Alert archive / Missouri / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 203, NWS Springfield, MO

July 1, 2023Benton County, St. Clair County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Jul 1, 2023, 8:25 PM CDT for Benton County, St. Clair County, Missouri. It was in force for 50 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: Jul 1, 2023, 8:25 PM CDT (01:25 UTC)
Expired: Jul 1, 2023, 9:15 PM CDT
In force: 50 min
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Benton County, MO, St. Clair County, MO

The radar

The Pleasant Hill radar (KEAX), 96 km from the middle of the area, began a volume at 01:25 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

Topeka, KS (KTOP), launched 00:00Z, 1.4 hours before the alert went out and 205 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: 1045 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 1092 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 47 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 Springfield, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 1, 6:41 PM CDT, 1 hour 44 minutes earlier.

Area forecast discussion, Jul 1, 6:41 PM CDT, 1 hour 44 minutes before

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Hazardous weather outlook, Jul 1, 3:35 PM CDT, 4 hours 50 minutes before

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In the hours before

Local storm report, Jul 1, 3:29 PM CDT, 4 hours 56 minutes before

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Local storm report, Jul 1, 3:39 PM CDT, 4 hours 46 minutes before

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Special weather statement, Jul 1, 4:18 PM CDT, 4 hours 7 minutes before

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Special weather statement, Jul 1, 5:59 PM CDT, 2 hours 26 minutes before

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Local storm report, Jul 1, 6:08 PM CDT, 2 hours 17 minutes before

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Special weather statement, Jul 1, 6:43 PM CDT, 1 hour 42 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 8:16 PM CDT	Special Weather Statement	SGF	Benton, St. Clair	59 min
Jul 1, 8:48 PM CDT	Special Weather Statement	SGF	Vernon	42 min
Jul 1, 8:58 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Miller, Morgan	62 min
Jul 1, 10:05 PM CDT	Special Weather Statement	SGF	Miller	25 min
Jul 1, 10:37 PM CDT	Special Weather Statement	SGF	Maries	53 min
Jul 1, 11:19 PM CDT	Special Weather Statement	SGF	Cedar	26 min
Jul 1, 11:40 PM CDT	Special Weather Statement	SGF	Phelps	35 min
Jul 2, 1:43 PM CDT	Special Weather Statement	SGF	Oregon	47 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2023 Every 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.