Alert archive / Missouri / Mesoscale Discussions in 2003

Mesoscale Discussion 2386

September 18, 200329 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Sep 18, 2003, 4:04 PM CDT for 29 counties in Missouri. It was in force for 116 min.

The area

The outline as issued.

The facts

Issued
Sep 18, 2003, 4:04 PM CDT (21:04 UTC)
Expired
Sep 18, 2003, 6:00 PM CDT
In force
116 min
Issued by
the Storm Prediction Center
All 29 counties

Audrain County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Christian County, MO, Cole County, MO, Cooper County, MO, Dallas County, MO, Douglas County, MO, Greene County, MO, Hickory County, MO, Howard County, MO, Laclede County, MO, Macon County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Morgan County, MO, Osage County, MO, Ozark County, MO, Polk County, MO, Pulaski County, MO, Randolph County, MO, Shelby County, MO, Stone County, MO, Taney County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 116 km from the middle of the area, began a volume at 21:04 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 12:00Z, 9.1 hours before the alert went out and 166 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 2003-09-18Temperature 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 12:00Z on 2003-09-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1731 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
59 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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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; radar from the NEXRAD Level II archive.