Alert archive / Kansas / Special Weather Statements in 2023

Special Weather Statement, NWS Topeka, KS

August 13, 2023Shawnee County, Kansas

NWS Topeka, KS issued this special weather statement at Aug 13, 2023, 5:21 AM CDT for Shawnee County, Kansas. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 13, 2023, 5:21 AM CDT (10:21 UTC)
Expired: Aug 13, 2023, 5:45 AM CDT
In force: 24 min
Issued by: NWS Topeka, KS
Hail: 0.25 in
Wind: 50

County Shawnee County, KS

The radar

The Topeka radar (KTWX), 35 km from the middle of the area, began a volume at 10:24 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 00:00Z, 10.4 hours before the alert went out and 300 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: 1338 J/kg
Mixed-layer CIN: -154 J/kg
Mixed-layer LCL: 1087 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 50 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

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

NWS Topeka, KS wrote its last area forecast discussion before this special weather statement went out at Aug 13, 4:33 AM CDT, 48 minutes earlier.

Area forecast discussion, Aug 13, 4:33 AM CDT, 48 minutes before

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Hazardous weather outlook, Aug 13, 4:34 AM CDT, 47 minutes before

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In the hours before

Special weather statement, Aug 13, 4:26 AM CDT, 55 minutes before

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Special weather statement, Aug 13, 4:44 AM CDT, 37 minutes before

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Special weather statement, Aug 13, 4:59 AM CDT, 22 minutes before

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Special weather statement, Aug 13, 5:02 AM CDT, 19 minutes before

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Special weather statement, Aug 13, 5:06 AM CDT, 15 minutes before

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Special weather statement, Aug 13, 5:21 AM CDT, 0 minutes before

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The office that day

Everything else NWS Topeka, KS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 13, 12:18 AM CDT	Special Weather Statement	TOP	Ottawa	27 min
Aug 13, 12:45 AM CDT	Special Weather Statement	TOP	Cloud	30 min
Aug 13, 3:51 AM CDT	Special Weather Statement	TOP	Geary	24 min
Aug 13, 4:07 AM CDT	Special Weather Statement	TOP	Clay	38 min
Aug 13, 4:10 AM CDT	Special Weather Statement	TOP	Geary, Wabaunsee	35 min
Aug 13, 4:16 AM CDT	Severe Thunderstorm Warning	TOP	Wabaunsee	29 min
Aug 13, 4:26 AM CDT	Special Weather Statement	TOP	Lyon	34 min
Aug 13, 4:44 AM CDT	Special Weather Statement	TOP	Wabaunsee	31 min
Aug 13, 4:59 AM CDT	Special Weather Statement	TOP	Osage	31 min
Aug 13, 5:02 AM CDT	Special Weather Statement	TOP	Clay, Riley	28 min
Aug 13, 5:06 AM CDT	Special Weather Statement	TOP	Jackson, Pottawatomie	24 min
Aug 13, 5:16 AM CDT	Severe Thunderstorm Warning	TOP	Jackson, Nemaha, Pottawatomie	29 min
Aug 13, 5:38 AM CDT	Special Weather Statement	TOP	Jackson	37 min
Aug 13, 5:48 AM CDT	Special Weather Statement	TOP	Douglas, Shawnee	42 min
Aug 13, 5:55 AM CDT	Special Weather Statement	TOP	Brown, Jefferson	50 min
Aug 13, 6:32 AM CDT	Special Weather Statement	TOP	Douglas	43 min
Aug 13, 4:37 PM CDT	Special Weather Statement	TOP	Dickinson	23 min
Aug 13, 4:55 PM CDT	Special Weather Statement	TOP	Morris	50 min
Aug 13, 5:26 PM CDT	Severe Thunderstorm Warning	TOP	Morris	19 min
Aug 13, 5:42 PM CDT	Special Weather Statement	TOP	Morris	33 min
Aug 13, 5:58 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Lyon	62 min
Aug 13, 6:16 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Coffey, Lyon, Osage	44 min
Aug 13, 6:30 PM CDT	Tornado Warning	TOP	Lyon	30 min
Aug 13, 6:42 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Coffey, Lyon	33 min
Aug 13, 6:50 PM CDT	Tornado Warning	TOP	Coffey	20 min

Nearby

Special Weather Statements in Kansas, 2023 Every special weather statement 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.