Alert archive / Ohio / Tornado Warnings in 1991

Tornado Warning 2, NWS Cleveland, OH

May 30, 1991Seneca County, Ohio

NWS Cleveland, OH issued this tornado warning at May 30, 1991, 9:08 PM EDT for Seneca County, Ohio. It was in force for 52 min.

The area

The counties it named.

The facts

Issued
May 30, 1991, 9:08 PM EDT (01:08 UTC)
Expired
May 30, 1991, 10:00 PM EDT
In force
52 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Seneca County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 1.1 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 00:00Z on 1991-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2324 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 1991-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 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
2324 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1089 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTOL 310108
TORTOL
OHC147-310200-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOLEDO OH
908 PM EDT THU MAY 30 1991
 
THE NATIONAL WEATHER SERVICE IN TOLEDO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1000 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN NORTH CENTRAL OHIO
 
   ...SENECA COUNTY
 
AROUND 9 PM THE SENECA COUNTY SHERIFF REPORTED A TORNADO JUST SOUTH OF
TIFFIN MOVING EAST AT 25 MPH.
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
RAR

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 8:06 PM EDTSevere Thunderstorm WarningCLESummit69 min
May 30, 8:24 PM EDTSevere Thunderstorm WarningCLEHancock, Seneca66 min
May 30, 8:30 PM EDTSevere Thunderstorm WarningCLETrumbull60 min
May 30, 9:09 PM EDTTornado WarningCLEHuron66 min
May 30, 9:28 PM EDTSevere Thunderstorm WarningCLEWyandot62 min
May 30, 10:30 PM EDTSevere Thunderstorm WarningCLEWayne60 min

Nearby

Tornado Warnings in Ohio, 1991Every tornado warning in 1991Tornadoes in 1991

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.