Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 152, NWS State College, PA

August 28, 1994Cameron County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Aug 28, 1994, 5:28 PM EDT for Cameron County, Pennsylvania. It was in force for 47 min.

The area

The counties it named.

The facts

Issued: Aug 28, 1994, 5:28 PM EDT (21:28 UTC)
Expired: Aug 28, 1994, 6:15 PM EDT
In force: 47 min
Issued by: NWS State College, PA
Area: Whole counties

County Cameron County, PA

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.5 hours before the alert went out and 171 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 498 J/kg
Mixed-layer CIN: -133 J/kg
Mixed-layer LCL: 915 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 277 m²/s²
0-3 km storm-relative helicity: 322 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.3

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, Aug 28, 2:31 PM EDT, 2 hours 57 minutes before

PAZ004>006-010-011-017-282130-

SPECIAL WEATHER STATEMENT - TORNADO WATCH
NATIONAL WEATHER SERVICE STATE COLLEGE PA
230 PM EDT SUN AUG 28 1994

...A TORNADO WATCH IS IN EFFECT FOR NORTHWEST AND PARTS OF
NORTH CENTRAL PENNSYLVANIA UNTIL 500 PM EDT...

A TORNADO WATCH IS IN EFFECT FOR THE FOLLOWING COUNTIES OF
NORTHWEST AND NORTH CENTRAL PENNSYLVANIA UNTIL 5 PM EDT...

WARREN... MCKEAN... POTTER...

ELK... CAMERON AND CLEARFIELD

AT 225 PM EDT... DOPPLER RADAR SHOWED THUNDERSTORMS FROM ERIE COUNTY
SOUTHWEST INTO NORTHEAST OHIO. THESE THUNDERSTORMS WERE MOVING
EAST-SOUTHEAST AND WILL AFFECT PARTS OF THE WATCH AREA BETWEEN 230 AND
4 PM. THERE WAS ALSO AN ISOLATED SHOWER IN EASTERN WARREN COUNTY NEAR
SHEFFIELD BARNES.

ANY THUNDERSTORM THAT MOVES INTO OR DEVELOPS IN THE WATCH AREA
HAS THE POTENTIAL TO PRODUCE A TORNADO AND/OR DAMAGING WINDS AND LARGE
HAIL.

PERSONS IN AND CLOSE TO THE WATCH AREA SHOULD KEEP ABREAST OF THE
LATEST WEATHER INFORMATION.

REMEMBER...A TORNADO WATCH MEANS THAT TORNADOES ARE POSSIBLE IN
AND NEAR THE WATCH AREA.  LARGE HAIL AND DAMAGING WINDS MAY ALSO
OCCUR.  NOW IS THE TIME TO PREPARE...BE READY TO MOVE TO A SAFE
INDOOR SHELTER IF A WARNING IS ISSUED FOR YOUR AREA OR YOU OBSERVE
THE APPROACH OF THREATENING WEATHER.

NICOSIA

Special weather statement, Aug 28, 3:42 PM EDT, 1 hour 46 minutes before

PAZ004>006-010-011-017-282100-

SPECIAL WEATHER STATEMENT - TORNADO WATCH
NATIONAL WEATHER SERVICE STATE COLLEGE PA
342 PM EDT SUN AUG 28 1994

...A TORNADO WATCH IS IN EFFECT FOR NORTHWEST AND PARTS OF
NORTH CENTRAL PENNSYLVANIA UNTIL 500 PM EDT...

A TORNADO WATCH IS IN EFFECT FOR THE FOLLOWING COUNTIES OF
NORTHWEST AND NORTH CENTRAL PENNSYLVANIA UNTIL 5 PM EDT...

WARREN... MCKEAN... POTTER...

ELK... CAMERON AND CLEARFIELD

AT 335 PM EDT... DOPPLER RADAR SHOWED A LINE OF THUNDERSTORMS FROM
NORTHWEST MCKEAN COUNTY NEAR BRADFORD SOUTHWEST ACROSS NORTHERN AND
WESTERN WARREN COUNTY TO CRAWFORD COUNTY. THE THUNDERSTORMS IN
CRAWFORD COUNTY HAVE A HISTORY OF PRODUCING WIND DAMAGE. THE LINE OF
THUNDERSTORMS WILL MOVE ACROSS THE REMAINDER OF WARREN AND MCKEAN
COUNTIES BETWEEN 4 AND 5 PM. THE THUNDERSTORMS WILL ALSO MOVE INTO
NORTHERN ELK COUNTY BY AROUND 5 PM.

ANY THUNDERSTORM THAT MOVES ACROSS OR DEVELOPS IN THE WATCH AREA
HAS THE POTENTIAL TO PRODUCE A TORNADO AND/OR DAMAGING WINDS AND LARGE
HAIL.

PERSONS IN AND CLOSE TO THE WATCH AREA SHOULD KEEP ABREAST OF THE
LATEST WEATHER INFORMATION.

REMEMBER...A TORNADO WATCH MEANS THAT TORNADOES ARE POSSIBLE IN
AND NEAR THE WATCH AREA.  LARGE HAIL AND DAMAGING WINDS MAY ALSO
OCCUR.  NOW IS THE TIME TO PREPARE...BE READY TO MOVE TO A SAFE
INDOOR SHELTER IF A WARNING IS ISSUED FOR YOUR AREA OR YOU OBSERVE
THE APPROACH OF THREATENING WEATHER.

NICOSIA

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Special weather statement, Aug 28, 3:43 PM EDT, 1 hour 45 minutes before

PAZ004>006-010-011-017-282100-

SPECIAL WEATHER STATEMENT - TORNADO WATCH
NATIONAL WEATHER SERVICE STATE COLLEGE PA
342 PM EDT SUN AUG 28 1994

...A TORNADO WATCH IS IN EFFECT FOR NORTHWEST AND PARTS OF
NORTH CENTRAL PENNSYLVANIA UNTIL 500 PM EDT...

A TORNADO WATCH IS IN EFFECT FOR THE FOLLOWING COUNTIES OF
NORTHWEST AND NORTH CENTRAL PENNSYLVANIA UNTIL 5 PM EDT...

WARREN... MCKEAN... POTTER...

ELK... CAMERON AND CLEARFIELD

AT 335 PM EDT... DOPPLER RADAR SHOWED A LINE OF THUNDERSTORMS FROM
NORTHWEST MCKEAN COUNTY NEAR BRADFORD SOUTHWEST ACROSS NORTHERN AND
WESTERN WARREN COUNTY TO CRAWFORD COUNTY. THE THUNDERSTORMS IN
CRAWFORD COUNTY HAVE A HISTORY OF PRODUCING WIND DAMAGE. THE LINE OF
THUNDERSTORMS WILL MOVE ACROSS THE REMAINDER OF WARREN AND MCKEAN
COUNTIES BETWEEN 4 AND 5 PM. THE THUNDERSTORMS WILL ALSO MOVE INTO
NORTHERN ELK COUNTY BY AROUND 5 PM.

ANY THUNDERSTORM THAT MOVES ACROSS OR DEVELOPS IN THE WATCH AREA
HAS THE POTENTIAL TO PRODUCE A TORNADO AND/OR DAMAGING WINDS AND LARGE
HAIL.

PERSONS IN AND CLOSE TO THE WATCH AREA SHOULD KEEP ABREAST OF THE
LATEST WEATHER INFORMATION.

REMEMBER...A TORNADO WATCH MEANS THAT TORNADOES ARE POSSIBLE IN
AND NEAR THE WAT*CH AREA.  LARGE HAIL AND DAMAGING WINDS MAY ALSO
OCCUR.  NOW IS THE TIME TO PREPARE...BE READY TO MOVE TO A SAFE
INDOOR SHELTER IF A WARNING IS ISSUED FOR YOUR AREA OR YOU OBSERVE
THE APPROACH OF THREATENING WEATHER.

NICOSIA

Special weather statement, Aug 28, 4:46 PM EDT, 42 minutes before

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Special weather statement, Aug 28, 4:47 PM EDT, 41 minutes before

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  <meta name="viewport" content="width=device-width, initial-scale=1">
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<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.
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      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
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Special weather statement, Aug 28, 4:54 PM EDT, 34 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>
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</body>
</html>

The office that day

Everything else NWS State College, PA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 27, 8:07 PM EDT	Severe Thunderstorm Warning	CTP	Perry	68 min
Aug 28, 1:14 PM EDT	Severe Thunderstorm Warning	CTP	Warren	46 min
Aug 28, 4:40 PM EDT	Severe Thunderstorm Warning	CTP	Elk	65 min
Aug 28, 5:00 PM EDT	Tornado Warning	CTP	Elk, McKean	45 min
Aug 28, 7:16 PM EDT	Severe Thunderstorm Warning	CTP	Cambria	59 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1994 Every severe thunderstorm warning in 1994

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.