Alert archive / Ohio / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 263, NWS Cleveland, OH

August 12, 1994Guernsey County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 12, 1994, 7:52 PM EDT for Guernsey County, Ohio. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Aug 12, 1994, 7:52 PM EDT (23:52 UTC)
Expired
Aug 12, 1994, 8:32 PM EDT
In force
40 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Guernsey County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 11.9 hours before the alert went out and 125 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 1994-08-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 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 1994-08-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 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
8 J/kg
Mixed-layer CIN
-183 J/kg
Mixed-layer LCL
1046 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
132 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 122353
SVRCAK
OHC059-130045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AKRON OH
752 PM EDT FRI AUG 12 1994
 
THE NATIONAL WEATHER SERVICE IN AKRON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  845 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN EAST CENTRAL OHIO
 
   ...GUERNSEY COUNTY
 
AT 750 PM NATIONAL WEATHER SERVICE RADAR INDICATED A POSSIBLE SEVERE
THUNDERSTORM OVER THE EASTERN HALF OF GUERSNEY COUNTY MOVING EASTERLY AT
30 MPH. THE GUERNSEY COUNTY SHERIFF DEPARTMENT REPORTED TREES AND POWER
LINES DOWN IN THE SOUTHERN PART OF THE COUNTY NEAR SENECAVILLE.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
 
 
IK

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 12, 6:01 PM EDT, 1 hour 51 minutes before
OHZ039-040-048-049-050-058-059-068-069-076-122300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
600 PM EDT FRI AUG 12 1994

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF SOUTHERN
OHIO UNTIL 10 PM.

SOME CITIES INCLUDED IN THE WATCH AREA ARE ATHENS...CAMBRIDGE
CINCINNATI..IRONTON...MARIETTA...PORTSMOUTH...STEUBENVILLE AND
ZANESVILLE.

AT 550 PM NATIONAL WEATHER SERVICE RADAR SHOWED SCATTERED THUNDERSTORMS
NORTH OF A RAVENNA OHIO...SLIPPERY ROCK PENNSYLANIA LINE. AN ISOLATED
THUNDERSTORM WAS NEAR THE PITTSBURGH PENNSYLVANIA AIRPORT. A RAIN SHOWER
NEAR BEACH CITY AND ANOTHER WAS NEAR WELLSBURG WEST VIRGINIA. THERE WERE
ALSO SCATTERED THUNDERSTORMS TO THE WEST OF A LANCASTER...ATHENS LINE.
ALL THE STORMS WERE MOVING EASTERLY AROUND 25 MPH.

STRONG STORMS ARE CAPABLE OF PRODUCING GUSTY WINDS UP TO 40 MPH...VERY
HEAVY RAIN...FREQUENT LIGHTNING AND SMALL HAIL.

REMEMBER SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...FREQUENT
LIGHTNING...VERY HEAVY RAINS AND LARGE HAIL.

KEEP AN EYE TO THE SKY AND IF THREATENING WEATHER APPROACHES
MOVE TO A PLACE OF SAFETY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL NEWS MEDIA
FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

IK
Special weather statement, Aug 12, 6:02 PM EDT, 1 hour 50 minutes before
OHZ039>041-048>050-054>059-061>088-122300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
600 PM EDT FRI AUG 12 1994

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF SOUTHERN
Special weather statement, Aug 12, 6:46 PM EDT, 1 hour 6 minutes before
OHZ010>014-020>023-030>033-038-047-PAZ001>003-130000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
646 PM EDT FRI AUG 12 1994

STRONG THUNDERSTORMS WERE MOVING ACROSS NORTHEAST OHIO THIS EVENING.

AT 645 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A DEVELOPING
LINE OF STRONG THUNDERSTORMS FROM WEST OF CONNEAUT IN NORTHEAST
ASHTABULA COUNTY TO NORTHERN TRUMBULL COUNTY NEAR WARREN...AND THEN
SOUTH TO WESTERN MAHONING COUNTY. THE STORMS WERE MOVING NORTHEAST AT
30 MILES AN HOUR.

THESE STORMS HAVE THE CAPABILITY OF PRODUCING TORRENTIAL RAIN...SMALL
HAIL...AND WIND GUSTS TO 40 MILES AN HOUR. THESE STORMS WILL BE MOVING
INTO THE NORTHWEST PENNSYLVANIA COUNTIES OF ERIE AND CRAWFORD BY 7 PM.

IF YOU ARE IN THE PATH OF THESE STORMS...BE ON THE LOOKOUT FOR
THREATENING WEATHER. MOVE TO SAFETY IF THREATENING WEATHER APPROACHES
OR A WARNING IS ISSUED.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION
FOR THE LATEST WEATHER INFORMATION.

GERARD
Special weather statement, Aug 12, 6:47 PM EDT, 1 hour 5 minutes before
OHZ010>014-020>023-030>033-038-047-PAZ001>003-130000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
646 PM EDT FRI AUG 12 1994

STRONG THUNDERSTORMS WERE MOVING ACROSS NORTHEAST OHIO THIS EVENING.

AT 645 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A DEVELOPING
LINE OF STRONG THUNDERSTORMS FROM WEST OF CONNEAUT IN NORTHEAST
ASHTABULA COUNTY TO NORTHERN TRUMBULL COUNTY NEAR WARREN...AND THEN
SOUTH TO WESTERN MAHONING COUNTY. THE STORMS WERE MOVING NORTHEAST AT
30 MILES AN HOUR.

THESE STORMS HAVE THE CAPABILITY OF PRODUCING TORRENTIAL RAIN...SMALL
HAIL...AND WIND GUSTS TO 40 MILES AN HOUR. THESE STORMS WILL BE MOVING
INTO THE NORTHWEST PENNSYLVANIA COUNTIES OF ERIE AND CRAWFORD BY 7 PM.

IF YOU ARE IN THE PATH OF THESE STORMS...BE ON THE LOOKOUT FOR
THREATENING WEATHER. MOVE TO SAFETY IF THREATENING WEATHER APPROACHES
OR A WARNING IS ISSUED.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION
FOR THE LATEST WEATHER INFORMATION.

GERARD
Special weather statement, Aug 12, 6:57 PM EDT, 55 minutes before
OHZ039-040-048-049-050-058-059-068-069-076-130000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
657 PM EDT FRI AUG 12 1994

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF SOUTHERN
OHIO UNTIL 10 PM.

SOME CITIES INCLUDED IN THE WATCH AREA ARE ATHENS...CAMBRIDGE
CINCINNATI..IRONTON...MARIETTA...PORTSMOUTH...STEUBENVILLE AND
ZANESVILLE.

AT 650 PM NATIONAL WEATHER SERVICE RADAR SHOWED SCATTERED STRONG
THUNDERTORMS TO THE WEST OF A COSHOCTON...CALDWELL...PARKERSBURG
WEST VIRGINIA LINE. THESE STORMS WERE MOVING EASTERLY AROUND 25 MPH.

THESE STORMS ARE CAPABLE OF PRODUCING GUSTY WINDS UP TO 40 MPH...VERY
HEAVY RAIN...FREQUENT LIGHTNING AND SMALL HAIL.

REMEMBER SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...FREQUENT
LIGHTNING...TORRENTIAL RAINS AND LARGE HAIL.

KEEP AN EYE TO THE SKY AND IF THREATENING WEATHER APPROACHES
MOVE TO A PLACE OF SAFETY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL NEWS MEDIA
FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

IK
Special weather statement, Aug 12, 6:58 PM EDT, 54 minutes before
OHZ039-040-048-049-050-058-059-068-069-076-130000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
657 PM EDT FRI AUG 12 1994

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF SOUTHERN
OHIO UNTIL 10 PM.

SOME CITIES INCLUDED IN THE WATCH AREA ARE ATHENS...CAMBRIDGE
CINCINNATI..IRONTON...MARIETTA...PORTSMOUTH...STEUBENVILLE AND
ZANESVILLE.

AT 650 PM NATIONAL WEATHER SERVICE RADAR SHOWED SCATTERED STRONG
THUNDERTORMS TO THE WEST OF A COSHOCTON...CALDWELL...PARKERSBURG
WEST VIRGINIA LINE. THESE STORMS WERE MOVING EASTERLY AROUND 25 MPH.

THESE STORMS ARE CAPABLE OF PRODUCING GUSTY WINDS UP TO 40 MPH...VERY
HEAVY RAIN...FREQUENT LIGHTNING AND SMALL HAIL.

REMEMBER SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...FREQUENT
LIGHTNING...TORRENTIAL RAINS AND LARGE HAIL.

KEEP AN EYE TO THE SKY AND IF THREATENING WEATHER APPROACHES
MOVE TO A PLACE OF SAFETY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL NEWS MEPDIA
FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

IK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 4:02 PM EDTSevere Thunderstorm WarningCLEColumbiana43 min
Aug 12, 4:04 PM EDTSevere Thunderstorm WarningCLEMahoning36 min
Aug 12, 4:04 PM EDTSevere Thunderstorm WarningCLEMahoning56 min
Aug 12, 5:19 PM EDTSevere Thunderstorm WarningCLELake41 min
Aug 12, 6:50 PM EDTSevere Thunderstorm WarningCLEAshtabula34 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.