With one underperforming snow system having come and gone, a new winter storm watch is in effect for areas northwest of Baltimore for freezing rain Tuesday night into Wednesday.
The storm watch is in effect for northern Baltimore County and Carroll County from Tuesday evening through Wednesday afternoon. More than a quarter of an inch of ice accumulation is possible.
Several inches of snow fell across parts of Carroll County and northern Baltimore and Harford counties Monday morning, but mostly rain and some ice were all that was observed closer to Baltimore and the Interstate 95 corridor.
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Early snow totals included 2 inches in Norrisville in northern Harford, 1.2 inches in Westminster and 4 inches in Taneytown in Carroll, and 0.3 inches in Hunt Valley.
But while rain was expected to transition to snow by late morning in Baltimore, temperatures remained in the mid- to upper-30s, keeping most precipitation in liquid form.
"Simply put, the cold air is taking longer to get here, and consequently we have a whole lot of cold rain and not much else," local meteorologist "Eric the Red" said in an e-mail.
Northern and Western suburbs could see 4 inches of snow or more, according to forecasters, but the later start in Baltimore, Howard and Anne Arundel Counties will mean no more than an inch on the ground.
Winter weather advisories and winter storm warnings across the region were canceled or downgraded by midday. Carroll County remained under a winter storm warning through 4 p.m., while northern Baltimore County and Harford County were placed under winter weather advisories through that time.
The early snow totals and forecast prompted school districts to call for delayed openings, early dismissals and closings. Carroll County schools and Baltimore County schools in the Hereford zone closed; Harford County schools were set to dismiss students early; and Baltimore private schools including Boys Latin School of Maryland, Friends School of Baltimore, Gilman School and Roland Park Country School were opening two hours late.
Temperatures should stay steady in the upper-30s, dropping a degree or so as the snow sets in, the weather service said.
The snow will keep falling in the middle of the afternoon, at which point it will taper off pretty quickly, forecasters say.
The unsettled start to the week sets up a mixed bag of weather for coming days. While no more snow is forecast, rain is expected into the middle of the week.
Mostly cloudy skies are forecast Tuesday with temperatures from the upper 20s to the mid-30s. A cold rain is forecast Tuesday night into Wednesday morning. Highs in the mid-40s are forecast Wednesday.
Temperatures are forecast in the 20s and 30s Thursday and Friday, with another chance of snow Friday night.