Alert archive / Ohio / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 93, NWS Cleveland, OH

July 12, 1986Noble County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 12, 1986, 7:02 PM EDT for Noble County, Ohio. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jul 12, 1986, 7:02 PM EDT (23:02 UTC)
Expired
Jul 12, 1986, 8:00 PM EDT
In force
58 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Noble 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

Pittsburgh, PA (KPIT), launched 12:00Z, 11.0 hours before the alert went out and 136 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 1986-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 143 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 1986-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 square meters per square second.19395878Sfc1 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
143 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
532 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCAK 122302
SVRCAK
OHC121-130000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AKRON CANTON OH
702 PM EDT SAT JUL 12 1986
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 800 PM EDT FOR THE FOLLOWING COUNTY OF
 
SOUTHEAST OHIO... NOBLE
 
AT 7PM EDT RADAR INDICATED A VERY HEAVY THUNDERSTORM OVER NORTHERN
MORGAN COUNTY MOVING EAST AT 35 MPH.
 
THESE THUNDERSTORMS MAY iPRODUCE LARGE HAIL...HEAVY RAINS...
DAMAGING WINDS AND DANGEROUS LIGHTNING.
 
MARTIN

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 12, 2:05 PM EDT, 4 hours 57 minutes before
^CLESPSTOL

SPECIAL WEATHER STATEMENT...CORRECTED...
NATIONAL WEATHER SERVICE TOLEDO OH
205 PM EDT SAT JUL 12 1986

HEAVY THUNDERSTORMS WERE MOVING INTO NORTHWEST OHIO THIS AFTERNOON.

AT 155 PM WEATHER SERVICE RADAR INDICATED A LINE OF SHOWERS AND
THUNDERSTORMS, WITH VERY HEAVY RAIN, MOVING INTO WILLIAMS, DEFIANCE
AND PUTNAM COUNTIES OF NORTHWEST OHIO.

THESE THUNDERSTORS PRODUCED ONE-HALF TO THREE-QUARTERS OF AN INCH OF
RAIN IN 30 MINUTES, AS THEY MOVED THROUGH FORT WAYNE, INDIANA.

THE HEAVIEST ACTIVITY WAS LOCATED NEAR ANTWERP, IN NORTHWEST PUTNAM
COUNTY.

THESE THUNDERSTORMS CAN PRODUCE STRONG GUSTY WINDS, HEAVY RAIN,
DANGEROUS LIGHTNING AND POSSIBLY SMALL HAIL.  MOVEMENT WAS EAST$ AT
30 MPH.

ECKERT...CORRECTED WORDING IN 3RD PARAGRAPH...
Special weather statement, Jul 12, 2:27 PM EDT, 4 hours 35 minutes before
^CLESPSTOL

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
227 PM EDT SAT JUL 12 1986

HEAVY THUNDERSTORMS WERE MOVING ACROSS NORTHWEST OHIO THIS AFTERNOON.

AT 223 PM WEATHER SERVICE RADAR INDICATED A LINE OF SHOWERS AND
THUNDERSTORMS, WITH VERY HEAVY RAIN, MOVING THROUGH FULTON, HENRY,
PUTNAM, DEFIANCE AND PAULDING COUNTIES OF NORTHWEST OHIO.

THE HEAVIEST STORMS WERE LOCATED OVER SOUTHEAST PAULDING AND SOUTHERN
PUTNAM COUNTIES.

ALL THESE SHOWERS AND THUNDERSTORMS WILL MOVE INTO LUCAS, WOOD AND
HANCOCK COUNTIES BY 330 PM THIS AFTERNOON.  MOVEMENT WAS EAST AT 30 MPH.

THESE THUNDERSTORMS CAN PRODUCE STRONG GUSTY WINDS, HEAVY DOWNPOURS,
DANGEROUS LIGHTNING AND POSSIBLY S-MALL HAIL.  MOVEMENT WAS EAST AT
30 MPH.

ECKERT
Special weather statement, Jul 12, 4:57 PM EDT, 2 hours 5 minutes before
SPECIAL WEATHER STATEMENT AND AFTERNOON OHIO WEATHER STORY
NATIONAL WEATHER SERVICE CLEVELAND OH
458 PM EDT SUN JUL 13 1986

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF CENTRAL AND ALL
OF SOUTHERN OHIO UNTIL 10 PM EDT THIS AFTERNOON AND EVENING. THE WATCH
INCLUDES THE AREA IN OHIO NEAR AND SOUTH OF A DAYTON, COLUMBUS, AND
WHEELING WEST VIRGINIA LINE.

DURING THE LATE AFTERNOON, WEATHER SERVICE RADAR WAS SHOWING
DEVELOPING THUNDERSTORMS SCATTERED ACROSS THE STATE. MOST OF THE STORMS
WERE LOCATED IN THE SOUTHWESTERN AND NORTH CENTRAL COUNTIES. NO SEVERE
THUNDERSTORM WERE REPORTED. THE THUNDERSTORMS WILL INCREASE IN NUMBER
AND INTENSITRY THROUGH THE REST OF THE AFTERNOON AND EVENING WITH SOME
STORMS LIKELY BECOMING SEVERE.

CONSIDERABLE SHOWER AND THUNDERSTORM ACTIVITY WILL CONTINUE IN THE
BUCKEYE STATE THROUGH SUNDAY BEFORE MORE STABLE CONDITIONS MOVE INTO
THE AREA SUNDAY NIGHT AND MONDAY. A BROAD FLOW OF WARM AND HUMID AIR
OVER OHIO WAS ASSOCIATED WITH A LARGE AREA OF LOW PRESSURE ACROSS THE
MID SECTION OF THE COUNTRY. THIS UNSTABLE WARM AND HUMID AIR WILL BE
MAINLY RESPONSIBLE IN TRIGGERING THE SHOWERS AND THUNDERSTORMS. THE LOW
PRESSURE TO THE WEST WILL PASS THROUGH THE GREAT LAKE REGION AND THE
OHIO VALLEY AREA LATE SUNDAY AND SUNDAY NIGHT ALLOWING DRIER AIR FROM
THE WEST TO OVERSPREAD THE STATE.

LATE AFTERNOON TEMPERATURES WERE MOSTLY IN THE UPPER 70 TO LOWER 80
DEGREE RANGE. CLOUDINESS AND PRECIPITATION WAS HOLDING TEMPERATURES DOWN
IN MANY AREAS. ALTHOUGH TEMPERATURES WERE NOT EXTREMELY HIGH, THE
HUMIDITY LEVELS WERE QUITE HIGH MAKING AFTERNOON CONDITIONS VERY
UNCOMFORTABLE.

THE LATEST WEATHER MAP SHOWED A LARGE AREA OF LOW PRESSURE OVER THE MID
SECTION OF THE NATION. A CENTER OF LOW PRESSURE WAS FOUND OVER EASTERN
NORTH DAKOTA WITH A WARM FRONT MEANDERING EAST ACROSS THE LOWER GREAT
LAKES REGION TO THE SOUTHERN NEW ENGLAND COAST. A WARM AND HUMID AREA
OF HIGH PRESSURE OVER THE GULF OF MEXICO EXTENDED NORTH TO THE OHIO
VALLEY AND THE MID MISSISSIPPI VALLEY AREAS.

CHUDOWSKY
Special weather statement, Jul 12, 5:11 PM EDT, 1 hour 51 minutes before
SPECIAL WEATHER STATEMENT AND AFTERNOON OHIO WEATHER STORY CORRECTED
NATIONAL WEATHER SERVICE CLEVELAND OH
512 PM EDT SAT JUL 12 1986

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF CENTRAL AND ALL
OF SOUTHERN OHIO UNTIL 10 PM EDT THIS AFTERNOON AND EVENING. THE WATCH
INCLUDES THE AREA IN OHIO NEAR AND SOUTH OF A DAYTON, COLUMBUS, AND
WHEELING WEST VIRGINIA LINE.

DURING THE LATE AFTERNOON, WEATHER SERVICE RADAR WAS SHOWING
DEVELOPING THUNDERSTORMS SCATTERED ACROSS THE STATE. MOST OF THE STORMS
WERE LOCATED IN THE SOUTHWESTERN AND NORTH CENTRAL COUNTIES. NO SEVERE
THUNDERSTORM WERE REPORTED. THE THUNDERSTORMS WILL INCREASE IN NUMBER
AND INTENSITRY THROUGH THE REST OF THE AFTERNOON AND EVENING WITH SOME
STORMS LIKELY BECOMING SEVERE.

CONSIDERABLE SHOWER AND THUNDERSTORM ACTIVITY WILL CONTINUE IN THE
BUCKEYE STATE THROUGH SUNDAY BEFORE MORE STABLE CONDITIONS MOVE INTO
THE AREA SUNDAY NIGHT AND MONDAY. A BROAD FLOW OF WARM AND HUMID AIR
OVER OHIO WAS ASSOCIATED WITH A LARGE AREA OF LOW PRESSURE ACROSS THE
MID SECTION OF THE COUNTRY. THIS UNSTABLE WARM AND HUMID AIR WILL BE
MAINLY RESPONSIBLE IN TRIGGERING THE SHOWERS AND THUNDERSTORMS. THE LOW
PRESSURE TO THE WEST WILL PASS THROUGH THE GREAT LAKE REGION AND THE
OHIO VALLEY AREA LATE SUNDAY AND SUNDAY NIGHT ALLOWING DRIER AIR FROM
THE WEST TO OVERSPREAD THE STATE.

LATE AFTERNOON TEMPERATURES WERE MOSTLY IN THE UPPER 70 TO LOWER 80
DEGREE RANGE. CLOUDINESS AND PRECIPITATION WAS HOLDING TEMPERATURES DOWN
IN MANY AREAS. ALTHOUGH TEMPERATURES WERE NOT EXTREMELY HIGH, THE
HUMIDITY LEVELS WERE QUITE HIGH MAKING AFTERNOON CONDITIONS VERY
UNCOMFORTABLE.

THE LATEST WEATHER MAP SHOWED A LARGE AREA OF LOW PRESSURE OVER THE MID
SECTION OF THE NATION. A CENTER OF LOW PRESSURE WAS FOUND OVER EASTERN
NORTH DAKOTA WITH A WARM FRONT MEANDERING EAST ACROSS THE LOWER GREAT
LAKES REGION TO THE SOUTHERN NEW ENGLAND COAST. A WARM AND HUMID AREA
OF HIGH PRESSURE OVER THE GULF OF MEXICO EXTENDED NORTH TO THE OHIO
VALLEY AND THE MID MISSISSIPPI VALLEY AREAS.

CHUDOWSKY
CORRECTED TO CHANCE DATE..
Special weather statement, Jul 12, 6:05 PM EDT, 57 minutes before
^CLESPSTOL

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
603 PM EDT SAT JUL 12 1986

HEAVY THUNDERSTORMS WERE DEVELOPING OVER NORTHWEST OHIO.

AT 6 PM NATIONAL WEATHER SERVICE RADAR INDICATED VERY HEAVY
THUNDERSTORMS OVER DEFIANCE AND PAULDING COUNTIES OF NORTHWEST
OHIO.

THESE THUNDERSTORMS WERE MOVING EAST AT 35 MPH AND WILL MOVE
INTO HENRY COUNTY BY 615 PM.

THESE THUNDERSTORMS WILL LIKELY PRODUCE HEAVY RAIN.. GUS,TY WINDS..
DANGEROUS LIGHTNING.. AND POSSIBLY SMALL HAIL.
RAR

                                                                             [
Special weather statement, Jul 12, 6:45 PM EDT, 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
650 PM EDT SAT JUL 12 1986

A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR CENTRAL AND
SOUTHERN OHIO UNTIL 10 PM EDT.

AT 640 PM NATIONAL WEATHER SERVICE RADAR SHOWED AN AREA OF
THUNDERSTORMS FROM NEAR ZANESVILLE TO PORTSMOUTH MOVING EAST ABOUT 35
MPH.  OTHER THUNDERSTOMRMS WERE IN NORTHWEST OHIO, INDIANA, SOUTHEAST
LOWER MICHIGAN ONTARIO.  AN OFF DUTY POLICE_ OFFICER REPORTED 60 TO 70

MPH WIND GUSTS AND PEA SIZED HAIL IN FAIRFIELD COUNTY SOUTHWEST OF
LANCASTER.  HEAVY RAINS WERE REPORTED IN HOCKING AND PERRY COUNTIES
BETWEEN 6 AND 630 PM.

THOMPSON

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 12, 6:41 PM EDTTornado WarningCLEHenry19 min

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.