Alert archive / Ohio / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 321, NWS Cleveland, OH

September 30, 1994Erie County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Sep 30, 1994, 11:51 PM EDT for Erie County, Ohio. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Sep 30, 1994, 11:51 PM EDT (03:51 UTC)
Expired
Oct 1, 1994, 12:45 AM EDT
In force
54 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Erie County, OH

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 3.9 hours before the alert went out and 155 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, Detroit, MI at 00:00Z on 1994-10-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Detroit, MI at 00:00Z on 1994-10-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1571 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
254 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 010352 RRA
SVRCLE
OHC043-010445-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1151 PM EDT FRI SEP 30 1994
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1245 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN  OHIO
 
   ...ERIE COUNTY
 
AND THE ADJACENT WATERS OF LAKE ERIE
 
 
AT 1145 PM EDT DOPPLER RADAR IN CLEVELAND SHOWED A POSSIBLE SEVERE
THUNDERSTORM NEAR THE CITY OF SANDUSKY IN ERIE COUNTY. IT WAS MOVING
EAST SOUTHEAST AROUND 35 MPH.
 
IT WILL MOVE ALONG THE LAKESHORE TO NEAR THE CITY OF HURON AROUND 1215
TO 1230 AM.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55|
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE
WATER COVERS THE ROAD.

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, Sep 30, 11:42 PM EDT, 9 minutes before
OHZ007>010-019-010445-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1142 PM EDT FRI SEP 30 1994

A STRONG THUNDERSTORM WAS MOVING ALONG THE LAKESHORE NEAR PORT CLINTON.

AT 1130 PM DOPLLER RADAR IN CLEVELAND SHOWED A STRONG THUNDERSTORM
ALONG THE LAKESHORE NEAR PORT CLINTON.  IT WAS MOVING SOUTHEAST ABOUT
30 MPH.

A SKYWARN OBSERVER IN BAY VIEW...JUST SOUTHEAST OF PORT
CLINTON...REPORTED THAT THE STORM WAS PRODUCING VERY FREQUENT
LIGHTNING.  THE STORM WILL ALSO LIKELY PRODUCE BRIEF HEAVY RAINS.
SMALL HAIL IS ALSO POSSIBLE.

THE STORM WILL MOVE SOUTHEAST ALONG THE LAKESHORE TO NEAR VERMILION BY
AROUND 1230 AM EDT.

IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A
STORM APPROACHES.  MOTORISTS SHOULD REMAIN ALERT FOR REDUCED
VISIBILITIES DURING DOWNPOURS OF RAIN.  STREETS MAY FLOOD QUICKLY.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 1, 12:46 AM EDTSevere Thunderstorm WarningCLEMedina29 min
Oct 1, 1:00 AM EDTSevere Thunderstorm WarningCLEWayne30 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1994Every severe thunderstorm warning in 1994

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.