Alert archive / Nebraska / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 53, NWS North Platte, NE

June 28, 1993Boone County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 28, 1993, 12:27 AM CDT for Boone County, Nebraska. It was in force for 48 min.

The area

The counties it named.

The facts

Issued: Jun 28, 1993, 12:27 AM CDT (05:27 UTC)
Expired: Jun 28, 1993, 1:15 AM CDT
In force: 48 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Boone County, NE

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 5.5 hours before the alert went out and 148 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: 2127 J/kg
Mixed-layer CIN: -100 J/kg
Mixed-layer LCL: 1332 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 275 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 13.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, Jun 27, 7:25 PM CDT, 5 hours 2 minutes before

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Special weather statement, Jun 27, 9:12 PM CDT, 3 hours 15 minutes before

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Special weather statement, Jun 27, 9:53 PM CDT, 2 hours 34 minutes before

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Special weather statement, Jun 27, 10:14 PM CDT, 2 hours 13 minutes before

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Special weather statement, Jun 27, 11:36 PM CDT, 51 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 27, 7:56 PM CDT	Severe Thunderstorm Warning	LBF	Chase, Hayes, Perkins	49 min
Jun 27, 7:56 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	49 min
Jun 27, 8:28 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	62 min
Jun 28, 8:57 AM CDT	Flash Flood Warning	LBF	Colfax, Stanton	2 hr

Nearby

Severe Thunderstorm Warnings in Nebraska, 1993 Every severe thunderstorm warning in 1993

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.