Alert archive / Ohio / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 44, NWS Cleveland, OH

June 29, 1987Seneca County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 29, 1987, 1:27 PM EDT for Seneca County, Ohio. It was in force for 53 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 29, 1987, 1:27 PM EDT (17:27 UTC)
Expired
Jun 29, 1987, 2:20 PM EDT
In force
53 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Seneca 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
Jun 29, 1:40 PM EDTThunderstorm Wind 0Seneca, 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

Dayton/James M C, OH (KDAY), launched 12:00Z, 5.5 hours before the alert went out and 164 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 12:00Z on 1987-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 156 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, Dayton/James M C, OH at 12:00Z on 1987-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 square meters per square second.1939Sfc1 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
156 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
874 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
132 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTOL 291727
SVRTOL
OHC147-291830-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOLEDO OH
127 PM EDT MON JUN 29 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 230 PM EDT FOR THE FOLLOWING COUNTY OF
 
NORTH CENTRAL OHIO... SENECA
 
AT 124 PM WEATHER SERVICE RADAR INDICATED A POSSIBLE SEVERE
THUNDERSTORM OVER WESTERN SENECA COUNTY MOVING EAST AROUND 40 MPH.
 
THIS THUNDERSTORM MAY PRODUCE LARGE HAIL...HEAVY RAIN...DAMAGING WINDS
AND DANGEROUS LIGHTNING.  SEEK SHELTER FROM THIS STORM.
 
KSL

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 29, 12:18 PM EDT, 1 hour 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
1215 PM EDT MON JUN 29 1987

SHOWERS AND THUNDERSTORMS WERE ENTERING NORTHWEST OHIO EARLY
THIS AFTERNOON.

AT 1210 PM WEATHER SERVICE RADAR INDICATED SHOWERS AND THUNDERSTORMS
EXTENDING FROM NEAR GRAND RAPIDS MICHIGAN SOUTHEASTWARD ACROSS
WILLIAMS...DEFIANCE AND PAULDING COUNTIES OF NORTHWEST OHIO. THESE
SHOWERS AND THUNDERSTORMS WERE MOVING EAST AROUND 30 MPH.

PEOPLE THROUGHOUT ALL OF NORTHWEST OHIO SHOULD BE ALERT FOR RAPIDLY
CHANGING WEATHER CONDITIONS THE NEXT FEW HOURS.

THESE SHOWERS AND THUNDERSTORMS MAY CONTAIN BRIEF HEAVY RAINS...STRONG
GUSTY WINDS AND POSSIBLE SMALL HAIL.

KSL

C

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 1:51 PM EDTSevere Thunderstorm WarningCLESandusky29 min
Jun 29, 1:52 PM EDTSevere Thunderstorm WarningCLEHuron58 min
Jun 29, 1:57 PM EDTSevere Thunderstorm WarningCLEErie63 min
Jun 29, 2:11 PM EDTSevere Thunderstorm WarningCLELorain64 min
Jun 29, 2:32 PM EDTSevere Thunderstorm WarningCLECuyahoga58 min
Jun 29, 2:54 PM EDTSevere Thunderstorm WarningCLEWayne56 min
Jun 29, 2:55 PM EDTSevere Thunderstorm WarningCLEGeauga, Lake65 min
Jun 29, 3:35 PM EDTSevere Thunderstorm WarningCLEStark, Summit65 min
Jun 29, 3:44 PM EDTSevere Thunderstorm WarningCLEAshtabula76 min
Jun 29, 3:56 PM EDTSevere Thunderstorm WarningCLEColumbiana64 min
Jun 29, 3:59 PM EDTSevere Thunderstorm WarningCLECarroll61 min
Jun 29, 6:11 PM EDTSevere Thunderstorm WarningCLEHenry, Putnam59 min
Jun 29, 7:23 PM EDTSevere Thunderstorm WarningCLEPutnam57 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1987Every severe thunderstorm warning in 1987

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.