Severe Thunderstorm Warning 17, NWS Pittsburgh, PA

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
248 PM EDT MON APR 23 2007

.SHORT TERM /TONIGHT THROUGH TUESDAY/...

COLD FRONT WILL PUSH ACROSS THE FORECAST AREA LATE TONIGHT AND
INTO NORTHERN WEST VIRGINIA BY 12Z TUESDAY. STILL PLAN TO GO WITH
LIKELY POPS FOR SHOWERS AND THUNDERSTORMS TONIGHT AHEAD OF AND
ALONG FRONT...THEN CHANCE POPS FOR SHOWERS LATE TONIGHT AND
TUESDAY IN FAR SOUTHEAST ZONES.

TEMPERATURES ARE CLOSE TO ETA MOS GUIDANCE VALUES.
&&

.LONG TERM /TUESDAY NIGHT THROUGH MONDAY/...

AN UNSETTLED PERIOD IN STORE THROUGH THE LONG TERM.
SURFACE BOUNDARY WILL PERSIST ALONG PA/WV LINE FROM TUESDAY NIGHT
INTO WEDNESDAY NIGHT. THIS BOUNDARY WILL BE GENERAL PATH OF A SERIES
OF DISTURBANCES. LOW PRESSURE WILL LIFT NORTHEAST ACROSS OHIO VALLEY
ON THURSDAY INTO THURSDAY NIGHT. A WEAK HIGH PRESSURE RIDGE WILL
PUSH NORTHEAST INTO THE REGION INTO SATURDAY NIGHT...QUICKLY
FOLLOWED BY ANOTHER LOW PRESSURE SYSTEM BY SUNDAY NIGHT.
&&

.AVIATION /TONIGHT AND TUESDAY/...

COLD FRONT WILL PUSH SOUTHEASTWARD ACROSS THE UPPER OHIO VALLEY
REGION TONIGHT AND INTO CENTRAL WEST VIRGINIA BY TUESDAY AFTERNOON.
EXPECT INITIAL LINE OF SHOWERS TO CROSS WESTERN PA AND NORTHERN WV
DURING THE REMAINDER OF THIS AFTERNOON. ADDITIONAL LINES OF SHOWERS
AND SCATTERED THUNDERSTORMS SHOULD CONTINUE TO DEVELOP ALONG AND
AHEAD OF FRONTAL BOUNDARY AND IT MOVES ACROSS THE REGION TONIGHT.

STRONG SOUTHWEST SURFACE WINDS WILL GUST TO AROUND 30 KT THROUGH
THIS EVENING...THEN BECOME NORTHWEST AROUND 12 KT LATER TONIGHT WITH
OCCASIONAL GUSTS TO AROUND 20 KT.

EXPECT SCATTERED TO BROKEN CLOUDS AROUND 4000 FEET THROUGH THE
EVENING WITH CONDITIONS OCCASIONALLY LOWERING TO MVFR CEILING AND
VISIBILITY IN SHOWERS AND THUNDERSTORMS. LATER TONIGHT AND TUESDAY
MORNING...CEILINGS AROUND 3000 FEET ARE FORECAST.
&&

.PBZ WATCHES/WARNINGS/ADVISORIES...
MD...NONE.
OH...NONE.
PA...NONE.
WV...NONE.

&&

31/14

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PITTSBURGH PA
335 AM EDT MON APR 23 2007

MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-
029>032-WVZ001>004-012-021>023-041-240745-
GARRETT-TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-
JEFFERSON OH-MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-MERCER-VENANGO-
FOREST-LAWRENCE-BUTLER-CLARION-JEFFERSON PA-BEAVER-ALLEGHENY-
ARMSTRONG-INDIANA-WASHINGTON-WESTMORELAND-GREENE-FAYETTE-HANCOCK-
BROOKE-OHIO-MARSHALL-WETZEL-MARION-MONONGALIA-PRESTON-TUCKER-
335 AM EDT MON APR 23 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND...EAST
CENTRAL OHIO...NORTHWEST PENNSYLVANIA...SOUTHWEST
PENNSYLVANIA...WEST CENTRAL PENNSYLVANIA...NORTHERN WEST VIRGINIA
AND NORTHERN PANHANDLE OF WEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

<!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>

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
734 PM EDT MON APR 23 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0720 PM     TSTM WND DMG     6 S GREENVILLE          41.32N 80.38W
04/23/2007                   MERCER             PA   EMERGENCY MNGR

            NUMEROUS TREES DOWN. SHINGLES BLOWN OFF OF ROOF. ALL NEAR
            LAKE PYMATUNING.

&&