Above: Hi-resolution NAM forecast for 7 AM. (Click to enlarge). Merry Christmas!!! There continue to be areas of light snow, rain & mixed precipitation around the region as of 5 AM. A narrow band of heavy snow is getting organized over southeastern NY. This band of heavy snow is going to move across CT and … Read more
Above: Hi-res NAM temperature forecast for 11 AM Today. (Click to Enlarge). Ice continues to accrete on untreated surfaces this morning. Freezing rain will eventually change to plain rain during the day, however it may take until this afternoon for that to happen in some of the northern Valley locations. Temperatures will stay in the … Read more
Threw this map together quick, so take it with a grain of salt, but it gives you the general idea what snow amounts are looking like Sunday night into Christmas morning. Looks like mixing with sleet & rain will keep amounts down to the south & east. A slight change in the track of the … Read more
Above: GFS Forecast for 7 AM Christmas Morning. Light, mixed precipitation will develop from west to east during the late morning and afternoon today. Precipitation will include light snow, sleet & freezing rain & maybe some plain rain along parts of the shore. Any snow accumulation will be minimal (maybe a dusting/coating, up to an … Read more
Above: High Resolution NAM forecast for 9 PM Friday night. (Click to enlarge). With cold air established at the surface and milder air moving in above 1000 feet, scattered, light mixed precipitation will develop during Friday. The precipitation will tend to become a bit more substantial and transition to mostly freezing rain and rain Friday … Read more
(Above: NAM 3km model snowfall forecast through midnight. Amounts likely a tad low because the model doesn’t account for the snow’s “fluff factor”. Click to enlarge). Light snow will develop across the region from southwest to northeast during the late afternoon and evening today, as low pressure moves off the mid-Atlantic coast, well to our … Read more
A fast moving low pressure system will slide out to the south of our area Thursday morning, brushing the region with light snow. The snow will begin during the predawn hours and end in most places by 8 AM-9 AM. I think the high resolution NAM model has a pretty good feel for the snow … Read more
(Image above is high resolution NAM forecast precipitation type & pressure for 9 AM Tuesday. Click to enlarge.) Some places get a snow flurry this morning, otherwise we will see developing sunshine today with highs in the upper 30’s-low 40’s. There are icy patches out there this morning from refrozen snow melt. Clouds will increase … Read more
The model runs have been developing more of a consensus and trending west since yesterday. Although some of the specific details could still change, confidence is increasing in the current forecast. Today is dry with increasing clouds. Some snowflakes could reach central & eastern Long Island anytime after midnight and the southeast corner of CT … Read more
There will be a band of moisture offshore Friday that will back in toward our area Friday night. At this time I estimate that there is a 40%-50% chance that it will back in enough to bring some snow into our area Friday night into part of Saturday. The chances are just as good that … Read more
