Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 159, NWS State College, PA

August 13, 1999Lycoming County, Union County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Aug 13, 1999, 5:39 PM EDT for Lycoming County, Union County, Pennsylvania. It was in force for 66 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 13, 1999, 5:39 PM EDT (21:39 UTC)
Expired
Aug 13, 1999, 6:45 PM EDT
In force
66 min
Issued by
NWS State College, PA
Area
Whole counties

Counties Lycoming County, PA, Union County, PA

What was reported inside it

TimeReportWhereRemark
Aug 13, 6:13 PM EDTThunderstorm WindJersey Shr, PATrees down.
Aug 13, 6:15 PM EDTThunderstorm WindMifflinburg, PATrees down.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

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.

NWS State College, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 13, 3:25 PM EDT, 2 hours 14 minutes earlier.

Area forecast discussion, Aug 13, 3:25 PM EDT, 2 hours 14 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
325 PM EDT FRI AUG 13 1999

LINES OF SCATTERED TSRA NOW FORMING BACK IN W PA AND OHIO. WILL
PROBABLY SEE SOME ACTIVITY FIRE AND COME INTO WEST PA THIS EVENING
THEN WEAKEN BEFORE REACHING CENTRAL PA. MOST MODELS INITIALIZED TOO
WET...BUT LAST FEW RUNS OF MM5 HAVE BEEN CLOSER TO REALITY. WILL
LOWER POPS FOR TONIGHT TO CHC AND WORD AS MAINLY EVENING
THUNDERSTORMS.

SATURDAY WILL FEATURE MORE WIDESPREAD PRECIP AS SW TROF AXIS AND
VORT MOVE THRU...WITH MODEL SOUNDINGS INDICATING PLENTY OF DEEP
MOISTURE AND INSTABILTY TO BE TAPPED. WIND PROFILES ALSO SUGGEST SVR
POTENTIAL. WILL HAVE LIKELY POPS ALL ZONES. HEAVY RAIN AND POTENTIAL
FOR SVR WILL MAKE FOR AN INTERESTING DAY.

MOST SIG PRECIP SHUD BE EAST OF CTP CWA BY SAT EVE...WITH SHRA
LINGERING THRU OVERNIGHT PERIOD IN EAST ZONES. THINGS DRY OUT FOR
SUN...WITH MODERATING TEMPS INTO MIDWEEK.

.CTP...NONE.

OSTUNO/ SCALIO

In the hours before

Special weather statement, Aug 13, 11:53 AM EDT, 5 hours 46 minutes before
PAZ004>006-010>012-017>019-024-025-033-037-041-045-046-132200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1153 AM EDT FRI AUG 13 1999

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF
CENTRAL PENNSYLVANIA THIS AFTERNOON AND EVENING...

A COLD FRONT APPROACHING THE REGION FROM THE MIDWEST WILL TRIGGER
SHOWERS AND THUNDERSTORMS. THE SHOWERS AND THUNDERSTORMS ARE EXPECTED
TO AFFECT CENTRAL PENNSYLVANIA THIS AFTERNOON AND EVENING.

SOME OF THE THUNDERSTORMS MAY BECOME LOCALLY SEVERE...CAUSING
DAMAGING WINDS AND LARGE HAIL.

SKYWARN ACTIVATION MAY BE NECESSARY THIS AFTERNOON.

STAY TUNED TO NOAA WEATHER RADIO...THE OFFICIAL VOICE OF THE
NATIONAL WEATHER SERVICE...OR YOUR FAVORITE TV OR RADIO STATION...
FOR THE LATEST FORECASTS AND STATEMENTS.

.END/ OSTUNO/ SCALIO

ADDITIONAL WEATHER INFORMATION CAN BE FOUND ON THE STATE COLLEGE
WEBSITE AT:  HTTP://BOOKEND.MET.PSU.EDU  (ALL LOWER CASE)
Special weather statement, Aug 13, 11:53 AM EDT, 5 hours 46 minutes before
PAZ004>006-010>012-017>019-024-025-033-037-041-045-046-132200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1153 AM EDT FRI AUG 13 1999

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF
CENTRAL PENNSYLVANIA THIS AFTERNOON AND EVENING...

A COLD FRONT APPROACHING THE REGION FROM THE MIDWEST WILL TRIGGER
SHOWERS AND THUNDERSTORMS. THE SHOWERS AND THUNDERSTORMS ARE EXPECTED
TO AFFECT CENTRAL PENNSYLVANIA THIS AFTERNOON AND EVENING.

SOME OF THE THUNDERSTORMS MAY BECOME LOCALLY SEVERE...CAUSING
DAMAGING WINDS AND LARGE HAIL.

SKYWARN ACTIVATION MAY BE NECESSARY THIS AFTERNOON.

STAY TUNED TO NOAA WEATHER RADIO...THE OFFICIAL VOICE OF THE
NATIONAL WEATHER SERVICE...OR YOUR FAVORITE TV OR RADIO STATION...
FOR THE LATEST FORECASTS AND STATEMENTS.

.END/ OSTUNO/ SCALIO

ADDITIONAL WEATHER INFORMATION CAN BE FOUND ON THE STATE COLLEGE
WEBSITE AT:  HTTP://BOOKEND.MET.PSU.EDU  (ALL LOWER CASE)
Special weather statement, Aug 13, 5:36 PM EDT, 3 minutes before
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Special weather statement, Aug 13, 5:36 PM EDT, 3 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.

IssuedProductOfficeCountiesLasted
Aug 13, 4:22 PM EDTSevere Thunderstorm WarningCTPClearfield53 min
Aug 13, 4:26 PM EDTSevere Thunderstorm WarningCTPCambria64 min
Aug 13, 4:34 PM EDTSevere Thunderstorm WarningCTPCentre, Clinton86 min
Aug 13, 4:55 PM EDTSevere Thunderstorm WarningCTPBlair65 min
Aug 13, 4:56 PM EDTTornado WarningCTPCambria34 min
Aug 13, 5:18 PM EDTSevere Thunderstorm WarningCTPHuntingdon57 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1999Every severe thunderstorm warning in 1999

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data.