Summer-like wave ahead; temperature records appear safe

  • High temperatures in the 80s are expected to dominate the southeastern U.S. and mid-Atlantic regions for the middle of the week.
High temperatures in the 80s are expected to dominate the southeastern… (National Weather Service )
April 08, 2013|By Scott Dance, The Baltimore Sun

The warmest day of the year so far came Jan. 30 across the region, with highs topping 70 degrees, but "those numbers should get pummeled in the coming days," according to the National Weather Service.

A pattern similar to what is known as a Bermuda high is setting up for Tuesday through Thursday, according to forecasters. In that pattern, high pressure systems are known to set up off the East Coast, circulating warm, humid air from the Gulf Coast up toward the Northeast.

"What's great about this setup is the wind direction it provides," WMAR-TV meteorologist Mike Masco wrote. "A southwesterly wind will take over today through Thursday which will lift the mild air from the southern USA into Maryland."

The weather service's Baltimore/Washington forecasters are calling for high temperatures topping 80 degrees and low temperatures no colder than the mid-60s from Monday night through Thursday evening.

Those marks could come close to record warmth, something we're used to after last spring's summer-like heat wave that made it the warmest Baltimore spring on record.

Record highs for Tuesday, Wednesday and Thursday are 89, 89 and 85 degrees, respectively. Records for the mildest low temperatures are meanwhile 65, 68 and 65 degrees, respectively, and could be more within reach.

The warming trend is the first in "quite some time", meteorologists said in the weather service's forecast discussion. The mild late January day was the first in that month to top 70 degrees in Baltimore in five years.

The warming was already apparent early Monday. Baltimore-Washington International Thurgood Marshall Airport did not drop below 50 degrees overnight, the mildest low temperature there since a 54-degree reading Oct. 28.

BWI reached 61 degrees by 9 a.m. Monday, which is a typical high temperature for this time of year.

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