Alert archive / Ohio / Tornado Warnings in 1990

Tornado Warning 12, NWS Cleveland, OH

September 6, 1990Geauga County, Ohio

NWS Cleveland, OH issued this tornado warning at Sep 6, 1990, 3:09 PM EDT for Geauga County, Ohio. It was in force for 36 min.

The area

The counties it named.

The facts

Issued
Sep 6, 1990, 3:09 PM EDT (19:09 UTC)
Expired
Sep 6, 1990, 3:45 PM EDT
In force
36 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Geauga 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, 7.2 hours before the alert went out and 151 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 1990-09-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 58 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 1990-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
58 J/kg
Mixed-layer CIN
-206 J/kg
Mixed-layer LCL
691 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
68 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 KCLE 061909
TORCLE
OHC055-061945-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
309 PM EDT THU SEP 6 1990
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  345 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTHEAST OHIO
          ...GEAUGA
 
AT 308 PM A TORNADO WAS REPORTED NEAR CHARDON... THE TORNADO WAS SMALL
AND MOVING SOUTHEAST. TAKE SHELTER.
 
 
IF YOU ARE IN THE PAuTH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT. PROTECT YOUR HEAD... CHEST AND EXPOSED SKIN.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR AND
PUT AS MANY WALLS AS POSSIBLE BETWEEN YOURSELF AND THE STORM.
AVOID WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 6, 2:03 PM EDTSevere Thunderstorm WarningCLEHuron, Lorain42 min
Sep 6, 3:00 PM EDTSevere Thunderstorm WarningCLEGeauga30 min
Sep 6, 3:06 PM EDTSevere Thunderstorm WarningCLEWayne54 min
Sep 6, 3:20 PM EDTSevere Thunderstorm WarningCLEAshtabula40 min
Sep 6, 3:23 PM EDTSevere Thunderstorm WarningCLETrumbull67 min
Sep 6, 3:30 PM EDTSevere Thunderstorm WarningCLEPortage, Stark, Summit60 min
Sep 6, 4:05 PM EDTTornado WarningCLETrumbull55 min
Sep 6, 4:10 PM EDTSevere Thunderstorm WarningCLEMahoning65 min
Sep 6, 4:15 PM EDTSevere Thunderstorm WarningCLEMahoning60 min
Sep 6, 4:27 PM EDTSevere Thunderstorm WarningCLECarroll, Holmes, Tuscarawas63 min
Sep 6, 6:18 PM EDTSevere Thunderstorm WarningCLEBelmont42 min
Sep 6, 7:48 PM EDTSevere Thunderstorm WarningCLECuyahoga, Lorain57 min

Nearby

Tornado Warnings in Ohio, 1990Every tornado warning in 1990Tornadoes in 1990

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.