_ 8 _ Airmet Alfa 8, issued at 1630, amplified the earlier warning in part as follows: Extreme Southern Nevada and Southern California interior regions terrain occasionally obscured above 3,500 feet by clouds and preCipitation. Conditions continuing beyond 2100.
The 1700 USWB surface weather observation at Palm Springs was 3,000 feet scattered clouds, estimated 5,000 feet overcast, ViSibility 15 miles, light drizzle, temperature 57 degrees, wind calm, altimeter setting 30.02, ceiling lower west.
The last known weather briefing of the pilot occurred at 1301, when he was briefed on the current and forecast weather and winds aloft.
1.8 Aids to Navigation
There were no reported discrepanCies With any of the radio naVigation aids in the area. 1.9 Communications
There were no communications problems Wlth the flight until they did not answer the Thennal FSS specialist, and there were no further transmissions from the flight.
1.10 Aerodrome and Ground Facilities
The Palm Springs muniCipal Airport is apprOXimately 2.5 miles east of Ialm Springs, California, at an elevation of 4&8 feet. It is Situated in an approximate 10-mile Wide valley With terrain riSing above 5,000 feet m.s.l. in all quadrants around the airport, except the southeast. In this direction the valley Widens progreSSively into the low; flat terrain of the Imperial
