Alert archive / Kansas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 185, NWS Hastings, NE

August 9, 2009Jewell County, Mitchell County, Kansas

NWS Hastings, NE issued this severe thunderstorm warning at Aug 9, 2009, 4:03 PM CDT for Jewell County, Mitchell County, Kansas. It was in force for 24 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 9, 2009, 4:03 PM CDT (21:03 UTC)
Expired: Aug 9, 2009, 4:27 PM CDT
In force: 24 min
Issued by: NWS Hastings, NE
Area: Storm-based polygon

Counties Jewell County, KS, Mitchell County, KS

The radar

The Grand Island radar (KUEX), 84 km from the middle of the area, began a volume at 21:03 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

Omaha, NE (KOAX), launched 12:00Z, 9.1 hours before the alert went out and 248 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: 1138 J/kg
Mixed-layer CIN: -213 J/kg
Mixed-layer LCL: 726 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 113 m²/s²
0-3 km storm-relative helicity: 135 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.9

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 9, 3:18 PM CDT, 45 minutes earlier.

Area forecast discussion, Aug 9, 3:18 PM CDT, 45 minutes before

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Hazardous weather outlook, Aug 9, 3:39 PM CDT, 24 minutes before

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In the hours before

Local storm report, Aug 9, 10:08 AM CDT, 5 hours 55 minutes before

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Local storm report, Aug 9, 10:34 AM CDT, 5 hours 29 minutes before

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Special weather statement, Aug 9, 3:47 PM CDT, 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 9, 3:59 AM CDT	Special Weather Statement	GID	Sherman	31 min
Aug 9, 4:09 AM CDT	Severe Thunderstorm Warning	GID	Sherman	36 min
Aug 9, 4:27 AM CDT	Severe Thunderstorm Warning	GID	Greeley, Howard, Sherman, Valley	43 min
Aug 9, 4:55 AM CDT	Severe Thunderstorm Warning	GID	Nance	50 min
Aug 9, 5:14 AM CDT	Special Weather Statement	GID	Dawson	31 min
Aug 9, 5:28 AM CDT	Severe Thunderstorm Warning	GID	Buffalo, Dawson	32 min
Aug 9, 5:59 AM CDT	Special Weather Statement	GID	Sherman	31 min
Aug 9, 8:19 AM CDT	Special Weather Statement	GID	York	11 min
Aug 9, 3:47 PM CDT	Special Weather Statement	GID	Mitchell	28 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.