WVPR31 SPIM 021852 SPIM SIGMET NUM VALID DDHHMM/DDHHMM SPIM- SPIM LIMA FIR VA ERUPTION MT NEVADOS PSN S3651 W07122 VA CLD OBS AT NOT IDENTIFIABLE FM SATELLITE DATA WI S3651 W07122 - S3651 W07122 - S3651 W07122 AND WI 270/35KT - FL160 260/50KT SFC/XXX FCST AT 0030Z VA CLD WI NOT AVBL =