Alert archive / Missouri / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 259, NWS Kansas City, MO

September 5, 2023Pettis County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Sep 5, 2023, 7:47 PM CDT for Pettis County, Missouri. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 5, 2023, 7:47 PM CDT (00:47 UTC)
Expired
Sep 5, 2023, 8:30 PM CDT
In force
43 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Pettis County, MO

The radar

The Pleasant Hill radar (KEAX), 85 km from the middle of the area, began a volume at 00:46 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 5, 5:30 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.8 hours before the alert went out and 208 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 2023-09-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2269 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 00:00Z on 2023-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 166 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
2269 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
1568 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
166 m²/s²
0-3 km storm-relative helicity
336 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 5, 7:05 PM CDTSpecial Weather StatementEAXBates25 min
Sep 5, 7:26 PM CDTSpecial Weather StatementEAXHenry34 min
Sep 5, 7:31 PM CDTSevere Thunderstorm WarningEAXBates, Henry29 min
Sep 5, 7:33 PM CDTSpecial Weather StatementEAXPettis27 min
Sep 5, 7:35 PM CDTSevere Thunderstorm WarningEAXHenry25 min
Sep 5, 7:58 PM CDTSevere Thunderstorm WarningEAXHenry31 min
Sep 5, 8:00 PM CDTSpecial Weather StatementEAXHenry30 min
Sep 5, 8:22 PM CDTSpecial Weather StatementEAXHenry38 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2023Every severe thunderstorm warning in 2023

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.