Alert archive / Missouri / Mesoscale Discussions in 2003

Mesoscale Discussion 1507

June 25, 20035 states

The Storm Prediction Center issued this mesoscale discussion at Jun 25, 2003, 2:43 PM CDT for 5 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jun 25, 2003, 2:43 PM CDT (19:43 UTC)
Expired
Jun 25, 2003, 4:45 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
All 134 counties

Appanoose County, IA, Cedar County, IA, Clinton County, IA, Davis County, IA, Decatur County, IA, Des Moines County, IA, Dubuque County, IA, Henry County, IA, Iowa County, IA, Jackson County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Lee County, IA, Louisa County, IA, Lucas County, IA, Mahaska County, IA, Marion County, IA, Monroe County, IA, Muscatine County, IA, Scott County, IA, Van Buren County, IA, Wapello County, IA, Washington County, IA, Wayne County, IA, Adams County, IL, Boone County, IL, Bureau County, IL, Carroll County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, Jo Daviess County, IL, Knox County, IL, Lee County, IL, McDonough County, IL, Mercer County, IL, Ogle County, IL, Rock Island County, IL, Stark County, IL, Stephenson County, IL, Warren County, IL, Whiteside County, IL, Winnebago County, IL, Allen County, KS, Anderson County, KS, Bourbon County, KS, Chautauqua County, KS, Coffey County, KS, Crawford County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Greenwood County, KS, Johnson County, KS, Labette County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Miami County, KS, Montgomery County, KS, Neosho County, KS, Osage County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Adair County, MO, Audrain County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Buchanan County, MO, Caldwell County, MO, Callaway County, MO, Camden County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, Clark County, MO, Clay County, MO, Clinton County, MO, Cole County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Knox County, MO, Lafayette County, MO, Lewis County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Marion County, MO, Mercer County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Morgan County, MO, Pettis County, MO, Platte County, MO, Polk County, MO, Putnam County, MO, Ralls County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Scotland County, MO, Shelby County, MO, St. Clair County, MO, Sullivan County, MO, Vernon County, MO, Columbia County, WI, Dane County, WI, Dodge County, WI, Green County, WI, Iowa County, WI, Jefferson County, WI, Lafayette County, WI, Rock County, WI, Sauk County, WI, Walworth County, WI

The radar

The Des Moines radar (KDMX), 193 km from the middle of the area, began a volume at 19:45 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

Davenport, (KDVN), launched 12:00Z, 7.7 hours before the alert went out and 201 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, Davenport, at 12:00Z on 2003-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 875 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, Davenport, at 12:00Z on 2003-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 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
875 J/kg
Mixed-layer CIN
-121 J/kg
Mixed-layer LCL
1114 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
99 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
Jun 25, 11:50 AM CDTMesoscale DiscussionSPCBoone, Carroll, Henderson, Henry, Jo Daviess, Lee and 7 more115 min
Jun 25, 12:05 PM CDTSevere Thunderstorm WatchSPCCarroll, Henderson, Henry, Jo Daviess, Mercer, Ogle and 5 more6 hr
Jun 25, 12:45 PM CDTSevere Thunderstorm WatchSPCHancock5 hr
Jun 25, 4:52 PM CDTMesoscale DiscussionSPCAdams, Bond, Brown, Bureau, Calhoun, Cass and 70 more113 min
Jun 25, 5:15 PM CDTSevere Thunderstorm WatchSPCAdams, Boone, Brown, Bureau, Calhoun, Cass and 44 more5 hr
Jun 24, 8:35 PM CDTTornado WatchSPCLyon, Sioux5 hr
Jun 24, 10:27 PM CDTMesoscale DiscussionSPCDickinson, Lyon, O'Brien, Osceola, Plymouth, Sioux93 min
Jun 24, 10:55 PM CDTTornado WatchSPCBuena Vista, Cerro Gordo, Cherokee, Clay, Dickinson, Emmet and 11 more5 hr
Jun 25, 12:37 AM CDTMesoscale DiscussionSPCBoone, Butler, Calhoun, Carroll, Chickasaw, Crawford and 12 more113 min
Jun 25, 10:36 AM CDTMesoscale DiscussionSPCAdams, Appanoose, Benton, Cass, Clarke, Davis and 24 more114 min
Jun 25, 11:38 AM CDTMesoscale DiscussionSPCBuena Vista, Calhoun, Carroll, Clay, Emmet, Greene and 8 more2 hr
Jun 24, 8:51 PM CDTMesoscale DiscussionSPCDecatur, Graham, Logan, Norton, Rawlins, Sheridan and 3 more54 min
Jun 25, 6:52 PM CDTMesoscale DiscussionSPCChautauqua, Cherokee, Labette, Montgomery83 min
Jun 24, 7:09 PM CDTMesoscale DiscussionSPCBurnett, Dunn, Pierce, Polk, Saint Croix66 min
Jun 24, 8:15 PM CDTTornado WatchSPCBarron, Burnett, Douglas, Dunn, Pierce, Polk and 2 more6 hr
Jun 25, 1:42 PM CDTMesoscale DiscussionSPCBrown, Calumet, Columbia, Dodge, Florence, Fond du Lac and 11 more2 hr
Jun 25, 2:10 PM CDTSevere Thunderstorm WatchSPCBrown, Calumet, Door, Florence, Forest, Kewaunee and 11 more5 hr
Jun 25, 5:14 PM CDTMesoscale DiscussionSPCBrown, Calumet, Door, Florence, Forest, Kewaunee and 10 more91 min

Nearby

Mesoscale Discussions in Missouri, 2003Mesoscale Discussions in Iowa, 2003Mesoscale Discussions in Kansas, 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.