Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 80, NWS Cleveland, OH

June 16, 1986Venango County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 16, 1986, 7:28 PM EDT for Venango County, Pennsylvania. It was in force for 32 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
Jun 16, 1986, 7:28 PM EDT (23:28 UTC)
Expired
Jun 16, 1986, 8:00 PM EDT
In force
32 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Venango 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

TimeReportWhereRemark
Jun 16, 7:30 PM EDTThunderstorm Wind 0Venango, PA

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, 11.5 hours before the alert went out and 114 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, Pittsburgh, PA at 12:00Z on 1986-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 486 joules per kilogram.LCLLFCEL10008507005003002001001 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, Pittsburgh, PA at 12:00Z on 1986-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 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
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

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 42 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 45 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.

IssuedProductOfficeCountiesLasted
Jun 16, 7:24 PM EDTSevere Thunderstorm WarningCLECrawford36 min
Jun 16, 7:24 PM EDTSevere Thunderstorm WarningCLEMercer66 min

Nearby

Severe 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.