Fig. 2.

(a) Domain coverage of the 12-km California (D1) and 4-km Southern California (D2) grids with terrain height; and (b) the location of pollen sampling sites (red) and the AWS sites (blue).

(a) Domain coverage of the 12-km California (D1) and 4-km Southern California (D2) grids with terrain height; and (b) the location of pollen sampling sites (red) and the AWS sites (blue).