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THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN LANCASTER COUNTY IN SOUTH CENTRAL PENNSYLVANIA...
CENTRAL YORK COUNTY IN SOUTH CENTRAL PENNSYLVANIA...
SOUTHEASTERN DAUPHIN COUNTY IN SOUTH CENTRAL PENNSYLVANIA...

* UNTIL 1115 PM EDT.

* AT 1019 PM EDT, A SEVERE THUNDERSTORM WAS LOCATED OVER JACOBUS,
MOVING NORTH AT 35 MPH.

HAZARD...60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

IMPACT...EXPECT DAMAGE TO ROOFS, SIDING, AND TREES.

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
DALLASTOWN, RED LION AND YOE AROUND 1020 PM EDT.
YORK, SPRY, WEIGELSTOWN, VALLEY VIEW, EAST YORK,
STONYBROOK-WILSHIRE, TYLER RUN-QUEENS GATE, NORTH YORK, GRANTLEY
AND WEST YORK AROUND 1030 PM EDT.
BAINBRIDGE, MOUNT WOLF, MANCHESTER, HALLAM, MARIETTA, MAYTOWN AND
WRIGHTSVILLE AROUND 1040 PM EDT.
ELIZABETHTOWN, MIDDLETOWN, MOUNT JOY, RHEEMS AND ROYALTON AROUND
1050 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE YORK
HAVEN, SEVEN VALLEYS, THREE MILE ISLAND, WINTERSTOWN, LOGANVILLE, NEW
SALEM, GOLDSBORO, NEWBERRYTOWN, PENN STATE HARRISBURG AND HARRISBURG
INTERNATIONAL AIRPORT.

THIS INCLUDES THE FOLLOWING INTERSTATES...
THE PENNSYLVANIA TURNPIKE FROM MILE MARKERS 245 TO 258.
INTERSTATE 83 BETWEEN MILE MARKERS 5 AND 34, AND NEAR MILE MARKER
46.
INTERSTATE 283 FROM MILE MARKERS 0 TO 2.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM, AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

HAIL...<.75IN
WIND...60MPH

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1 hour ago, Jns2183 said:

 


Haha, was it you Sunday who tempted the weather gods by saying the flash flood warning was a fail because it barely rained that day?



. Pro

1 hour ago, canderson said:

Yea lol. Then around 9 pm it started raining and hadn’t really stopped 

I tried that for my location the other day by saying CTP should cancel the flood watch here.

It didn't work...lol

We did get 3.5" here today, though.

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State College this morning: 

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
Low level jet and associated plume of highest pwats have lifted
northeast of the forecast area early this morning, causing rain
to taper off over the Susquehanna Valley. In general, expect a
relative lull in the shower activity the rest of the morning,
with the highest POPs of near 100 pct over the north central
portion of the state in association with enhanced large scale
forcing between dual upper level jet streaks.

An approaching upper trough, combined with modest diurnal
heating, should result in a resurgence of moderately high ML
cape, and widespread convection by afternoon. The combination of
high PWATs and moderate instability will once again support
locally heavy rain amounts, so the flash flood threat remains in
effect through this evening. CAMS indicating spot amounts of 3+
inches later today over the eastern half of the forecast area.
The heavy rain of recent days have left most of the region very
susceptible to flooding, with 1hr FFG values of only around a
half inch.
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