Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 79, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jul 19, 1986, 1:51 AM CDT for Cedar County, Knox County, Nebraska. It was in force for 69 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 19, 1986, 1:51 AM CDT (06:51 UTC)
- Expired
- Jul 19, 1986, 3:00 AM CDT
- In force
- 69 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
Counties Cedar County, NE, Knox 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 19, 3:00 AM CDT | Thunderstorm Wind 0 | Cedar, 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, 6.9 hours before the alert went out and 175 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3622 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOFK 190654 SVROFK NEC107-027-190800- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORFOLK NE 151 AM CDT SAT JUL 19 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 300 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF NORTHEAST NEBRASKA...KNOX AND WESTERN CEDAR AT 145 AM CDT A SEVERE THUNDERSTORM WAS 45 MILES NORTHWEST OF NORFOLK OR 10 MILES SOUTHWEST OF VERDIGRE. THE T\HUNDERSTORM WAS MOVING NORTHEAST AT 40 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. NEWMAN 0651Z
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, Jul 18, 8:54 PM CDT, 4 hours 57 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 852 PM CST FRI JUL 18 1986 ...SEVERE THUNDERSTORM WATCH UNTIL 1100 PM CDT THIS FRIDAY EVENING FOR PORTIONS OF WEST CENTRAL NEBRASKA... AT 850 PM CDT AN EXTREME THUNDERSTORM WAS 52 MILES WEST-NORTHWEST OF NORTH PLATTE..NEAR THE TOWN OF ARTHUR IN ARTHUR COUNTY. A LINE OF INTENSE THUNDERSTORMS..40 MILES WIDE..WERE 60 MILES NORTHWEST EXTRENDING 100 MILES SOUTHWEST OF NORTH PLATTE NEBRASKA. THIS LINE WAS MOVING EAST AT 20 MPH. SMALL HAIL ALONG WITH BRIEF HEAVY RAIN MAY ACCOMPANY THESE THUNDERSTORMS AS THEY BEGIN MOVING EAST ACROSS ARTHUR COUNTY. HORN
Special weather statement, Jul 18, 9:35 PM CDT, 4 hours 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 934 PM CST FRI JUL 18 1986 THE SEVERE THUNDERSTORM WATCH WHICH HAD BEEN ISSUED EARLIER FOR CUSTER.. LOGAN AND THOMAS COUNTIES OF WEST CENTRAL NEBRASKA HAS NOW BEEN CANCELLED. MONSON
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 2:51 AM CDT | Severe Thunderstorm Warning | LBF | Cedar | 24 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.