VIL Density - VIL Density - Warning Decision Training Division (WDTD)
Short DescriptionVertically Integrated Liquid (VIL) divided by the depth of the column
Primary UsersNWS WFO
Spatial Resolution: 0.01o Latitude (~1.11 km) x 0.01o Longitude (~1.01 km at 25oN and 0.73 km at 49oN)
Temporal Resolution: 2 minutes
Amburn, S. A., and P. L. Wolf, 1997: VIL density as a hail indicator. Wea. Forecasting, 12, 473-478.
Greene, D.R., and R.A. Clark, 1972: Vertically integrated liquid water-A new analysis tool. Mon. Wea. Rev., 100, 548-552.
Troutman, T. W. and M. Rose, 1997: An examination of VIL and echo top associated with large hail in Middle Tennessee. NWS Southern Region Technical Attachment SR/SSD 97-15. Fort Worth, TX.