15       row variables and mean/spread/prob info
U10M 33 105 M1 10
V10M   34   105  M1   10
U      33   100  M2   850 250
V      34   100  M2   850 250
SLP   130   102  M1   0
HGT     7   100  M1   500
RH     52   100  M1   850
RH     52   105  M1   2
T      11   100  M3   850 500 250
T2M    11   105  M1    2  P1  2     < T1 273.0
T2M    11   105  M0       P1  2     > T1 298.8
T      11   100  M0       P1  850   < T1 273.0
CAPE   157   1   M1    0  P1  0     > T5 500 1000 2000 3000 4000
CIN    156   1   M1    0  P1  0     < T5  -50.0 -100.0 -200.0 -300.0 -400.0
PRCP   61    1   D1    0
  3      special derived variables, each  of which, needs code to process specially
APCP   61   1   H4 24 12 6 3 P4 24 12 6 3 > T10 0.25 1.27 2.54 6.35 12.7 25.4 38.1 50.8 101.6 152.4
WIND   32  105  M1 10 P1 10  > T3 12.89 17.5 25.78
WIND   32  100  M2 850 250

NOTE: M/S*1.94 -> KNOT
      INCH = 25.4 MM = 25.4 KG/M2