500MB Relative Humidity & Height Image (500_rh_ht):
This product contains three fields:
- Relative humidity at 500 mb as a percentage. Values 30% and 50% are displayed as contours. Values 70% and higher are displayed as color fill.
- Isopleths as black lines expressing the height of the 500 mb level in decameters (dm) with an interval of 6 dm.
- Wind in Knots at 500 mb expressed as wind barbs.