Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 65, NWS Cleveland, OH

June 27, 1993McKean County, Warren County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 27, 1993, 9:17 PM EDT for McKean County, Warren County, Pennsylvania. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jun 27, 1993, 9:17 PM EDT (01:17 UTC)
Expired
Jun 27, 1993, 10:15 PM EDT
In force
58 min
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties McKean County, PA, Warren County, PA

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 1.3 hours before the alert went out and 126 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, Buffalo Intl Airport, NY at 00:00Z on 1993-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 691 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, Buffalo Intl Airport, NY at 00:00Z on 1993-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 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
691 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
1210 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
199 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KERI 280121
SVRCLE
PAC083-123-280215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ERIE PA
917 PM EDT SUN JUN 27 1993
 
THE NATIONAL WEATHER SERVICE IN ERIE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 PM EDT
FOR THE FOLLOWING LOCATIONS...
 
IN NORTHWEST PENNSYLVANIA
 
   ...MCKEAN COUNTY...WARREN COUNTY
 
WEATHER RADAR AT 915 PM SHOWED A POSSIBLE SEVERE THUNDERSTORM OVER
NORTHERN WARREN COUNTY...ABOUT 5 MILES NORTH OF THE TOWN OF YOUNGSVILLE.
 
THIS STORM IS MOVING TO THE EAST AT 35 MPH...AND WILL AFFECT THE TOWNS
OF WARREN...CORYDON...BRADFORD AND ELDRED DURING THE NEXT HOUR.
 
 
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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, 8:31 PM EDT, 46 minutes before
OHZALL-280100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
830 PM EDT SUN JUN 27 1993

A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR
MONTGOMERY COUNTY IN SOUTHWEST OHIO.

THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THE NORTHEAST
INLAND AREA...NORTH CENTRAL AND FOR EAST CENTRAL OHIO. THE WATCH REMAINS
IN EFFECT FOR PARTS OF THE MIAMI VALLEY AND CENTRAL OHIO UNTIL 10 PM.

SOME CITIES IN THE WATCH AREA ARE COLUMBUS AND DAYTON.

AT 830 PM...RADAR SHOWED A LARGE AREA OF THUNDERSTORMS FROM JUST
SOUTHEAST OF MANSFIELD...SOUTHWEST THROUGH COLUMBUS INTO GREENE COUNTY
TO THE SOUTHEAST OF DAYTON. THE STORMS WERE MOVING SOUTHEAST AROUND 40
MPH.

THE STORMS HAVE WEAKENED SINCE 730 PM...BUT WILL CONTINUE TO PRODUCE
HEAVY RAIN AND GUSTY WINDS OVER CENTRAL AND SOUTH CENTRAL OHIO THROUGH
10 PM.

IF THREATENING WEATHER APPROACHES...YOU SHOULD SEEK SHELTER IN A
SUBSTANTIAL BUILDING. LISTEN TO NOAA WEATHER RADAR FOR UPDATES AND
POSSIBLE WARNINGS.

GABRIC
Local storm report, Jun 27, 8:38 PM EDT, 39 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CLEVELAND OH
840 PM EDT SUN JUN 27 1993

REPORTS FROM SUNDAY EVENING JUNE 27TH

TIME          DAMAGE              LOCATION           SOURCE

554 PM        DIME SIZED HAIL     BERLIN HEIGHTS      HAM RADIO
558 PM        DIME SIZE HAIL      RTE 18 HURON COUNTY HAM RADIO

605 PM        DIME SIZE HAIL      WEST RIDGE ROAD    HAM RADIO
                                  LORAIN COUNTY

605 PM        58 MPH WINDS        ELYRIA EOC/911     EOC/HAM RADIO
                                  LORAIN COUNTY

606 PM        GOLFBALL SIZE HAIL   RTE 57/GOLF ROAD   ELYRIA EOC

613  PM     DIME AND MARBLE SIZE HAIL/CITY OF LORAIN  HAM RADIO
                                  LORAIN COUNTY

613 PM       DIME SIZE HAIL       LAKEWOOD                       HAMS
                                  CUYAHOGA COUNTY

621 PM       3/4 INCH HAIL        CLEVELAND-HOPKINS ARPT       CLESAO
                                  CUYAHOGA COUNTY

625 PM       MARBLE SIZE HAIL     RTE 10/1 MILE SOUTH OF INDIAN    HAMS
                                  HOWL RD  LORAIN COUNTY

625 PM      MARBLE SIZE HAIL      RTE 82/RTE 57                  HAMS
                                  LORAIN COUNTY

625 PM  TREE DOWN (16-18 INCH DIA)  WEST RIDGE RD/RUSSIA RD       HAMS
                                  LORAIN COUNTY

645 PM   3/4 INCH HAIL            BRUNSWICK                      DMIC
                                  MEDINA

END/COMEAUX/GABRIC
Local storm report, Jun 27, 8:39 PM EDT, 38 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CLEVELAND OH
840 PM EDT SUN JUN 27 1993

REPORTS FROM SUNDAY EVENING JUNE 27TH

TIME          DAMAGE              LOCATION           SOURCE

554 PM        DIME SIZED HAIL     BERLIN HEIGHTS/ERIE CTY HAM RADIO
558 PM        DIME SIZE HAIL      RTE 18 HURON COUNTY HAM RADIO

605 PM        DIME SIZE HAIL      WEST RIDGE ROAD    HAM RADIO
                                  LORAIN COUNTY

605 PM        58 MPH WINDS        ELYRIA EOC/911     EOC/HAM RADIO
                                  LORAIN COUNTY

606 PM        GOLFBALL SIZE HAIL   RTE 57/GOLF ROAD   ELYRIA EOC

613  PM     DIME AND MARBLE SIZE HAIL/CITY OF LORAIN  HAM RADIO
                                  LORAIN COUNTY

613 PM       DIME SIZE HAIL       LAKEWOOD                       HAMS
                                  CUYAHOGA COUNTY

621 PM       3/4 INCH HAIL        CLEVELAND-HOPKINS ARPT       CLESAO
                                  CUYAHOGA COUNTY

625 PM       MARBLE SIZE HAIL     RTE 10/1 MILE SOUTH OF INDIAN    HAMS
                                  HOWL RD  LORAIN COUNTY

625 PM      MARBLE SIZE HAIL      RTE 82/RTE 57                  HAMS
                                  LORAIN COUNTY

625 PM  TREE DOWN (16-18 INCH DIA)  WEST RIDGE RD/RUSSIA RD       HAMS
                                  LORAIN COUNTY

645 PM   3/4 INCH HAIL            BRUNSWICK                      DMIC
                         "         MEDINA

END/COMEAUX/GABRIC
Local storm report, Jun 27, 8:40 PM EDT, 37 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CLEVELAND OH
840 PM EDT SUN JUN 27 1993

REPORTS FROM SUNDAY EVENING JUNE 27TH

TIME          DAMAGE              LOCATION           SOURCE

554 PM        DIME SIZED HAIL     BERLIN HEIGHTS/ERIE CTY HAM RADIO
558 PM        DIME SIZE HAIL      RTE 18 HURON COUNTY HAM RADIO

605 PM        DIME SIZE HAIL      WEST RIDGE ROAD    HAM RADIO
                                  LORAIN COUNTY

605 PM        58 MPH WINDS        ELYRIA EOC/911     EOC/HAM RADIO
                                  LORAIN COUNTY

606 PM        GOLFBALL SIZE HAIL   RTE 57/GOLF ROAD   ELYRIA EOC

613  PM     DIME AND MARBLE SIZE HAIL/CITY OF LORAIN  HAM RADIO
                                  LORAIN COUNTY

613 PM       DIME SIZE HAIL       LAKEWOOD                       HAMS
                                  CUYAHOGA COUNTY

621 PM       3/4 INCH HAIL        CLEVELAND-HOPKINS ARPT       CLESAO
                                  CUYAHOGA COUNTY

625 PM       MARBLE SIZE HAIL     RTE 10/1 MILE SOUTH OF INDIAN    HAMS
                                  HOWL RD  LORAIN COUNTY

625 PM      MARBLE SIZE HAIL      RTE 82/RTE 57                  HAMS
                                  LORAIN COUNTY

625 PM  TREE DOWN (16-18 INCH DIA)  WEST RIDGE RD/RUSSIA RD       HAMS
                                  LORAIN COUNTY

645 PM   3/4 INCH HAIL            BRUNSWICK                      DMIC
                                  MEDINA

END/COMEAUX/GABRIC
Special weather statement, Jun 27, 9:16 PM EDT, 1 minute before
OHZALL-280300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
916 PM EDT SUN JUN 27 1993

THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT FOR PARTS OF CENTRAL
AND SOUTHWEST OHIO HAS BEEN CANCELLED. HENCE...ALL WATCHES HAVE BEEN
CANCELLED IN OHIO.

AN AREA OF SHOWERS AND THUNDERSTORMS REMAINED OVER CENTRAL AND SOUTHWEST
OHIO. SOME LOCALLY HEAVY RAIN AND GUSTY WINDS ARE POSSIBLE AS THESE
STORMS MOVE SOUTH INTO SOUTHERN OHIO BY MIDNIGHT.

GABRIC
Special weather statement, Jun 27, 9:17 PM EDT, 0 minutes before
OHZALL-280300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
916 PM EDT SUN JUN 27 1993

THE SEVERE THUNDERSTORM WATCH THAT WAS IN EFFECT FOR PARTS OF CENTRAL
AND SOUTHWEST OHIO HAS BEEN CANCELLED. HENCE...ALL WATCHES HAVE BEEN
CANCELLED IN OHIO.

AN AREA OF SHOWERS AND THUNDERSTORMS REMAINED OVER CENTRAL AND SOUTHWEST
OHIO. SOME LOCALLY HEAVY RAIN AND GUSTY WINDS ARE POSSIBLE AS THESE
STORMS MOVE SOUTH INTO SOUTHERN OHIO BY MIDNIGHT.

GABRIC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 8:12 PM EDTSevere Thunderstorm WarningCLEErie48 min
Jun 27, 8:28 PM EDTSevere Thunderstorm WarningCLECrawford, Venango62 min
Jun 27, 8:32 PM EDTSevere Thunderstorm WarningCLEMercer43 min
Jun 27, 8:48 PM EDTTornado WarningCLEMercer42 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1993Every severe thunderstorm warning in 1993

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.