Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 102, NWS State College, PA

July 13, 1994Bradford County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jul 13, 1994, 4:45 PM EDT for Bradford County, Pennsylvania. It was in force for 45 min.

The area

The counties it named.

The facts

Issued: Jul 13, 1994, 4:45 PM EDT (20:45 UTC)
Expired: Jul 13, 1994, 5:30 PM EDT
In force: 45 min
Issued by: NWS State College, PA
Area: Whole counties

County Bradford County, PA

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.8 hours before the alert went out and 220 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: 249 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 670 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 68 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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

Local storm report, Jul 13, 1:00 PM EDT, 3 hours 45 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILLIAMSPORT PA
100 PM EDT WED JUL 13 1994

THE FOLLOWING EVENTS OCCURRED ON JULY 6, 1994

CITY/TOWN/       COUNTY      TIME     REPORT
VILLAGE                      /EDT

COLLEY           SULLIVAN    1520      DIME SIZE HAIL

COLLEY           SULLIVAN    1525      NUMEROUS TREES DOWN

SUGAR RUN        BRADFORD    1525      3/4 INCH HAIL

WILMONT TWP      BRADFORD    1555      PANTHER LICK ROAD WASHED OUT

CHERRYTOWN       BRADFORD    1609      TREES...POWER LINES DOWN/PEA
                                       SIZE HAIL

ATHENS TWP       BRADFORD    1620      NUMEROUS TREES DOWN THROUGHOUT
                                       THE TOWNSHIP

TIOGA            TIOGA       1629      3/4 INCH HAIL/TREES DOWN

GALETON          TIOGA       1630      SHED ROOFS BLOWN OFF/TREES DOWN

WESTFIELD        TIOGA       1635      TREES DOWN

WELLSBORO        TIOGA       1700      TREES/ POWER LINES DOWN

WESTFIELD        TIOGA       1715      RT 249 CLOSED DUE TO HIGH WATER

MAINSFIELD       TIOGA       1730      NUMEROUS STREETS FLOODED

RENOVO           CLINTON     1735      TREES DOWN

TROUT RUN        LYCOMING    1731      LARGE TREE DOWN

TROUT RUN        LYCOMING    1736      METAL SHED BLOWN ON ELECTRICAL
                                       LINES

WILLIAMSPORT     LYCOMING    1745      WINDOW BLOWN OUT/ROOF DAMAGE
                                       WIRES DOWN

MONTGOMERY       LYCOMING    1752      WIRES DOWN

SOUTH WILLIASMPORT LYCOMING  1752      TREES/WIRES DOWN

MUNCY            LYCOMING    1805      TREES DOWN

PENNSDALE        LYCOMING    1815      TREES/WIRES DOWN

DUSHORE          SULLIVAN    1820      TREES DOWN

BRADFORD COUNTY RECEIVED THE MOST DAMAGE FROM THIS SEVERE WEATHER
EVENT.  A LARGE PART OF THE COUNTY WAS WITHOUT POWER FOR SEVERAL HOURS
THAT NIGHT DUE TO WIND AND LIGHTNING DAMAGE.  FLASH FLOODING MADE 6
ROADS IN WILMOT TOWNSHIP IMPASSABLE FOR MUCH OF THE NIGHT.

GOUGH

Local storm report, Jul 13, 1:00 PM EDT, 3 hours 45 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILLIAMSPORT PA
100 PM EDT WED JUL 13 1994

THE FOLLOWING EVENTS OCCURRED ON JULY 6, 1994

CITY/TOWN/       COUNTY      TIME     REPORT
VILLAGE                      /EDT

COLLEY           SULLIVAN    1520      DIME SIZE HAIL

COLLEY           SULLIVAN    1525      NUMEROUS TREES DOWN

SUGAR RUN        BRADFORD    1525      3/4 INCH HAIL

WILMONT TWP      BRADFORD    1555      PANTHER LICK ROAD WASHED OUT

CHERRYTOWN       BRADFORD    1609      TREES...POWER LINES DOWN/PEA
                                       SIZE HAIL

ATHENS TWP       BRADFORD    1620      NUMEROUS TREES DOWN THROUGHOUT
                                       THE TOWNSHIP

TIOGA            TIOGA       1629      3/4 INCH HAIL/TREES DOWN

GALETON          TIOGA       1630      SHED ROOFS BLOWN OFF/TREES DOWN

WESTFIELD        TIOGA       1635      TREES DOWN

WELLSBORO        TIOGA       1700      TREES/ POWER LINES DOWN

WESTFIELD        TIOGA       1715      RT 249 CLOSED DUE TO HIGH WATER

MAINSFIELD       TIOGA       1730      NUMEROUS STREETS FLOODED

RENOVO           CLINTON     1735      TREES DOWN

TROUT RUN        LYCOMING    1731      LARGE TREE DOWN

TROUT RUN        LYCOMING    1736      METAL SHED BLOWN ON ELECTRICAL
                                       LINES

WILLIAMSPORT     LYCOMING    1745      WINDOW BLOWN OUT/ROOF DAMAGE
                                       WIRES DOWN

MONTGOMERY       LYCOMING    1752      WIRES DOWN

SOUTH WILLIASMPORT LYCOMING  1752      TREES/WIRES DOWN

MUNCY            LYCOMING    1805      TREES DOWN

PENNSDALE        LYCOMING    1815      TREES/WIRES DOWN

DUSHORE          SULLIVAN    1820      TREES DOWN

BRADFORD COUNTY RECEIVED THE MOST DAMAGE FROM THIS SEVERE WEATHER
EVENT.  A LARGE PART OF THE COUNTY WAS WITHOUT POWER FOR SEVERAL HOURS
THAT NIGHT DUE TO WIND AND LIGHTNING DAMAGE.  FLASH FLOODING MADE 6
ROADS IN WILMOT TOWNSHIP IMPASSABLE FOR MUCH OF THE NIGHT.

GOUGH

Special weather statement, Jul 13, 2:00 PM EDT, 2 hours 45 minutes before

PAZ012-037-038-041-042-045-046-049>052-131900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLIAMSPORT PA
200 PM EDT WED JUL 13 199

...THUNDERSTORMS DEVELOPING RAPIDLY OVER NORTHERN PENNSYLVANIA...

AT 155 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A RAPIDLY
DEVELOPING LINE OF THUNDERSTORMS THAT EXTENDED FROM ELKLAND IN TIOGA
COUNTY TO JUST SOUTHWEST OF GALETON IN POTTER COUNTY. A THUNDERSTORM
WITH VERY HEAVY RAIN WAS IN THIS LINE JUST TO THE SOUTHWEST OF
ELKLAND.   THE THUNDERSTORMS WERE MOVING TO THE EAST AT 25 MPH.  THE
THUNDERSTORMS WILL CONTINUE TO MOVE THROUGH TIOGA COUNTY THROUGH 245
PM EDT. OTHER THUNDERSTORMS COULD DEVLOPE OVER BRADFORD COUNTY BETWEEN
2 AND 3 PM EDT.

ANY OF THE THUNDERSTORMS COULD CONTAIN STRONG GUSTY WINDS...HAIL AND
VERY HEAVY DOWNPOURS. FREQUENT DANGEROUS LIGHTNING IS ALSO POSSIBLE
WITH THESE THUNDERSTORMS.

PERSONS IN THE PATH OF THESE THUNDERSTORMS SHOULD REMAIN ALERT AND
TAKE SHELTER @IF THREATENING WEATHER APPROACHES.  REMEMBER THE SAFEST
PLACE TO BE IN A THUNDERSTORMS IS INSIDE A STRONG BUILDING AND AWAY
FROM WINDOWS.

GOUGH

Special weather statement, Jul 13, 3:45 PM EDT, 1 hour 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 13, 4:30 PM EDT, 15 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 13, 4:32 PM EDT, 13 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>

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 2:15 PM EDT	Severe Thunderstorm Warning	CTP	Tioga	30 min
Jul 13, 2:38 PM EDT	Severe Thunderstorm Warning	CTP	Bradford	52 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.