Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 13, NWS North Platte, NE

April 26, 1986Colfax County, Platte County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Apr 26, 1986, 7:11 PM CST for Colfax County, Platte County, Nebraska. It was in force for 49 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
Apr 26, 1986, 7:11 PM CST (01:11 UTC)
Expired
Apr 26, 1986, 8:00 PM CST
In force
49 min
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Colfax County, NE, Platte 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
Apr 26, 7:30 PM CSTHail 0.75Colfax, 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 00:00Z, 1.2 hours before the alert went out and 83 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 00:00Z on 1986-04-27Temperature 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 00:00Z on 1986-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 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
3558 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
291 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 270111
SVROFK
NEC141-037-270200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORFOLK NE
711 PM CST SAT APR 26 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 800 PM CST FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

NORTHEAST NEBRASKA...SOUTHEAST PLATTE AND SOUTHERN COLFAX

AT 710 PM A SEVERE THUNDERSTORM WAS 3 MILES EAST OF COLUMBUS
MOVING NORTHEAST AT 30 MPH.

 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.

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

Special weather statement, Apr 26, 4:33 PM CST, 2 hours 38 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
325 PM MST SAT APR 26 1986

A VERY STRONG THUNDERSTORM WAS MOVING INTO SOUTHWEST NEBRASKA THIS
SATURDAY AFTERNOON.

AT 325 PM MST A VERY STRONG THUNDERSTORM WAS APPROACHING DUNDY COUNTY
IN SOUTHWEST NEBRASKA WHICH IS LOCATED ABOUT 90 MILES SOUTHWEST OF
NORTH PLATTE NEBRASKA.  THIS THUNDERSTORM WAS MOVING TO THE NORTHEAST
AT 40 MILES AN HOUR.

HEAVY RAIN..HAIL..STRONG WINDS AND DANGEROUS LIGHTENING CAN BE EXPECTED
AS THIS THUNDERSTORM MOVES ACROSS SOUTHWEST NEBRASKA.

MEYER
Special weather statement, Apr 26, 5:29 PM CST, 1 hour 42 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
425 PM MST SAT APR 26 1986

A VERY STRONG THUNDERSTORM CONTINUED TO MOVE ACROSS SOUTHWEST NEBRASKA
THIS SATURDAY AFTERNOON.

AT 425 PM MST A VERY STRONG THUNDERSTORM HAD MOVED INTO CHASE COUNTY
IN SOUTHWEST NEBRASKA.  IMPERIAL NEBRASKA REPORTED PEA SIZE HAIL ALONG
WITH GUSTY WINDS AND HEAVY RAIN.  IMPERIAL IS 55 MILES SOUTHWEST OF
NORTH PLATTE NEBRASKA. THE THUNDERSTORM WAS MOVING 4TO THE NORTHEAST
AT 40 MILES AN HOUR.

HEAVY RAIN..HAIL..STRONG WINDS AND DANGEROUS LIGHTENING CAN BE EXPECTED
AS THIS THUNDERSTORM MOVES ACROSS SOUTHWEST NEBRASKA.

MEYER
Special weather statement, Apr 26, 6:16 PM CST, 55 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
615 PM CST SAT APR 26 1986

A VERY STRONG THUNDERSTORM CONTINUED TO MOVE ACROSS SOUTHWEST NEBRASKA
THIS SATURDAY EVENING.

AT 615 PM CST A VERY STRONG THUNDERSTORM HAD MOVED INTO SOUTHWEST
LINCOLN COUNTY NEAR THE TOWNS OF DICKENS AND WELLFLEET NEBRASKA.
THIS WOULD PUT THE THUNDERSTORM 35 MILES SOUTHWEST OF NORTH PLATTE
NEBRASKA.  MOVEMENT OF THE THUNDERSTORM CONTINUED TO THE NORTHEsAST
AT 40 MILES AN HOUR.

HEAVY RAIN..HAIL..STRONG WINDS AND DANGEROUS LIGHTENING CAN BE EXPECTED
AS THIS THUNDERSTORM MOVES ACROSS LINCOLN COUNTY.

MEYER

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.