Alert archive / Missouri / Mesoscale Discussions in 2004

Mesoscale Discussion 1523

July 5, 20044 states

The Storm Prediction Center issued this mesoscale discussion at Jul 5, 2004, 3:43 PM CDT for 4 states. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued
Jul 5, 2004, 3:43 PM CDT (20:43 UTC)
Expired
Jul 5, 2004, 5:15 PM CDT
In force
92 min
Issued by
the Storm Prediction Center
All 82 counties

Bond County, IL, Calhoun County, IL, Clinton County, IL, Jackson County, IL, Jersey County, IL, Madison County, IL, Monroe County, IL, Perry County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL, Allen County, KS, Anderson County, KS, Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Linn County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Audrain County, MO, Barry County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, City of Saint Louis, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Iron County, MO, Jasper County, MO, Jefferson County, MO, Johnson County, MO, Laclede County, MO, Lawrence County, MO, Lincoln County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Moniteau County, MO, Montgomery County, MO, Morgan County, MO, Newton County, MO, Osage County, MO, Perry County, MO, Pettis County, MO, Phelps County, MO, Pike County, MO, Polk County, MO, Pulaski County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, St. Clair County, MO, Stone County, MO, Texas County, MO, Vernon County, MO, Warren County, MO, Washington County, MO, Webster County, MO, Wright County, MO, Craig County, OK, Delaware County, OK, Mayes County, OK, Nowata County, OK, Ottawa County, OK

The radar

The Springfield radar (KSGF), 87 km from the middle of the area, began a volume at 20:45 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

Springfield, MO (KSGF), launched 12:00Z, 8.7 hours before the alert went out and 135 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, Springfield, MO at 12:00Z on 2004-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1923 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, Springfield, MO at 12:00Z on 2004-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 165 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
1923 J/kg
Mixed-layer CIN
-140 J/kg
Mixed-layer LCL
904 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
165 m²/s²
0-3 km storm-relative helicity
212 m²/s²
Significant tornado parameter
0.5
Supercell composite
3.2

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 5, 6:55 AM CDTSevere Thunderstorm WatchSPCBond, Calhoun, Christian, Clinton, Coles, Cumberland and 12 more4 hr
Jul 5, 9:12 AM CDTMesoscale DiscussionSPCBond, Calhoun, Christian, Clark, Clay, Clinton and 34 more63 min
Jul 5, 9:45 AM CDTSevere Thunderstorm WatchSPCClay, Edwards, Franklin, Gallatin, Hamilton, Jackson and 8 more4 hr
Jul 5, 12:08 PM CDTMesoscale DiscussionSPCEdwards, Hardin, Lawrence, Richland, Wabash67 min
Jul 5, 3:00 PM CDTMesoscale DiscussionSPCAdams, Brown, Hancock, Henderson, McDonough, Mercer and 3 more60 min
Jul 5, 4:00 PM CDTTornado WatchSPCAdams, Brown, Calhoun, Cass, Fulton, Greene and 15 more6 hr
Jul 5, 4:20 PM CDTTornado WatchSPCBureau, Carroll, Henderson, Henry, Jo Daviess, Knox and 9 more6 hr
Jul 5, 6:30 PM CDTMesoscale DiscussionSPCBureau, Carroll, Henry, Jo Daviess, Mercer, Rock Island and 1 more60 min
Jul 4, 7:02 PM CDTMesoscale DiscussionSPCNorton, Phillips58 min
Jul 4, 7:12 PM CDTMesoscale DiscussionSPCBarber, Barton, Clark, Comanche, Edwards, Ellis and 15 more2 hr
Jul 4, 7:25 PM CDTSevere Thunderstorm WatchSPCCloud, Graham, Jewell, Mitchell, Norton, Osborne and 5 more7 hr
Jul 4, 9:21 PM CDTMesoscale DiscussionSPCButler, Chase, Cowley, Dickinson, Elk, Ellsworth and 11 more54 min
Jul 4, 9:40 PM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Barber, Barton, Butler, Chase and 44 more6 hr
Jul 4, 10:45 PM CDTMesoscale DiscussionSPCCloud, Jewell, Mitchell, Phillips, Republic, Smith60 min
Jul 4, 11:05 PM CDTSevere Thunderstorm WatchSPCBrown, Clay, Jackson, Marshall, Nemaha, Pottawatomie and 3 more5 hr
Jul 4, 11:20 PM CDTMesoscale DiscussionSPCBarber, Barton, Butler, Chase, Clark, Comanche and 30 more55 min
Jul 5, 1:16 AM CDTMesoscale DiscussionSPCAtchison, Brown, Doniphan, Jackson, Marshall, Nemaha89 min
Jul 5, 2:00 AM CDTSevere Thunderstorm WatchSPCAtchison, Brown, Doniphan, Douglas, Jackson, Jefferson and 5 more5 hr
Jul 5, 2:06 AM CDTMesoscale DiscussionSPCAllen, Anderson, Barber, Butler, Chase, Chautauqua and 20 more114 min
Jul 5, 3:25 AM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 10 more6 hr
Jul 5, 4:45 AM CDTMesoscale DiscussionSPCJohnson, Miami, Wyandotte2 hr
Jul 5, 6:02 AM CDTMesoscale DiscussionSPCBourbon, Cherokee, Crawford, Labette, Montgomery, Neosho88 min
Jul 5, 12:40 PM CDTMesoscale DiscussionSPCCheyenne, Rawlins, Sherman, Thomas2 hr
Jul 5, 2:20 PM CDTSevere Thunderstorm WatchSPCCheyenne, Decatur, Gove, Logan, Rawlins, Sheridan and 3 more6 hr
Jul 5, 4:21 PM CDTMesoscale DiscussionSPCAllen, Barber, Bourbon, Butler, Chautauqua, Cherokee and 20 more114 min
Jul 5, 4:36 PM CDTMesoscale DiscussionSPCClark, Finney, Ford, Grant, Gray, Hamilton and 7 more54 min
Jul 5, 4:40 PM CDTSevere Thunderstorm WatchSPCAllen, Barber, Bourbon, Butler, Chautauqua, Cherokee and 17 more5 hr
Jul 5, 5:45 PM CDTSevere Thunderstorm WatchSPCClark, Comanche, Edwards, Finney, Ford, Grant and 18 more6 hr
Jul 5, 5:52 PM CDTMesoscale DiscussionSPCCheyenne, Decatur, Graham, Logan, Norton, Rawlins and 4 more83 min
Jul 5, 2:22 AM CDTMesoscale DiscussionSPCBeckham, Custer, Dewey, Ellis, Greer, Harmon and 5 more113 min

Nearby

Mesoscale Discussions in Missouri, 2004Mesoscale Discussions in Illinois, 2004Mesoscale Discussions in Kansas, 2004Every mesoscale discussion in 2004

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.