Alert archive / Missouri / Special Weather Statements in 2012

Special Weather Statement, NWS Kansas City, MO

February 20, 2012Bates County, Missouri; Linn County, Kansas

NWS Kansas City, MO issued this special weather statement at Feb 20, 2012, 7:00 PM CST for Bates County, Missouri; Linn County, Kansas. It was in force for 45 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 20, 2012, 7:00 PM CST (01:00 UTC)
Expired: Feb 20, 2012, 7:45 PM CST
In force: 45 min
Issued by: NWS Kansas City, MO

Counties Linn County, KS, Bates County, MO

The radar

The Pleasant Hill radar (KEAX), 76 km from the middle of the area, began a volume at 01:01 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, 1.0 hours before the alert went out and 145 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2222 m above ground
0-6 km bulk shear: 73 kt
0-1 km storm-relative helicity: 208 m²/s²
0-3 km storm-relative helicity: 362 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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
Feb 20, 6:58 PM CST	Special Weather Statement	EAX	Cass, Jackson	47 min
Feb 20, 7:33 PM CST	Severe Thunderstorm Warning	EAX	Bates, Cass, Henry, Johnson	27 min
Feb 20, 7:41 PM CST	Special Weather Statement	EAX	Jackson	49 min
Feb 20, 8:02 PM CST	Special Weather Statement	EAX	Henry, Johnson, Pettis	43 min
Feb 20, 8:17 PM CST	Special Weather Statement	EAX	Caldwell, Lafayette, Ray	43 min

Nearby

Special Weather Statements in Missouri, 2012 Special Weather Statements in Kansas, 2012 Every special weather statement in 2012

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.