Alert archive / Nebraska / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 117, NWS Hastings, NE

July 9, 2007Hall County, Howard County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jul 9, 2007, 2:13 AM CDT for Hall County, Howard County, Nebraska. It was in force for 50 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: Jul 9, 2007, 2:13 AM CDT (07:13 UTC)
Expired: Jul 9, 2007, 3:03 AM CDT
In force: 50 min
Issued by: NWS Hastings, NE
Area: Counties, with a storm outline in the text

Counties Hall County, NE, Howard County, NE

The radar

The Grand Island radar (KUEX), 81 km from the middle of the area, began a volume at 07:16 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 7.2 hours before the alert went out and 175 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: 2099 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 2123 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -46 m²/s²
0-3 km storm-relative helicity: 10 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 9, 12:30 AM CDT, 1 hour 43 minutes earlier.

Area forecast discussion, Jul 9, 12:30 AM CDT, 1 hour 43 minutes before

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Hazardous weather outlook, Jul 8, 9:05 PM CDT, 5 hours 8 minutes before

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In the hours before

Special weather statement, Jul 9, 12:02 AM CDT, 2 hours 11 minutes before

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Local storm report, Jul 9, 12:25 AM CDT, 1 hour 48 minutes before

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Special weather statement, Jul 9, 12:26 AM CDT, 1 hour 47 minutes before

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Local storm report, Jul 9, 12:27 AM CDT, 1 hour 46 minutes before

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Local storm report, Jul 9, 12:33 AM CDT, 1 hour 40 minutes before

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Local storm report, Jul 9, 1:52 AM CDT, 21 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
Jul 8, 8:13 PM CDT	Severe Thunderstorm Warning	GID	Valley	47 min
Jul 8, 11:19 PM CDT	Severe Thunderstorm Warning	GID	Furnas	41 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2007 Every severe thunderstorm warning in 2007

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.