Alert archive / Ohio / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 207, NWS Cleveland, OH

July 7, 1994Portage County, Summit County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 7, 1994, 4:32 PM EDT for Portage County, Summit County, Ohio. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jul 7, 1994, 4:32 PM EDT (20:32 UTC)
Expired
Jul 7, 1994, 5:30 PM EDT
In force
58 min
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Portage County, OH, Summit County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.5 hours before the alert went out and 134 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 1994-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 277 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 1994-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
277 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
1028 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
-24 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 
WUUS1 KCAK 072033
SVRCLE
OHC133-153-072130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AKRON OH
432 PM EDT THU JUL 7 1994
 
THE NATIONAL WEATHER SERVICE IN AKRON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...S...
 
IN NORTHEAST OHIO
 
   ...PORTAGE COUNTY...SUMMIT COUNTY
 
RADAR AT 428 PM INDICATED A LINE OF POSSIBLE SEVERE THUNDERSTORMS ACROSS
NORTHERN SUMMIT AND PORTAGE COUNTIES.
 
THE STRONGEST STORMS WERE INDICATED NEAR HUDSON...TWINSBURG AND AURORA
 
AND WERE MOVING NORTHEAST AT ABOUT 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.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
 
RLB

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 7, 3:12 PM EDT, 1 hour 20 minutes before
OHZ028-029-030-037-047-072015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MANSFIELD OH
312 PM EDT THU JUL 7 1994

...STRONG THUNDERSTORMS MOVING THROUGH NORTH CENTRAL OHIO...

AT 305 PM NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A CLUSTER
OF STRONG THUNDERSTORMS ENTERING SOUTHWESTERN CRAWFORD COUNTY MOVING
TO THE NORTHEAST AT 20 MILES AN HOUR. THESE THUNDERSTORMS WILL AFFECT
THE CITIES OF BUCYRUS...GALION...AND CRESTLINE DURING THE NEXT HOUR.

THESE THUNDERSTORMS MAY BE ACCOMPANIED BY WIND GUSTS TO 40 MILES AN
HOUR...SMALL HAIL...FREQUENT LIGHTNING...AND HEAVY DOWNPOURS.

IF THREATENING WEATHER APPROACHES SEEK SHELTER IN A STRONG BUILDING.
LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL NEWS MEDIA FOR FURTHER
STATEMENTS AND WARNINGS.

BLONDIN
NNNN
Special weather statement, Jul 7, 3:12 PM EDT, 1 hour 20 minutes before
OHZ028-029-030-037-047-072015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MANSFIELD OH
312 PM EDT THU JUL 7 1994

...STRONG THUNDERSTORMS MOVING THROUGH NORTH CENTRAL OHIO...

AT 305 PM NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A CLUSTER
OF STRONG THUNDERSTORMS ENTERING SOUTHWESTERN CRAWFORD COUNTY MOVING
TO THE NORTHEAST AT 20 MILES AN HOUR. THESE THUNDERSTORMS WILL AFFECT
THE CITIES OF BUCYRUS...GALION...AND CRESTLINE DURING THE NEXT HOUR.

THESE THUNDERSTORMS MAY BE ACCOMPANIED BY WIND GUSTS TO 40 MILES AN
HOUR...SMALL HAIL...FREQUENT LIGHTNING...AND HEAVY DOWNPOURS.

IF THREATENING WEATHER APPROACHES SEEK SHELTER IN A STRONG BUILDING.
LISTEN TO NOAA WEATHER RADIO OR YfOUR LOCAL NEWS MEDIA FOR FURTHER
STATEMENTS AND WARNINGS.

BLONDIN
NNNN
Special weather statement, Jul 7, 3:26 PM EDT, 1 hour 6 minutes before
OHZ023-033-041-PAZ007-013-072000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
326 PM EDT THU JUL 7 1994

STRONG THUNDERSTORMS WERE DEVELOPING ACROSS NORTHEAST OHIO AND WESTERN
PENNSYLVANIA THIS AFTERNOON.

AT 325 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A BROKEN LINE OF
STRONG THUNDERSTORMS EXTENDING FROM JUST SOUTH OF ERIE PENNSYLVANIA TO
CLEVELAND.  THESE STORMS WERE MOVING TO THE EAST AT 15 MPH AND WILL
MOVE INTO EXTREME NORTHERN TRUMBULL COUNTY BY 330 PM EDT AND NORTHERN
MERCER COUNTY BY 415 PM EDT. ADDITIONAL STRONG THUNDERSTORMS WERE LOCATED
IN NORTHWEST AND WEST CENTRAL OHIO. THESE STORMS WERE ALSO MOVING EAST.

RESIDENTS OF THE MAHONING AND SHENANGO VALLEYS SHOULD STAY ALERT TO
CHANGING WEATHER CONDITIONS.  STRONG THUNDERSTORMS WITH HEAVY RAINS...
LARGE HAIL...GUSTY WINDS...AND FREQUENT LIGHTNING ARE POSSIBLE THIS
AFTERNOON AND EVENING.
SW
Special weather statement, Jul 7, 3:26 PM EDT, 1 hour 6 minutes before
OHZ023-033-041-PAZ007-013-072000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
326 PM EDT THU JUL 7 1994

STRONG THUNDERSTORMS WERE DEVELOPING ACROSS NORTHEAST OHIO AND WESTERN
PENNSYLVANIA THIS AFTERNOON.

AT 325 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A BROKEN LINE OF
STRONG THUNDERSTORMS EXTENDING FROM JUST SOUTH OF ERIE PENNSYLVANIA TO
CLEVELAND.  THESE STORMS WERE MOVING TO THE EAST AT 15 MPH AND WILL
MOVE INTO EXTREME NORTHERN TRUMBULL COUNTY BY 330 PM EDT AND NORTHERN
MERCER COUNTY BY 415 PM EDT. ADDITIONAL STRONG THUNDERSTORMS WERE LOCATED
IN NORTHWEST AND WEST CENTRAL OHIO. THESE STORMS WERE ALSO MOVING EAST.

RESIDENTS OF THE MAHONING AND SHENANGO VALLEYS SHOULD STAY ALERT TO
CHANGING WEATHER CONDITIONS.  STRONG THUNDERSTORMS WITH HEAVY RAINS...
LARGE HAIL...GUSTY WINDS...AND FREQUENT LIGHTNING ARE POSSIBLE THIS
AFTERNOON AND EVENING.
SW
Special weather statement, Jul 7, 3:36 PM EDT, 56 minutes before
OHZ021-022-072030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
335 PM EDT  THU JUL 7  1994

THUNDERSTORMS PACKING HEAVY RAINS WERE DEVELOPING OVER NORTHERN SUMMIT
COUNTY THIS AFTERNOON.

RADAR AT 330 PM INDICATED A STRONG STORM ABOUT 5 MILES NORTHWEST OF
OF BATH AND ANOTHER NEAR BOSTON HEIGHTS. THE STORMS WERE MOVING NORTHEAST
TOWARD TWINSBURG AND WILL PRODUCE TORRENTIAL DOWNPOURS...WIND GUSTS TO
ABOUT 40 MPH AND POSSIBLY SMALL HAIL.

HEAVY RAINS ASSOCIATED WITH THESE THUNDERSTORMS MAY CAUSE PONDING OF
WATER ON ROADWAYS AND MOTORISTS SHOULD AVOID DRIVING THROUGH FLOODED
AREAS.

RLB
Special weather statement, Jul 7, 3:36 PM EDT, 56 minutes before
OHZ021-022-072030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
335 PM EDT  THU JUL 7  1994

THUNDERSTORMS PACKING HEAVY RAINS WERE DEVELOPING OVER NORTHERN SUMMIT
COUNTY THIS AFTERNOON.

RADAR AT 330 PM INDICATED A STRONG STORM ABOUT 5 MILES NORTHWEST OF
OF BATH AND ANOTHER NEAR BOSTON HEIGHTS. THE STORMS WERE MOVING NORTHEAST
TOWARD TWINSBURG AND WILL PRODUCE TORRENTIAL DOWNPOURS...WIND GUSTS TO
ABOUT 40 MPH AND POSSIBLY SMALL HAIL.

HEAVY RAINS ASSOCIATED WITH THESE THUNDERSTORMS MAY CAUSE PONDING OF
WATER ON ROADWAYS AND MOTORISTS SHOULD AVOID DRIVING THROUGH FLOODED
AREAS.

RLB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 9:43 PM EDTSevere Thunderstorm WarningCLEPortage47 min
Jul 6, 10:01 PM EDTSevere Thunderstorm WarningCLESummit29 min
Jul 6, 10:02 PM EDTSevere Thunderstorm WarningCLEMahoning58 min
Jul 6, 10:16 PM EDTSevere Thunderstorm WarningCLECuyahoga29 min
Jul 6, 10:18 PM EDTSevere Thunderstorm WarningCLETrumbull42 min
Jul 6, 10:48 PM EDTSevere Thunderstorm WarningCLECuyahoga42 min
Jul 6, 11:30 PM EDTSevere Thunderstorm WarningCLEPortage60 min
Jul 7, 12:39 AM EDTSevere Thunderstorm WarningCLEPortage, Stark, Summit66 min
Jul 7, 4:44 AM EDTSevere Thunderstorm WarningCLEBelmont, Monroe61 min
Jul 7, 2:24 PM EDTSevere Thunderstorm WarningCLEHancock51 min
Jul 7, 3:06 PM EDTSevere Thunderstorm WarningCLESeneca54 min
Jul 7, 4:58 PM EDTTornado WarningCLEPortage62 min
Jul 7, 5:32 PM EDTSevere Thunderstorm WarningCLESummit58 min
Jul 7, 6:24 PM EDTSevere Thunderstorm WarningCLESummit51 min
Jul 7, 6:47 PM EDTSevere Thunderstorm WarningCLEStark58 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.