Typhoon—(Continued from Page 1) American weather observers, however, doubted the storm was part of typh.oon June, still one day from Japan.)U.S. weather observers said the main force of the storm missed Okinawa, but that this j morning1 the island was being buffeted by 60-mil e-an-hoiirgusts from the edge of the typhoon. The island -has been alerted since. Friday, and Air Force units and military installations have battened down their buildings and equipment in anticipation of the high winds.Japanese weathermen are comparing the 600-mile-wide June to Typhoon Muroto which struck Japan in 1934, killing 2,863 persons and injuring 15,331, .