Wind Chill Advisory
URGENT - WINTER WEATHER MESSAGE National Weather Service Mount Holly NJ 343 AM EST Sun Dec 31 2017 New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD- Queen Annes-Talbot-Caroline-Hunterdon-Somerset-Middlesex- Western Monmouth-Eastern Monmouth-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May- Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean- Southeastern Burlington-Delaware-Philadelphia-Western Chester- Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks- Lower Bucks- Including the cities of Wilmington, Dover, Georgetown, Rehoboth Beach, Elkton, Chestertown, Centreville, Easton, Denton, Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Ocean City, Atlantic City, Long Beach Island, Wharton State Forest, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 343 AM EST Sun Dec 31 2017 ...WIND CHILL ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 10 AM EST MONDAY... * WHAT...Very cold wind chills expected. Expect wind chills to range from 5 above zero to 10 below zero. * WHERE...Portions of central and southern New Jersey, southeast Pennsylvania, northeast Maryland, and all of Delaware. * WHEN...From 9 PM this evening to 10 AM EST Monday. * ADDITIONAL DETAILS...The cold wind chills will cause frostbite in as little as 30 minutes to exposed skin. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Advisory means that cold air and the wind will combine to create low wind chills. Frost bite and hypothermia can occur if precautions are not taken. Make sure you wear a hat and gloves. Monday To Friday ........
Sub-zero wind chills are once again expected Monday night into Tuesday morning and Thursday night through Friday night. Additional Wind Chill Advisories may be needed, especially late in the week. There is a potential for snowfall Wednesday night into Thursday. Snowfall accumulations and the extent of impacts we see from this system will ultimately depend on how close the offshore low tracks to our area, which is still highly uncertain at this time. Marine Forecast ....
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT…
…FREEZING SPRAY ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH MONDAY AFTERNOON…
Synopsis: Arctic high pressure located over the Canadian prairies and Northern Plains will build to the south and east toward the Mid Atlantic through Wednesday. An area of low pressure is forecast to develop off the Southeast coast on Wednesday and then strengthen as it tracks northeastward off the Mid-Atlantic and New England coasts Wednesday night through Thursday night. Arctic high pressure returns to the region Friday and Saturday.
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Swell mainly from the NW with a dominant period of 5 seconds. Light freezing spray.
N winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Swell mainly from the NW with a dominant period of 5 seconds. Freezing spray.
NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Swell mainly from the NW with a dominant period of 5 seconds. Freezing spray.
NW winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Swell mainly from the NW with a dominant period of 5 seconds. Freezing spray. vsby 1 to 3 nm in the late evening and overnight.
NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Light freezing spray.
Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 938 AM EST Sun Dec 31 2017 West central North Atlantic continental shelf and slope waters beyond 20 nm to 250 nm offshore, including south of Georges Bank from 1000 fm to 250 nm offshore. Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. ANZ920-010245- Baltimore Canyon to 69W east of 1000 fm and south of 38.5N to 250 nm offshore- 938 AM EST Sun Dec 31 2017 ...GALE WARNING... .TODAY...NW winds 15 to 25 kt. Seas 7 to 12 ft. Chance of rain. .TONIGHT...N winds 15 to 25 kt. Seas 6 to 11 ft. Chance of rain and snow. .MON...N to NW winds 20 to 30 kt. Seas 9 to 15 ft. Chance of rain and snow. .MON NIGHT...N winds 25 to 35 kt, becoming N to NW 20 to 30 kt. Seas 10 to 17 ft. Chance of rain and snow. .TUE...NW winds 20 to 30 kt. Seas 10 to 17 ft.