Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 36, NWS Cleveland, OH

June 8, 1993Lawrence County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 8, 1993, 8:24 PM EDT for Lawrence County, Pennsylvania. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Jun 8, 1993, 8:24 PM EDT (00:24 UTC)
Expired
Jun 8, 1993, 9:15 PM EDT
In force
51 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Lawrence County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 0.4 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 00:00Z on 1993-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1633 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 1993-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 140 square meters per square second.193958Sfc1 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
1633 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1021 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
140 m²/s²
0-3 km storm-relative helicity
199 m²/s²
Significant tornado parameter
1.5
Supercell composite
4.4

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 8, 4:48 PM EDT, 3 hours 36 minutes before
OHZALL-082230-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE CLEVELAND OH
448 PM EDT TUE JUN 8 1993

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF THE NORTHERN
TWO-THIRDS OF OHIO UNTIL 10 PM EDT....EXCEPT FOR PARTS OF THE
CENTRAL LAKESHORE AND ALL OF THE EAST LAKESHORE COUNTIES.

SOME CITIES IN THE WATCH AREA INCLUDE COLUMBUS...LIMA...DAYTON...
SANDUSKY...FINDLAY...TOLEDO...AKRON...CANTON...STEUBENVILLE...
YOUNGSTOWN...MANSFIELD...AND MARIETTA.

AT 435 PM...RADAR SHOWED SCATTERED STRONG THUNDERSTORMS OVER
EAST CENTRAL OHIO TO THE SOUTHEAST OF CANTON. A SEVERE THUNDERSTORM
WARNING REMAINS IN EFFECT FOR HARRISON AND JEFFERSON COUNTIES UNTIL
5 PM.

AN ISOLATED STRONG THUNDERSTORM HAD DEVELPED OVER NORTH CENTRAL OHIO
TO THE NORTH OF MANSFIELD. THESE STORMS WERE MOVING EAST AROUND 40 MPH.
>
A LARGE COMPLEX OF SEVERE THUNDERSTORMS DEVELOPED OVER NORTHEAST
INDIANA AROUND 3 PM WHICH HAS NOW MOVED INTO NORTHWEST OHIO.
SEVERE THUNDERSTORM WARNINGS WERE IN EFFECT FOR PAULDING AND PUTMAN
COUNTIES UNTIL 500 AND 515 PM RESPECTIVELY. THIS COMPLEX OF SEVERE
STORMS WAS MOVING NORTHEAST AROUND 45 MPH.

THE POTENTIAL FOR SEVERE WEATHER WILL EXIST THROUGHOUT THE LATE
AFTERNOON AND EVENING HOURS IN AND CLOSE TO THE WATCH AREA. LISTEN
TO NOAA WEATHER RADIO FOR UPDATES AND POSSIBLE WARNINGS.

GABRIC

CORRECTED TO ADD A WORD IN LAST PARAGRAPH
Special weather statement, Jun 8, 6:39 PM EDT, 1 hour 45 minutes before
OHZ004-090200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
640 PM EDT TUE JUN 8 1993

STRONG THUNDERSTORMS CONTINUED MOVING ACROSS NORTHEAST OHIO
THIS EVENING.

AT 635 PM WEATHER SERVICE RADAR INDICATED AN AREA OF STRONG
THUNDERSTORMS ALONG THE WESTERN BORDER OF TRUMBULL AND MAHONING
COUNTIES. THESE THUNDERSTORMS WERE MOVING EAST AT 35 MPH AND WILL
MOVE INTO THE YOUNGSTOWN...WARREN AND NILES AREAS BY 645 PM.

THE THUNDERSTORMS MAY CONTAIN BRIEF HEAVY RAIN AND WIND GUSTS TO
AROUND 45 MPH. FREQUENT LIGHTNING AND POSSIBLE SMALL HAIL MAY ALSO
BE EXPECTED WITH THESE STORMS. PERSONS SHOULD SEEK SHELTER INDOORS
IF A STORM APPROACHES. LISTEN TO NOAA WEATHER RADIO OR LOCAL MEDIA
FOR FURTHER UPDATES.

APFEL
Special weather statement, Jun 8, 6:40 PM EDT, 1 hour 44 minutes before
OHZ004-090200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
640 PM EDT TUE JUN 8 1993

STRONG THUNDERSTORMS CONTINUED MOVING ACROSS NORTHEAST OHIO
THIS EVENING.

AT 635 PM WEATHER SERVICE RADAR INDICATED AN AREA OF STRONG
THUNDERSTORMS ALONG THE WESTERN BORDER OF TRUMBULL AND MAHONING
COUNTIES. THESE THUNDERSTORMS WERE MOVING EAST AT 35 MPH AND WILL
MOVE INTO THE YOUNGSTOWN...WARREN AND NILES AREAS BY 645 PM.

THE THUNDERSTORMS MAY CONTAIN BRIEF HEAVY RAIN AND WIND GUSTS TO
AROUND 45 MPH. FREQUENT LIGHTNING AND POSSIBLE SMALL HAIL MAY ALSO
BE EXPECTED WITH THESE STORMS. PERSONS SHOULD SEEK SHELTER INDOORS
IF A STORM APPROACHES. LISTEN TO NOAA WEATHER RADIO OR LOCAL MEDIA
FOR FURTHER UPDATES.

APFEL
Local storm report, Jun 8, 7:50 PM EDT, 34 minutes before
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Local storm report, Jun 8, 7:50 PM EDT, 34 minutes before
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Special weather statement, Jun 8, 8:20 PM EDT, 4 minutes before
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  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 6:05 AM EDTSevere Thunderstorm WarningCLEPutnam40 min
Jun 9, 6:32 AM EDTSevere Thunderstorm WarningCLEHancock, Wood43 min
Jun 9, 6:58 AM EDTSevere Thunderstorm WarningCLEErie, Huron62 min
Jun 9, 7:24 AM EDTSevere Thunderstorm WarningCLELorain66 min
Jun 9, 7:37 AM EDTSevere Thunderstorm WarningCLECuyahoga68 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.