Alert archive / Iowa / Mesoscale Discussions in 2005

Mesoscale Discussion 1506

June 27, 20055 states

The Storm Prediction Center issued this mesoscale discussion at Jun 27, 2005, 3:37 PM CDT for 5 states. It was in force for 83 min.

The area

The outline as issued.

The facts

Issued
Jun 27, 2005, 3:37 PM CDT (20:37 UTC)
Expired
Jun 27, 2005, 5:00 PM CDT
In force
83 min
Issued by
the Storm Prediction Center
All 161 counties

Adair County, IA, Adams County, IA, Allamakee County, IA, Audubon County, IA, Benton County, IA, Black Hawk County, IA, Boone County, IA, Bremer County, IA, Buchanan County, IA, Buena Vista County, IA, Butler County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Cerro Gordo County, IA, Cherokee County, IA, Chickasaw County, IA, Clay County, IA, Clayton County, IA, Crawford County, IA, Dallas County, IA, Dickinson County, IA, Emmet County, IA, Fayette County, IA, Floyd County, IA, Franklin County, IA, Greene County, IA, Grundy County, IA, Guthrie County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Harrison County, IA, Howard County, IA, Humboldt County, IA, Ida County, IA, Jasper County, IA, Kossuth County, IA, Lyon County, IA, Madison County, IA, Marion County, IA, Marshall County, IA, Mitchell County, IA, Monona County, IA, Montgomery County, IA, O'Brien County, IA, Osceola County, IA, Palo Alto County, IA, Plymouth County, IA, Pocahontas County, IA, Polk County, IA, Pottawattamie County, IA, Poweshiek County, IA, Sac County, IA, Shelby County, IA, Sioux County, IA, Story County, IA, Tama County, IA, Union County, IA, Warren County, IA, Webster County, IA, Winnebago County, IA, Winneshiek County, IA, Woodbury County, IA, Worth County, IA, Wright County, IA, Baraga County, MI, Gogebic County, MI, Houghton County, MI, Iron County, MI, Ontonagon County, MI, Aitkin County, MN, Anoka County, MN, Benton County, MN, Blue Earth County, MN, Brown County, MN, Carlton County, MN, Carver County, MN, Cass County, MN, Chippewa County, MN, Chisago County, MN, Cook County, MN, Cottonwood County, MN, Crow Wing County, MN, Dakota County, MN, Dodge County, MN, Faribault County, MN, Fillmore County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Houston County, MN, Isanti County, MN, Itasca County, MN, Jackson County, MN, Kanabec County, MN, Kandiyohi County, MN, Lake County, MN, Le Sueur County, MN, Lyon County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Mower County, MN, Murray County, MN, Nicollet County, MN, Nobles County, MN, Olmsted County, MN, Pine County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Rock County, MN, Saint Louis County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Steele County, MN, Todd County, MN, Wabasha County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Winona County, MN, Wright County, MN, Yellow Medicine County, MN, Burt County, NE, Ashland County, WI, Barron County, WI, Bayfield County, WI, Buffalo County, WI, Burnett County, WI, Chippewa County, WI, Clark County, WI, Douglas County, WI, Dunn County, WI, Eau Claire County, WI, Iron County, WI, Jackson County, WI, La Crosse County, WI, Lincoln County, WI, Marathon County, WI, Monroe County, WI, Oneida County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Price County, WI, Rusk County, WI, Saint Croix County, WI, Sawyer County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI, Vilas County, WI, Washburn County, WI, Wood County, WI

The radar

The Minneapolis radar (KMPX), 44 km from the middle of the area, began a volume at 20:37 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.6 hours before the alert went out and 44 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 2005-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 768 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 2005-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 210 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
768 J/kg
Mixed-layer CIN
-175 J/kg
Mixed-layer LCL
1390 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
210 m²/s²
0-3 km storm-relative helicity
221 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.5

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
Jun 27, 12:53 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Calhoun and 33 more2 hr
Jun 27, 2:00 PM CDTSevere Thunderstorm WatchSPCAdair, Audubon, Black Hawk, Boone, Bremer, Buena Vista and 49 more7 hr
Jun 27, 6:02 PM CDTMesoscale DiscussionSPCAdair, Adams, Allamakee, Appanoose, Benton, Black Hawk and 56 more118 min
Jun 27, 1:14 PM CDTMesoscale DiscussionSPCDickinson, Iron2 hr
Jun 27, 3:55 PM CDTSevere Thunderstorm WatchSPCAlger, Baraga, Delta, Dickinson, Gogebic, Iron and 5 more7 hr
Jun 26, 7:08 PM CDTMesoscale DiscussionSPCBecker, Beltrami, Clay, Clearwater, Hubbard, Lake of the Woods and 9 more2 hr
Jun 26, 7:40 PM CDTMesoscale DiscussionSPCAitkin, Carlton, Cass, Crow Wing, Itasca2 hr
Jun 26, 8:15 PM CDTSevere Thunderstorm WatchSPCClay, Kittson, Norman, Traverse, Wilkin8 hr
Jun 26, 9:58 PM CDTMesoscale DiscussionSPCClay, Kittson, Norman, Traverse, Wilkin92 min
Jun 26, 10:20 PM CDTMesoscale DiscussionSPCBecker, Beltrami, Cass, Clearwater, Hubbard, Itasca and 8 more115 min
Jun 26, 11:45 PM CDTSevere Thunderstorm WatchSPCBecker, Beltrami, Cass, Clay, Clearwater, Hubbard and 11 more6 hr
Jun 27, 1:51 AM CDTMesoscale DiscussionSPCClay, Kittson, Marshall, Norman, Polk, Wilkin54 min
Jun 27, 2:59 AM CDTMesoscale DiscussionSPCHubbard, Koochiching61 min
Jun 27, 12:29 PM CDTMesoscale DiscussionSPCAitkin, Benton, Brown, Carlton, Cass, Chippewa and 22 more2 hr
Jun 27, 1:25 PM CDTSevere Thunderstorm WatchSPCAitkin, Benton, Carlton, Cass, Cook, Crow Wing and 8 more5 hr
Jun 27, 5:45 PM CDTSevere Thunderstorm WatchSPCAnoka, Chisago, Isanti, Kanabec, Pine, Ramsey and 1 more3 hr
Jun 27, 3:08 PM CDTMesoscale DiscussionSPCBox Butte, Dawes, Garden, Grant, Morrill, Scotts Bluff and 2 more2 hr
Jun 27, 3:30 PM CDTSevere Thunderstorm WatchSPCArthur, Banner, Box Butte, Cherry, Cheyenne, Dawes and 11 more7 hr
Jun 27, 4:47 PM CDTMesoscale DiscussionSPCChase, Dundy, Frontier, Furnas, Hayes, Hitchcock and 2 more118 min
Jun 27, 6:00 PM CDTMesoscale DiscussionSPCChase, Dundy, Frontier, Furnas, Hayes, Hitchcock and 2 more90 min

Nearby

Mesoscale Discussions in Iowa, 2005Mesoscale Discussions in Minnesota, 2005Mesoscale Discussions in Wisconsin, 2005Every mesoscale discussion in 2005

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.