Alert archive / Kansas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 198, NWS Kansas City, MO

July 14, 2015Linn County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at Jul 14, 2015, 9:02 AM CDT for Linn County, Kansas. It was in force for 43 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 14, 2015, 9:02 AM CDT (14:02 UTC)
Expired: Jul 14, 2015, 9:45 AM CDT
In force: 43 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Linn County, KS

The radar

The Pleasant Hill radar (KEAX), 83 km from the middle of the area, began a volume at 14:04 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 12:00Z, 2.0 hours before the alert went out and 112 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: 2956 J/kg
Mixed-layer CIN: -130 J/kg
Mixed-layer LCL: 1356 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 59 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

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 Jul 14, 8:32 AM CDT, 30 minutes earlier.

Area forecast discussion, Jul 14, 8:32 AM CDT, 30 minutes before

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Hazardous weather outlook, Jul 14, 5:29 AM CDT, 3 hours 33 minutes before

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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
Jul 13, 9:14 PM CDT	Special Weather Statement	EAX	Bates	31 min
Jul 14, 4:02 AM CDT	Heat Advisory	EAX	Buchanan, Caldwell, Clinton, Linn, Livingston	17 hr
Jul 13, 8:13 PM CDT	Severe Thunderstorm Warning	EAX	Miami	32 min
Jul 13, 8:43 PM CDT	Severe Thunderstorm Warning	EAX	Linn, Miami	32 min
Jul 13, 9:36 PM CDT	Special Weather Statement	EAX	Linn	24 min
Jul 14, 9:43 AM CDT	Special Weather Statement	EAX	Linn	47 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2015 Every severe thunderstorm warning in 2015

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.