Severe Thunderstorm Warning 82, NWS State College, PA

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
330 PM EDT SAT AUG 02 2003

BUSY WEATHER PATTERN SETTING UP WITH A CONTINUED HIGH CHANCE FOR
SHOWERS AND THUNDERSTORMS THROUGH THE FIRST HALF OF NEXT WEEK AS
TROUGH ANCHORS TO OUR WEST AND MOIST SW AIR AND A SERIES OF
SHORTWAVES MOVE THROUGH.  TOUGH TO PIN DOWN TIMING ON THESE ROUNDS
OF PRECIP...BUT CAN EXPECT HIT AND MISS ACTIVITY THROUGHOUT.

ISSUED FLOOD WATCH FOR THE EVENING HOURS AS LINE OF CONVECTION WILL
CONTINUE TO TRAIN ACROSS ALMOST THE SAME AREAS.  THESE AREAS HAVE
ALSO SEEN QUITE A BIT OF RAIN LIKELY...AND FFG IS VERY LOW.

DRIER AIR FORECAST TO MOVE IN FOR NEXT WEEKEND.

FCSTID =    16
MDT   71  86  71  84 /  30  40  50  40
IPT   70  83  68  81 /  60  50  50  40
BFD   61  79  62  75 /  50  50  50  40
JST   66  79  62  76 /  60  50  50  40
AOO   68  82  65  79 /  60  50  50  40
UNV   67  81  67  79 /  60  50  50  40
SEG   70  83  68  82 /  50  40  50  40
LNS   72  86  71  84 /  30  40  50  40
THV   71  85  71  83 /  30  40  50  40

.CTP...
PA...FLOOD WATCH FOR PORTIONS OF W AND N MTNS THROUGH MIDNIGHT.

RXR

PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053-
056>059-063>066-020930-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
336 AM EDT SAT AUG 2 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY

DENSE FOG WILL BLANKET THE CENTRAL RIDGE AND VALLEY REGION THIS
MORNING. EXPECT VISIBILITIES TO BE LESS THAN A QUARTER OF A MILE IN
MANY SPOTS. CITIES LIKE WILLIAMSPORT...STATE COLLEGE AND ALTOONA
CAN EXPECT THE MOST DENSE FOG. THE FOG WILL BURN AWAY DURING THE
MORNING HOURS.

SHOWERS AND THUNDERSTORMS WILL FIRE UP IN THE AFTERNOON...ESPECIALLY
OVER THE ALLEGHENY AND LAUREL MOUNTAINS. THE STORMS MAY MOVE VERY
SLOWLY AND COULD PRODUCE VERY HEAVY RAINFALL. LOCAL MINOR FLOODING
PROBLEMS WILL MOST LIKELY OCCUR...BUT WIDESPREAD FLOODING PROBLEMS
ARE NOT EXPECTED AT THIS TIME. A FEW OF THE STORMS LATE THIS
AFTERNOON AND EVENING MAY ALSO PRODUCE LARGE HAIL OR DAMAGING WIND
GUSTS...ESPECIALLY OVER THE WESTERN HALF OF THE STATE.

.DAYS TWO THROUGH SEVEN...

SHOWERS AND THUNDERSTORMS ARE IN THE FORECAST THROUGH THURSDAY. THE
ALMOST CONSTANT THREAT OF RAIN WILL INCREASE THE LIKELIHOOD OF
FLOODING PROBLEMS THROUGH MID WEEK. HOWEVER...AT THIS TIME...NO
HAZARDOUS WEATHER IS EXPECTED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

DANGELO

PAZ006-022145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
420 PM EDT SAT AUG 2 2003

...STRONG THUNDERSTORMS WILL AFFECT POTTER COUNTY THROUGH 545 PM...

AT 420 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR OSWAYO...SOUTH
TO COUDERSPORT...AND AUSTIN. THE STORMS WERE MOVING TO THE
NORTHEAST AT 20 MPH. THE THUNDERSTORMS WILL BE NEAR DENTON HILL
STATE PARK AT 455 PM...ULYSSES AT 520 PM AND HARRISON VALLEY AT 530
PM.

WIND GUSTS TO 45 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS LINE OF
THUNDERSTORMS. HEAVY DOWNPOURS COULD LEAVE OVER AN INCH OF RAIN IN
SOME PLACES...CAUSING RAPID RISES ON CREEKS AND STREAMS...AND
PONDING OF WATER IN POOR DRAINAGE AREAS.

EXPECT INTENSE LIGHTNING FROM THE STORMS. DO NOT SEEK SHELTER UNDER
TREES OR STAY IN THE OPEN WHEN LIGHTNING THREATENS.

LAMBERT

PAZ012-017-018-024-022130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
436 PM EDT SAT AUG 2 2003

...STRONG THUNDERSTORM WILL AFFECT CLEARFIELD...NORTHERN
CAMBRIA...NORTHERN CENTRE AND NORTHERN CLINTON COUNTIES LATE THIS
AFTERNOON...

AT 432 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 12 MILES EAST OF
PARKER DAM STATE PARK...SOUTH TO CLEARFIELD...AND IRVONA. THE
SOUTHERN EDGE OF THE LINE OF STORMS WAS JUST TO THE NORTHWEST OF
PRINCE GALLITZIN STATE PARK.

THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 35 MPH AND WILL
BE NEAR...WALLACETON...RAMEY...HOUTZDALE...BRISBIN AROUND 445
PM...OSCEOLA MILLS...KARTHAUS AROUND 455 PM...PHILIPSBURG AROUND 500
PM...SANDY RIDGE AROUND 505 PM...AND RENOVO AND SNOW SHOE AROUND 530
PM.

VERY HEAVY RAIN WILL FALL...AND POSSIBLY CAUSE WATER TO POND ON ROADS
AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

WIND GUSTS TO 50 MPH AND SMALL HAIL ARE POSSIBLE WITH THE STORMS.

EXPECT INTENSE LIGHTNING FROM THIS STORM. DO NOT SEEK SHELTER UNDER
TREES OR STAY IN THE OPEN WHEN LIGHTNING THREATENS.

LAMBERT/GARTNER

PAZ012-018-019-022230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
540 PM EDT SAT AUG 2 2003

...STRONG THUNDERSTORMS WILL AFFECT CENTRE AND CLINTON COUNTIES
EARLY THIS EVENING...

AT 537 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 5 MILES SOUTHWEST
OF KEATING IN NORTHERN CLINTON COUNTY...TO SNOW SHOE....PHILIPSBURG
AND HOUTZDALE.

THE THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MPH...AND WILL BE NEAR
WESTPORT...AND PORT MATILDA AT 550 PM...RENOVO...AND BLACK MOSHANNON
STATE PARK AT 555 PM...HYNER AT 605 PM...UNIONVILLE...AND GLEN UNION
AT 615 PM...MILESBURG AND BALD EAGLE STATE PARK AT 625 PM.

THE STRONGEST STORM...AND FASTEST MOVING PART OF THIS LINE...WAS
NEAR SNOW SHOE AND WILL MOVE NEAR...OR JUST TO THE NORTHWEST OF BALD
EAGLE STATE PARK.

VERY HEAVY RAIN WILL FALL...AND POSSIBLY CAUSE WATER TO POND ON ROADS
AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

WIND GUSTS TO 50 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS LINE OF
STORMS.

EXPECT INTENSE LIGHTNING FROM THE STORMS. DO NOT SEEK SHELTER UNDER
TREES OR STAY IN THE OPEN WHEN LIGHTNING THREATENS.

LAMBERT/GARTNER/MACH

PAZ019-026-027-030030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
731 PM EDT SAT AUG 2 2003

...STRONG THUNDERSTORMS WILL AFFECT HUNTINGDON...MIFFLIN AND CENTRE
COUNTIES THIS EVENING...

AT 730 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 7 MILES NORTHEAST OF
BELLEFONTE TO 4 MILES SOUTH OF BELLEFONTE TO STATE COLLEGE TO 10
MILES NORTH OF HUNTINGDON...MOVING EAST AT 15 MPH. THE THUNDERSTORMS
WILL BE NEAR CENTRE HALL AT 740 PM...WHIPPLE DAM STATE PARK AT 745
PM...POTTERS MILLS AT 800 PM...REBERSBURG AT 810 PM...SEVEN
MOUNTAINS...POE VALLEY STATE PARK AT 815 PM AND MILLHEIM AT 820 PM.

VERY HEAVY RAIN WILL FALL...AND POSSIBLY CAUSE WATER TO POND ON ROADS
AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE ALSO POSSIBLE WITH THIS
STORM.

EXPECT FREQUENT...INTENSE CLOUD TO GROUND LIGHTNING FROM THE STORMS.
DO NOT SEEK SHELTER UNDER TREES OR STAY IN THE OPEN WHEN LIGHTNING
THREATENS. STAY OFF THE TELEPHONE AND AWAY FROM ELECTRICAL
APPLIANCES UNTIL AFTER THE STORMS HAVE PASSED.

LAMBERT