Alert archive / Kansas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 222, NWS Hastings, NE

August 8, 2015Osborne County, Rooks County, Kansas

NWS Hastings, NE issued this severe thunderstorm warning at Aug 8, 2015, 9:33 PM CDT for Osborne County, Rooks County, Kansas. It was in force for 27 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 8, 2015, 9:33 PM CDT (02:33 UTC)
Expired: Aug 8, 2015, 10:00 PM CDT
In force: 27 min
Issued by: NWS Hastings, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Osborne County, KS, Rooks County, KS

The radar

The Grand Island radar (KUEX), 120 km from the middle of the area, began a volume at 02:33 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, 2.6 hours before the alert went out and 191 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: 822 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 2808 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 123 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.6

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 Hastings, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 8, 6:39 PM CDT, 2 hours 54 minutes earlier.

Area forecast discussion, Aug 8, 6:39 PM CDT, 2 hours 54 minutes before

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Hazardous weather outlook, Aug 8, 3:36 PM CDT, 5 hours 57 minutes before

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In the hours before

Special weather statement, Aug 8, 4:17 PM CDT, 5 hours 16 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 8, 8:59 PM CDT	Special Weather Statement	GID	Osborne	31 min
Aug 8, 9:23 PM CDT	Special Weather Statement	GID	Osborne	37 min
Aug 8, 9:56 PM CDT	Special Weather Statement	GID	Osborne	34 min
Aug 8, 10:20 PM CDT	Special Weather Statement	GID	Mitchell	25 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.