Alert archive / Nebraska / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 162, NWS Omaha, NE

July 26, 1996Antelope County, Knox County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Jul 26, 1996, 11:43 PM CDT for Antelope County, Knox County, Nebraska. It was in force for 62 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 26, 1996, 11:43 PM CDT (04:43 UTC)
Expired
Jul 27, 1996, 12:45 AM CDT
In force
62 min
Issued by
NWS Omaha, NE
Area
Whole counties

Counties Antelope County, NE, Knox County, NE

The radar

The Sioux Falls radar (KFSD), 166 km from the middle of the area, began a volume at 04:44 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.

What was reported inside it

TimeReportWhereRemark
Jul 27, 12:20 AM CDTThunderstorm Wind 52Neligh, NE

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 4.7 hours before the alert went out and 260 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-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 00:00Z on 1996-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 718 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 1996-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
718 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
1495 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
111 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.1

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 11:11 PM CDTSevere Thunderstorm WarningOAXKnox49 min
Jul 27, 12:19 AM CDTSevere Thunderstorm WarningOAXMadison, Pierce56 min
Jul 27, 5:10 PM CDTSevere Thunderstorm WarningOAXThurston65 min
Jul 27, 5:28 PM CDTSevere Thunderstorm WarningOAXBurt62 min
Jul 27, 5:45 PM CDTTornado WarningOAXBurt, Thurston45 min
Jul 27, 6:27 PM CDTSevere Thunderstorm WarningOAXBurt48 min
Jul 27, 6:37 PM CDTSevere Thunderstorm WarningOAXColfax, Dodge68 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1996Every severe thunderstorm warning in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.