Alert archive / Kansas / Special Weather Statements in 2017

Special Weather Statement, NWS Topeka, KS

June 15, 2017Douglas County, Kansas

NWS Topeka, KS issued this special weather statement at Jun 15, 2017, 12:56 AM CDT for Douglas County, Kansas. It was in force for 34 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: Jun 15, 2017, 12:56 AM CDT (05:56 UTC)
Expired: Jun 15, 2017, 1:30 AM CDT
In force: 34 min
Issued by: NWS Topeka, KS

County Douglas County, KS

The radar

The Topeka radar (KTWX), 71 km from the middle of the area, began a volume at 05:56 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 (KFOE), launched 00:00Z, 5.9 hours before the alert went out and 29 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: 3093 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1467 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 5.8

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 Jun 14, 11:13 PM CDT, 1 hour 43 minutes earlier.

Area forecast discussion, Jun 14, 11:13 PM CDT, 1 hour 43 minutes before

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Hazardous weather outlook, Jun 14, 9:25 PM CDT, 3 hours 31 minutes before

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In the hours before

Special weather statement, Jun 14, 10:17 PM CDT, 2 hours 39 minutes before

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Special weather statement, Jun 14, 11:26 PM CDT, 1 hour 30 minutes before

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Local storm report, Jun 14, 11:37 PM CDT, 1 hour 19 minutes before

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Special weather statement, Jun 15, 12:56 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
Jun 14, 10:17 PM CDT	Special Weather Statement	TOP	Jackson	28 min
Jun 14, 11:26 PM CDT	Special Weather Statement	TOP	Jefferson, Shawnee	34 min
Jun 15, 1:14 AM CDT	Special Weather Statement	TOP	Douglas	31 min
Jun 15, 1:46 AM CDT	Special Weather Statement	TOP	Franklin	29 min
Jun 15, 4:21 PM CDT	Severe Thunderstorm Warning	TOP	Ottawa	39 min
Jun 15, 4:54 PM CDT	Severe Thunderstorm Warning	TOP	Dickinson, Geary, Morris	51 min
Jun 15, 4:59 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Dickinson, Geary, Ottawa, Riley	46 min
Jun 15, 5:29 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Cloud, Riley	46 min
Jun 15, 5:42 PM CDT	Tornado Warning	TOP	Dickinson, Morris	33 min
Jun 15, 5:45 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Dickinson, Geary, Morris, Pottawatomie, Riley and 1 more	60 min
Jun 15, 6:12 PM CDT	Tornado Warning	TOP	Geary, Morris, Wabaunsee	21 min
Jun 15, 6:13 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Pottawatomie, Riley	32 min
Jun 15, 6:25 PM CDT	Severe Thunderstorm Warning	TOP	Coffey, Geary, Lyon, Morris, Osage, Shawnee and 1 more	50 min
Jun 15, 6:36 PM CDT	Severe Thunderstorm Warning	TOP	Pottawatomie, Riley	21 min
Jun 15, 6:47 PM CDT	Severe Thunderstorm Warning	TOP	Washington	43 min
Jun 15, 6:50 PM CDT	Severe Thunderstorm Warning	TOP	Pottawatomie, Riley, Wabaunsee	40 min

Nearby

Special Weather Statements in Kansas, 2017 Every special weather statement in 2017

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.