Alert archive / Ohio / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 269, NWS Cleveland, OH

August 13, 1994Mahoning County, Trumbull County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 13, 1994, 9:41 PM EDT for Mahoning County, Trumbull County, Ohio. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
Aug 13, 1994, 9:41 PM EDT (01:41 UTC)
Expired
Aug 13, 1994, 10:45 PM EDT
In force
64 min
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Mahoning County, OH, Trumbull County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 1.7 hours before the alert went out and 101 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 00:00Z on 1994-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1877 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 00:00Z on 1994-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 185 square meters per square second.193958Sfc1 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
1877 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
922 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
185 m²/s²
0-3 km storm-relative helicity
242 m²/s²
Significant tornado parameter
1.7
Supercell composite
10.6

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Aug 13, 4:35 PM EDT, 5 hours 6 minutes before
OHZALL-132100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
435 PM EDT SAT AUG 13 1994

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR A LARGE PORTION OF
NORTHWEST OHIO UNTIL 11 PM EDT THIS EVENING.

THE WATCH IS ROUGHLY WEST AND NORTH OF A LINE FROM VERMILLION TO MOUNT
VERNON TO GREENVILLE.

CITIES IN THE SEVERE THUNDERSTORM WATCH INCLUDE: SANDUSKY...MARION...
LIMA...FINDLAY...DEFIANCE...AND TOLEDO.

AT 430 PM NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED WIDESPREAD
SHOWERS ACROSS THE NORTHERN HALF OF OHIO.  FURTHER TO THE WEST
HOWEVER...THUNDERSTORMS WERE STRENGTHENING ACROSS NORTHERN INDIANA.
THE AIRMASS ACROSS OHIO IS VERY UNSTABLE AND THESE STORMS WILL CONTINUE
TO INTENSIFY AS THEY MOVE INTO NORTHWESTERN OHIO THROUGH THE AFTERNOON
AND EVENING.

IN ADDITION...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR MUCH OF NORTHERN
OHIO AND NORTHWESTERN PENNSYLVANIA THROUGH TONIGHT.

PERSONS IN THE WATCH AREAS ARE ADVISED TO MONITOR NOAA WEATHER RADIO OR
THE LOCAL MEDIA FOR FURTHER INFORMATION ON THIS SEVERE WEATHER AND
FLOODING THREAT.

KING
Special weather statement, Aug 13, 4:36 PM EDT, 5 hours 5 minutes before
OHZALL-132100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
435 PM EDT SAT AUG 13 1994

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR A LARGE PORTION OF
NORTHWEST OHIO UNTIL 11 PM EDT THIS EVENING.

THE WATCH IS ROUGHLY WEST AND NORTH OF A LINE FROM VERMILLION TO MOUNT
VERNON TO GREENVILLE.

CITIES IN THE SEVERE THUNDERSTORM WATCH INCLUDE: SANDUSKY...MARION...
LIMA...FINDLAY...DEFIANCE...AND TOLEDO.

AT 430 PM NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED WIDESPREAD
SHOWERS ACROSS THE NORTHERN HALF OF OHIO.  FURTHER TO THE WEST
HOWEVER...THUNDERSTORMS WERE STRENGTHENING ACROSS NORTHERN INDIANA.
THE AIRMASS ACROSS OHIO IS VERY UNSTABLE AND THESE STORMS WILL CONTINUE
TO INTENSIFY AS THEY MOVE INTO NORTHWESTERN OHIO THROUGH THE AFTERNOON
AND EVENING.

IN ADDITION...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR MUCH OF NORTHERN
OHIO AND NORTHWESTERN PENNSYLVANIA THROUGH TONIGHT.

PERSONS IN THE WATCH AREAS ARE AD
VISED TO MONITOR NOAA WEATHER RADIO OR
THE LOCAL MEDIA FOR FURTHER INFORMATION ON THIS SEVERE WEATHER AND
FLOODING THREAT.

KING
Special weather statement, Aug 13, 5:35 PM EDT, 4 hours 6 minutes before
OHZALL-132230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
535 PM EDT SAT AUG 13 1994

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR A LARGE PORTION OF
NORTHWEST OHIO UNTIL 11 PM EDT THIS EVENING.

THE WATCH IS ROUGHLY NORTH AND WEST OF A LINE FROM VERMILLION TO MOUNT
VERNON TO GREENVILLE.

CITIES INCLUDED IN THE SEVERE THUNDERSTORM WATCH AREA ARE VAN
WERT...DEFIANCE...LIMA...TOLEDO...BOLWING GREEN...FINDLAY...
TIFFIN...MARION...NORWALK AND MANSFIELD.

AT 532 PM EDT...NATIONAL WEATHER SERVICE DOPPLER IN CLEVELAND SHOWED
THUNDERSTORMS SCATTERED ALONG A LINE FROM MAUMEE BAY TO JUST NORTHWEST
OF TOLEDO ON INTO NORTHEAST INDIANA.

THESE STORMS WERE MOVING TO THE EAST AT 35 MILES AN HOUR.  BY 630 PM
EDT...THE LEADING EDGE OF THESE STORMS WILL EXTEND FROM THE ISLANDS TO
TOLEDO TO JUST NORTHWEST OF LIMA.

IN ADDITION...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR MUCH OF NORTHERN
OHIO AND NORTHWESTERN PENNSYLVANIA FOR TONIGHT.

IF YOU LIVE IN THE WATCH AREA...STAY TUNED TO NOAA WEATHER RADIO OR
TO THE LOCAL MEDIA FOR FURTHER SEVERE WEATHER AND FLOODING INFORMATION.

BARJENBRUCH

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Special weather statement, Aug 13, 5:37 PM EDT, 4 hours 4 minutes before
OHZALL-132230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
535 PM EDT SAT AUG 13 1994

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR A LARGE PORTION OF
NORTHWEST OHIO UNTIL 11 PM EDT THIS EVENING.

THE WATCH IS ROUGHLY NORTH AND WEST OF A LINE FROM VERMILLION TO MOUNT
VERNON TO GREENVILLE.

CITIES INCLUDED IN THE SEVERE THUNDERSTORM WATCH AREA ARE VAN
WERT...DEFIANCE...LIMA...TOLEDO...BOLWING GREEN...FINDLAY...
TIFFIN...MARION...NORWALK AND MANSFIELD.

AT 532 PM EDT...NATIONAL WEATHER SERVICE DOPPLER IN CLEVELAND SHOWED
THUNDERSTORMS SCATTERED ALONG A LINE FROM MAUMEE BAY TO JUST NORTHWEST
OF TOLEDO ON INTO NORTHEAST INDIANA.

THESE STORMS WERE MOVING TO THE EAST AT 35 MILES AN HOUR.  BY 630 PM
EDT...THE LEADING EDGE OF THESE STORMS WILL EXTEND FROM THE ISLANDS TO
TOLEDO TO JUST NORTHWEST OF LIMA.

IN ADDITION...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR MUCH OF NORTHERN
OHIO AND NORTHWESTERN PENNSYLVANIAb FOR TONIGHT.

IF YOU LIVE IN THE WATCH AREA...STAY TUNED TO NOAA WEATHER RADIO OR
TO THE LOCAL MEDIA FOR FURTHER SEVERE WEATHER AND FLOODING INFORMATION.

BARJENBRUCH

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 8:48 PM EDTSevere Thunderstorm WarningCLESummit57 min
Aug 13, 9:04 PM EDTSevere Thunderstorm WarningCLEPortage56 min
Aug 14, 12:16 AM EDTTornado WarningCLELake27 min
Aug 14, 12:30 AM EDTSevere Thunderstorm WarningCLEAshtabula45 min
Aug 14, 3:10 AM EDTSevere Thunderstorm WarningCLEAshtabula35 min
Aug 14, 4:13 AM EDTFlash Flood WarningCLEAshland, Stark, Wayne3 hr
Aug 14, 4:13 AM EDTFlash Flood WarningCLERichland3 hr
Aug 14, 12:58 AM EDTFlash Flood WarningCLEErie62 min
Aug 14, 2:12 AM EDTFlash Flood WarningCLEErie2 hr
Aug 14, 3:36 AM EDTSevere Thunderstorm WarningCLEErie54 min
Aug 14, 4:20 AM EDTFlash Flood WarningCLEErie3 hr

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.