Alert archive / Ohio / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 9, NWS Cleveland, OH

March 10, 1986Ashtabula County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Mar 10, 1986, 7:42 PM EST for Ashtabula County, Ohio. It was in force for 33 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
Mar 10, 1986, 7:42 PM EST (00:42 UTC)
Expired
Mar 10, 1986, 8:15 PM EST
In force
33 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Ashtabula County, OH

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
Mar 10, 8:00 PM ESTThunderstorm Wind 0Ashtabula, 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 00:00Z, 0.7 hours before the alert went out and 174 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 1986-03-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 100 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1986-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 286 square meters per square second.1939587897Sfc1 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
100 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
1244 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
286 m²/s²
0-3 km storm-relative helicity
383 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCLE 110042
SVRCLE
OHC007-110115-

BULLETIN
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OHIO
742 PM EST MON MAR 10 1986 

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 815 PM EST FOR THE FOLLOWING COUNTIES OF
   
OHIO...ASHTABULA
 AND THE ADJACENT WATERS OF LAKE ERIE.

BETWEEN 730 AND 740 PM EST TREES WERE REPORTED DOWN IN LAKE AND
GEAUGA COUNTIES. THERE WERE ALSO REPORTS OF DAMAGE TO BUILDINGS
IN THE MENTOR AND MADISON AREAS.

THE STORMS WERE MOVING EAST NORTHEAST AT 50 TO 60 MPH AND WILL ENTER
ASHTABULA COUNTIES BY 750 PM EST.

IF YOU ARE IN THE PATH OF THESE THUNDERSTORMS GET TO A 
REINFORCED SHELTER AND PREPARE FOR STRONG.. DAMAGING WINDS.. LARGE HAIL.. 
VERY HEAVY RAIN AND LIGHTNING. REMEMBER THESE STORMS CAN.. AND 
OCCASIONALLY DO.. PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING.

MAXIMUK

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, Mar 10, 4:56 PM EST, 2 hours 46 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
452 PM EST MON MAR 10 1986

...HEAVY THUNDERSTORMS CONTINUE TO MOVE TOWARD NORTHWEST PENNSYLVANIA...

AT 450 PM ERIE WEATHER RADAR SHOWED A LINE OF HEAVY THUNDERSTORMS FROM
THE LONG POINT AREA IN SOUTHERN ONTARIO..SOUTH ACROSS LAKE ERIE TO
CONNEAUT AND ASHTABULA COUNTY IN NORTHEAST OHIO.  THE THUNDERSTORMS
CONTINUE TO MOVE TO THE EAST AT AROUND 45 MILES AND HOUR..AND SHOULD
BE MOVING ACROSS PARTS OF ERIE AND POSSIBLY NORTHERN CRAWFORD COUNTIES..
BETWEEN 5 AND 6 PM THIS EVENING.

SO FAR..NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE THUNDERSTORMS..
HOWEVER THEY ARE CAPABLE OF PRODUCING WINDS GUSTS TO AROUND 50 MILES AN
HOUR..AND VERY HEAVY DOWNPOURS.
Special weather statement, Mar 10, 5:34 PM EST, 2 hours 8 minutes before
^CLESPSYNG

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
533 PM EST MON MAR 10 1986

AT 530 PM EST WEATHER SERVICE RADAR INDICATED A LINE OF THUNDERSTORMS
WAS ENTERING WESTERN TRUMBULL COUNTY. STRONG WINDS AND HEAVY RAINS
HAVE BEEN REPORTED WITH THIS LINE. URBAN FLOODING WAS REPORTED AS THE
HEAVY RAINS MOVED THROUGH.

A TORNADO WATCH IS IN EFFECT FOR TRUMBULL, MAHONING AND COLUMBIANA
COUNTIES TILL 1100 PM EST.

PEOPLE IN THE WATCH AREA SHOULD BE ALERT FOR THREATENING WEATHER AND
BE PREPARED TO MOVE TO A SAFE PLACE.

DOXEY
Special weather statement, Mar 10, 5:36 PM EST, 2 hours 6 minutes before
^CLESPSYNG

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
533 PM EST MON MAR 10 1986

AT 530 PM EST WEATHER SERVICE RADAR INDICATED A LINE OF THUNDERSTORMS
WAS ENTERING WESTERN TRUMBULL COUNTY. STRONG WINDS AND HEAVY RAINS
HAVE BEEN REPORTED WITH THIS LINE. URBAN FLOODING WAS REPORTED AS THE
HEAVY RAINS MOVED THROUGH. THE LINE OF THUNDERSTORMS WAS MOVING EAST
AT 35 MPH.

A TORNADO WATCH IS IN EFFECT FOR TRUMBULL, MAHONING AND COLUMBIANA
COUNTIES TILL 1100 PM EST.

PEOPLE IN THE WATCH AREA SHOULD BE ALERT FOR THREATENING WEATHER AND
BE PREPARED TO MOVE TO A SAFE PLACE.

DOXEY
...CORRECTED TO INCLUDE MOVEMENT...
Special weather statement, Mar 10, 5:46 PM EST, 1 hour 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
539 PM EST MON MAR 10 1986

AT 532 PM WEATHER RADAR SHOWED A BROAD AREA OF SHOWERS AND THUNDERSTORMS
..SOME HEAVY..FROM SOUTHERN ONTARIO SOUTH ACROSS CENTRAL AND EASTERN
LAKE ERIE..INTO NORTHWEST PENNSYLVANIA AND NORTHEAST OHIO.

THE STRONGEST THUNDERSTORMS WERE LOCATED ALONG THE LAKE ERIE SHORELINE..
FROM ERIE EAST TO NORTHEAST PENNSYLVANIA..AND OVER LAKE ERIE JUST SOUTH
OF PORT BURWELL ON8TARIO.  THE THUNDERSTORMS ARE MOVING EAST AT AROUND
45 MILES AN HOUR.

NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE THUNDERSTORMS..HOWEVER
WIND GUSTS REACHED AROUND 40 MILES AN HOUR AT ERIE INTERNATIONAL AIRPORT.
Special weather statement, Mar 10, 6:25 PM EST, 1 hour 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
616 PM EST MON MAR 10 1986

...STRONG THUNDERSTORMS CONTINUE TO AFFECT PARTS OF NORTHWEST PENNSYLVANIA...

STRONG THUNDERSTORMS ACROSS NORTHWEST PENNSYLVANIA ARE PRODUCING WIND
GUSTS IN THE 30 TO 40 MILE AN HOUR RANGE..HEAVY DOWNPOURS AND EXCESSIVE
LIGHTNING.  NO SEVERE WEATHER HAS BEEN REPORTED.

THIS CURRENT BATCH OF THUNDERSTORMS SHOULD CONTINUE TO AFFECT THE AREA
FOR THE NEXT COUPLE OFL HOURS.  HOWEVER, HEAVY THUNDERSTORMS PRESENTLY
LOCATED ACROSS CENTRAL OHIO..COULD POSSIBLY MOVE INTO WESTERN PENNSYLVANIA
LATER THIS EVENING AND TONIGHT.

SO STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST RADAR REPORTS AND
STATEMENTS.
Special weather statement, Mar 10, 7:25 PM EST, 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
720 PM EST TUE MAR 10 1986

...VERY HEAVY THUNDERSTORMS IN NORTHEAST OHIO..ARE HEADED FOR NORTHWEST
PENNSYLVANIA...

AT 715 PM ERIE WEATHER RADAR SHOWED A LINE OF VERY HEAVY THUNDERSTORMS..
SITUATED FROM CENTRAL LAKE ERIE...SOUTH ACROSS THE GENEVA AREA IN
NORTHEAST OHIO..AND FURTHUR SOUTH TO NEAR YOUNGSTOWN.

THE STORMS WERE MOVING TO THE NORTHEAST AROUND 45 TO 50 MILES AN HOUR..
AND SHOUzLD BE MOVING INTO ERIE AND CRAWFORD COUNTIES IN NORTHWEST
PENNSYLVANIA..AROUND 745 PM THIS EVENING.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING WIND GUSTS TO AROUND 50
MILES AN HOUR..VERY HEAVY DOWNPOURS AND DANGEROUS LIGHTNING.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 10, 7:47 PM ESTSevere Thunderstorm WarningCLETrumbull38 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.