Shows the use of wind direction, barometric pressure, and cloud type in predicting the weather, plus a full list of radio weather stations for official broadcasts, key information on storm warnings, hurricane avoidance, navigating in fog and other hazardous conditions, and more. Weatherproof high-strength plastic, full color both sides. Punched for binder or bulkhead mounting. Dimensions: 8.5" x 11" (216 x 279 mm).