Alert archive / Ohio / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 50, NWS Cleveland, OH

June 30, 1990Washington County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 30, 1990, 7:33 PM EDT for Washington County, Ohio. It was in force for 57 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 30, 1990, 7:33 PM EDT (23:33 UTC)
Expired
Jun 30, 1990, 8:30 PM EDT
In force
57 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Washington County, OH

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jun 30, 7:50 PM EDTThunderstorm Wind 0Washington, OH

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Huntington/Tri S, WV (KHTS), launched 12:00Z, 11.6 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 1990-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 969 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 1990-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 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
969 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
1114 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
0.6
Supercell composite
2.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCAK 302333
SVRCAK
OHC167-010030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AKRON OH
733 PM EDT SAT JUN 30 1990
 
THE NATIONAL WEATHER SERVICE IN AKRON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTHEAST OHIO
          ...WASHINGTON
 
RADAR INDICATES A POSSIBLE SEVERE THUNDERSTORM OVER NORTHERN
WASHINGTON COUNTY MOVING SOUTHEAST EAT 40 MPH.
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROyM WINDOWS.
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 30, 6:01 PM EDT, 1 hour 32 minutes before
OHZ004-007-302300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
600 PM EDT SAT JUN 30 1990

A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10 PM EDT.

A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR SUMMIT AND STARK
COUNTIES UNTIL 615PM EDT.
AT 550 PM EDT RADAR INDICATED
VERY STRONG THUNDERSTORMS MOVING THROUGH SUMMIT AND STARK
COUNTIES AND HEAVY RAIN WAS REPORTED IN THEM. 1/2 INCH HAIL WAS
ALSO REPORTED AROUND DALTON...NORTH L	AWRENCE AND NEWMAN IN STARK COUNTY.

AN ISOLATED THUNDERSTORM IN WASHINGTON COUNTY PRODUCED 1/2 INCH
HAIL AT BEVERLY.

DEGAN
Special weather statement, Jun 30, 6:32 PM EDT, 1 hour 1 minute before
PAZ001-002-302330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
630 PM EDT SAT JUN 30 1990

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL NORTHWEST PENNSYLVANIA...
...UNTIL 10 PM EDT...
...STRONG THUNDERSTORMS IN NORTHWEST PENNSYLVANIA...

AT 630 PM WEATHER RADAR SHOWED A STRONG THUNDERSTORM ALONG THE OHIO...
PENNSYLVANIA BORDER WEST OF ALBION. THIS STORM WAS MOVING SOUTHEAST AT 25
MILES AN HOUR AND WILL BE EFFECTING THE SOUTHWEST CORNER OF ERIE COUNTY BEFORE
MOVING INTO CRAWFORD COUNTY AROUND 700 PM.

OTHER THUNDERSTORMS WERE ALONG THE ALLEGHENY RIVER NORTH OF TIONESTA.

THESE THUNDERSTORMS WILL CAUSE HEAVY DOWNPOURS...STRONG GUSTY WINDS...
DANGEROUS LIGHTNING AND HAIL.

PARRISH/WELLS
Special weather statement, Jun 30, 6:38 PM EDT, 55 minutes before
OHZ006-011-302330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MANSFIELD OH
638 PM EDT SAT JUN 30 1990

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL...

AT  635 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED A SMALL AREA
OF THUNDERSTORMS OVER NORTHEAST MORROW COUNTY. THEY WERE MOVING
SOUTHEAST AT 30 MPH.

THIS AREA OF THUNDERSTORMS IS CAPABLE OF PRODUCING HEAVY DOWNPOURS..
POSSIBLY SOME HAIL AND STRONG GUSTY S4URFACE WINDS.

THE THUNDERSTORMS WILL MOVE INTO NORTHERN KNOX COUNTY BY 645PM EDT.

IF THREATENING WEATHER APPROACHES BE PREPARED TO SEEK SHELTER.

BANYAS
Special weather statement, Jun 30, 6:39 PM EDT, 54 minutes before
OHZ006-011-302330-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE MANSFIELD OH
638 PM EDT SAT JUN 30 1990

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM EDT...

AT  635 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED A SMALL AREA
OF THUNDERSTORMS OVER NORTHEAST MORROW COUNTY. THEY WERE MOVING
SOUTHEAST AT 30 MPH.

THIS AREA OF THUNDERSTORMS IS CAPABLE OF PRODUCING HEAVY DOWNPOURS..
POSSIBLY SOME HAIL AND STRONG GU5STY SURFACE WINDS.

THE THUNDERSTORMS WILL MOVE INTO NORTHERN KNOX COUNTY BY 645PM EDT.

IF THREATENING WEATHER APPROACHES BE PREPARED TO SEEK SHELTER.

BANYAS
Special weather statement, Jun 30, 7:00 PM EDT, 33 minutes before
PAZ001-002-003-010000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
755 PM EDT SAT JUN 30 1990

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL NORTHWEST PENNSYLVANIA...
...UNTIL 10 PM EDT...
...STRONG THUNDERSTORMS IN NORTHWEST PENNSYLVANIA...

AT 750 PM WEATHER RADAR SHOWED A LINE OF SHOWERS AND THUNDERSTORMS IN
NORTHWEST PENNSYLVANIA...THIS LINE WAS 20 MILES WIDE AND EXTENDED FROM THE
LINESVILLE AREA IN CRAWFORD COUNTY EASTWARD TO TIONESTA ALONG THE ALLEGENY
RIVER THEN CONTINUED EASTWARD TO RIDGWAY IN ELK COUNTY.

OTHER THUNDERSTORMS WERE OVER CENTRAL LAKE ERIE NORTH OF THE PENNSYLVANIA
LAKESHORE.

THESE STORMS WERE MOVING TOWARDS THE SOUTHEAST AT 30 MILES AN HOUR.

THESE THUNDERSTORMS WILL CAUSE HEAVY DOWNPOURS...STRONG GUSTY WINDS...
DANGEROUS LIGHTNING AND HAIL.

SMALL BOATERS ON LAKE ERIE AND PRESQUE ISLE BAY SHOULD BE PREPARED TO MOVE
TO SAFE HARBOR IF THREATENING WEATHER APPROACHES.

PARRISH/WELLS
Special weather statement, Jun 30, 7:03 PM EDT, 30 minutes before
PAZ001-002-003-010000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
655 PM EDT SAT JUN 30 1990

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL NORTHWEST PENNSYLVANIA...
...UNTIL 10 PM EDT...
...STRONG THUNDERSTORMS IN NORTHWEST PENNSYLVANIA...

AT 650 PM WEATHER RADAR SHOWED A LINE OF SHOWERS AND THUNDERSTORMS IN
NORTHWEST PENNSYLVANIA...THIS LINE WAS 20 MILES WIDE AND EXTENDED FROM THE
LINESVILLE AREA IN CRAWFORD COUNTY EASTWARD TO TIONESTA ALONG THE ALLEGENY
RIVER THEN CONTINUED EASTWARD TO RIDGWAY IN ELK COUNTY.

OTHER THUNDERSTORMS WERE OVER CENTRAL LAKE ERIE NORTH OF THE PENNSYLVANIA
LAKESHORE.
THESE STORMS WERE MOVING TOWARDS THE SOUTHEAST AT 30 MILES AN HOUR.

THESE THUNDERSTORMS WILL CAUSE HEAVY DOWNPOURS...STRONG GUSTY WINDS...
DANGEROUS LIGHTNING AND HAIL.

SMALL BOATERS ON LAKE ERIE AND PRESQUE ISLE BAY SHOULD BE PREPARED TO MOVE
TO SAFE HARBOR IF THREATENING WEATHER APPROACHES.

PARRISH/WELLS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 4:14 PM EDTSevere Thunderstorm WarningCLELorain61 min
Jun 30, 4:36 PM EDTSevere Thunderstorm WarningCLEMedina69 min
Jun 30, 5:12 PM EDTSevere Thunderstorm WarningCLEStark, Summit63 min
Jun 30, 5:52 PM EDTSevere Thunderstorm WarningCLEAshtabula53 min
Jun 30, 6:52 PM EDTSevere Thunderstorm WarningCLETuscarawas68 min
Jun 30, 7:30 PM EDTSevere Thunderstorm WarningCLETrumbull80 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1990Every severe thunderstorm warning in 1990

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.