Alert archive / Missouri / Mesoscale Discussions in 2003

Mesoscale Discussion 2189

August 19, 200335 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Aug 19, 2003, 2:38 PM CDT for 35 counties in Missouri. It was in force for 97 min.

The area

The outline as issued.

The facts

Issued
Aug 19, 2003, 2:38 PM CDT (19:38 UTC)
Expired
Aug 19, 2003, 4:15 PM CDT
In force
97 min
Issued by
the Storm Prediction Center
All 35 counties

Benton County, MO, Caldwell County, MO, Camden County, MO, Carroll County, MO, Clay County, MO, Clinton County, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Dallas County, MO, Daviess County, MO, DeKalb County, MO, Dent County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Laclede County, MO, Lafayette County, MO, Livingston County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Morgan County, MO, Osage County, MO, Pettis County, MO, Phelps County, MO, Platte County, MO, Pulaski County, MO, Ray County, MO, Reynolds County, MO, Saline County, MO, Shannon County, MO, Texas County, MO

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, 7.6 hours before the alert went out and 189 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 2003-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1592 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 2003-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.1939Sfc1 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
1592 J/kg
Mixed-layer CIN
-106 J/kg
Mixed-layer LCL
1643 m above ground
0-6 km bulk shear
2 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
20 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
Aug 19, 2:51 PM CDTMesoscale DiscussionSPCAndrew, Atchison, Holt, Nodaway, Worth84 min
Aug 19, 3:25 PM CDTSevere Thunderstorm WatchSPCAndrew, Atchison, Buchanan, Daviess, DeKalb, Gentry and 6 more6 hr
Aug 19, 6:10 PM CDTMesoscale DiscussionSPCAndrew, Atchison, DeKalb, Gentry, Harrison, Holt and 3 more95 min

Nearby

Mesoscale Discussions in Missouri, 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.