2. In Min-Max Rng specify the radius of the product, starting at a point close to the radar
and ending at some distance away from the radar.
Wind vectors are computed only within this range.
3. In Min-Max Height define the layer from which the radial velocity information is taken
to produce the wind vectors.
Because vertical shear can be substantial, Vaisala recommends that this layer be ~1 km
(~0.6 mi).
4. In Range and Azimuth Spacing, define the resolution for computing the wind vectors in
polar coordinates.
For example, if the Range Spacing is set to 10 km (6.2 mi) and the Azimuth Spacing is
set to 45°, a wind vector is computed over the Min-Max Range every 45° in azimuth
and 10 km (6.2 mi) in range.
5. Set the Sector Length and Width values.
Each wind vector is computed at the center of a sector which is defined by the Sector
Length (or range) in km and the sector width (or azimuth) in degrees.
You can set the Range and Azimuth Spacing so the sectors overlap.
Vaisala recommends that the sector width be ~60°.
6. In Defaults, set all fields in this menu to their default values.
More information
‣
Display Parameters (page 27)
‣
Product Parameters (page 23)
‣
Associating Products with Tasks (page 17)
‣
WIND and FCAST Output Options (page 257)
Chapter 3 – Configuring IRIS Products
RESTRICTED 109
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