Weather Fronts

RED SEMICIRCLE SYMBOL

WARM AIR GLIDES PAST

PURPLE SYMBOL

3 TOTAL AIR MASSES

STRONG WINDS

STILL

BLUE & RED SYMBOLS

COLD AIR MOVES WARM AIR

2 COLD AIR MASSES

STALLED

CLOUDY

BLUE TRIANGLE SYMBOL

LIGHT RAIN

NEITHER AIR MASS MOVES

WARM AIR SANDWICHED

HEAVY RAINS