Alert archive / Kansas / Special Weather Statements in 2018

Special Weather Statement, NWS Topeka, KS

February 19, 2018Wabaunsee County, Kansas

NWS Topeka, KS issued this special weather statement at Feb 19, 2018, 11:22 PM CST for Wabaunsee County, Kansas. It was in force for 23 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: Feb 19, 2018, 11:22 PM CST (05:22 UTC)
Expired: Feb 19, 2018, 11:45 PM CST
In force: 23 min
Issued by: NWS Topeka, KS

County Wabaunsee County, KS

The radar

The Topeka radar (KTWX), 20 km from the middle of the area, began a volume at 05:25 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 (KFOE), launched 00:00Z, 5.4 hours before the alert went out and 61 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: 2 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 540 m above ground
0-6 km bulk shear: 76 kt
0-1 km storm-relative helicity: 220 m²/s²
0-3 km storm-relative helicity: 273 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 19, 10:37 PM CST	Special Weather Statement	TOP	Washington	23 min
Feb 19, 10:39 PM CST	Special Weather Statement	TOP	Riley	36 min
Feb 19, 11:25 PM CST	Special Weather Statement	TOP	Nemaha	35 min
Feb 19, 11:53 PM CST	Special Weather Statement	TOP	Wabaunsee	37 min
Feb 20, 12:02 AM CST	Special Weather Statement	TOP	Nemaha	28 min
Feb 20, 12:08 AM CST	Special Weather Statement	TOP	Jefferson, Shawnee	22 min
Feb 20, 12:26 AM CST	Special Weather Statement	TOP	Brown, Jackson	49 min
Feb 20, 1:30 AM CST	Special Weather Statement	TOP	Morris	30 min
Feb 20, 2:07 AM CST	Special Weather Statement	TOP	Shawnee, Wabaunsee	23 min
Feb 20, 2:36 AM CST	Special Weather Statement	TOP	Jefferson	24 min
Feb 20, 4:19 AM CST	Ice Storm Warning	TOP	Anderson, Coffey, Douglas, Franklin, Lyon, Osage	10 hr
Feb 20, 6:10 AM CST	Special Weather Statement	TOP	Lyon	35 min
Feb 20, 1:50 PM CST	Winter Weather Advisory	TOP	Anderson, Coffey, Franklin	70 min
Feb 20, 3:17 PM CST	Winter Weather Advisory	TOP	Anderson, Brown, Clay, Cloud, Coffey, Dickinson and 17 more	57 hr

Nearby

Special Weather Statements in Kansas, 2018 Every special weather statement in 2018

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.