Alert archive / Missouri / Mesoscale Discussions in 2004

Mesoscale Discussion 2097

August 24, 2004Bourbon County, Cherokee County, Crawford County, Kansas; 41 counties in Missouri; Ottawa County, Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Aug 24, 2004, 12:08 PM CDT for Bourbon County, Cherokee County, Crawford County, Kansas; 41 counties in Missouri; Ottawa County, Oklahoma. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Aug 24, 2004, 12:08 PM CDT (17:08 UTC)
Expired
Aug 24, 2004, 2:15 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
All 45 counties

Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Barry County, MO, Barton County, MO, Benton County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, Cole County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Hickory County, MO, Iron County, MO, Jasper County, MO, Jefferson County, MO, Laclede County, MO, Lawrence County, MO, Madison County, MO, Maries County, MO, Miller County, MO, Morgan County, MO, Newton County, MO, Osage County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Reynolds County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Shannon County, MO, St. Clair County, MO, Stone County, MO, Texas County, MO, Vernon County, MO, Washington County, MO, Webster County, MO, Wright County, MO, Ottawa County, OK

The radar

The Springfield radar (KSGF), 95 km from the middle of the area, began a volume at 17:08 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 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, 5.1 hours before the alert went out and 146 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 2004-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1625 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 2004-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 154 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
1625 J/kg
Mixed-layer CIN
-124 J/kg
Mixed-layer LCL
759 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
154 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

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
Aug 23, 9:11 PM CDTMesoscale DiscussionSPCAllen, Anderson, Clay, Coffey, Douglas, Franklin and 10 more94 min
Aug 24, 5:26 PM CDTMesoscale DiscussionSPCAnderson, Atchison, Brown, Chase, Clay, Cloud and 27 more3 hr
Aug 23, 10:18 PM CDTMesoscale DiscussionSPCBates, Benton, Camden, Cass, Cole, Cooper and 14 more117 min
Aug 24, 3:02 AM CDTMesoscale DiscussionSPCAndrew, Atchison, Gentry, Harrison, Holt, Mercer and 2 more118 min
Aug 24, 1:13 PM CDTMesoscale DiscussionSPCBollinger, Cape Girardeau, Carter, Crawford, Dent, Douglas and 20 more2 hr
Aug 24, 1:20 PM CDTSevere Thunderstorm WatchSPCBarry, Barton, Bollinger, Cape Girardeau, Christian, Crawford and 34 more6 hr

Nearby

Mesoscale Discussions in Missouri, 2004Mesoscale Discussions in Kansas, 2004Mesoscale Discussions in Oklahoma, 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.