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Westport weather: Blustery winter storm on tap this afternoon

Published 6:44 am, Wednesday, March 6, 2013
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A winter storm with wind-whipped rain and snow, triggering coastal flooding, is expected to strike southwestern Connecticut this afternoon and continue battering the region through early Friday, the National Weather Service warns.

In a "Hazardous Weather Outlook" in effect from 6 p.m. today to 6 p.m. tomorrow, the NWS has issued:

- Winter Weather Advisory from 6 p.m. today to 6 p.m. tomorrow

- Wind Advisory -- gusts as high as 50 mph -- from 4 p.m. today to 6 p.m. tomorrow

- Coastal Flood Advisory from 5 to 8 p.m. today, with "moderate" coastal flooding possible, particularly during the high-tide period of about 6:30 p.m. A Coastal Flood Watch is in effect as well for the high-tide cycle tomorrow morning.

Skies are cloudy early this morning as the storm moves in -- satellite images at 5:30 a.m. show the northern edge of the storm system swirling above the southern tier of the Tri-State region.

The daytime high temperature is expected to be about 40 degrees, with a northeast wind around 10 mph early in the day.

Rain and snow is expected to begin falling after 3 p.m. and the winds will intensify to 14 to 22 mph, with gusts as high as 34 mph. Chance of precipitation today is 80 percent, the NWS says, with snow accumulation of less than a half-inch possible.

As the nighttime temperature calls to about 30 degrees, precipitation is expected to chance to all-snow and a north wind will be clocked at about 25 mph, gusting as high 40-50 mph. Chance of precipitation is 80 percent, with overnight snow accumulation of 1 to 3 inches possible.

Tomorrow, light snow is likely through the morning, then changing to a mix of snow and rain in the afternoon. Skies will be cloudy and the temperature will rise to the mid-30s. It will be windy again, with a north wind 23 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 60 percent, with new snow accumulation of less than an inch possible.

Thursday night, more light snow is possible, as the temperature falls to a low in the upper-20s and winds 17 to 23 mph. Chance of precipitation is 60 percent.

On Friday, light snow remains possible, mainly before noon, the NWS says. Skies will be cloudy and the high will be in the upper-30s. Chance of precipitation is 60 percent. Nighttime will be partly cloudy, with a low temperature around 30 degrees.

Saturday should be sunny, with a high near 45 degrees. Nighttime will be mostly clear, with a low temperature about 30 degrees.

The outlook for Sunday, according to the weather service, is sunny and temperatures in the upper-40s.