Interpretation of PPI Velocity Displays in Widespread Storms.
Abstract
AFGL's Porcupine Doppler radar observed several New England winter storms, both snow and rain. A pulse-pair processor, linked to a color display, provided contours of the mean velocity structure within these storms. The data were recorded on digital tape, and subsequently played back on the color display for further viewing and analysis. Six hypothetical wind fields were transformed into PPI pictures analogous to those produced by the Doppler radar. They provided a basis for interpreting the measured wind fields. Rawinsondes launched close to the radar site provided data which, when similarly transformed were readily comparable to the radial velocity fields generated by the radar. The characteristics of these velocity fields are discussed. Reference is made to individual synoptic situations, their change with time, and the Doppler radar's portrayal of these events. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 07, 1976
- Accession Number
- ADA033898
Entities
People
- Michael J. Kraus
- Ralph J. Donaldson Jr.
Organizations
- Air Force Research Laboratory