Alert archive / Nebraska / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 110, NWS Hastings, NE

June 23, 2007Franklin County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 23, 2007, 12:33 AM CDT for Franklin County, Nebraska. 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: Jun 23, 2007, 12:33 AM CDT (05:33 UTC)
Expired: Jun 23, 2007, 1:00 AM CDT
In force: 27 min
Issued by: NWS Hastings, NE
Area: Counties, with a storm outline in the text

County Franklin County, NE

The radar

The Grand Island radar (KUEX), 46 km from the middle of the area, began a volume at 05:33 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 5.6 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: 1731 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 1837 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 51 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 Jun 23, 12:23 AM CDT, 10 minutes earlier.

Area forecast discussion, Jun 23, 12:23 AM CDT, 10 minutes before

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Hazardous weather outlook, Jun 22, 11:43 PM CDT, 50 minutes before

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In the hours before

Special weather statement, Jun 22, 11:14 PM CDT, 1 hour 19 minutes before

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Special weather statement, Jun 22, 11:20 PM CDT, 1 hour 13 minutes before

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Special weather statement, Jun 22, 11:52 PM CDT, 41 minutes before

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Special weather statement, Jun 23, 12:03 AM CDT, 30 minutes before

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Special weather statement, Jun 23, 12:12 AM CDT, 21 minutes before

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Special weather statement, Jun 23, 12:30 AM CDT, 3 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
Jun 22, 7:18 PM CDT	Severe Thunderstorm Warning	GID	Clay	42 min
Jun 22, 8:26 PM CDT	Severe Thunderstorm Warning	GID	Nuckolls	64 min
Jun 22, 9:36 PM CDT	Severe Thunderstorm Warning	GID	Clay, Nuckolls	54 min
Jun 22, 9:52 PM CDT	Severe Thunderstorm Warning	GID	Nuckolls	38 min
Jun 22, 11:33 PM CDT	Severe Thunderstorm Warning	GID	Webster	27 min
Jun 22, 11:31 PM CDT	Severe Thunderstorm Warning	GID	Jewell	29 min
Jun 23, 2:02 AM CDT	Severe Thunderstorm Warning	GID	Rooks	58 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.