Datastream : VDIS

Video Disdrometer Drop Size Distribution

Active Dates
2011.02.28 - 2014.04.14

Measurement Categories
Atmospheric State, Cloud Properties

Originating Instrument
Video Disdrometer (VDIS)

Measurements

Only measurements considered scientifically relevant are shown below by default.

Show all measurements

Measurement Units Variable
Altitude above mean sea level m alt
Base time in Epoch seconds since 1970-1-1 0:00:00 0:00 base_time
Diameter of largest drop observed mm diameter_max ( time )
Diameter of smallest drop observed mm diameter_min ( time )
Center diameter of drop size bin mm drop_diameter ( drop_diameter )
Estimated Marshall-Palmer intercept parameter 1/m^3mm intercept_parameter ( time )
North latitude degree_N lat
Liquid water content mm^3/m^3 liquid_water_content ( time )
Liquid water distribution mean, assuming an ideal Marshall-Palmer type distribution mm liquid_water_distribution_mean ( time )
East longitude degree_E lon
Median volume diameter, assuming an ideal Marshall-Palmer type distribution mm median_volume_diameter ( time )
Moment 1 from the observed distribution mm/m^3 moment1 ( time )
Moment 2 from the observed distribution mm^2/m^3 moment2 ( time )
Moment 3 from the observed distribution mm^3/m^3 moment3 ( time )
Moment 4 from the observed distribution mm^4/m^3 moment4 ( time )
Moment 5 from the observed distribution mm^5/m^3 moment5 ( time )
Moment 6 from the observed distribution mm^6/m^3 moment6 ( time )
Number density 1(m^3 mm) num_density ( time, drop_diameter )
Number of drops per bin unitless num_drops ( time, drop_diameter )
Quality check results on field: Diameter of largest drop observed unitless qc_diameter_max ( time )
Quality check results on field: Diameter of smallest drop observed unitless qc_diameter_min ( time )
Quality check results on field: Estimated Marshall-Palmer intercept parameter unitless qc_intercept_parameter ( time )
Quality check results on field: Liquid water content unitless qc_liquid_water_content ( time )
Quality check results on field: Liquid water distribution mean, assuming an ideal Marshall-Palmer type distribution unitless qc_liquid_water_distribution_mean ( time )
Quality check results on field: Median volume diameter, assuming an ideal Marshall-Palmer type distribution unitless qc_median_volume_diameter ( time )
Quality check results on field: Number density unitless qc_num_density ( time, drop_diameter )
Quality check results on field: Number of drops per bin unitless qc_num_drops ( time, drop_diameter )
Quality check results on field: Rain amount unitless qc_rain_amount ( time )
Quality check results on field: Rain rate unitless qc_rain_rate ( time )
Quality check results on field: Estimated Marshall-Palmer slope parameter unitless qc_slope_parameter ( time )
Quality check results on field: Sum of num_drops unitless qc_total_drops ( time )
Radar reflectivity mm^6/mm^3 radar_reflectivity ( time )
Rain amount mm rain_amount ( time )
Rain rate mm/hr rain_rate ( time )
Estimated Marshall-Palmer slope parameter 1/mm slope_parameter ( time )
Time offset from midnight time ( time )
Time offset from base_time time_offset ( time )
Sum of num_drops unitless total_drops ( time )

Locations

Southern Great Plains
SGPC1Browse DataCentral Facility, Lamont, OK
Tropical Western Pacific
TWPC1Browse DataCentral Facility, Manus I., PNG
TWPC3Browse DataCentral Facility, Darwin, Australia
ARM Mobile Facility
GANM1Browse DataGan Airport, Gan Island, Maldives
TMPM1Browse DataU. of Helsinki Research Station (SMEAR II), Hyytiala, Finland; AMF2

Contact(s)

Mary Jane Bartholomew
(631) 344-2444
bartholomew@bnl.gov