Snow To Impact Westbound Travelers November 25, 2008

Heavy snow showers are back in western Maryland…just in time for holiday travelers!  With temperatures below freezing from western Allegany Co. into Garrett Co., the snow will make roads slick tonight and Wednesday.  Gusty winds will create some blowing and drifting of snow, reducing visibilties.  While the snowbelt areas of Maryland, West Virginia, [...]

January-like in November November 25, 2008

Weather conditions from November 17th through the 23rd were not very typical of a pre-Thanksgiving week in the Baltimore area. In fact, the cold temperatures were more like January! Average highs for the week were 13.6 degrees below the 30 year normals, while the average lows were 6.5 degrees below normal. With [...]

The Chill Continues November 24, 2008

Temperatures have certainly taken a turn in November. The first half of the month was relatively mild with most daily high temperatures at or above the seasonal average. Readings took an abrupt turn mid month. The high temperature on November 15 was 73 degrees and the high on the next day was 22 degrees colder. [...]

Winter Weather Advisory Changes November 21, 2008

Winter weather is on our doorstep. Temperatures have turned sharply colder and a few flurries and snow showers have fallen around Baltimore. Significant snows have fallen in the mountains.
I wanted to pass along a word about some changes the National Weather Service is making regarding their Winter Weather Advisories.
The threshold for issuance of various advisories [...]

Key to our cold: the NAO November 21, 2008

One of the most reliable predictors for cold weather in the mid Atlantic states is an index meteorologists call the North Atlantic Oscillation (NAO).  The NAO is a back-and-forth fluctuation in the atmosphere between low pressure over Greenland and the subtropical high north of Bermuda.  When there is a large difference between the two pressure [...]

For the first time in 262 days… November 19, 2008

The low this morning at BWI Thurgood Marshall Airport dropped to 24°, the coldest of autumn so far and the first temperature below 25° since last March 2nd, 262 days ago. Some other sub 25°locations in the state this morning, not shown on the map posted above:
Garrett College, McHenry, Garrett Co.: 15°
Green Ridge [...]

Skier’s Delight…29″ at Snowshoe! November 19, 2008

The outbreak of cold air enveloping the mid Atlantic and northeastern United States this week is turning into something skiers can be truly grateful for as we head for the Thanksgiving holiday. Reports out of far western Maryland and West Virginia indicate 6-12″ of snow has fallen at elevations above 2,000′ and 12-24″ of [...]

Cold Coming With Some Snow November 18, 2008

Cold, winter-like air is sweeping east across the mountains into central Maryland tonight.  With the Great Lakes still unfrozen the cold air can pick up lots of moisture on its track southeast.  The cold, moist air flowing up the west side of the Appalachian mountains results in heavy snow showers for Allegany and [...]

Leaning Closer To Winter November 17, 2008

This weekend there was an abrupt change in the weather. High temperatures were in the 70s on Saturday but a strong cold front reintroduced a sense of reality to the weather by Sunday.
At this point in the autumn season average high temperatures are in the mid 50s and lows are in the mid 30s. The [...]

Thunder Ahead Of Cold Blast November 15, 2008

A deep trough of low pressure up around 18,000 feet is forecast to sweep east into the mid Atlantic states this weekend. The strong jet stream east of the trough (160 mph winds measured at 30,000 feet by the balloon launched near Detroit this evening) will combine with warm, moist air being drawn northward [...]