Alert archive / Ohio / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 151, NWS Cleveland, OH

June 29, 1994Portage County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 29, 1994, 12:02 AM EDT for Portage County, Ohio. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jun 29, 1994, 12:02 AM EDT (04:02 UTC)
Expired
Jun 29, 1994, 1:00 AM EDT
In force
58 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Portage County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 4.0 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 00:00Z on 1994-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 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 1994-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 square meters per square second.19395878Sfc1 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
17 J/kg
Mixed-layer CIN
-115 J/kg
Mixed-layer LCL
1244 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KCAK 290402
SVRCAK
OHC133-290500-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AKRON OH
1202 AM EDT WED JUN 29 1994
 
THE NATIONAL WEATHER SERVICE IN AKRON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  100 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN NORTHEAST OHIO
 
   ...PORTAGE COUNTY
 
AT MIDNIGHT NATIONAL WEATHER SERVICE RADAR INDICATES A POSSIBLE
SEVERE THUNDERSTORM ABOUT 5 MILES WEST OF STREETSBORO MOVING EAST
AT 25 MPH.
 
SOME TOWNS IN THE PATH OF THE STORM ARE STREETSBORO AND MANTUA.
 
 
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.
 
 
ALTO

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 28, 10:40 PM EDT, 1 hour 22 minutes before
PAZ001-002-290345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE PA
1040 PM EDT TUE JUN 28 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ERIE...CRAWFORD...AND
VENANGO COUNTIES IN NORTHWEST PENNSYLVANIA...ALONG WITH THE ADJACENT
WATERS OF LAKE ERIE...UNTIL 2 AM WEDNESDAY...

RADAR AT 1035 PM EDT SHOWERS SCATTERED STRONG THUNDERSTORMS OVER THE
CENTRAL WATERS OF LAKE ERIE...FROM 10 MILES SOUTH OF LONG POINT
CANADA...SOUTHWEST TO 12 MILES NORTH OF FAIRPORT OHIO.

THE STRONGEST THUNDERSTORMS WERE LOCATED 15 MILES NORTHWEST OF CONNEAUT
OHIO AND 10 MILES SOUTHWEST OF LONGPOINT CANADA.

MOVEMENT WAS TO THE EAST AT 25 MPH.

THE STORMS WILL MOVE INTO NORTHERN ERIE COUNTY...NEAR PRESQUE ISLE
BETWEEN 1115 PM AND 1130 PM.

LIGHTNING AND GUSTY WINDS FROM THUNDERSTORMS POSE THE GREATEST THREAT TO
BOATERS.

PERSONS BOATING ON LAKE ERIE AND PRESQUE ISLE BAY SHOULD MOVE TO SAFE
HARBOR AS THIS THREATENING WEATHER APPROACHES.

LISTEN TO NOAA WEATHER RADIO FOR FURTHER UPDATES THROUGHOUT THE EVENING.

LAMBERT
Special weather statement, Jun 28, 10:57 PM EDT, 1 hour 5 minutes before
OHZ021-022-031-032-290400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
1057 PM EDT TUE JUN 28 1994

 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF NORTHEAST OHIO
UNTIL 200 AM. THE WATCH AREA IS NORTH OF A MANSFIELD-YOUNGSTOWN LINE.

RADAR AT 1045 PM EDT RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM OVER
MEDINA COUNTY. THE STORM WAS MOVING EAST AT ABOUT 20 MPH AND SHOULD
REACH SUMMIT COUNTY BETWEEN 1130 PM AND MIDNIGHT. THIS STORM IS BEING
CLOSELY MONITORED AND RESIDENTS OF SUMMIT COUNTY SHOULD BE ALERT FOR
IT'S APPROACH AND BE PREPARED TO MOVE TO A PLACE OF SAFETY.

FARTHER WEST...A LINE OF SHOWERS AND THUNDERSTORMS EXTENDED FROM
SOUTHERN ONTARIO SOUTHWEST THROUGH OAK HARBOR TO NEAR DAYTON. THESE
STORMS WERE MOVING EAST AT ABOUT 30 MPH AND WILL MOVE INTO OHIO'S
EASTERN COUNTIES EARLY WEDNESDAY MORNING.

RESIDENTS OF NORTHEAST OHIO SHOULD REMAIN ALERT FOR THREATENING
CONDITIONS AND BE PREPARED TO MOVE TO A PLACE OF SAFETY.

RLB
Special weather statement, Jun 28, 10:57 PM EDT, 1 hour 5 minutes before
OHZ021-022-031-032-290400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
1057 PM EDT TUE JUN 28 1994

 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF NORTHEAST OHIO
UNTIL 200 AM. THE WATCH AREA IS NORTH OF A MANSFIELD-YOUNGSTOWN LINE.

RADAR AT 1045 PM EDT RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM OVER
MEDINA COUNTY. THE STORM WAS MOVING EAST AT ABOUT 20 MPH AND SHOULD
REACH SUMMIT COUNTY BETWEEN 1130 PM AND MIDNIGHT. THIS STORM IS BEING
CLOSELY MONITORED AND RESIDENTS OF SUMMIT COUNTY SHOULD BE ALERT FOR
IT'S APPROACH AND BE PREPARED TO MOVE TO A PLACE OF SAFETY.

FARTHER WEST...A LINE OF SHOWERS AND THUNDERSTORMS EXTENDED FROM
SOUTHERN ONTARIO SOUTHWEST THROUGH OAK HARBOR TO NEAR DAYTON. THESE
STORMS WERE MOVING EAST AT ABOUT 30 MPH AND WILL MOVE INTO OHIO'S
EASTERN COUNTIES EARLY WEDNESDAY MORNING.

RESIDENTS OF NORTHEAST OHIO SHOULD REMAIN ALERT FOR THREATENING
CONDITIONS AND BE PREPARED TO MOVE TO A PLACE OF SAFETY.

RLB
Special weather statement, Jun 28, 11:10 PM EDT, 52 minutes before
PAZ001-002-290415-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE ERIE PA
1110 PM EDT TUE JUN 28 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ERIE...CRAWFORD...AND
VENANGO COUNTIES IN NORTHWEST PENNSYLVANIA...ALONG WITH THE ADJACENT
WATERS OF LAKE ERIE...UNTIL 2 AM WEDNESDAY...

RADAR AT 1105 PM EDT SHOWED SCATTERED STRONG THUNDERSTORMS OVER THE
CENTRAL WATERS OF LAKE ERIE...FROM NEAR PORT ROWAN CANADA...SOUTHWEST
TO 10 MILES NORTHWEST OF ASHTABULA OHIO.

THE STRONGEST THUNDERSTORM WAS LOCATED 10 MILES NORTHWEST OF ASHTABULA
OHIO.  OTHER THUNDERSTORMS NORTH OF THE PENNSYLVANIA LAKESHORE HAVE
WEAKENED DURING THE PAST 30 MINUTES.

MOVEMENT WAS TO THE EAST-NORTHEAST AT 25 MPH.

THE STRONG THUNDERSTORM NORTHWEST OF ASHTABULA WILL MOVE PARALLEL WITH
THE SHORELINE OF LAKE ERIE...JUST OFFSHORE NEAR CONNEAUT OHIO AND
WEST SPRINGFIELD IN ERIE COUNTY OF PENNSYLVANIA BETWEEN 1130 PM AND
MIDNIGHT.

LIGHTNING AND GUSTY WINDS FROM THUNDERSTORMS POSE THE GREATEST THREAT TO
BOATERS.

PERSONS BOATING ON LAKE ERIE NEAR THE TOWN OF WEST SPRINGFIELD SHOULD
MOVE TO SAFE HARBOR IF THREATENING WEATHER APPROACHES.

LISTEN TO NOAA WEATHER RADIO FOR FURTHER UPDATES THROUGHOUT THE EVENING.

LAMBERT
Special weather statement, Jun 28, 11:12 PM EDT, 50 minutes before
PAZ001-002-290415-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE PA
1110 PM EDT TUE JUN 28 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ERIE...CRAWFORD...AND
VENANGO COUNTIES IN NORTHWEST PENNSYLVANIA...ALONG WITH THE ADJACENT
WATERS OF LAKE ERIE...UNTIL 2 AM WEDNESDAY...

RADAR AT 1105 PM EDT SHOWERS SCATTERED STRONG THUNDERSTORMS OVER THE
CENTRAL WATERS OF LAKE ERIE...FROM NEAR PORT ROWAN CANADA...SOUTHWEST
TO 10 MILES NORTHWEST OF ASHTABULA OHIO.

THE STRONGEST THUNDERSTORM WAS LOCATED 10 MILES NORTHWEST OF ASHTABULA
OHIO.  OTHER THUNDERSTORMS NORTH OF THE PENNSYLVANIA LAKESHORE HAVE
WEAKENED DURING THE PAST 30 MINUTES.

MOVEMENT WAS TO THE EAST-NORTHEAST AT 25 MPH.

THE STRONG THUNDERSTORM NORTHWEST OF ASHTABULA WILL MOVE PARALLEL WITH
THE SHORELINE OF LAKE ERIE...JUST OFFSHORE NEAR CONNEAUT OHIO AND
WEST SPRINGFIELD IN ERIE COUNTY OF PENNSYLVANIA BETWEEN 1130 AND MIDNIGHT.

LIGHTNING AND GUSTY WINDS FROM THUNDERSTORMS POSE THE GREATEST THREAT TO
BOATERS.

PERSONS BOATING ON LAKE ERIE NEAR THE TOWN OF WEST SPRINGFIELD SHOULD
MOVE TO SAFE HARBOR IF THREATENING WEATHER APPROACHES.

LISTEN TO NOAA WEATHER RADIO FOR FURTHER UPDATES THROUGHOUT THE EVENzING.

LAMBERT
Special weather statement, Jun 28, 11:18 PM EDT, 44 minutes before
PAZ001-002-290415-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE ERIE PA
1110 PM EDT TUE JUN 28 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ERIE...CRAWFORD...AND
VENANGO COUNTIES IN NORTHWEST PENNSYLVANIA...ALONG WITH THE ADJACENT
WATERS OF LAKE ERIE...UNTIL 2 AM WEDNESDAY...

RADAR AT 1105 PM EDT SHOWED SCATTERED STRONG THUNDERSTORMS OVER THE
CENTRAL WATERS OF LAKE ERIE...FROM NEAR PORT ROWAN CANADA...SOUTHWEST
TO 10 MILES NORTHWEST OF ASHTABULA OHIO.

THE STRONGEST THUNDERSTORM WAS LOCATED 10 MILES NORTHWEST OF ASHTABULA
OHIO.  OTHER THUNDERSTORMS NORTH OF THE PENNSYLVANIA LAKESHORE HAVE
WEAKENED DURING THE PAST 30 MINUTES.

MOVEMENT WAS TO THE EAST-NORTHEAST AT 25 MPH.

THE STRONG THUNDERSTORM NORTHWEST OF ASHTABULA WILL MOVE PARALLEL WITH
THE SHORELINE OF LAKE ERIE...JUST OFFSHORE NEAR CONNEAUT OHIO AND
WEST SPRINGFIELD IN ERIE COUNTY OF PENNSYLVANIA BETWEEN 1130 PM AND
MIDNIGHT.

LIGHTNING AND GUSTY WINDS FROM THUNDERSTORMS POSE THE GREATEST THREAT TO
BOATERS.

PERSONS BOATING ON LAKE ERIE NEAR THE TOWN OF WEST SPRINGFIELD SHOULD
MOVE TO SAFE HARBOR IF THREATENING WEATHER APPROACHES.

LISTEN TO NOAA WEATHER RADIO FOR FURTHER UPDATES THROUGHOUT THE EVENING.

LAMBERT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 9:31 PM EDTTornado WarningCLELorain44 min
Jun 28, 10:04 PM EDTSevere Thunderstorm WarningCLEMedina56 min
Jun 28, 10:47 PM EDTSevere Thunderstorm WarningCLELorain43 min
Jun 28, 11:21 PM EDTSevere Thunderstorm WarningCLEMedina54 min
Jun 28, 11:26 PM EDTSevere Thunderstorm WarningCLESummit64 min
Jun 28, 11:27 PM EDTTornado WarningCLEMedina33 min
Jun 28, 11:42 PM EDTTornado WarningCLESummit56 min
Jun 29, 1:53 AM EDTSevere Thunderstorm WarningCLEHolmes, Wayne67 min
Jun 29, 2:28 AM EDTSevere Thunderstorm WarningCLETrumbull62 min
Jun 29, 2:33 AM EDTSevere Thunderstorm WarningCLEAshtabula27 min
Jun 29, 5:17 AM EDTSevere Thunderstorm WarningCLENoble, Washington43 min
Jun 29, 5:17 AM EDTSevere Thunderstorm WarningCLEGuernsey43 min
Jun 29, 5:30 AM EDTSevere Thunderstorm WarningCLEBelmont, Monroe30 min
Jun 29, 4:19 PM EDTSevere Thunderstorm WarningCLECuyahoga56 min
Jun 29, 5:41 PM EDTSevere Thunderstorm WarningCLEWayne64 min
Jun 29, 5:59 PM EDTSevere Thunderstorm WarningCLEColumbiana, Mahoning61 min
Jun 29, 6:08 PM EDTSevere Thunderstorm WarningCLEGeauga, Portage, Summit67 min
Jun 29, 6:08 PM EDTSevere Thunderstorm WarningCLECuyahoga33 min
Jun 29, 6:10 PM EDTSevere Thunderstorm WarningCLEPortage, Summit65 min
Jun 29, 6:18 PM EDTSevere Thunderstorm WarningCLEMedina42 min
Jun 29, 6:46 PM EDTSevere Thunderstorm WarningCLETrumbull59 min
Jun 29, 6:56 PM EDTSevere Thunderstorm WarningCLECarroll, Stark64 min
Jun 29, 7:23 PM EDTSevere Thunderstorm WarningCLECoshocton, Guernsey67 min
Jun 29, 7:35 PM EDTSevere Thunderstorm WarningCLETuscarawas55 min
Jun 29, 7:57 PM EDTSevere Thunderstorm WarningCLECarroll63 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.