Alert archive / Kansas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 87, NWS Topeka, KS

June 5, 2013Morris County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Jun 5, 2013, 4:53 AM CDT for Morris County, Kansas. It was in force for 37 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: Jun 5, 2013, 4:53 AM CDT (09:53 UTC)
Expired: Jun 5, 2013, 5:30 AM CDT
In force: 37 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Morris County, KS

The radar

The Topeka radar (KTWX), 50 km from the middle of the area, began a volume at 09:52 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.

Issued	Product	Office	Lasted
Jun 4, 9:37 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 00:00Z, 9.9 hours before the alert went out and 241 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: 1875 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 996 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 126 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.9

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 Topeka, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 5, 3:47 AM CDT, 1 hour 6 minutes earlier.

Area forecast discussion, Jun 5, 3:47 AM CDT, 1 hour 6 minutes before

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Hazardous weather outlook, Jun 5, 4:41 AM CDT, 12 minutes before

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In the hours before

Local storm report, Jun 5, 2:02 AM CDT, 2 hours 51 minutes before

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Special weather statement, Jun 5, 2:04 AM CDT, 2 hours 49 minutes before

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Special weather statement, Jun 5, 3:12 AM CDT, 1 hour 41 minutes before

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Special weather statement, Jun 5, 4:00 AM CDT, 53 minutes before

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Special weather statement, Jun 5, 4:41 AM CDT, 12 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 5, 2:04 AM CDT	Special Weather Statement	TOP	Ottawa	26 min
Jun 5, 3:12 AM CDT	Special Weather Statement	TOP	Dickinson	48 min
Jun 5, 3:24 AM CDT	Areal Flood Advisory	TOP	Ottawa	2 hr
Jun 5, 4:00 AM CDT	Special Weather Statement	TOP	Morris	45 min
Jun 5, 4:41 AM CDT	Special Weather Statement	TOP	Morris	34 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2013 Every severe thunderstorm warning in 2013

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.