Alert archive / Ohio / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 233, NWS Cleveland, OH

July 29, 1994Washington County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 29, 1994, 6:32 PM EDT for Washington County, Ohio. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Jul 29, 1994, 6:32 PM EDT (22:32 UTC)
Expired
Jul 29, 1994, 7:15 PM EDT
In force
43 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Washington County, OH

The nearest sounding before it

Huntington/Tri S, WV (KHTS), launched 12:00Z, 10.5 hours before the alert went out and 149 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, Huntington/Tri S, WV at 12:00Z on 1994-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 94 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, Huntington/Tri S, WV at 12:00Z on 1994-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.1939587897Sfc1 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
94 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
1000 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
67 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 292232 RRA
SVRCAK
OHC167-292315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AKRON OH
632 PM EDT FRI JUL 29 1994
 
THE NATIONAL WEATHER SERVICE IN AKRON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY......
 
IN SOUTHEAST OHIO
 
   ...WASHINGTON COUNTY
 
AT 630PM EDT AKRON CANTON WEATHER RADAR INDICATED A POSSIBLE SEVERE
THUNDERSTORM 10 MILES NORTH OF MARIETTA MOVING NORTH AT 15 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.  MOTORISzTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
THOMPSON

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, Jul 29, 12:32 PM EDT, 6 hours before
OHZ003-291800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
1232 PM EDT FRI JUL 29 1994

AN ISOLATED THUNDERSTORM WITH VERY HEAVY RAIN WAS OVER THE METROPOLITAN
TOLEDO AREA EARLY THIS AFTERNOON.

AT 1230 PM EDT WEATHER RADAR INDICATED AN ISOLATED THUNDERSTORM CENTERED
OVER NORTH AND WEST TOLEDO. THIS STORM WAS PRODUCING VERY HEAVY RAIN.
THE HEAVY RAIN WILL LIKELY PRODUCE LOCALIZED FLOODING OF STREETS AND
LOW LYING AREAS. ACCORDING TO DOPPLER RADAR IN CLEVELAND...THIS STORM
HAS PRODUCED 1.9 INCHES OF RAIN BETWEEN 1130 AND 1230 PM.

THE STORM SHOWED LITTLE MOVEMENT IN THE PAST HALF HOUR. THE STORM WILL
LIKELY REMAIN OVER LUCAS COUNTY THROUGH 130 PM. WATCH FOR PONDING OF
WATER AND NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

MURPHY
Special weather statement, Jul 29, 5:10 PM EDT, 1 hour 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MANSFIELD OH
510 PM EDT FRI JUL 29 1994

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 7PM EDT FOR
MUCH OF CENTRAL AND SOUTHERN OHIO. THIS INCLUDES MORROW AND KNOX
COUNTIES.

A FLOOD WARNING IS IN EFFECT FOR MORROW COUNTY UNTIL 8PM EDT.

THE SEVERE THUNDERSTORM WARNINGS FOR MORROW AND CRAWFORD COUNTIES
WERE ALLOWED TO EXPIRE AT 445 PM EDT.

AT 5PM WEATHER RADAR INDICATED A LARGE AREA OF SHOWERS AND THUNDERSTORMS
COVERING MUCH OF THE SOUTHWEST HALF OF OHIO. THUNDERSTORMS HAVE
PERSISTED OVER SOTHWEST MORROW COUNTY FOR THE LAST TWO HOURS WITH
INDICATIONS FROM DOPPLER RADAR OF THREE INCHES OF RAINFALL. THUNDERSTORM
MOVEMENT IS LITTLE WITH STORMS SLOWLY DRIFTING TO THE NORTH INTENSE
RAINS ARE POSSIBLE.

CURRY
Special weather statement, Jul 29, 5:15 PM EDT, 1 hour 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MANSFIELD OH
510 PM EDT FRI JUL 29 1994

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 7PM EDT FOR
MUCH OF CENTRAL AND SOUTHERN OHIO. THIS INCLUDES MORROW AND KNOX
COUNTIES.

A FLOOD WARNING IS IN EFFECT FOR MORROW COUNTY UNTIL 8PM EDT.

THE SEVERE THUNDERSTORM WARNINGS FOR MORROW AND CRAWFORD COUNTIES
WERE ALLOWED TO EXPIRE AT 445 PM EDT.

AT 5PM WEATHER RADAR INDICATED A LARGE AREA OF SHOWERS AND THUNDERSTORMS
COVERING MUCH OF THE SOUTHWEST HALF OF OHIO. THUNDERSTORMS HAVE
PERSISTED OVER SOTHWEST MORROW COUNTY FOR THE LAST TWO HOURS WITH
INDICATIONS FROM DOPPLER RADAR OF THREE INCHES OF RAINFALL. THUNDERSTORM
MOVEMENT IS LITTLE WITH STORMS SLOWLY DRIFTING TO THE NORTH INTENSE
RAINS ARE POSSIBLE.

CURRY
Special weather statement, Jul 29, 6:24 PM EDT, 8 minutes before
OHZ002-003-005>008-016>018-027-300100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
625 PM EDT FRI JUL 29 1994

...FLASH FLOOD WATCH IN EFFECT FOR NORTHWEST OHIO UNTIL MIDNIGHT....

AT 620 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED
THUNDERSTORMS FROM 10 MILES SOUTHWEST OF TIFFIN IN SENECA COUNTY TO 15
MILES NORTHWEST OF OTTAWA IN PUTNAM COUNTY. THE STONGEST STORMS WERE
LOCATED 15 MILES SOUTH OF FINDLAY IN HANCOCK COUNTY AND 15 MILES
NORTHWEST OF OTTAWA.

THESE STORMS WERE MOVING VERY SLOWLY TO THE NORTHWEST AND MAY CONTAIN
VERY HEAVY RAIN...GUSTY WINDS AND DANGEROUS LIGHTNING. WATCH FOR PONDING
OF WATER ON ROADWAYS AND SEEK SHELTER INDOORS WHEN THUNDERSTORMS &ARE IN
YOUR AREA. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR THE
LATEST WEATHER CONDITIONS.

DP
Special weather statement, Jul 29, 6:25 PM EDT, 7 minutes before
OHZ002-003-005>008-016>018-027-300100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
625 PM EDT FRI JUL 29 1994

...FLASH FLOOD WATCH IN EFFECT FOR NORTHWEST OHIO UNTIL MIDNIGHT....

AT 620 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED
THUNDERSTORMS FROM 10 MILES SOUTHWEST OF TIFFIN IN SENECA COUNTY TO 15
MILES NORTHWEST OF OTTAWA IN PUTNAM COUNTY. THE STONGEST STORMS WERE
LOCATED 15 MILES SOUTH OF FINDLAY IN HANCOCK COUNTY AND 15 MILES
NORTHWEST OF OTTAWA.

THESE STORMS WERE MOVING VERY SLOWLY TO THE NORTHWEST AND MAY CONTAIN
VERY HEAVY RAIN...GUSTY WINDS AND DANGEROUS LIGHTNING. WATCH FOR PONDING
OF WATER ON ROADWAYS AND SEEK SHELTER INDOORS WHEN THUNDERSTORMS ARE IN
YOUR AREA. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR THE
LATEST WEATHER CONDITIONS.

DP
Special weather statement, Jul 29, 6:25 PM EDT, 7 minutes before
OHZ076-292330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
625 PM EDT FRI JUL 29 1994_

STRONG THUNDERSTORMS WERE MOVING NORTH INTO WASHINGTON COUNTY
IN SOUTHEAST OHIO THIS EVENING.

AT 620 PM EDT AKRON CANTON WEATHER RADAR INDICATED A STRONG
THUNDERSTORM NEAR PARKERSBURG WV MOVING NORTH AT 15 MPH.

THIS STORM WILL MOVE NORTH THROUGH WASHINGTON COUNTY BETWEEN
630 AND 715 PM THIS EVENING PRODUCING VERY HEAVY RAINS...WIND
GUSTS TO NEAR 50 MPH AND VERY FREQUENT CLOUD TO GROUND LIGHTNING.

PEOPLE IN WASHINGTON COUNTY SHOULD SEEK SAFE SHELTER INDOORS UNTIL
THIS STORM PASSES.

THOMPSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 7:45 PM EDTSevere Thunderstorm WarningCLECoshocton45 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.