Alert archive / Nebraska / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 231, NWS North Platte, NE

July 25, 1996Keith County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 25, 1996, 5:11 PM MDT for Keith County, Nebraska. It was in force for 34 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 25, 1996, 5:11 PM MDT (23:11 UTC)
Expired
Jul 25, 1996, 5:45 PM MDT
In force
34 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 23:13 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 25, 5:30 PM MDTThunderstorm Wind 70Paxton, 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, 11.2 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 1996-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 38 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 12:00Z on 1996-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
38 J/kg
Mixed-layer CIN
-149 J/kg
Mixed-layer LCL
1504 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
247 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 252314
SVRLBF
NEC101-252345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
611 PM CDT (511 PM MDT) THU JUL 25 1996

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE NE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM MDT (645 PM CDT)
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHWEST NEBRASKA

   ...SOUTHEASTERN KEITH COUNTY
 
AT 509 PM MDT...A SEVERE THUNDERSTORM WAS INDICATED BY NORTH PLATTE
DOPPLER RADAR 15 MILES EAST SOUTHEAST OF OGALLALA OR 7 MILES
SOUTHWEST OF PAXTON MOVING SOUTH AT 17 MPH. THIS STORM IS EXPECTED
TO REMAIN IN RURAL AREAS.

 A TORNADO WATCH IS ALSO IN EFFECT UNTIL 10 PM CDT. SEVERE
THUNDERSTORMS CAN PRODUCE TORNADOES.
 
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.

S. MUTCHLER

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

Local storm report, Jul 25, 2:36 PM MDT, 2 hours 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  NORTH PLATTE NE
335 PM CDT THU JUL 25 1996

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0325 PM    11 NE NORTH PLATTE        NE   0.75 INCH HAIL
07/25/96   LINCOLN

SP

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 1:24 PM MDTSevere Thunderstorm WarningLBFCherry61 min
Jul 25, 1:57 PM MDTSevere Thunderstorm WarningLBFHooker63 min
Jul 25, 2:05 PM MDTSevere Thunderstorm WarningLBFSheridan60 min
Jul 25, 2:08 PM MDTSevere Thunderstorm WarningLBFLincoln62 min
Jul 25, 2:44 PM MDTSevere Thunderstorm WarningLBFGrant61 min
Jul 25, 2:51 PM MDTTornado WarningLBFHooker34 min
Jul 25, 3:04 PM MDTSevere Thunderstorm WarningLBFGarden, Sheridan61 min
Jul 25, 3:06 PM MDTSevere Thunderstorm WarningLBFLincoln64 min
Jul 25, 3:15 PM MDTSevere Thunderstorm WarningLBFMcPherson65 min
Jul 25, 3:19 PM MDTSevere Thunderstorm WarningLBFCuster61 min
Jul 25, 3:22 PM MDTSevere Thunderstorm WarningLBFMcPherson63 min
Jul 25, 3:29 PM MDTSevere Thunderstorm WarningLBFHooker61 min
Jul 25, 3:31 PM MDTSevere Thunderstorm WarningLBFGarden64 min
Jul 25, 3:37 PM MDTSevere Thunderstorm WarningLBFArthur63 min
Jul 25, 3:44 PM MDTSevere Thunderstorm WarningLBFKeith61 min
Jul 25, 3:49 PM MDTSevere Thunderstorm WarningLBFLincoln61 min
Jul 25, 3:52 PM MDTSevere Thunderstorm WarningLBFHayes63 min
Jul 25, 4:03 PM MDTSevere Thunderstorm WarningLBFGarden62 min
Jul 25, 4:10 PM MDTSevere Thunderstorm WarningLBFKeith65 min
Jul 25, 4:16 PM MDTSevere Thunderstorm WarningLBFDeuel64 min
Jul 25, 4:28 PM MDTTornado WarningLBFKeith47 min
Jul 25, 4:33 PM MDTSevere Thunderstorm WarningLBFFrontier62 min
Jul 25, 4:40 PM MDTTornado WarningLBFLincoln65 min
Jul 25, 4:58 PM MDTTornado WarningLBFPerkins62 min
Jul 25, 5:03 PM MDTSevere Thunderstorm WarningLBFGarden42 min
Jul 25, 5:08 PM MDTTornado WarningLBFDeuel62 min
Jul 25, 5:32 PM MDTTornado WarningLBFChase, Hayes63 min
Jul 25, 5:33 PM MDTSevere Thunderstorm WarningLBFFrontier47 min
Jul 25, 5:41 PM MDTSevere Thunderstorm WarningLBFLincoln34 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.