, Butler County, IA, Cerro Gordo County, IA, Cherokee County, IA, Chickasaw County, IA, Clay County, IA, Dickinson County, IA, Emmet County, IA, Floyd County, IA, Franklin County, IA, Hancock County, IA, Howard County, IA, Humboldt County, IA, Kossuth County, IA, Mitchell County, IA, O'Brien County, IA, Osceola County, IA, Palo Alto County, IA, Pocahontas County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA, Anoka County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chisago County, MN, Cottonwood County, MN, Dakota County, MN, Dodge County, MN, Faribault County, MN, Fillmore County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Isanti County, MN, Jackson County, MN, Kanabec County, MN, Le Sueur County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Mower County, MN, Nicollet County, MN, Olmsted County, MN, Pine County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Steele County, MN, Wabasha County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Winona County, MN, Wright County, MN, Barron County, WI, Buffalo County, WI, Burnett County, WI, Dunn County, WI, Eau Claire County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Saint Croix County, WI, Trempealeau County, WI, Washburn County, WI

The radar

The Minneapolis radar (KMPX), 68 km from the middle of the area, began a volume at 15:00 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 12:00Z, 3.0 hours before the alert went out and 68 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, Minneapolis, MN at 12:00Z on 2003-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 34 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, Minneapolis, MN at 12:00Z on 2003-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 square meters per square second.193958Sfc1 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
34 J/kg
Mixed-layer CIN
-643 J/kg
Mixed-layer LCL
1461 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

IssuedProductOfficeCountiesLasted
Jul 14, 1:52 PM CDTMesoscale DiscussionSPCAudubon, Buena Vista, Carroll, Cherokee, Clay, Crawford and 18 more113 min
Jul 14, 3:45 PM CDTTornado WatchSPCAudubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 23 more6 hr
Jul 13, 9:40 PM CDTSevere Thunderstorm WatchSPCBecker, Beltrami, Clay, Clearwater, Douglas, Grant and 9 more5 hr
Jul 13, 11:02 PM CDTMesoscale DiscussionSPCBecker, Clay, Hubbard, Mahnomen, Norman, Otter Tail and 2 more58 min
Jul 14, 2:10 PM CDTMesoscale DiscussionSPCBecker, Beltrami, Clearwater, Hubbard, Itasca, Kittson and 9 more65 min
Jul 14, 2:35 PM CDTTornado WatchSPCBeltrami, Cass, Clearwater, Hubbard, Itasca, Kittson and 9 more5 hr
Jul 14, 3:50 PM CDTMesoscale DiscussionSPCBeltrami, Cass, Clearwater, Hubbard, Itasca, Kittson and 9 more85 min
Jul 14, 3:57 PM CDTMesoscale DiscussionSPCAitkin, Benton, Big Stone, Crow Wing, Douglas, Grant and 9 more2 hr
Jul 14, 5:05 PM CDTMesoscale DiscussionSPCAitkin, Anoka, Benton, Blue Earth, Brown, Carlton and 37 more55 min
Jul 14, 5:25 PM CDTTornado WatchSPCAitkin, Anoka, Benton, Brown, Carlton, Carver and 36 more5 hr
Jul 14, 5:35 PM CDTTornado WatchSPCCook, Lake, Saint Louis4 hr
Jul 14, 5:55 PM CDTMesoscale DiscussionSPCItasca2 hr
Jul 14, 6:49 PM CDTMesoscale DiscussionSPCBlue Earth, Brown, Jackson, Martin, Nicollet, Watonwan116 min

Nearby

Mesoscale Discussions in Minnesota, 2003Mesoscale Discussions in Iowa, 2003Mesoscale Discussions in Wisconsin, 2003Every 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.