Good Tuesday morning everyone. Well we have two storms underway but the most talked about one is the impending Noreaster that has already begun to send copious amounts of moisture into parts of the #Northeast. The trend over the next few days will be deteriorating conditions through this region. Heavy rain, high winds, heavy snow along with possible icing and a wintry mix will make for some treacherous travel and dangerous conditions. From Long Island to Cape Cod and even up into the Maine coastal region, wind speeds could be up around 45 mph and gust up to 60 mph. Please make sure you are prepared and give yourselves plenty of extra time over the next few days. Have supplies you need in the even of a power outage which could be possible in some areas. If you dont know what the difference is between a Winter Storm Watch, Warning or Advisory then I will have them listed below. Over in the Northwest part of the country, the next Pacific storm is getting under way. Heavy rain is expected over the next several days from Washington down into parts of California. Flash flooding is a major concern but the high winds and dangerous surf will also be an issue. Strong rip currents and strong surf will likely make beaches unsafe. Winds could reach speed of 30-40 mph with gusts as high as 65 mph through the next couple of days. Please make sure you have some way of receiving weather alerts especially those who live in flood prone areas or areas at risk for landslides. These conditions will continue over the next few days with more high winds and waves possible through Thursday. Stay alert and be prepared to move to a safe location if a warning is issued for your area. I will have another update on both systems later today. Below is a look at the different winter alerts that have been and will continue to be issued through parts of the Northeast. Please be safe and have a wonderful day everyone. ~Pete 1) WINTER STORM OUTLOOK This is a statement issued when there is a chance of a major winter storms from 3 to 5 days in the future. This is meant to assist people with their long range plans. However, since the outlook is issued so far in advance, the accuracy of the prediction may be limited. 2) WINTER STORM WATCH This means there may be hazardous winter weather due to various elements such as heavy snow, sleet, or ice accumulation from freezing rain. In our region, heavy snow means 7 inches or more of accumulation in 24 hours or less. A WATCH is a long range prediction. They are issued at least 12 hours before the hazardous winter weather is expected to begin. When the storm becomes imminent, or has a high probability of occurring, the watch will be upgraded to a WARNING. 3) WINTER STORM WARNING FOR HEAVY SNOW Seven inches or more of snow will fall within a 24 hour period. 4) WINTER STORM WARNING FOR SEVERE ICING Heavy accumulation of ice due to freezing rain will down trees and power lines. Electricity, or telephone communications, may be out for a long period of time. Roads may become impassable for most vehicles. 5) BLIZZARD WARNING This is issued for a combination of strong winds averaging or frequently gusting to, or above, 35 miles an hour and very low visibility due to blowing or falling snow. These are the most dangerous winter storms and can be especially severe when combined with temperatures below 10 degrees. 6) WINTER STORM WARNING This is issued when a dangerous combination of heavy snow, with sleet and/or freezing rain, will occur or has a high probability of occurring within the next 12 hours. 7) HIGH WIND WARNING This means the expected winds will average 40 miles an hour or more for at least 1 hour or winds gusts will be greater than 58 miles an hour. Trees and power lines can be blown down. A High Wind Warning may be preceded by a HIGH WIND WATCH if the strong winds are not expected to occur for at least 12 hours. 8) WIND CHILL WARNING This means life threatening cold with wind chill temperatures computed to be -40 degrees or less for at least 3 hours. Exposure to this combination of strong winds and low temperatures without protective clothing will quickly lead to frostbite and/or hypothermia. Longer exposures can be fatal. 9) WINTER WEATHER ADVISORY FOR SNOW This is issued for snowfall greater than 4 (but less than 7) inches in a 24 hour period. The snowfall is usually expected to begin within the next 12 hours. 10) BLOWING SNOW ADVISORY This is issued when the visibility will be significantly reduced, or when the roads become snow covered over a large area. 11) WIND CHILL ADVISORY This is issued for cold temperatures and winds, with wind chill temperatures computed to be -25 degrees or less for at least 3 hours. Exposure to this combination of strong winds and low temperatures without protective clothing can lead to frostbite and/or hypothermia, Prolonged exposure may be fatal. 12) WINTER WEATHER ADVISORY This is issued for a combination of snow, sleet, and/or freezing rain. Advisories, in general, are issued for weather conditions that are expected to cause significant inconveniences and may be hazardous, These situations are normally not life threatening if caution is exercised. 13) WIND ADVISORY This is issued for average wind speeds between 31 and 39 miles an hour, or for frequent wind gusts between 46 and 57 miles an hour. THERE ARE OTHER WINTER WEATHER HAZARDS UNIQUE TO SPECIFIC PORTIONS OF OUR REGION : 14) LAKE EFFECT SNOW WATCH A Lake Effect Snow Watch is issued when there is a possibility of heavy lake effect snow (accumulating 7 inches of more within a 12 hour period). Lake effect snow usually occurs in narrow bands over limited areas. The watch is issued at least 12 hours before the snow is expected to begin, however its occurrence, location, and/or timing is still uncertain. 15) LAKE EFFECT SNOW WARNING This is issued when heavy lake effect snow is occurring, is imminent, or has a very high probability of occurring within the next 12 hours. The snow is expected to accumulate at least 7 inches with strong winds producing much high drifts. This is similar to a Winter Storm Warning for Heavy Snow, except Great Lakes induced squalls/showers occur in narrow bands and over limited areas. Lake effect snow squalls/showers can occur quite suddenly and cause blizzard-like conditions. 16) LAKE EFFECT SNOW ADVISORY A Lake Effect Snow Advisory is issued for Great Lakes induced snowfall in western and central New York totaling between 4 and 7 inches in a 12 hour period. Blowing and drifting snow is also common in relatively limited areas and in narrow bands.
Posted on: Tue, 09 Dec 2014 13:43:24 +0000
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