Alert archive / Nebraska / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 271, NWS North Platte, NE

August 1, 1996McPherson County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 1, 1996, 5:49 PM CDT for McPherson County, Nebraska. It was in force for 61 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
Aug 1, 1996, 5:49 PM CDT (22:49 UTC)
Expired
Aug 1, 1996, 6:50 PM CDT
In force
61 min
Issued by
NWS North Platte, NE
Area
Whole counties

County McPherson County, NE

The radar

The North Platte radar (KLNX), 59 km from the middle of the area, began a volume at 22:49 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 1, 6:15 PM CDTHail 1Sutherland, 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, 10.8 hours before the alert went out and 62 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 1996-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 46 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 1996-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 square meters per square second.1939587897Sfc1 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
46 J/kg
Mixed-layer CIN
-301 J/kg
Mixed-layer LCL
851 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
97 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 012249
SVRLBF
NEC117-012350-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
549 PM CDT THU AUG 1 1996

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE NE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 650 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WEST CENTRAL NEBRASKA

   ...MCPHERSON COUNTY
 
AT 546 PM CDT...A SEVERE THUNDERSTORM WAS INDICATED BY NORTH PLATTE
DOPPLER RADAR 31 MILES NORTHWEST OF NORTH PLATTE OR 10 MILES WEST
SOUTHWEST OF TRYON MOVING SOUTH AT 14 MPH. THIS STORM IS EXPECTED TO
REMAIN IN RURAL AREAS AND SHOULD BE ABOUT 12 MILES SOUTHWEST OF
TRYON BY 615 PM CDT.
 
IF YOU ARE IN THE PATH OF THIS STORM...GO IBNSIDE A STRONG BUILDING.
STAY AWAY FROM WINDOWS.  DO NOT USE TELEPHONES OR ELECTRICAL
APPLIANCES...UNLESS IN AN EMERGENCY...UNTIL THE STORM HAS PASSED.

BOWMAN

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, Aug 1, 4:01 PM CDT, 1 hour 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  NORTH PLATTE NE
401 PM CDT THU AUG 1 1996

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

0352 PM    13 SW MULLEN              NE   0.88 INCH HAIL
08/01/96   HOOKER

SP

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 3:40 PM CDTSevere Thunderstorm WarningLBFHooker45 min
Aug 1, 4:24 PM CDTSevere Thunderstorm WarningLBFThomas66 min
Aug 1, 4:48 PM CDTSevere Thunderstorm WarningLBFMcPherson62 min
Aug 1, 5:11 PM CDTSevere Thunderstorm WarningLBFCherry64 min
Aug 1, 5:53 PM CDTSevere Thunderstorm WarningLBFLincoln62 min
Aug 1, 6:05 PM CDTSevere Thunderstorm WarningLBFThomas65 min
Aug 1, 6:16 PM CDTSevere Thunderstorm WarningLBFCherry34 min
Aug 1, 6:20 PM CDTSevere Thunderstorm WarningLBFKeith60 min
Aug 1, 6:29 PM CDTTornado WarningLBFKeith66 min
Aug 1, 6:36 PM CDTSevere Thunderstorm WarningLBFHooker64 min
Aug 1, 6:57 PM CDTSevere Thunderstorm WarningLBFLincoln63 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.