Addison, PA Severe Weather Alertstar_ratehome

...A FAVORABLE ENVIRONMENT FOR SNOW SQUALLS WILL BE IN PLACE
TONIGHT...

A strong cold front moving in will help to generate a line of
heavier snow showers and possibly embedded dangerous snow squalls
across northwest and central Pennsylvania.

We expect heavy snow showers and possible squalls to be on a line
from:
* Near Coudersport to Bradford to Warren between 10 and 11 pm.
* Near Mansfield to St. Mary's to Dubois between 11 pm and
midnight.
* Near Jersey Shore to Lock Haven to Clearfield between midnight
and 1 am.
* Near Williamsport to State College to Altoona to Somerset between
1 and 2 am.
* Near Bloomsburg to Harrisburg to Mechanicsburg between 2 and 3
am.
* Near Lancaster to York between 3 and 4 am.

If snow squalls develop, they will last for up to 10 to 15
minutes in any one location, with up to a half-inch to an inch of
snow in that timeframe, along with possible wind gusts of 30 to 40
mph.

This would result in a quick reduction in visibility and
perhaps localized icy roads, should a flash freeze develop. Low
traction and blinding visibility of a snow squall can make travel
very dangerous very quickly. If this combination of ingredients
becomes imminent, snow squall warnings would be issued, with very
specific information on timing, movement, and portions of
interstate highways to be affected.

Please monitor the latest conditions in your area overnight if you
will be out driving. Use extra caution if you must travel into a
snow squall, slow down, and consider exiting the highway. Rapid
changes in visibility and potentially slick roads may lead to
accidents. Please use extreme caution and allow plenty of stopping
distance. Avoid braking suddenly.

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON
TO 10 AM EST THURSDAY...

* WHAT...Heavy snow expected. Additional snow accumulations between
4 and 8 inches, with the highest amounts on the ridges to the west
of Route 219. Westerly winds gusting as high as 45 mph, creating
significant blowing and drifting of the snow.

* WHERE...Somerset County.

* WHEN...From 4 PM this afternoon to 10 AM EST Thursday.

* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Wednesday evening and Thursday morning commutes.
Gusty winds could bring down tree branches and create blowing
snow, creating very poor visibility. Wind chills will be near to
slightly below zero later tonight and Thursday.

* ADDITIONAL DETAILS...A lull in the persistent and heavier upslope
snow will occur through the mid afternoon hours today. Heavier
snow will drift southeast into the region later this afternoon and
evening as an arctic frontal boundary approaches. A few heavy snow
squalls will likely occur later this evening until around
midnight. This will significantly ramp up the snow accumulation
and greatly reduce this visibility at times to below one quarter
of a mile.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.

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