Alert archive / Ohio / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 91, NWS Cleveland, OH

July 8, 1986Putnam County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 8, 1986, 8:56 PM EDT for Putnam County, Ohio. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Jul 8, 1986, 8:56 PM EDT (00:56 UTC)
Expired
Jul 8, 1986, 9:40 PM EDT
In force
44 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Putnam County, OH

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 0.9 hours before the alert went out and 125 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, Dayton/James M C, OH at 00:00Z on 1986-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 664 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dayton/James M C, OH at 00:00Z on 1986-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 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
664 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1523 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
160 m²/s²
Significant tornado parameter
0.2
Supercell composite
4.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTOL 090056
SVRTOL
OHC137-090140-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOLEDO OH
856 PM EDT TUE JUL 8 1986
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 940 PM EDT FOR THE FOLLOWING COUNTY OF
 
OHIO... PUTNAM
 
AT 853 PM EDT WEATHER SERVICE RADAR INDICATED A POSSIBLE SEVERE
THUNDERSTORM OVER COLUMBUS GROVE, IN SOUTHEAST PUTNAM COUNTY.

MOVEMENT WAS EAST AT 30 MPH.                                         3
 
THESE THUNDERSTORMS MAY PRODUCE LARGE HAIL.. HEAVY RAINS..
DAMAGING WINDS AND DANGEROUS LIGHTNING.
 
ECKERT

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 8, 4:50 PM EDT, 4 hours 6 minutes before
SPECIAL WEATHER STATEMENT AND EVENING OHIO WEATHER STORY
NATIONAL WEATHER SERVICE CLEVELAND OH
450 PM EDT TUE JUL 8 1986

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE EXTREME WEST AND
NORTHWEST COUNTIES OF OHIO UNTIL 10 PM EDT.

THE POTENTIAL FOR THE DEVELOPMENT OF STRONG THUNDERSTORMS REACHING
SEVERE CRITERIA ARE FAVORABLE OVER AN AREA FROM CHICAGO TO DETROIT
AND SOUTH ACROSS CENTRAL INDIANA AND EXTREME WESTERN OHIO. LATE THIS
AFTERNOON SEVERAL CLUSTERS OF THUNDERSTORMS HAD DEVELOPED OVER PARTS
OF INDIANA AND NORTHEASTERN ILLINOIS, AND COULD REACH INTO OHIO THIS
EVENING.

A FEW THUNDERSTORMS DEVELOPED OVER EASTERN OHIO THIS AFTERNOON, SOME
OF WHICH HAD APPROACHED SEVERE LIMITS. SMALL HAIL AND GUSTY WINDS
WERE REPORTED OVER PORTIONS OF COLUMBIANA COUNTY AND VICINITY. MUCH
OF TODAY'S ACTIVITY WAS OVER EASTERN OHIO AND WESTERN PENNSYLVANIA,
EAST OF AN AKRON-MASSILLION LINE. NEARLY THREE-QUARTERS /.70/ OF AN
INCH OF RAIN WAS REPORTED AT YOUNGSTOWN THROUGH 2PM.
 <
HOT, HUMID AND HAZY CONTINUED TO DESCRIBE THE WEATHER ELEMENTS OVER
MUCH OF OHIO TODAY. AFTERNOON TEMPERATURES REACHED INTO THE 90 TO
95 DEGREE RANGE UNDER A BLAZING SUN OVER THE SOUTHERN HALF OF THE
STATE, WHILE MID TO UPPER 80S WERE FELT IN THE NORTHERN HALF.

THE GREATEST POTENTIAL FOR SHOWERS AND THUNDERSTORMS WILL BE TONIGHT
THROUGH WEDNESDAY. A WEAK FRONTAL SYSTEM NORTH OF THE STATE WAS
ALLOWING FOR THE WARM HUMID AIR TO SETTLE OVER NOT ONLY OHIO, BUT OVER
MUCH OF THE REGION. HOWEVER, THE FRONT WILL SLOWLY SLIDE SOUTH ACROSS
OHIO LATE TONIGHT AND WEDNESDAY, BRINGING IN DRIER AND SLIGHTLY COOLER
AIR BY THURSDAY.

ROG
Special weather statement, Jul 8, 6:43 PM EDT, 2 hours 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
642 PM EDT TUE JUL 8 1986

A SEVERE THUNDERSTORMS WATCH IS IN EFFECT UNTIL 10 PM EDT FOR THE
MOST OF THE WESTERN QUARTER OF OHIO AND UNTIL MIDNIGHT EDT FOR MOST
OF CENTRAL AND EASTERN OHIO.

MOST OF THE THUNDERSTORMS THAT OCCURRED EARLIER IN NORTHEASTERN OHIO
HAD MOVED INTO WEST VIRGINIA AND PENNSYLVANIA BY 630 PM.  OTHER
THUNDERSTORMS WERE DEVELOPING OVER INDIANA AND LOWER MICHIGAN. r THESE
STORMS WILL BE MOVING ACROSS OHIO AND LAKE ERIE DURING THE EVENING.

THOMPSON
Special weather statement, Jul 8, 7:44 PM EDT, 1 hour 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
745 PM EDT TUE JUL 8 1986

THE SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR MOST OF
OHIO.  THERE HAS BEEN NO SEVERE WEATHER REPORTED IN OHIO SINCE
THE OCCURRENCE OF 63 MPH WINDS AT THE AKRON CANTON AIRPORT AT
425 PM.

AT 740 PM NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS STILL
OVER COLUMBIA AND MAHONING COUNTIES IN NORTHEAST OHIO.  OTHER
THUNDERSTORMS WERE ON A LINE FROM NEAR DETROIT ACROSS NORTHWEST
OHIO NEAR TOLEDO AND DEFIANCE TO NEAR FORT WAYNE.  ALL OF THE STORMS
WERE MOVING EAST ABOUT 35 MPH.  THE LINE OF STORMS WILL REACH A LINE
FROM SANDUSKY TO DAYTON BY 930 PM.  OTHER SHOWERS AND THUNDERSTORMS
WERE DEVELOPING AHEAD OF THE LINE OVER WESTERN LAKE ERIE AND CENTRAL
OHIO.

THOMPSON
Special weather statement, Jul 8, 8:00 PM EDT, 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE
12 NOON WED JAN 9 1986

LARGE THUNDERSTORMS WITH VERY HEAVY RAIN AND STRONG GUSTY WINDS
WERE MOVING THROUGH SOUTHEAST OHIO.

WEATHER RADAR AT 1155 AM SHOWED THUNDERSTORMS OVER MONROE, NOBLE,
NOBLE AND PERRY COUNTIES MOVING EAST AT 35 MPH. WIND DAMAGE WAS
REPORTED IN FAIRFIELD COUNTY AS ONE OF THE STORMS MOVED THROUGH.

TORRENTIAL DOWNPOURS MAY CAUSE URBAN STREET AND SMALL STREAM
FLOODING.

PEOPLE IN SOUTHEAST OHIO SHOULD BE ON THE ALERT AND SEEK SHELTER IF
THE STORMS BECOME THREATENING.

NIBERT
Special weather statement, Jul 8, 8:41 PM EDT, 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
833 PM EDT WED JUL 08 1986

AT 830 PM ERIE WEATHER RADAR INDICATED SHOWERS AND THUNDERSTORMS..SOME
HEAVY..NOW COVERING MOST OF WESTERN AND CENTRAL LAKE ERIE..TO JUST NORTH
OF ERIE PENNSYLVANIA.

INDIVIDUAL THUNDERSTORMS WERE MOVING TO THE EAST AT AROUND 35 MILES AN
HOUR..WHILE THE ENTIRE AREA OF PRECIPITATION WAS SINKING SLOWLY TO THE
SOUTH.

SOME OF THESE STORMS MAY MOVE ONSHORE INTO NOR	THWEST PENNSYLVANIA LATER
THIS EVENING..AND MAY PRODUCE STRONG WINDS..HEAVY RAIN AND HAIL.  ALSO..
BOATERS ALONG THE PENNSYLVANIA WATERS OF LAKE ERIE..SHOULD BE ON THE
ALERT FOR THREATENING WEATHER.
Special weather statement, Jul 8, 8:45 PM EDT, 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
845 PM EDT TUE JUL 8 1986

AT 840 PM EDT RADAR SHOWED A LINE OF THUNDERSTORMS ACROSS NORTHWEST
OHIO FROM JUST EAST OF TOLEDO TO NEAR VAN WERT.  OTHER THUNDERSTORMS
WERE SCATTERED OVER CENTRAL AND EASTERN OHIO AHEAD OF THE LINE.  ALL
OF THE STORMS WERE MOVING EAST ABOUT 35 MPH.  THE LINE OF THUNDERSTORMS
WILL REACH A LINE FROM LORAIN TO MARION BY 1030 PM EDT.

VERY HEAVY RAIN AND WIND GUSTS TO 35 MH WERE REPORTED AS THE LINE
OF STORMS MOVED THROUGH TOLEDO.

THUNDERSTORMS THAT WERE OVER MAHONING AND COLUMBIA COUNTIES EARLIER
HAVE MOVED INTO WESTERN PENNSYLVANIA.

A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR MOST OF OHIO.

THOMPSON

Nearby

Severe Thunderstorm Warnings in Ohio, 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; the sounding from the Mesonet's radiosonde archive.