Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 108, NWS Cleveland, OH

July 28, 1993Crawford County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 28, 1993, 5:53 PM EDT for Crawford County, Pennsylvania. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Jul 28, 1993, 5:53 PM EDT (21:53 UTC)
Expired
Jul 28, 1993, 7:00 PM EDT
In force
67 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Crawford County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 9.9 hours before the alert went out and 142 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 1993-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 65 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 12:00Z on 1993-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
65 J/kg
Mixed-layer CIN
-154 J/kg
Mixed-layer LCL
1414 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
96 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, Jul 28, 5:01 PM EDT, 52 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Special weather statement, Jul 28, 5:01 PM EDT, 52 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>
Special weather statement, Jul 28, 5:24 PM EDT, 29 minutes before
OHZ001-002-011-282200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
524 PM EDT WED JUL 28 1993

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTHWEST AND
NORTH CENTRAL OHIO UNTIL 10 PM EDT.

AT 520 PM EDT WEATHER SERVICE RADAR INDICATED A LINE OF SCATTERED
THUNDERSTORMS WHICH EXTENDED FROM 15 MILES EAST OF TOLEDO SOUTHWEST TO
10 MILES WEST OF OTTAWA IN PUTNAM COUNTY. THE LINE EXTENDED ROUGHLY
ALONG THE MAUMEE RIVER.

THE LINE WAS MOVING EAST AT 30 MPH AND WILL CONTINUE THROUGH NORTHWEST
OHIO AND MOVE INTO NORTH CENTRAL OHIO. BY 630 PM EDT THE LINE WILL
EXTEND FROM JUST WEST OF PORT CLINTON IN OTTAWA COUNTY TO JUST WEST OF
FINDLAY IN HANCOCK COUNTY.

THESE STORMS HAVE A HISTORY OF DEVELOPING RAPIDLY. IF THREATENING
WEATHER APPROACHES SEEK SHELTER IN A STRONG BUILDING AND AWAY FROM
WINDOWS. LISTEN FOR LATER STATEMENTS ON THIS WEATHER SITUATION.

DIEFENDERFER
Special weather statement, Jul 28, 5:25 PM EDT, 28 minutes before
OHZ001-002-011-282200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOLEDO OH
524 PM EDT WED JUL 28 1993

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTHWEST AND
NORTH CENTRAL OHIO UNTIL 10 PM EDT.

AT 520 PM EDT WEATHER SERVICE RADAR INDICATED A LINE OF SCATTERED
THUNDERSTORMS WHICH EXTENDED FROM 15 MILES EAST OF TOLEDO SOUTHWEST TO
10 MILES WEST OF OTTAWA IN PUTNAM COUNTY. THE LINE EXTENDED ROUGHLY
ALONG THE MAUMEE RIVER.

THE LINE WAS MOVING EAST AT 30 MPH AND WILL CONTINUE THROUGH NORTHWEST
OHIO AND MOVE INTO NORTH CENTRAL OHIO. BY 630 PM EDT THE LINE WILL
EXTEND FROM JUST WEST OF PORT CLINTON IN OTTAWA COUNTY TO JUST WEST OF
FINDLAY IN HANCOCK COUNTY.

THESE STORMS RHAVE A HISTORY OF DEVELOPING RAPIDLY. IF THREATENING
WEATHER APPROACHES SEEK SHELTER IN A STRONG BUILDING AND AWAY FROM
WINDOWS. LISTEN FOR LATER STATEMENTS ON THIS WEATHER SITUATION.

DIEFENDERFER
Special weather statement, Jul 28, 5:33 PM EDT, 20 minutes before
OHZ001-002-011-282300-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE TOLEDO OH
533 PM EDT WED JUL 28 1993

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTHWEST AND
NORTH CENTRAL OHIO UNTIL 10 PM EDT.

AT 520 PM EDT WEATHER SERVICE RADAR INDICATED A LINE OF SCATTERED
THUNDERSTORMS WHICH EXTENDED FROM 15 MILES EAST OF TOLEDO SOUTHWEST TO
10 MILES WEST OF OTTAWA IN PUTNAM COUNTY. THE LINE EXTENDED ROUGHLY
ALONG THE MAUMEE RIVER.

THE LINE WAS MOVING EAST AT 30 MPH AND WILL CONTINUE THROUGH NORTHWEST
OHIO AND MOVE INTO NORTH CENTRAL OHIO. BY 630 PM EDT THE LINE WILL
EXTEND FROM JUST WEST OF PORT CLINTON IN OTTAWA COUNTY TO JUST WEST OF
FINDLAY IN HANCOCK COUNTY.

THESE STORMS HAVE A HISTORY OF DEVELOPING RAPIDLY. IF THREATENING
WEATHER APPROACHES SEEK SHELTER IN A STRONG BUILDING AND AWAY FROM
WINDOWS. LISTEN FOR LATER STATEMENTS ON THIS WEATHER SITUATION.

DIEFENDERFER
CORRECTED EXPIRATION TIME
Special weather statement, Jul 28, 5:34 PM EDT, 19 minutes before
OHZ001-002-011-282300-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE TOLEDO OH
533 PM EDT WED JUL 28 1993

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF NORTHWEST AND
NORTH CENTRAL OHIO UNTIL 10 PM EDT.

AT 520 PM EDT WEATHER SERVICE RADAR INDICATED A LINE OF SCATTERED
THUNDERSTORMS WHICH EXTENDED FROM 15 MILES EAST OF TOLEDO SOUTHWEST TO
10 MILES WEST OF OTTAWA IN PUTNAM COUNTY. THE LINE EXTENDED ROUGHLY
ALONG THE MAUMEE RIVER.

THE LINE WAS MOVING EAST AT 30 MPH AND WILL CONTINUE THROUGH NORTHWEST
OHIO AND MOVE INTO NORTH CENTRAL OHIO. BY 630 PM EDT THE LINE WILL
EXTEND FROM JUST WEST OF PORT CLINTON IN OTTAWA COUNTY TO JUST WEST OF
FINDLAY IN HANCOCK COUNTY.~

THESE STORMS HAVE A HISTORY OF DEVELOPING RAPIDLY. IF THREATENING
WEATHER APPROACHES SEEK SHELTER IN A STRONG BUILDING AND AWAY FROM
WINDOWS. LISTEN FOR LATER STATEMENTS ON THIS WEATHER SITUATION.

DIEFENDERFER
CORRECTED EXPIRATION TIME

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 3:45 PM EDTSevere Thunderstorm WarningCLELucas45 min
Jul 28, 4:27 PM EDTSevere Thunderstorm WarningCLEOttawa48 min
Jul 28, 4:36 PM EDTSevere Thunderstorm WarningCLEColumbiana54 min
Jul 28, 5:41 PM EDTSevere Thunderstorm WarningCLEErie49 min
Jul 28, 6:19 PM EDTSevere Thunderstorm WarningCLECuyahoga, Lorain56 min
Jul 28, 6:23 PM EDTSevere Thunderstorm WarningCLEWyandot52 min
Jul 28, 6:36 PM EDTSevere Thunderstorm WarningCLELake69 min
Jul 28, 6:49 PM EDTSevere Thunderstorm WarningCLEMedina56 min
Jul 28, 7:02 PM EDTSevere Thunderstorm WarningCLEGeauga58 min
Jul 28, 7:17 PM EDTSevere Thunderstorm WarningCLEAshtabula58 min
Jul 28, 7:18 PM EDTSevere Thunderstorm WarningCLEPortage, Summit57 min
Jul 28, 7:37 PM EDTSevere Thunderstorm WarningCLEMahoning, Trumbull53 min
Jul 28, 7:40 PM EDTTornado WarningCLEAshtabula30 min
Jul 28, 4:22 PM EDTSevere Thunderstorm WarningCLELawrence53 min
Jul 28, 4:40 PM EDTSevere Thunderstorm WarningCLECrawford, Venango, Warren65 min
Jul 28, 5:43 PM EDTSevere Thunderstorm WarningCLEElk, Forest62 min
Jul 28, 7:52 PM EDTSevere Thunderstorm WarningCLECrawford53 min
Jul 28, 7:56 PM EDTSevere Thunderstorm WarningCLEMercer49 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.