Potentially devastating Hurricane Sandy will even have a wintry aspect, that of heavy wet snow, to go along with its inundating surge, damaging winds and flooding rain.
Along the a stretch of the southern Appalachians, strong winds and clinging snow could down trees and power lines, triggering power outages.
Rain turning to snow Monday night and Tuesday could yield plowable snowfall from the Pennsylvania Laurel Highlands southward over West Virginia into western Virginia.
Higher ridges of West Virginia, above 3,000 feet of elevation, could see falls of 1 to 3 feet by Wednesday.
Travel may become difficult to impossible over these highlands.
Interstate highways I-64, I-68, I-77 and I-81 will be subject to wintry travel at higher elevation.
Elsewhere, cold rain may mix with or turn to snow at lower elevation of western West Virginia, eastern Kentucky and even parts of Ohio. Odds are that any accumulation of snow here would be slushy and confined mostly to grassy surfaces.
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While rain will slice through portions of the Midwest and Northeast this week, it will interrupt the stretch of dry weather in store for most locations only briefly.
While waters will be slow to recede across flood-ravaged South Carolina, a stretch of dry weather will provide favorable conditions for cleanup efforts across the region.
One potential path for Joaquin will have the post-tropical cyclone reaching Ireland as early as Saturday.
Joaquin remains on track to make Europe its final destination with a part of the British Isles and western Europe first facing potential impacts this weekend.
The next round of rain for the Washington, D.C., and Baltimore areas will be at the end of the week into the start of the weekend.
Despite Hurricane Oho not making landfall across Hawaii, rough surf will rattle the islands into Friday.
Ucluelet Brynnor Mines, Canada (1967)
Highest daily total of rainfall ever for Canada -- 19.61 inches in 24 hours.
Rotterdam, Netherlands (1981)
An F-28 airliner crashed, killing all aboard after apparently traversing a tornado shortly after take-off.
Honolulu, HI (1984)
Temperatures climbed to 94 degrees, establishing an all-time record high for October.