Alert archive / Ohio / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 45, NWS Cleveland, OH

June 18, 1993Coshocton County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 18, 1993, 4:09 PM EDT for Coshocton County, Ohio. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Jun 18, 1993, 4:09 PM EDT (20:09 UTC)
Expired
Jun 18, 1993, 5:15 PM EDT
In force
66 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Coshocton County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.2 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, Pittsburgh, PA at 12:00Z on 1993-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 42 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, Pittsburgh, PA at 12:00Z on 1993-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 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
42 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
1310 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
101 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 KCAK 182017 COR
SVRCAK
OHC031-182115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AKRON OH
409 PM EDT FRI JUN 18 1993

THE NATIONAL WEATHER SERVICE IN AKRON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......

IN EAST CENTRAL OHIO

   ...COSHOCTON COUNTY

THE COSHOCTON COUTNY SHERIFFS REPORTED THAT TREES WERE BLOWED DOWN BY
STRONG WINDS IN COSHOCTON COUTNY. WEATHER SERVICE RADAR AT 405 PM EDT
INDICATED A SEVERE THUNDERSTORM OVER SOUTH CENTRAL COSCHOCTON COUNTY
NEAT THE TOWN OF NEW MOSCOW. THIS STORM IS MOVING EAST AT 20 MPH.

WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.



IK
$$
...CORRECTED NAME OF TOWN AND TYPOS...

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 18, 2:37 PM EDT, 1 hour 32 minutes before
PAZ003-182000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
237 PM EDT FRI JUN 18 1993

...THUNDERSTORMS DEVELOPING IN NORTHWEST PENNSYLVANIA...

AT 235 THIS AFTERNOON WEATHER RADAR SHOWED SHOWERS AND THUNDERSTORMS
DEVELOPING IN NORTHWEST PENNSYLVANIA FROM EASTERN MERCER COUNTY EASTWARD
INTO VENANGO COUNTY NEAR OIL CITY AND FRANKLIN.

THIS PRECIPITATION WAS MOVING EASTWARD AROUND 20 MILES AN HOUR AND WILL
BE AFFECTING VENANGO COUNTY FOR THE NEXT HOUR OR TWO.

THUNDERSTORMS WILL PRODUCE DANGEROUS LIGHTNING...BRIEF HEAVY DOWNPOURS...
GUSTY WINDS AND SMALL HAIL.

THE AIRMASS OVER WESTERN PENNSYLVANIA IS VERY WARM AND UNSTABLE AND
THUNDERSTORMS WILL CONTINUE TO DEVELOP THROUGHOUT THE AFTERNOON.
PARRISH/BELK
Special weather statement, Jun 18, 2:44 PM EDT, 1 hour 25 minutes before
PAZ003-182000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
237 PM EDT FRI JUN 18 1993

...THUNDERSTORMS DEVELOPING IN NORTHWEST PENNSYLVANIA...

AT 235 THIS AFTERNOON WEATHER RADAR SHOWED SHOWERS AND THUNDERSTORMS
DEVELOPING IN NORTHWEST PENNSYLVANIA FROM EASTERN MERCER COUNTY EASTWARD
INTO VENANGO COUNTY NEAR OIL CITY AND FRANKLIN.

THIS PRECIPITATION WAS MOVING EASTWARD AROUND 20 MILES AN HOUR AND WILL
BE AFFECTING VENANGO COUNTY FOR THE NEXT HOUR OR TWO.

THUNDERSTORMS WILL PRODUCE DANGEROUS LIGHTNING...BRIEF HEAVY DOWNPOURS...
GUSTY WINDS AND SMALL HAIL.

THE AIRMASS OVER WESTERN PENNSYLVANIA IS VERY WARM AND UNSTABLE AND
THUNDERSTORMS WILL CONTINUE TO DEVELOP THROUGHOUT THE AFTERNOON.
PARRISH/BELK
Special weather statement, Jun 18, 3:20 PM EDT, 49 minutes before
PAZ002-003-182100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
320 PM EDT FRI JUN 18 1993

...THUNDERSTORMS CONTINUE TO DEVELOP IN NORTHWEST PENNSYLVANIA...

AT 315 THIS AFTERNOON WEATHER RADAR SHOWED SHOWERS AND THUNDERSTORMS
ALONG THE ALLEGENY RIVER FROM JUST EAST OF WARREN SOUTHWESTWARD SOUTHERN
VENANGO COUNTY. STRONGEST THUNDERSTORMS WERE OCCURRING FROM TIONESTA
SOUTHWARD THROUGH EASTERN VENANGO COUNTY.

PRECIPITATION WAS MOVING EASTWARD AROUND 20 MILES AN HOUR AND WILL
BE AFFECTING EASTERN VENANGO...FOREST AND CLARION COUNTIES.

SOME THUNDERSTORMS WILL PRODUCE DANGEROUS LIGHTNING...BRIEF HEAVY DOWNPOURS
...GUSTY WINDS AND SMALL HAIL.

THE AIRMASS OVER WESTERN PENNSYLVANIA IS VERY WARM AND UNSTABLE AND
THUNDERSTORMS WILL CONTINUE TO DEVELOP THROUGHOUT THE AFTERNOON.

PARRISH/BELK
Special weather statement, Jun 18, 3:28 PM EDT, 41 minutes before
PAZ002-003-182100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
320 PM EDT FRI JUN 18 1993

...THUNDERSTORMS CONTINUE TO DEVELOP IN NORTHWEST PENNSYLVANIA...

AT 315 THIS AFTERNOON WEATHER RADAR SHOWED SHOWERS AND THUNDERSTORMS
ALONG THE ALLEGENY RIVER FROM JUST EAST OF WARREN SOUTHWESTWARD SOUTHERN
VENANGO COUNTY. STRONGEST THUNDERSTORMS WERE OCCURRING FROM TIONESTA
SOUTHWARD THROUGH EASTERN VENANGO COUNTY.

PRECIPITATION WAS MOVING EASTWARD AROUND 20 MILES AN HOUR AND WILL
BE AFFECTING EASTERN VENANGO...FOREST AND CLARION COUNTIES.

SOME THUNDERSTORMS WILL PRODUCE DANGEROUS LIGHTNING...BRIEF HEAVY DOWNPOURS
...GUSTY WINDS AND SMALL HAIL.

THE AIRMASS OVER WESTERN PENNSYLVANIA IS VERY WARM AND UNSTABLE AND
THUNDERSTORMS WILL CONTINUE TO DEVELOP THROUGHOUT THE AFTERNOON.

PARRISH/BELK
Special weather statement, Jun 18, 3:40 PM EDT, 29 minutes before
OHZ004-182035-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
336 PM EDT FRI JUN 18 1993

THUNDERSTORMS WERE MOVING EAST ACROSS THE NORTH CENTRAL
AND NORTHEAST THIS AFTERNOON.

AT 324 PM EDT WEATHER SERVICE RADAR INDICATED THUNDERSTORMS
OVER MEDINA AND SUMMIT COUNTIES. THESE STORMS WERE MOVING
EAST AROUND 15 MPH.

THESE STORMS WILL PRODUCE HEAVY RAINS AND GUSTY WINDS UPTO 40 MPH

SINCE THE STORMS ARE MOVING RATHER SLOW PONDxING OF WATER ON ROADWAYS
IS LIKELY ALLOW WITH FLOODING OF POOR DRAINAGE AREAS POSSIBLE.

IK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 3:46 PM EDTSevere Thunderstorm WarningCLEPortage44 min
Jun 18, 4:23 PM EDTSevere Thunderstorm WarningCLEMahoning52 min
Jun 18, 4:27 PM EDTSevere Thunderstorm WarningCLEGuernsey, Tuscarawas63 min
Jun 18, 4:31 PM EDTSevere Thunderstorm WarningCLEColumbiana44 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1993Every severe thunderstorm warning in 1993

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.