According to an area prediction discussion released by the National Weather Service (NWS) Baltimore, Maryland/Washington, DC, Baltimore is preparing for a slew of snowy weather. An upper-level low-pressure system will swing the region through Saturday, bringing with it below-normal temperatures, strong winds, and even the accumulation of mountain snow, according to the advisory, which was issued early Thursday morning. The National Weather Service predicts that Sunday’s high pressure may provide a little reprieve before another low-pressure front brings new difficulties early next week. Additionally, as Thanksgiving draws near, the forecast alerts locals to a trend of weather.
Today, post-frontal winds are predicted to progressively decrease, with northwest gusts of 20 to 30 mph continuing into the day. As the cold front moves forward, snow showers are expected to get stronger along the Allegheny Front, with graupel and maybe cold rain showers in places farther east. Further east, highs only get to the 40s to low 50s. With the possibility of overnight snowfall, several inches of snow accumulation are anticipated in more mountainous areas today. As a result, Winter Weather Advisories have been issued for nearby areas to the east, and Winter Storm Warnings have been issued for some zones beginning today and lasting into early Saturday. According to the National Weather Service, “overnight lows will be in the 20s west of the Blue Ridge with 30s further east.”
As several bits of energy continue to funnel frigid temperatures and mountain snow, Winter Storm Warnings are in effect through Saturday night for the Alleghenies’ western slopes. Particularly heavy snowfall is expected to occur Friday into Friday night, with 1-2 inches of snow falling per hour due to squalls and ongoing bands. Higher elevations are expected to have total accumulations of 7–14 inches, with the highest regions possibly seeing localized accumulations of up to 18 inches. Increased winds from Friday afternoon into Saturday are also expected to cause problems with blowing and drifting snow.
With the return of high pressure on Sunday, there will be a brief period of calm, but by midweek, another band of low pressure is expected to affect the region. The likelihood of precipitation is increasing into the Thanksgiving holiday as multiple fronts move in. The region’s climate prediction points to the potential for substantial snowfall in the mountains and a protracted weather pattern by predicting a continuation of below-normal temperatures and above-normal precipitation possibilities.
Through Saturday, the weather is mostly VFR for aviation, while there is a chance of MVFR on occasion, particularly on Friday and Friday evening. The biggest obstacle is the wind, which is expected to reach 30 knots every afternoon and evening. Gale At sea, warnings have been decreased, but in all seas, high-end Small Craft Advisories are expected to last until Saturday night. The northern breezes will assist reduce sea levels today into the weekend, reducing the risk of coastal flooding for people on land. Given the unpredictable weather, it is recommended that both pilots and boaters exercise caution.
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