THE WORK INCLUDES THE FOLLOWING TASKS: PREPARATION OF CUSTOM VALUE-ADDED PRODUCTS FROM OPERATIONAL RADAR DATA SETS FOR MISSION PLANNING AND NOWCASTING SUPPORT INCLUDING VELOCITY WAVE DETECTION AND REFLECTIVITY BAND MOTIONS. FIELD DEPLOYMENT MISSION SUPPORT IN IMPACTS OPERATIONS CENTER INCLUDING NOWCASTING. ANALYSIS OF GROUND-BASED MICROPHYSICS MEASUREMENTS AT STONY BROOK NY INCLUDING MULTI- ANGLE SNOWFLAKE CAMERA AND SNOWFLAKE MASS SENSOR TO IMPROVE STATISTICAL REPRESENTATIONS OF ICE AND PARTIALLY MELTED PARTICLE CHARACTERISTICS IN SATELLITE RETRIEVALS. 4D (3D AND TIME) MULTI-SCALE SYNTHESIS OF AIRBORNE AND GROUND-BASED OBSERVATIONS WITH EMPHASIS ON AIR MASS BOUNDARIES GENERATING CELLS AND MESOSCALE PRECIPITATION BANDS. EXAMINE PREVALENCE OF MIXTURES OF SNOW PARTICLE HABITS AND DEGREES OF RIMMING RELATIVE TO REGIONS WITH MORE HOMOGENOUS PARTICLE CHARACTERISTICS AND WHERE REGIONS WITH THESE DIFFERING CHARACTERISTICS OCCUR WITHIN STORM STRUCTURES. EXAMINE RELATIONSHIPS AMONG GENERATING CELLS ATMOSPHERIC GRAVITY WAVES AND MESOSCALE PRECIPITATION BANDS.