DAYS 1-5 (MARCH 9-13)<\/p>\n\n\n\n
A wave of low pressure passing just south of New England will produce a late-season snowfall for us this afternoon and early evening. While a quick glance at model snowfall forecast numbers make the event “look” more impressive, as a forecaster there are many factors to take into account. First off, using the 10:1 snow map will not be helpful as the ratios for this event will probably be on the order of 5:1 or 6:1 (snow to water) except perhaps about 8:1 in the highest elevations of northwestern RI, central MA, and southwestern NH, where a few spotty 3 inch snowfall amounts may occur from a melted precipitation event of generally 0.10 to 0.40 inch. This leaves the accumulation generally about 1\/2 to 2 inches for the region. With about 75% of this falling from early afternoon to sunset, during daylight, it battles the higher March sun angle which does send radiation through the overcast much more easily than it would have in January, meaning that unpaved surfaces will just be wet especially since air temperatures will be marginal. In fact, the air is marginal enough that the snow may actually not start as snow, but rain, or a mix, on its leading edge, and may transition back to rain before ending along parts of the South Coast especially Cape Cod \/ Islands. Precipitation ends early evening, when we have a short-lived opportunity to see some untreated surfaces cover over with slushy snow then freeze up as the temperature goes down a little further below freezing later at night. That will be the greatest hazard we face during and after this event. Thursday, anything that has fallen will vanish as we see a return to sun and temperatures reaching or exceeding 50F as high pressure builds in. This high will give way gradually to an increase in cloud cover on Friday ahead of a warm front, which extends from our next storm system to deal with. This one, set to mess up the first half of the weekend, will bring a wind and rain event late Friday night through most of Saturday. There’s still a bit of a question on the exact track of the low, but even a track bringing it overhead would still mean a mainly rain event even for interior sections of the WHW forecast area, although a flip to snow or snow showers can occur at the end, depending on the arrival of cold air versus departure of precipitation. This little detail still has to be refined as we get closer to the event. Regardless, expect at least a moderate to possibly heavy rainfall event and some potential wind issues. This will be followed by a shot of cold and more wind, but with dry weather to finish off the weekend on Sunday and the last full weekend of the astronomical winter season. Sunday also marks the switch to Daylight Saving Time when we move the clocks forward at 2:00 a.m. ST which becomes 3:00 am. DT. Keep that in mind for your clocks that don’t automatically adjust themselves. I’ll remind you again… \ud83d\ude42<\/p>\n\n\n\n
TODAY: Overcast. Snow moves in from south to north, may start as rain\/mix briefly in some areas. Highs 32-39. Wind N-NE up to 10 MPH.<\/p>\n\n\n\n
TONIGHT: Cloudy with snow tapering off evening, maybe as a mix with rain South Coast again. Snow accumulation 1\/2 to 2 inches mainly on unpaved surfaces, with a local 3 inch amount possible interior higher elevations. Areas of ice forming on untreated surfaces. Breaking clouds overnight. Lows 27-34. Wind N-NW up to 10 MPH.<\/p>\n\n\n\n
THURSDAY: Mostly sunny. Highs 45-52. Wind W 5-15 MPH.<\/p>\n\n\n\n
THURSDAY NIGHT: Mostly clear. Lows 24-31. Wind W under 10 MPH.<\/p>\n\n\n\n
FRIDAY: Partly sunny. Highs 47-54. Wind SW up to 10 MPH.<\/p>\n\n\n\n
FRIDAY NIGHT: Clouding over. Rain likely overnight. Lows 40-47. Wind SE 5-15 MPH.<\/p>\n\n\n\n
SATURDAY: Cloudy with rain likely through midday. Rain ending with breaking clouds later in the day. Highs 50-57 but may fall sharply late in the day. Wind SE-S 10-20 MPH with higher gusts, shifting to W by late in the day.<\/p>\n\n\n\n
SATURDAY NIGHT: Variably cloudy. Chance of snow showers evening. Lows 18-25. Wind W-NW 15-25 MPH, higher gusts.<\/p>\n\n\n\n
SUNDAY: Sun and passing clouds. Highs 33-40. Wind NW 15-25 MPH, higher gusts.<\/p>\n\n\n\n
DAYS 6-10 (MARCH 14-18)<\/p>\n\n\n\n
While there will still be an active pattern overall, our weather will be quieter as we avoid major systems, seeing 1 or 2 more minor disturbances come through with variable temperatures and a couple precipitation threats during this period, favoring March 15 and 18.<\/p>\n\n\n\n
DAYS 11-15 (MARCH 19-23)<\/p>\n\n\n\n
End winter \/ start spring (equinox 11:33 a.m. EDT March 20) will be fairly typical with tug-of-war temperature pattern and some unsettled weather at times, but too early to really pin-point anything in detail.<\/p>\n","protected":false},"excerpt":{"rendered":"
DAYS 1-5 (MARCH 9-13) A wave of low pressure passing just south of New England will produce a late-season snowfall for us this afternoon and early evening. While a quick glance at model snowfall forecast numbers make the event “look” more impressive, as a forecaster there are many factors to take into account. First off, … Continue reading Wednesday March 9 2022 Forecast (7:49AM)<\/span>