Alert archive / Nebraska / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 340, NWS North Platte, NE

August 15, 1996Sheridan County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 15, 1996, 5:52 PM MDT for Sheridan County, Nebraska. It was in force for 63 min. 2 reports 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
Aug 15, 1996, 5:52 PM MDT (23:52 UTC)
Expired
Aug 15, 1996, 6:55 PM MDT
In force
63 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Sheridan County, NE

The radar

The North Platte radar (KLNX), 163 km from the middle of the area, began a volume at 23:55 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
Aug 15, 6:00 PM MDTThunderstorm WindEllsworth, NE
Aug 15, 6:25 PM MDTHail 0.75Lakeside, 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

Rapid City, SD (KUNR), launched 12:00Z, 11.9 hours before the alert went out and 178 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, Rapid City, SD at 12:00Z on 1996-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Rapid City, SD at 12:00Z on 1996-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1918 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KLBF 152352
SVRLBF
NEC161-160055-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
652 PM CDT (552 PM MDT) THU AUG 15 1996

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE NE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 655 PM MDT (755 PM CDT)
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN THE PANHANDLE OF NEBRASKA

   ...EAST CENTRAL SHERIDAN COUNTY
 
AT 550 PM MDT...A SEVERE THUNDERSTORM WAS INDICATED BY NORTH PLATTE
DOPPLER RADAR 35 MILES EAST SOUTHEAST OF CHADRON OR 8 MILES SOUTH
SOUTHEAST OF RUSHVILLE MOVING SOUTHEAST AT 17 MPH. THIS STORM IS
EXPECTED TO REMAIN IN RURAL AREAS.


 
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH
LITTLE OR NO ADVANCE WARNING. IF YOU ARE IN THE PATH OF THIS STORM
YOU SHOULD MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE.

IF SEVERE WEATHER IS OBSERVED...CONTACT YOUR LOCAL LAW ENFORCEMENT
AGENCY AND ASK THEM TO RELAY YOUR INFORMATION TO THE NATIONAL
WEATHER SERVICE.


SP/FS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 15, 6:53 AM MDTSevere Thunderstorm WarningLBFSheridan47 min
Aug 15, 7:09 AM MDTSevere Thunderstorm WarningLBFGarden61 min
Aug 15, 8:03 AM MDTSevere Thunderstorm WarningLBFGrant62 min
Aug 15, 4:09 PM MDTSevere Thunderstorm WarningLBFSheridan61 min
Aug 15, 4:23 PM MDTFlash Flood WarningLBFSheridan3 hr
Aug 15, 5:19 PM MDTSevere Thunderstorm WarningLBFGarden, Sheridan61 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.