Alert archive / Missouri / Mesoscale Discussions in 2004

Mesoscale Discussion 2319

October 18, 20046 states

The Storm Prediction Center issued this mesoscale discussion at Oct 18, 2004, 2:19 AM CDT for 6 states. It was in force for 56 min.

The area

The outline as issued.

The facts

Issued
Oct 18, 2004, 2:19 AM CDT (07:19 UTC)
Expired
Oct 18, 2004, 3:15 AM CDT
In force
56 min
Issued by
the Storm Prediction Center
All 125 counties

Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Clark County, AR, Clay County, AR, Cleburne County, AR, Conway County, AR, Craighead County, AR, Crawford County, AR, Cross County, AR, Faulkner County, AR, Franklin County, AR, Fulton County, AR, Garland County, AR, Greene County, AR, Hot Spring County, AR, Howard County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Johnson County, AR, Lawrence County, AR, Logan County, AR, Madison County, AR, Marion County, AR, Mississippi County, AR, Montgomery County, AR, Newton County, AR, Perry County, AR, Pike County, AR, Poinsett County, AR, Polk County, AR, Pope County, AR, Pulaski County, AR, Randolph County, AR, Saline County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Sevier County, AR, Sharp County, AR, Stone County, AR, Van Buren County, AR, Washington County, AR, White County, AR, Woodruff County, AR, Yell County, AR, Alexander County, IL, Monroe County, IL, Randolph County, IL, Saint Clair County, IL, Fulton County, KY, Barry County, MO, Benton County, MO, Bollinger County, MO, Boone County, MO, Butler County, MO, Callaway County, MO, Camden County, MO, Cape Girardeau County, MO, Carter County, MO, Christian County, MO, City of Saint Louis, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Dunklin County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Howell County, MO, Iron County, MO, Jefferson County, MO, Johnson County, MO, Laclede County, MO, Lawrence County, MO, Lincoln County, MO, Madison County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Mississippi County, MO, Moniteau County, MO, Montgomery County, MO, Morgan County, MO, New Madrid County, MO, Oregon County, MO, Osage County, MO, Ozark County, MO, Pemiscot County, MO, Perry County, MO, Pettis County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Reynolds County, MO, Ripley County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Scott County, MO, Shannon County, MO, St. Clair County, MO, Stoddard County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Warren County, MO, Washington County, MO, Wayne County, MO, Webster County, MO, Wright County, MO, Adair County, OK, LeFlore County, OK, Sequoyah County, OK, Dyer County, TN, Lake County, TN, Obion County, TN

The radar

The Springfield radar (KSGF), 111 km from the middle of the area, began a volume at 07:21 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

Springfield, MO (KSGF), launched 00:00Z, 7.3 hours before the alert went out and 118 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 00:00Z on 2004-10-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2004-10-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 307 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1179 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
307 m²/s²
0-3 km storm-relative helicity
448 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
Oct 17, 11:30 PM CDTSevere Thunderstorm WatchSPCBaxter, Clay, Fulton, Greene, Marion, Randolph and 1 more6 hr
Oct 18, 4:40 AM CDTMesoscale DiscussionSPCClay, Greene, Randolph, Sharp35 min
Oct 18, 7:44 AM CDTMesoscale DiscussionSPCArkansas, Bradley, Calhoun, Clark, Clay, Cleburne and 43 more61 min
Oct 18, 9:45 AM CDTTornado WatchSPCArkansas, Calhoun, Cleveland, Dallas, Desha, Drew and 12 more5 hr
Oct 18, 11:29 AM CDTMesoscale DiscussionSPCArkansas, Calhoun, Cleveland, Dallas, Desha, Drew and 12 more91 min
Oct 18, 2:18 PM CDTMesoscale DiscussionSPCArkansas, Calhoun, Cleveland, Dallas, Desha, Drew and 12 more57 min
Oct 18, 4:05 PM CDTTornado WatchSPCBaxter, Clay, Cleburne, Craighead, Crittenden, Cross and 15 more5 hr
Oct 18, 5:21 PM CDTMesoscale DiscussionSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 22 more114 min
Oct 18, 5:50 PM CDTTornado WatchSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 20 more5 hr
Oct 17, 10:01 PM CDTMesoscale DiscussionSPCMonroe, Randolph3 hr
Oct 18, 10:20 AM CDTMesoscale DiscussionSPCAlexander, Bond, Clay, Clinton, Edwards, Effingham and 27 more85 min
Oct 18, 12:04 PM CDTMesoscale DiscussionSPCAlexander, Jackson, Monroe, Pulaski, Randolph, Union86 min
Oct 18, 12:40 PM CDTTornado WatchSPCAlexander, Clinton, Jackson, Monroe, Perry, Randolph and 2 more5 hr
Oct 18, 1:55 PM CDTMesoscale DiscussionSPCGallatin, Hardin, Johnson, Massac, Pope, Pulaski and 2 more95 min
Oct 18, 3:41 PM CDTMesoscale DiscussionSPCAlexander, Clinton, Jackson, Monroe, Perry, Randolph and 3 more94 min
Oct 18, 5:05 PM CDTTornado WatchSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 17 more5 hr
Oct 18, 6:05 PM CDTMesoscale DiscussionSPCBond, Clay, Clinton, Crawford, Edwards, Effingham and 23 more115 min
Oct 18, 3:20 PM CDTTornado WatchSPCFranklin, Giles, Lincoln5 hr
Oct 18, 6:02 PM CDTMesoscale DiscussionSPCFranklin, Giles, Lawrence, Lincoln, Moore, Wayne88 min

Nearby

Mesoscale Discussions in Missouri, 2004Mesoscale Discussions in Arkansas, 2004Mesoscale Discussions in Illinois, 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.