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Maryland Weather Meteorology, astronomy and climate conditions in the Baltimore region
Baltimore hits 90 degrees for a fourth day in year's longest heat wave

Temperatures briefly reached 90 degrees Friday afternoon at Baltimore/Washington International Thurgood Marshall Airport, a fourth consecutive day of heat and the longest stretch above 90 degrees this year.

September has kicked off meteorological fall with a heat wave not seen during the summer months, with highs of 94 degrees, 92 degrees, 94 degrees and now at least 90 degrees in its first four days.

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Cooler temperatures, sunshine forecast for Labor Day weekend

Temperatures and humidity are forecast to drop for the Labor Day holiday weekend, with sunny skies overhead.

September has gotten off to a hot and humid start -- Baltimore/Washington International Thurgood Marshall Airport has hit the 90s two days in a row. But what is known as a "back-door" cold front is forecast to move into the region from the northeast late Friday.

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Summer 2015 extends streak without triple-digit temperatures

It has been more than three years since Baltimore hit 100 degrees, with temperatures right around average for the meteorological summer season that ended Monday.

Baltimore/Washington International Thurgood Marshall Airport has not hit the triple digits since July 18, 2012, when the high was 104 degrees.

Temperatures got closer to 100 this summer than they have since 2013, however.

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Poor air quality forecast Tuesday as heat, humidity rise

A "Code Orange" air quality alert is in effect for Tuesday and could be extended further into what is forecast to be a hot and humid week.

The Maryland Department of the Environment warns that air pollution could be unhealthy for sensitive groups, such as the elderly, children and people with heart or lung conditions. Those groups are encouraged to avoid activity outdoors.

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First of three consecutive 'supermoons' rises Saturday night

The moon will be full at precisely 2:35 p.m. Saturday, and when it rises this evening, it will be nearing its closest point to Earth in its elliptical orbit -- technically making it a "supermoon."

On Sunday, the moon reaches lunar perigee, at just under 223,000 miles away from Earth.

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Tropical Storm Erika falls apart over Cuba

Tropical Storm Erika is no longer a threat to Florida, dissipating into a wet but weak low-pressure system over Cuba on Saturday, according to the National Hurricane Center.

But it left devastation in its path across the Caribbean, killing at least 20 people and leaving another 31 missing on the small eastern Caribbean island of Dominica, authorities said.

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