Brian’s exclusive forecast for Baltimore, Annapolis, and northern Delmarva:
*The National Weather Service has issued a Wind Advisory effective through 11 a.m.*
Today: Sunny, windy, and unseasonably cold with a high near 32. NW winds 10 to 20 with gusts over 30, diminishing during the afternoon.
Tonight: Clear and very cold with a low in the low to mid 20s.
Friday: Clouds and sun. Not as cold with a high around 50.
Friday Night: Mostly clear with a low in the mid 30s.
Saturday: Mostly sunny with a high in the mid 50s.
The extended forecast calls for increasing clouds on Sunday with a low around 40 and a high in the lower to middle 50s. A chance of mixed rain and snow on Monday with a low around 35 and a high near 40. Becoming mostly sunny on Tuesday with a low in the upper 20s and a high in the mid 40s. Clouds and sun on Wednesday with a rain shower possible. The low will be in the lower 30s and the high will be in the upper 40s.
This time yesterday temperatures in the bay region were in the 50s and 60s, well on their way to highs near 70 with strong thunderstorms on the way. Twenty-four hours later and the mercury is in the mid 20s with winds gusting out of the west in excess of 30 miles per hour at times. The winds overnight were some of the strongest of the entire winter season with gusts well over 40 miles per hour. In fact, last evening BWI Airport reported a wind gust of 53 miles per hour and a station in Frederick County reported a wind gust of 66 miles per hour. Fortunately, winds will diminish throughout the day and the wind advisory will expire later this morning. However, temperatures will struggle to reach the freezing point, nearly 40 degrees colder than yesterday’s highs which topped 70 at many locations. High pressure, clear skies, and light winds will enable thermometer readings to fall back into the lower and middle 20s by Friday morning, but a milder flow will allow temperatures to rebound to near 50 degrees by late Friday afternoon. Cold snaps are usually short-lived this time of year, but we also have to deal with wild swings in the weather. This will occur again in the coming days with a good deal of sunshine over the weekend and highs in the 50s. By Monday morning, some computer forecast models are hinting at the possibility of rain changing to snow in Baltimore, Washington, and Annapolis. This will have to be monitored carefully over the weekend.
On the Maryland portion of Chesapeake Bay, a Gale Warning is in effect through Thursday evening. Winds today will come out of the northwest at 10 to 20 knots with gusts over 30 knots and waves up to 5 feet. Winds tonight will come out of the northwest at 10 to 20 knots with gusts over 30 knots and waves up to 5 feet. Winds on Friday will come out of the south at 10 to 15 knots with waves up to 2 feet. Marine information is provided only as a guide. Boaters should always stay tuned to the latest forecasts and advisories from the National Weather Service.
The average high temperature for March 13 is 53 degrees and the average low is 33 degrees. The records at Baltimore on this date are 85 degrees in 1990, and 12 degrees in 1888. Today’s sunrise will occur at 7:21 and the sunset will occur at 7:11. Weather data courtesy of the National Weather Service. For more weather updates, please visit my web site www.chesapeakebayweather.com, my Chesapeake Bay Weather page on Facebook, and if you’re heading to Ocean City feel free to check out my Ocean City MD Weather page on Facebook. You can also follow me on Twitter @chesbayweather.