THUNDERSTORMS LIGHTNING TORNADO HEAT FLOOD BEACH GENERAL SAFETY WIND CHILL CHART HEAT INDEX CHART C° TO F° CONVERSION DROUGHT MONITOR CONVERSIONS METERS TO STATUTE MILES MILES PER HOUR TO KNOTS KNOTS TO MILES PER HOUR SUPPORT AVCOE REGULATION 115-1 WEATHER WATCH, WARNING AND ADVISORY CRITERIA METRICS MEF METRICS 7DAY METRICS METRICS