LOOP
THCK CI30 FIL1 CLR1
TXT4 **H NGM 1000-500 MB THICKNESS FORECAST (WHITE) -
TXTT HIT <RETURN> TO OVERLAY THE NAM FORECAST 1000-500 MB THICKNESS -
ENDL
LOOP
THCK CI30 FIL2 CLR2&
TXT4 **H NGM 1000-500 MB THICKNESS FORECAST (WHITE) -
TXT5 **H NAM 1000-500 MB THICKNESS FORECAST (RED)   -
TXTT HIT <RETURN> TO DISPLAY NGM/NAM 1000-500 MB THICKNESS DIFFERENCES          -
ENDL
LOOP
TXTT                                                                      -
SDIF THCK FIL1 THCK FIL2 CLR1 CIN5
SDIF THCK FIL1 THCK FIL2 GRTN  0.1 CLR2 DASH CIN5&
SDIF THCK FIL1 THCK FIL2 LSTN -0.1 CLR7 DASH CIN5&
TXT4 NGM/NAM 1000-500 MB THICKNESS DIFFERENCE (NGM MINUS NAM) -
TXT5 NEGATIVE VALUES (BLUE)> NGM 1000-500 MB THICKNESS ARE LOWER THAN NAM  - 
TXT6 POSITIVE VALUES (RED) > NGM 1000-500 MB THICKNESS ARE HIGHER THAN NAM -
ENDL