Alert archive / Nebraska / Tornado Warnings in 1996

Tornado Warning 22, NWS North Platte, NE

July 15, 1996Keith County, Nebraska

NWS North Platte, NE issued this tornado warning at Jul 15, 1996, 4:34 PM MDT for Keith County, Nebraska. It was in force for 31 min. 3 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
Jul 15, 1996, 4:34 PM MDT (22:34 UTC)
Expired
Jul 15, 1996, 5:05 PM MDT
In force
31 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Keith County, NE

The radar

The North Platte radar (KLNX), 124 km from the middle of the area, began a volume at 22:37 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 15, 4:45 PM MDTHail 0.75Ogallala, NE
Jul 15, 5:01 PM MDTThunderstorm Wind 52Ogallala, NE
Jul 15, 5:10 PM MDTHail 0.88Ogallala, 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 12:00Z, 10.6 hours before the alert went out and 89 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 12:00Z on 1996-07-15Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 12:00Z on 1996-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1954 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
142 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 152235
TORLBF
NEC101-152305-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
534 PM CDT (434 PM MDT) MON JUL 15 1996

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE NE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 505 PM MDT (605 PM CDT)
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHWEST NEBRASKA

   ...NORTHWESTERN KEITH COUNTY
 
AT 433 PM MDT...A DEVELOPING TORNADO WAS INDICATED BY NORTH PLATTE
DOPPLER RADAR 22 MILES NORTHWEST OF OGALLALA OR 11 MILES WEST
NORTHWEST OF LEMOYNE MOVING SOUTHEAST AT 28 MPH.

TORNADO IS EXPECTED TO BE NEAR...
  LEMOYNE                      BY 457 PM MDT
  KINGSLEY DAM                 BY 501 PM MDT
 
ACT QUICKLY. THIS IS A  DANGEROUS STORM SITUATION. IF YOU ARE IN THE
PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF AVAILABLE.
OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE.



PARKER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 3:30 PM MDTSevere Thunderstorm WarningLBFGarden50 min
Jul 15, 4:07 PM MDTSevere Thunderstorm WarningLBFGarden, Keith48 min
Jul 15, 5:03 PM MDTSevere Thunderstorm WarningLBFKeith62 min

Nearby

Tornado Warnings in Nebraska, 1996Every tornado warning in 1996Tornadoes 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.