Alert archive / Nebraska / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 161, NWS North Platte, NE

July 5, 1996Brown County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 5, 1996, 11:47 PM CDT for Brown County, Nebraska. It was in force for 63 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 5, 1996, 11:47 PM CDT (04:47 UTC)
Expired
Jul 6, 1996, 12:50 AM CDT
In force
63 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Brown County, NE

The radar

The North Platte radar (KLNX), 75 km from the middle of the area, began a volume at 04:49 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
Jul 6, 12:00 AM CDTHail 0.75Ainsworth, 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, 4.8 hours before the alert went out and 155 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 1996-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1433 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 1996-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.1939Sfc1 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
1433 J/kg
Mixed-layer CIN
-180 J/kg
Mixed-layer LCL
1672 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBF 060448
SVRLBF
NEC017-060550-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1147 PM CDT FRI JUL 5 1996

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE NE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1250 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTH CENTRAL NEBRASKA

   ...WEST CENTRAL BROWN COUNTY
 
AT 1146 PM CDT...A SEVERE THUNDERSTORM WAS INDICATED BY NORTH PLATTE
DOPPLER RADAR 16 MILES WEST OF AINSWORTH OR 5 MILES WEST SOUTHWEST OF
JOHNSTOWN MOVING EAST SOUTHEAST AT 23 MPH.

DAMAGING HAIL AND/OR DESTRUCTIVE WINDS CAN BE EXPECTED IN THE
VICINITY OF...   JOHNSTOWN                    BY 1158 PM CDT
AND SOUTHWEST OF AINSWORTH                    BY 1225 AM CDT

THE STORM WILL REMAIN OVER OPEN COUNTRY THEN THROUGH 1245 AM CDT
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.  FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE.

MICHELS

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 5, 6:36 PM CDT, 5 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  NORTH PLATTE NE
635 PM CDT FRI JUL 5 1996

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

0510J PM    11N OF BRANDON            NE   0.88 INCH HAIL
07/05/96   PERKINS

MUTCHLER
Local storm report, Jul 5, 6:38 PM CDT, 5 hours 9 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED FOR TIME OF EVENT
NATIONAL WEATHER SERVICE  NORTH PLATTE NE
635 PM CDT FRI JUL 5 1996

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

0610 PM    11N OF BRANDON            NE   0.88 INCH HAIL
07/05/96   PERKINS

MUTCHLER
Local storm report, Jul 5, 9:43 PM CDT, 2 hours 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  NORTH PLATTE NE
942 PM CDT FRI JUL 5 1996

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

0930V PM    7ESE OF VALENTINE         NE   1.75 INCH HAIL
07/05/96   CHERRY

0930 PM    7ESE OF VALENTINE         NE   WIND DAMAGE
07/05/96   CHERRY                         4-INCH TREE LIMBS DOWN

POWERS/MUTCHLER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 8:04 PM CDTSevere Thunderstorm WarningLBFCherry66 min
Jul 5, 9:07 PM CDTSevere Thunderstorm WarningLBFCherry63 min
Jul 5, 9:56 PM CDTSevere Thunderstorm WarningLBFBrown, Keya Paha49 min
Jul 5, 10:34 PM CDTSevere Thunderstorm WarningLBFCherry61 min
Jul 6, 8:04 AM CDTSevere Thunderstorm WarningLBFGarfield46 min
Jul 6, 12:24 PM CDTSevere Thunderstorm WarningLBFGarfield, Wheeler61 min
Jul 6, 1:15 PM CDTSevere Thunderstorm WarningLBFHolt, Rock65 min
Jul 6, 1:20 PM CDTSevere Thunderstorm WarningLBFWheeler50 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.