Alert archive / Kansas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 199, NWS Hastings, NE

August 25, 2009Mitchell County, Osborne County, Kansas

NWS Hastings, NE issued this severe thunderstorm warning at Aug 25, 2009, 7:24 PM CDT for Mitchell County, Osborne County, Kansas. It was in force for 51 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: Aug 25, 2009, 7:24 PM CDT (00:24 UTC)
Expired: Aug 25, 2009, 8:15 PM CDT
In force: 51 min
Issued by: NWS Hastings, NE
Area: Storm-based polygon

Counties Mitchell County, KS, Osborne County, KS

The radar

The Grand Island radar (KUEX), 106 km from the middle of the area, began a volume at 00:27 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

Dodge City, (KDDC), launched 00:00Z, 0.4 hours before the alert went out and 216 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: 1022 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 2197 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 77 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 26, 4:54 AM CDT	Areal Flood Advisory	GID	Adams, Clay	4 hr
Aug 26, 5:41 AM CDT	Areal Flood Warning	GID	Adams, Clay	5 hr
Aug 26, 6:36 AM CDT	Areal Flood Advisory	GID	Fillmore, Hamilton, York	4 hr
Aug 26, 10:49 AM CDT	Areal Flood Warning	GID	Adams, Clay, Fillmore, Hamilton, York	47 hr
Aug 25, 7:07 PM CDT	Severe Thunderstorm Warning	GID	Mitchell	23 min
Aug 25, 7:17 PM CDT	Special Weather Statement	GID	Jewell	28 min
Aug 25, 8:12 PM CDT	Special Weather Statement	GID	Mitchell	33 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2009 Every severe thunderstorm warning in 2009

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.