Flash Flood Watch

NATIONAL WEATHER SERVICE STATE COLLEGE PA
419 AM EDT TUE SEP 29 2015

…WIDESPREAD HEAVY RAIN EXPECTED THIS AFTERNOON THROUGH WEDNESDAY
MORNING…

.A SLOW MOVING COLD FRONTAL BOUNDARY…POTENT UPPER LEVEL
DISTURBANCE…AND EXTENSIVE PLUME OF DEEP TROPICAL MOISTURE WILL
COMBINE TO BRING MUCH OF CENTRAL PENNSYLVANIA HEAVY RAINFALL OF 2
TO 3.5 INCHES OF RAIN OVER THE UPCOMING 36 HOURS. NARROW BANDS OF
MUCH HIGHER AMOUNTS OF 4 TO 5 INCHES ARE POSSIBLE. THESE HIGHER
AMOUNTS COULD LEAD TO FLOODING OF SMALL STREAMS AND CREEKS WITH
EVENTUAL SIGNIFICANT RISES ON AREA RIVERS DURING THE SECOND HALF
OF THE WEEK.

POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-NORTHERN CENTRE SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-JUNIATA-SOMERSET- BEDFORD-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING-SULLIVAN-
SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-PERRY-CUMBERLAND-

INCLUDING THE CITIES OF…COUDERSPORT…ST. MARYS…RIDGWAY…
EMPORIUM…RENOVO…DUBOIS…CLEARFIELD…PHILIPSBURG… STATE COLLEGE…JOHNSTOWN…ALTOONA…HUNTINGDON…MOUNT UNION… LEWISTOWN…MIFFLINTOWN…SOMERSET…BEDFORD…MCCONNELLSBURG…
CHAMBERSBURG…MANSFIELD…WELLSBORO…TROUT RUN…LAPORTE…
LOCK HAVEN…WILLIAMSPORT…LEWISBURG…SELINSGROVE…NEWPORT… CARLISLE

…FLASH FLOOD WATCH IN EFFECT FROM 4 PM EDT THIS AFTERNOON
THROUGH WEDNESDAY MORNING…

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A

* FLASH FLOOD WATCH FOR A PORTION OF CENTRAL PENNSYLVANIA…
INCLUDING THE FOLLOWING BEDFORD…BLAIR…CAMBRIA…CAMERON…
CLEARFIELD…CUMBERLAND…ELK…FRANKLIN…FULTON…
HUNTINGDON…JUNIATA…MIFFLIN…NORTHERN CENTRE…NORTHERN …
CLINTON
…NORTHERN LYCOMING…PERRY…POTTER…SNYDER…
SOMERSET…SOUTHERN CENTRE…SOUTHERN CLINTON…SOUTHERN
LYCOMING…SULLIVAN…TIOGA AND UNION.

* FROM 4 PM EDT THIS AFTERNOON THROUGH WEDNESDAY MORNING

* WIDESPREAD HEAVY RAIN OF 2 TO 3.5 INCHES WILL OCCUR THIS
AFTERNOON THROUGH WEDNESDAY MORNING…WITH LOCALIZED BANDS OF 4 TO
5 INCHES POSSIBLE.

* THE HEAVIEST RAIN AND MOST RAPID RISES ON AREA STREAMS AND
CREEKS WILL BE MOST LIKELY AROUND…OR AFTER DUSK TONIGHT.
FLOODING AT NIGHT IS ESPECIALLY DANGEROUS…SINCE HEAVY RAIN
AND POOR VISIBILITY COULD MAKE IT DIFFICULT TO SEE AREAS OF
FLOODING…DEBRIS ON THE ROADS…OR EVEN WASHED OUT ROADWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

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