LOOP
SLYR 700 500
BKNT LAVE CLR4 
VORT BKNT LAVE CLR2 dash&
WAIT 3SEC
ADVT VORT BKNT LAVE BKNT LAVE CLR1 DASH&
TXT4 700-500 LAYER MEAN WIND / LAYER VORTICITY / LAYER VORTICITY ADVECTION
ENDL