Alert archive / Missouri / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 148, NWS Kansas City, MO

September 18, 2022Macon County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Sep 18, 2022, 2:15 AM CDT for Macon County, Missouri. It was in force for 30 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 18, 2022, 2:15 AM CDT (07:15 UTC)
Expired: Sep 18, 2022, 2:45 AM CDT
In force: 30 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Macon County, MO

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 7.3 hours before the alert went out and 264 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 125 J/kg
Mixed-layer CIN: -221 J/kg
Mixed-layer LCL: 1271 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 242 m²/s²
0-3 km storm-relative helicity: 280 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Kansas City, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 18, 12:24 AM CDT, 1 hour 51 minutes earlier.

Area forecast discussion, Sep 18, 12:24 AM CDT, 1 hour 51 minutes before

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In the hours before

Special weather statement, Sep 17, 9:42 PM CDT, 4 hours 33 minutes before

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Special weather statement, Sep 18, 1:59 AM CDT, 16 minutes before

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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 17, 9:42 PM CDT	Special Weather Statement	EAX	Worth	33 min
Sep 17, 9:53 PM CDT	Severe Thunderstorm Warning	EAX	Worth	22 min
Sep 18, 1:59 AM CDT	Special Weather Statement	EAX	Macon	31 min
Sep 18, 2:44 AM CDT	Special Weather Statement	EAX	Macon	31 min
Sep 18, 6:00 AM CDT	Special Weather Statement	EAX	Bates	30 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2022 Every severe thunderstorm warning in 2022

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.