Severe Thunderstorm Warning 121, NWS State College, PA

CENTRAL PENNSYLVANIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
120 PM EDT MON JUL 28 1997

...SUGGESTIONS...
TONIGHT...CHC OF AN EVENING TSTM S 1/4 OF PA OTHERWISE PTLY
CLOUDY AND COOLER.
TUESDAY...EARLY MORNING CLOUDS WILL GIVE WAY TO LOWER HUMIDITY
AND MOSTLY SUNNY SKIES (PREFER THE SLIGHTLY COOLER FAN GUID).
TUESDAY NIGHT...CLEAR AND QUITE COOL WITH LOWS IN THE 40S N TO
50S S.
WEDNESDAY...SUNNY AND PLEASANT.

...DISCUSSION...
PREFRONTAL TROF MOVED THRU THE N TIER COUNTIES THIS MORNING. THIS
ACTIVITY WAS ENHANCED BY DEPARTING RR QUAD OF 2H JET.

ACTUAL COLD FRONT MOVING INTO NW PA ATTM WITH CELLS FIRING ACROSS
S OH AND FAR W PA. THIS ACTIVITY WILL CLIP OUR S CWA LATER THIS
AFTN.  TONIGHT...5H VORT AXIS SLIDES S THU FCST/A AND THIS WILL
KEEP SCT-BKN MID HI CLDS ACROSS AREA. X-SECTS FCST DRY AIR AT
ALL LEVELS TO SLIDE INTO CWA BY TUE AFTN. HENCE...CLDS WILL
QUICKLY GIVE WAY TO MOSTLY SUNNY SKIES TUE MORNING.

LARGE CANADIAN HIGH PRESSURE SYSTEM WILL TAKE HOLD ACROSS THE
AREA FOR THE REMAINDER OF THE FCST PERIOD.

SVR TSTM WATCH FOR SW PA GOT TO RUN......

WINTHER

PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-
049>053-056>059-063>066-282200-

SPECIAL WEATHER STATEMENT - SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1110 AM EDT MON JUL 28 1997

THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS UPDATED THE
SEVERE THUNDERSTORM RISK TO INCLUDE JUST THE SOUTHWEST PORTION OF
PENNSYLVANIA THIS AFTERNOON AND EVENING.

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON IN
ADVANCE OF A COLD FRONT APPROACHING FROM THE NORTHWEST.  MUCH OF
SOUTHERN PENNSYLVANIA COULD SEE THUNDERSTORMS BUT...ONLY
SOUTHWEST PENNSYLVANIA WHICH INCLUDES THE LAUREL HIGHLANDS AND
PORTIONS OF THE SOUTH-CENTRAL MOUNTAINS COULD REACH SEVERE
L>IMITS.

THUNDERSTORMS WILL END FROM NORTH TO SOUTH LATE THIS AFTERNOON
AND EVENING AS THE FRONT PUSHES SOUTH OF THE REGION.

SKYWARN ACTIVATION MAY BE NEEDED LATER TODAY.

WINTHER

PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-
049>053-056>059-063>066-282200-

SPECIAL WEATHER STATEMENT - SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1110 AM EDT MON JUL 28 1997

THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS UPDATED THE
SEVERE THUNDERSTORM RISK TO INCLUDE JUST THE SOUTHWEST PORTION OF
PENNSYLVANIA THIS AFTERNOON AND EVENING.

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON IN
ADVANCE OF A COLD FRONT APPROACHING FROM THE NORTHWEST.  MUCH OF
SOUTHERN PENNSYLVANIA COULD SEE THUNDERSTORMS BUT...ONLY
SOUTHWEST PENNSYLVANIA WHICH INCLUDES THE LAUREL HIGHLANDS AND
PORTIONS OF THE SOUTH-CENTRAL MOUNTAINS COULD REACH SEVERE
LIMITS.

THUNDERSTORMS WILL END FROM NORTH TO SOUTH LATE THIS AFTERNOON
AND EVENING AS THE FRONT PUSHES SOUTH OF THE REGION.

SKYWARN ACTIVATION MAY BE NEEDED LATER TODAY.

WINTHER

PAZ024>026-033>036-282300-

SPECIAL WEATHER STATEMENT...SEVERE THUNDERSTORM WATCH
NATIONAL WEATHER SERVICE STATE COLLEGE PA
130 PM EDT MON JULY 28 1997

...THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WATCH FOR SOUTHWEST PENNSYLVANIA UNTIL 7 PM...

THE COUNTIES INCLUDED ARE:

FOR THE LAUREL HIGHLANDS AND SOUTH CENTRAL MOUNTAINS...

SOMERSET... BEDFORD... FULTON.

A COLD FRONT WILL SLIDE SOUTHEAST ACROSS THE REGION THIS
AFTERNOON. SHOWERS AND THUNDERSTORMS...SOME THAT MAY BE SEVERE...
WILL DEVELOP ALONG AND AHEAD OF THE COLD FOR THE REMAINDER OF THE
AFTERNOON AND EARLY EVENING HOURS. AS A RESULT...A SEVERE
THUNDERSTORM WATCH HAS BEEN ISSUED UNTIL 700 PM FOR THE LAUREL
HIGHLANDS AND PORTIONS OF THE SOUTH-CENTRAL MOUNTAINS.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE
FAVORABLE FOR DAMAGING THUNDERSTORMS TO DEVELOP IN AND CLOSE TO
THE WATCH AREA.

HAVE A SAFE SHELTER NEARBY.  LISTEN FOR POSSIBLE WARNINGS AND BE
READY TO MOVE TO SAFE SHELTER IF THREATENING WEATHER APPROACHES.

STAY UPDATED WITH THE LATEST FORECASTS FROM NOAA WEATHER RADIO OR
YOUR FAVORITE RADIO...TV OR CABLE TV STATION.

WINTHER