Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 36, NWS Cleveland, OH

June 27, 1989Lawrence County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 27, 1989, 1:56 PM EDT for Lawrence County, Pennsylvania. It was in force for 49 min.

The area

The counties it named.

The facts

Issued
Jun 27, 1989, 1:56 PM EDT (17:56 UTC)
Expired
Jun 27, 1989, 2:45 PM EDT
In force
49 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Lawrence County, PA

The radar

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

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 5.9 hours before the alert went out and 68 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 1989-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1989-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 27, 12:48 PM EDT, 1 hour 8 minutes before
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Special weather statement, Jun 27, 1:11 PM EDT, 45 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
110 PM EDT TUE JUN 27 1989

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF OHIO.

A SEVERE THUNDERSTORMS WATCH IS IN EFFECT FOR THE PORTIONS OF OHIO EAST
OF A LINE FROM ABOUT SANDUSKY TO CINCINNATI UNTIL 9 PM. AT 1 PM WEATHER
SERVICE RADAR SHOWED THUNDERSTORMS RAPIDLY DEVELOPING OVER OHIO.
THUNDERSTORMS WILL CONTINUE TO INCREASE IN NUMBER AS THE AFTERNOON GOES
ON... AND SOME OF THEM COULD BRING VERY STRONG WINDS OR LARGE HAIL.

CONSIDERING THE PROSPECT FOR SEVERE WEATHER DURING THE AFTERNOON...
OHIOANS SHOULD PAY EXTRA ATTENTION TO LATEST FORECASTS AND STATEMENTS
FROM THE WEATHER SERVICE... AND BE PREPARED TO MOVE TO SHELTER IF
CONDITIONS BECOME THREATENING.

KWIATKOWSKI
Special weather statement, Jun 27, 1:19 PM EDT, 37 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MANSFIELD OH
115 PM EDT TUE JUN 27 1989

AT 110 PM EDT WEATHER SERVICE RADAR SHOWED THUNDERSTORMS DEVELOPING
RAPIDLY OVER NORTHERN OHIO. ONE AREA OF THUNDERSTORMS EXTENDED FROM
CLEVELAND... ACROSS MANSFIELD TO MARION OHIO. ANOTHER SOLID LINE
OF HEAVY THUNDERSTORMS EXTENDED FROM SANDUSKY TO SOUTH OF FINDLAY
OHIO. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MPH.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING DAMAGING WINDS...LARGE
HAIL AND HEAVY DOWNPOURS AS THEY MOVE OVERHEAD.

IF THREATENING WEATHER APPROACHES SEEK SHELTER.

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM EDT.

BANYAS
Special weather statement, Jun 27, 1:25 PM EDT, 31 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
125 PM EDT TUE JUNE 27 1989

SHOWERS AND THUNDERSTORMS DEVELOPED RAPIDLY ACROSS OHIO IN THE PAST
HOUR.  THE STORMS WERE MOVING EAST AT 25 MPH.

THERE IS A POTENTIAL OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING
WITH THUNDERSTORMS CONTAINING HEAVY RAIN... DAMAGING WINDS AND HAIL.
PEOPLE IN EASTERN OHIO AND WESTERN PENNSYLVANIA SHOULD KEEP A CLOSE
WATCH ON THE WEATHER AND BE PREPARED TO TAKE COVER SHOULD THREATENING
WEATHER DEVELOP.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM EDT FOR TRUMBULL...
MAHONING AND COLUMBIANA COUNTIES IN EASTERN OHIO AND LAWRENCE AND MERCER
COUNTIES IN WESTERN PENNSYLVANIA.

DOXEY 

                                                                             [
Special weather statement, Jun 27, 1:45 PM EDT, 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MANSFIELD OH
145 PM EDT TUE JUN 27 1989

AT 140 PM EDT MARBLE SIZE HAIL WAS REPORTED OVER NORTHERN MARION
COUNTY. THE THUNDERSTORM THAT PRODUCED THE HAIL WAS MOVING NORTHEAST
AT 25 MPH AND WILL MOVE ACROSS CRAWFORD COUNTY BEWTEEN 145 PM AND
215 PM EDT.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING DAMAGING WINDS...LARGE
HAIL AND HEAVY DOWNPOUR.S AS THEY MOVE OVERHEAD.

IF THREATENING WEATHER APPROACHES SEEK SHELTER.

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM EDT.

BANYAS
Special weather statement, Jun 27, 1:56 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
155 PM EDT TUE JUN 27 1989

A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR THE SOUTHEAST
TWO-THIRDS OF OHIO UNTIL 9 PM EDT.

THE WATCH INCLUDES ALL OF OHIO EAST OF A SANDUSKY-CINCINNATI LINE. A
SEVERE THUNDERSTORM WARNING IS IN EFFECT UNTIL 230 PM FOR MERCER COUNTY
IN WEST-CENTRAL OHIO.

AT 140 PM EDT RADAR SHOWED WIDESPREAD THUNDERSTORM ACTIVITY ACROSS
NORTHERN OHIO AND MORE SCATTERED ACTIVITY IN THE SOUTHERN PART OF THE
STATE. THE HEAVIEST THUNDERSTORMS WERE JUST SOUTHWEST OF CLEVELAND IN
MEDINA COUNTY... IN WESTERN HURON COUNTY AND IN SOUTHWEST ASHTABULA
COUNTY.

IN SENECA COUNTY BETWEEN 1 PM AND 130 PM THE TOWN OF COOPER RECEIVED
1.40 INCHES OF RAIN IN 25 MINUTES. HALF INCH HAIL WAS REPORTED IN
BURTON ALONG WITH .60 INCHES OF RAIN.

THE THUNDERSTORMS WERE CONTINUING TO MOVE TO THE NORTHEAST AT ABOUT 25
TO 30 MILES PER HOUR. PEOPLE THROUGEHOUT THE EASTERN AREAS OF THE STATE
SHOULD MONITOR WEATHER CONDITIONS CLOSELY THIS AFTERNOON AND EVENING.
FURTHER STATEMENTS AND POSSIBLE WARNINGS WILL BE ISSUED BY THE WEATHER
SERVICE DURING THIS PERIOD.
DEB

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 2:17 PM EDTSevere Thunderstorm WarningCLELorain58 min
Jun 27, 3:31 PM EDTSevere Thunderstorm WarningCLEPortage, Summit59 min
Jun 27, 3:43 PM EDTSevere Thunderstorm WarningCLEMahoning, Trumbull62 min
Jun 27, 4:05 PM EDTSevere Thunderstorm WarningCLEStark55 min
Jun 27, 4:41 PM EDTSevere Thunderstorm WarningCLEColumbiana, Mahoning64 min
Jun 27, 2:28 PM EDTSevere Thunderstorm WarningCLEPotter62 min
Jun 27, 2:39 PM EDTTornado WarningCLEMercer36 min
Jun 27, 2:46 PM EDTSevere Thunderstorm WarningCLECrawford59 min
Jun 27, 3:06 PM EDTSevere Thunderstorm WarningCLEVenango69 min
Jun 27, 3:17 PM EDTTornado WarningCLEMercer28 min
Jun 27, 3:21 PM EDTFlash Flood WarningCLEVenango4 hr
Jun 27, 3:40 PM EDTFlash Flood WarningCLEMercer3 hr

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1989Every severe thunderstorm warning in 1989

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.