tion of about 2000 m MSL. These mountain chains constitute the southern edge of the Los Padres National Forest. Immediately to the east, the Santa Paula Ridge presents the highest peak of 1511 m MSL. To the west, the Santa Ynez Mountains extending in the west-east direction feature several peaks of about 1500 m MSL. To the south, a small South Mountain separates Sulphur Mountain, at an elevation of 829 m, from the coastal Santa Monica Mountains that reach elevations greater than 800 m MSL.
The surrounding orography causes blockage of the beam from the Sulphur Mountain NEXRAD in some directions, especially to the north. A west-east mountain range 10 km to the north of the radar essentially blocks the lower elevation angles over a considerable sector extending from about