Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 95, NWS North Platte, NE

July 30, 1986Cherry County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 30, 1986, 7:46 PM MDT for Cherry County, Nebraska. It was in force for 59 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 30, 1986, 7:46 PM MDT (01:46 UTC)
Expired: Jul 30, 1986, 8:45 PM MDT
In force: 59 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Cherry 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

Time	Report	Where	Remark
Jul 30, 8:00 PM MDT	Hail 1	Cherry, 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.8 hours before the alert went out and 163 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 466 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 2490 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: -29 m²/s²
0-3 km storm-relative helicity: 47 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 KBFF 310146
SVRVTN
NEC031-310245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE VALENTINE NE
ISSUED BY SCOTTSBLUFF NE
746 PM MDT WED JUL 30 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 845 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

NORTH CENTRAL NEBRASKA...NORTHWEST CHERRY

AT 744 PM MDT..RADAR INDICATED A SEVERE THUNDERSTORM 12 MILES
NORTHWEST OF MERRIMAN OR 70 MILES WEST OF VALENTINE NEBRASKA MOVING
TO THE SOUTHEAST AT 30 MPH.

REMEMBER A SEVERE THUNDERSTORM CAN PRODUCE DAMAGING WINDS IN EXCESS
OF 60 MPH..LARGE HAIL..DEADLY LIGHTNING AND VERY HEAVY RAIN THAT
CAN QUICKLY FLOOD LOW LYING AREAS.
O
THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE
OR NO ADVANCE WARNING..SO BE ON THE LOOKOUT AND BE PREPARED TO MOVE
TO A PLACE OF SAFETY IF ONE IS SPOTTED.

ELSON/JWK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 8:51 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	39 min
Jul 31, 7:25 AM MDT	Severe Thunderstorm Warning	LBF	Lincoln, Logan	35 min
Jul 31, 5:36 PM MDT	Severe Thunderstorm Warning	LBF	Chase, Hayes, Perkins	54 min
Jul 31, 5:36 PM MDT	Severe Thunderstorm Warning	LBF	Lincoln	54 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1986 Every 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.