Weather Review, ★★ Tysons, VA

March 11The air feels like a traffic jam. The temperatures and dew points and barometric pressures of two seasons are trying to merge into the same lane, bumper to bumper. The bland grey sky is masking the sun, behaving like an uncooperative dog that won't go on a walk when you've only got five minutes to spare. In the past seven days a forecast of deep snow, playful warmth, and drowning rain. Even the clouds have runny noses.