Alert archive / Ohio / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 79, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Jun 16, 1986, 7:24 PM EDT for Mahoning County, Ohio; Mercer County, Pennsylvania. It was in force for 66 min. 2 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
- Jun 16, 1986, 7:24 PM EDT (23:24 UTC)
- Expired
- Jun 16, 1986, 8:30 PM EDT
- In force
- 66 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
Counties Mahoning County, OH, Mercer County, PA
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 |
|---|---|---|---|
| Jun 16, 7:30 PM EDT | Thunderstorm Wind 61 | Mercer, PA | |
| Jun 16, 7:45 PM EDT | Hail 1 | Mahoning, OH |
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
Pittsburgh, PA (KPIT), launched 12:00Z, 11.4 hours before the alert went out and 90 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
- 486 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 960 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KYNG 162324 SVRYNG OHC099-PAC085-170030- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE YOUNGSTOWN OH 724 PM EDT MON JUN 16 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF NORTHEAST OHIO...MAHONING EXTREME WEST PENNSYLVANIA...MERCER AT 720 PM RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM GREENVILLE IN MERCER COUNTY PENNSYLVANIA TO THE BERLIN RESEVOIR IN WESTERN MAHONING COUNTY. MOVEMENT OF THE STORMS WAS EAST AT 40 MPH. THESE THUNDERSTORMS MAY PRODUCE DAMAGING WINDS..FREQUENT LIGHTNING AND HEAVY RAINS WHICH MAY CAUSE FLOODING OF DRAINAGE SYSTEMS. REMEMBER THESE STORMS CAN.. AND OCCASIONALLY DO.. PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING. MCMULLEN
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, Jun 16, 3:46 PM EDT, 3 hours 38 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 345 PM EDT MON JUN 16 1986 A TORNADO WATCH IS IN EFFECT FOR MUCH OF NORTHWEST OHIO UNTIL 830 PM. AT 330 PM WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORMS FROM TOLEDO TO FORT WAYNE INDIANA. THE STORMS WERE MOVING EAST NORTHEAST AT 35 MILES AN HOUR. SINCE THEY WERE THREATENING TO INVADE THE WESTERN END OF LAKE ERIE A SPECIAL MARINE WARNING WAS IN EFFECT FROM MAUMEE BAY TO VERMILON UNTIL 515 PM. NO REPORTS OF DAMAGE CAUSED BY THESE STORMS HAD BEEN RECEIVED AT 330 PM, BUT THEY HAVE THE POTENTIAL TO RAPIDLY REACH SEVERE LEVELS. OHIOANS SHOULD REMAIN ALERT FOR STATEMENTS AND WARNINGS FROM THE WEATHER SERVICE. IN ADDITION.. A FLOOD WATCH WILL REMAIN IN EFFECT THROUGH THIS EVENING FOR ASHTABULA.. GEUAGA.. AND LAKE COUNTIES. < THE THUNDERSTORMS THAT ENTERED THE NORTHWEST PART OF THE STATE THIS AFTERNOON SHOULD REACH THE EAST LAKESHORE COUNTIES DURING THE EVENING. SINCE THE THUNDERSTORMS WILL PRODUCE HEAVY RAINS AND THE GROUND IN NORTHEAST OHIO IS ALREADY SOAKED THERE IS A THREAT OF RAPID FLOODING OF SMALL STREAMS AND LOW AREAS. THE THREAT OF FLOODING IN NORTHEAST OHIO WILL END TONIGHT AS PRECIPITATION MOVES( OUT OF THE AREA. UNTIL THEN PEOPLE IN FLOOD PRONE AREAS SHOULD LISTEN FOR STATEMENTS AND WARNINGS FROM THE WEATHER SERVICE AND BE PREPARED TO TAKE PROTECTIVE ACTION IF WATER RISES. KWIATKOWSKI
Special weather statement, Jun 16, 5:43 PM EDT, 1 hour 41 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 536 PM EDT MON JUN 16 1986 ...STRONG THUNDERSTORMS MOVING INTO NORTHWESTERN PENNSYLVANIA... AT 545 PM EDT THIS MONDAY AFTERNOON ERIE RADAR SHOWS VERY STRONG THUNDERSTORMS MOVING ACROSS LAKE ERIE..WHILE THUNDERSTORMS TO THE WEST ARE MOVING EASTWARD INTO WESTERN PENNSYLVANIA. THESE STRONG THUNDERSTORMS WILL AFFECT WEATHER IN NORTHWESTERN PENNSYLVANIA FOR THE NEXT SEVERAL HOURS. STRONG GUSTY WINDS IN EXCESS OF 35 MILES AN HOUR CAN BE EXPECTED WITH THERE THUNDERSTORMS..ALONG WITH HAIL AND LIGHTING STAY TUNED FOR LATER STATEMENTS.
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 4:05 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 55 min |
| Jun 16, 4:29 PM EDT | Severe Thunderstorm Warning | CLE | Huron | 61 min |
| Jun 16, 4:32 PM EDT | Severe Thunderstorm Warning | CLE | Sandusky | 58 min |
| Jun 16, 5:05 PM EDT | Severe Thunderstorm Warning | CLE | Lorain | 55 min |
| Jun 16, 5:09 PM EDT | Severe Thunderstorm Warning | CLE | Wayne | 61 min |
| Jun 16, 5:33 PM EDT | Severe Thunderstorm Warning | CLE | Medina | 57 min |
| Jun 16, 5:56 PM EDT | Severe Thunderstorm Warning | CLE | Summit | 64 min |
| Jun 16, 6:01 PM EDT | Severe Thunderstorm Warning | CLE | Huron | 59 min |
| Jun 16, 6:25 PM EDT | Tornado Warning | CLE | Medina | 50 min |
| Jun 16, 6:29 PM EDT | Tornado Warning | CLE | Summit | 61 min |
| Jun 16, 6:58 PM EDT | Severe Thunderstorm Warning | CLE | Cuyahoga | 62 min |
| Jun 16, 6:59 PM EDT | Severe Thunderstorm Warning | CLE | Portage | 61 min |
| Jun 16, 7:10 PM EDT | Severe Thunderstorm Warning | CLE | Trumbull | 65 min |
| Jun 16, 7:24 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 36 min |
| Jun 16, 7:28 PM EDT | Severe Thunderstorm Warning | CLE | Venango | 32 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 1986Severe Thunderstorm Warnings in Pennsylvania, 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.