Severe Thunderstorm Warning 4, NWS State College, PA

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
130 PM EDT MON APR 9 2001

...WORK ZONES BY 330 PM...

...ZONES BY 350 PM...

...CHANGES...

WILL KEEP FCST CLOSE TO WHAT WE HAVE NOW.

FOR MONDAY...WILL PUT CHC SHOWERS IN.

...DISC...

...SHORT TERM...

FRONT TO LINGER NEARBY INTO TUE. SW PART OF CWA OF CONCERN...AS FFG
ABOUT .5/HR...AND THIS THIS AREA HAS HAD SOME HEAVY STORMS LAST 2
MORNINGS...AND OUTLOOKED FOR HEAVY RAIN. PIT 12Z SOUNDING QUITE
UNSTABLE GIVEN TIME OF DAY. WILL HOLD OFF ON WATCH NOW...AS BANDS MORE
N/S THAN E/W...AND IT WILL RAIN FOR DAYS...BUT WILL KEEP AN EYE ON
IT.

ANYWAY...WORSE ACTIVITY LIKELY INTO EARLY EVENING S PA...THEN
JUST A CHC OF A SHOWER/STORM OVERNIGHT AND MOST OF TUE. MORE
WIDESPREAD ACTIVITY POSSIBLE LATE TUE/EARLY WED AM...MAINLY SW PART
OF CWA.

MUCH OF WED MAY NOT BE BAD...AS TWO WARM FRONTS SET UP...ONE WELL TO
THE SOUTH...AND ANOTHER TO THE N...AND UPPER LEVEL RIDGING TAKES
HOLD.

...LONG TERM...

WED STILL LOOKS TO BE THE BEST CHC FOR DRY WX THIS WEEK...IN THIS
ABNORMALLY WET/MILD PATTERN. DOUBLE WARM FRONT LIKELY ON WED...AS
MENTIONED ABOVE. INTENSE STORM PULLS TO THE NE...AND MORE ACTION
INTO THE WEEKEND...AT LEAST SHOWERS.

SPS FOR CONVECTIVE OUTLOOK WESTERN HALF OF CWA.

.CTP...SEVERE WATCH UNTIL 5 PM...WESTERN PART OF CWA.

MARTIN

PAZ004>006-010>012-017>019-024>028-033>035-092115-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1020 AM EDT MON APR 9 2001

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

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF
CENTRAL PENNSYLVANIA THIS AFTERNOON AND EVENING. THE MAIN RISK OF
SEVERE THUNDERSTORMS WILL BE MAINLY SOUTH OF INTERSTATE 80...AND
WEST OF A STATE COLLEGE...BEDFORD LINE. HOWEVER...ISOLATED STRONG
STORMS COULD EXTEND NORTHWARD INTO THE NORTHERN MOUNTAINS.

A WARM FRONT ACROSS SOUTH CENTRAL PENNSYLVANIA WILL SLOWLY MOVE BACK
NORTHWARD ACROSS CENTRAL PENNSYLVANIA THIS AFTERNOON. STORMS WILL
FORM ALONG AND TO THE SOUTH OF THE FRONT AND QUICKLY RACE EASTWARD...
MOVING INTO THE BRADFORD...JOHNSTOWN AREA AROUND 2 PM...AND THE
INTO THE CENTRAL MOUNTAINS AROUND MID AFTERNOON...AND THE
SUSQUEHANNA VALLEY BY LATE AFTERNOON.

THE MAIN THREAT OF SEVERE WEATHER WILL BE STRONG WINDS AND LARGE
HAIL...ALONG WITH HEAVY RAINS.

ACTIVATION OF SKYWARN SPOTTER NETWORKS MAY BE NEEDED LATER TODAY.

MARTIN/EVANS

PAZ004-005-010-017-024-025-033-034-092100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1101 AM EDT MON APR 9 2001

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 5 PM FOR PORTIONS
OF CENTRAL PENNSYLVANIA...

THE SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE FOLLOWING
COUNTIES...WARREN...MCKEAN...ELK...CLEARFIELD...CAMBRIA...BLAIR...
SOMERSET AND BEDFORD.

A STRONG LINE OF THUNDERSTORMS IS MOVING ACROSS OHIO TOWARD
PENNSYLVANIA. THIS LINE WILL BE MOVING INTO THE WARM...MOIST AND
UNSTABLE AIR MASS OVER CENTRAL PENNSYLVANIA. THERE ARE VERY STRONG
WINDS BLOWING AT HIGH LEVELS OVER THE NORTHEASTERN UNITED STATES AND
DURING THUNDERSTORMS THESE WINDS MAY BE BROUGHT DOWN TO GROUND
LEVEL. AS A RESULT THERE IS A POSSIBILITY OF SEVERE THUNDERSTORMS
ACROSS PORTIONS OF CENTRAL PENNSYLVANIA THIS AFTERNOON. ALTHOUGH A
FEW THUNDERSTORMS MAY DEVELOP AHEAD OF THE LINE...THE GREATEST
THREAT OF STRONG DAMAGING WINDS AND LARGE HAIL WILL OCCUR WITH THE
LINE WHICH WILL BE ARRIVING IN WARREN BETWEEN 130 PM AND 2 PM. THE
LINE SHOULD STRETCH FROM BRADFORD TO JOHNSTOWN AROUND 2 PM AND MOVE
EAST FROM THERE.

STAY TUNED TO NOAA WEATHER RADIO AND YOUR FAVORITE MEDIA OUTLET FOR
THE LATEST STATEMENTS AND POSSIBLE WARNINGS.

SKYWARN ACTIVATION MAY BE REQUIRED THIS AFTERNOON.

HEAD