Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 82, NWS North Platte, NE

July 24, 1986Madison County, Stanton County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 24, 1986, 5:40 PM CDT for Madison County, Stanton County, Nebraska. It was in force for 55 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 24, 1986, 5:40 PM CDT (22:40 UTC)
Expired
Jul 24, 1986, 6:35 PM CDT
In force
55 min
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Madison County, NE, Stanton County, NE

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jul 24, 5:45 PM CDTThunderstorm Wind 0Madison, NE
Jul 24, 5:55 PM CDTThunderstorm Wind 0Stanton, NE
Jul 24, 6:09 PM CDTThunderstorm Wind 68Madison, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 10.7 hours before the alert went out and 108 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, Omaha, NE at 12:00Z on 1986-07-24Temperature 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, Omaha, NE at 12:00Z on 1986-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 223 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
3628 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
223 m²/s²
0-3 km storm-relative helicity
287 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 KOFK 242242 COR
SVROFK
NEC119-167-242335-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTION...
NATIONAL WEATHER SERVICE NORFOLK NE
540 PM CDT THU JUL 24 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 635 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES OF

NORTHEAST NEBRASKA...MADISON AND STANTON

AT 530 PM CDT RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM
MEADOW GROVE IN NORTHWEST MADISON COUNTY SOUTH TO PLATTE CENTER IN
EAST PLATTE COUNTY MOVING TO THE NORTHEAST AT 30 MILES AN HOUR.

AT 520 PM CDT LINDSAY IN NORTHWEST PLATTE COUNTY REPORTED 50 TO 75
MILE AN HOUR WINDS WITH TREES DOWN.

 REMEMBER...SEVERE THUNDERSTORMS CAN PRODUCE DEADLY WINDS IN EXCESS
OF 75 MPH...LARGE HAIL...KILLER LIGHTNING...AND TORRENTIAL RAINS
THAT CAN QUICKLY FLOOD A LOW LYING AREA.

 THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE
OR NO WARNING...SO BE ON THE LOOKOUT AND BE PREPARED TO MOVE TO A
PLACE OF SAFETY.

 A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM CDT THIS
 THURSDAY EVENING.  A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR
 PLATTE COUNTY UNTIL 615 PM CDT THIS EVENING.
 VAN ALLEN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 5:18 PM CDTSevere Thunderstorm WarningLBFPlatte57 min
Jul 24, 6:15 PM CDTSevere Thunderstorm WarningLBFCuming, Wayne60 min
Jul 24, 6:29 PM CDTSevere Thunderstorm WarningLBFGrant, Hooker61 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1986Every severe thunderstorm warning in 1986

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.