Meteorology Conversions 1. Convert Fahrenheit to Celsius – Input Temp ° F Celcius temperature ° C. 2. Convert Celsius to Fahrenheit – Input Temp ° C Fahrenheit temperature ° F. 3. Determine Heat Index – Input Temperature ° F Input RH% Heat Index ° F. 4. Determine Wind Chill – Input Temperature ° F Input Wind (mph) Wind Chill ° F. 5. Determine Relative Humidity – Input Temp ° F Input Dew Point ° F Relative Humidity: %. 6.Determine Dew Point – Input Temp ° F Input RH% Dew Point: ° F. 7. Determine 1000-500mb Thickness – Input 1000mb Hgt (meters) Input 500mb Hgt (meters) Thickness Meters. Possible Precip Type: . Regional Rain/Snow Lines….South = 537, Western Mountains = 543-549, West Coast = 525. 8. Determine 1000-850mb Thickness – Input 1000mb Hgt (meters) Input 850mb Hgt (meters) Thickness Meters. Possible Precip Type: . 9. Total Totals Index – Input 850mb Temp ° C Input 850mb Dew Point ° C Input 500mb Temp ° C Total Totals Index: . Thunderstorm Type:.