Alert archive / Nebraska / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 194, NWS North Platte, NE

June 19, 2008Custer County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 19, 2008, 4:29 PM CDT for Custer County, Nebraska. It was in force for 46 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 19, 2008, 4:29 PM CDT (21:29 UTC)
Expired: Jun 19, 2008, 5:15 PM CDT
In force: 46 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon

County Custer County, NE

The radar

The North Platte radar (KLNX), 94 km from the middle of the area, began a volume at 21:29 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 12:00Z, 9.5 hours before the alert went out and 79 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: 1030 J/kg
Mixed-layer CIN: -156 J/kg
Mixed-layer LCL: 969 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 136 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

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 North Platte, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 19, 2:26 PM CDT, 2 hours 3 minutes earlier.

Area forecast discussion, Jun 19, 2:26 PM CDT, 2 hours 3 minutes before

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Hazardous weather outlook, Jun 19, 3:30 PM CDT, 59 minutes before

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In the hours before

Local storm report, Jun 19, 10:30 AM CDT, 5 hours 59 minutes before

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Local storm report, Jun 19, 10:51 AM CDT, 5 hours 38 minutes before

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Local storm report, Jun 19, 2:03 PM CDT, 2 hours 26 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 7:13 PM CDT	Severe Thunderstorm Warning	LBF	Custer	32 min
Jun 18, 11:14 PM CDT	Severe Thunderstorm Warning	LBF	Garden	24 min
Jun 19, 1:35 AM CDT	Severe Thunderstorm Warning	LBF	Cherry	40 min
Jun 19, 2:34 AM CDT	Severe Thunderstorm Warning	LBF	Brown, Loup, Rock	41 min
Jun 19, 9:59 AM CDT	Severe Thunderstorm Warning	LBF	Lincoln	32 min
Jun 19, 10:40 AM CDT	Areal Flood Advisory	LBF	Frontier	3 hr
Jun 19, 5:06 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	18 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2008 Every severe thunderstorm warning in 2008

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.