 and persuasions to pay close attention to their surroundings. WTOP's JJ Green. This just in, a severe thunderstorm warning for east central Anne Arundel County. At 2.45, a severe thunderstorm located over London Town or over Mayo. It's nearly stationary, 60 mile an hour wind gusts. Severe thunderstorm warning in effect for east central Anne Arundel County until 3.30 p.m.