Alert archive / Ohio / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 124, NWS Cleveland, OH

August 6, 1986Mahoning County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 6, 1986, 10:21 PM EDT for Mahoning County, Ohio. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Aug 6, 1986, 10:21 PM EDT (02:21 UTC)
Expired
Aug 6, 1986, 11:30 PM EDT
In force
69 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Mahoning 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 00:00Z, 2.4 hours before the alert went out and 88 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 00:00Z on 1986-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 418 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 00:00Z on 1986-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
418 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
1457 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KYNG 070221
SVRYNG
OHC099-070330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
1021 PM EDT WED AUG 6 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1130 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

NORTHEAST OHIO...MAHONING

AT 1010PM WEATHER SERVICE RADAR INDICATED A POSSIBLE SEVERE
THUNDERSTORM OVER NORTHWESTERN COLUMBIANA COUNTY MOVING
NORTHEAST AT 15 MPH INTO MAHONING COUNTY.

THESE THUNDERSTORMS MAY PRODUCE LARGE HAIL.. HEAVY RAIN.. DAMAGING
WINDS AND FREQUENT LIGHTNING.

 TAYLOR

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, Aug 6, 5:16 PM EDT, 5 hours 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
503 PM EDT WED AUG 06 1986

...THUNDERSTORMS MOVING INTO SOUTHERN CRAWFORD AND NORTHERN VENANGO
COUNTIES...

AT 5 PM THIS WEDNESDAY AFTERNOON ERIE RADAR SHOWS VERY HEAVY THUNDER-
STORMS PYMATUNING  AND NORTH OF STONEBORO MOVING NORTHEAST INTO
CRAWFORD AND  VENANGO COUNTIES.  THESE THUNDERSTORMS WILL PRODUCE
STRONG GUSTY WINDS GREATER THAN 35 MPH..HAIL..HEAVY RAINS AND LIGHTING.

IF THREATmENING WEATHER APPROACHES.. GO TO A SAFE PLACE.
Special weather statement, Aug 6, 6:12 PM EDT, 4 hours 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
603 PM EDT WED AUG 06 1986

...VERY HEAVY THUNDERSTORMS IS CRAWFORD AND VENANGO COUNTIES MOVING
INTO WARREN COUNTY...

AT 6 PM ERIE RADAR SHOWS HEAVY THUNDERSTORMS IN THE OIL CITY AREA
NORTHWARD TO NEAR TITUSVILLE AND CAMBRIDGE SPRINGS. THESE THUNDER-
STORMS ARE MOVING NORTHEAST AT NEAR 25 MPH AND WILL BE MOVING INTO
THE WARREN COUNTY AND EASTERN ERIE COUNTY WITHIN THE HOUR.

THESE THUNDERSTORMS BROUGHT NEAR 1/2 INCH OF RAIN IN 8 MIM. IN THE
FRANKLIN AREA ALONG WITH STRONG WINDS.

BRIEF HEAVY RAINS..LIGHTING..HAIL AND STORNG GUSTY WINDS GRATER THAN
35 MPH CAN BE EXPECTED WITH THESE THUNDERSTORMS.

IF THREATING WEATHER APPROACHES..GO TO A SAFE PLACE.
Special weather statement, Aug 6, 6:57 PM EDT, 3 hours 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
655 PM EDT WED AUG 6 1986

HEAVY THUNDERSTORMS WERE MOVING ACROSS NORTHERN OHIO THIS EVENING
CAUSING LOCAL DOWNPOURS AND BRIEF GUSTING WINDS.

THE THUNDERSTORMS WERE MOVING ABOUT 25 MPH TO THE NORTHEAST. THE
STRONGEST THUNDERSTORMS MAY CAUSE BRIEF HEAVY RAINS AND GUSTY WINDS
THAT RESULT IN POSSIBLE STREET FLOODING AND PONDING OF WATER ON
ROADWAYS. SOME SMALL HAIL MAY ALSO OCCUR WITH THE STRONGEST
THUNDERSTORMS.

MOTORISTS SHOULD USE CAUTION IF ENTERING THOSE AREAS OF HEAVY DOWNPOURS
AND WATCH FOR POSSIBLE BRIEF FLOODING OF LOW LYING ROADWAYS.

AT 655 PM EDT THE STRONGEST THUNDERSTORMS WERE OVER SOUTHERN ASHTABULA
AND NORTHERIN TRUMBULL COUNTIES..AND NEAR TOLEDO TO PORT CLINTON AT THE
WESTERN END OF LAKE ERIE.
MONTGOMERY
Special weather statement, Aug 6, 7:15 PM EDT, 3 hours 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
706 PM EDT WED AUG 06 1986

HEAVY THUNDERSTORMS MOVING INTO WESTERN ERIE AND CRAWFORD COUNTIES

AT 7 PM ERIE RADAR SHOWED HEAVY THUNDERSTORMS OVER NORTHEAST OHIO
NEAR EAST ORWELL AND ANDOVER MOVING TO THE NORTHEAST AT NEAR 25 MPH.
THESE THUNDERSTORMS ARE EXPECTED TO MOVE INTO WESTERN ERIE AND INTO
CRAWFORD COUNTIES AROUND 730 THIS EVENING. OTHER THUNDERSTORMS ARE
SEEN OVER THE LAKE NORTHWEST OF THE ERIE AREA ALSO MOVING TO THE
NORTHEAST.
BRIEF HEAVY RAIN..LIGHTING..GUSTY WINDS AND SMALL HAIL CAN BE EXPECTED
WITH THESE THUNDERSTORMS.

IF THREATING WEATHER APPROACHES..GO TO A SAFE PLACE.
Special weather statement, Aug 6, 7:19 PM EDT, 3 hours 2 minutes before
^CLESPSTOL

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
7195PM EDT WED AUG 5 1986

...HEAVY THUNDERSTORMS POUNDING LUCAS COUNTY...

AT 710PM NATIONAL WEATHER SERVICE RADAR SHOWED A VERY HEAVY
THUNDERSTORM OVER CENTRAL LUCAS COUNTY.  THIS STORM IS MOVING
TO THE NORTH-NORTHEAST AT 20 MILES PER HOUR AND WILL MOVE INTO
LAKE ERIE BY 745PM.

THIS STORM PRODUCED PEA-SIZED HAIL AS IT MOVED INTO TOLEDO AND
RAINFALL AMOUNTS OF OVER AN INCH IN FIFTEEN MINUTES HAVE BEEN REPORTED.

THUS, RESIDENTS SHOULD BE PREPARED FOR VERY HEAVY RAIN, DANGEROUS
LIGHTNING, AND STRONG GUSTY WINDS AS THE STORM PROGRESSES THROUGH
THE COUNTY. DRIVING CONDITIONS MAY BE PARTICULARILY HAZARDOUS UNDER OVERXPASSES
WHERE RAPID PONDING OF WATER IS MOST LIKELY.

SPONSLER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 9:01 PM EDTSevere Thunderstorm WarningCLEJefferson29 min
Aug 6, 10:01 PM EDTSevere Thunderstorm WarningCLEColumbiana59 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.