ROFOR is a format for reporting weather information. ROFOR is an abbreviation for "Route Forecast". As the name suggests is the weather forecast of the route of any aircraft which will be flying through the route. ROFOR contains various information regarding date and time of forecast,direction and speed of the wind,aerodrome icao code for which the forecast is made,cloud levels and freezing(Icing) levels, turbulence and vertical wind shear information.
Example
here is an example of ROFOR report:-
ROFOR 060300Z 0606/0612 KT VIDP 12580 2AC120 4CI300 7///180 403028 27010 405020 28015 407015 30020 410010 33025 523306 631209 11111 12775 40120 22222 38150 27115=Interpretation of above ROFOR:-ROFOR ROUTE FORECAST060300Z ISSUED ON 06 DAY AT 0300 UTC060612 VALID ON 6TH DAY FROM 0600 UTC TO 1200 UTCKT WIND SPEED IN KNOTSVIDP 12580 ROUTE PALAM(NEW DELHI) TO (QUADRENT 1) 25N80E2AC120 4CI300 CLOUDS 2AC12,000 FT 4CI30,000 FT7///180 (INDICATOR FIG 7) FREEZING LEVEL AT 18000 FT
AND INDICATOR FIG 4 IS ALTITUDE AND TEMP WITH WIND DIRECTION AND SPEED
405020 28015 (INDICATOR FIG 4) AT 5000 FT TEMP. IS 20 DEG CELCIUS WIND FROM 280 DEG AT 15 KNOTS
FIG 5 INDICATE TURBULENCE
523306 (INDICATOR FIG 5) MODERATE CAT AT 33000 FT WITH THICKNESS 6000 FT
FIG 6 INDICATE ICING
631209 (INDICATOR FIG 6) LIGHT ICING WITH PRECIPITATION AT 12000 FT WITH THICKNESS 9000 FT
11111 INDICATES JET STREAM LOCATION
22222 INDICATES MAX WIND,VERTICAL WIND SHEAR AND DIRECTION WITH ALTITUDE