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Super Typhoon Omar (international designation: 9215, JTWC designation: 15W, PAGASA name: Lusing)...

Super Typhoon Omar (international designation: 9215, JTWC designation: 15W, PAGASA name: Lusing) was the 15th tropical depression, the 15th named storm, and the 9th typhoon of the 1992 Pacific typhoon season. It caused 2 deaths in Taiwan and $457 million (1992 USD, $618.9 million 2005 USD) in damage. After an active early part to August, the monsoon trough re-established itself to spawn an area of convection near the Marshall Islands on August 20. It tracked westward, and slowly organized into Tropical Depression 15W four days later. Another monsoon depression to 15W's west caused some vertical shear due to its large outflow, but it still managed to become Tropical Storm Omar on the night of August 24. The other monsoon depression, which became Tropical Storm Polly, moved far enough to the west to allow Omar to slowly strengthen. Had the shear from Polly continued, Omar might not have made it past tropical storm strength, but it held together and became a typhoon on August 27. As the cyclone neared Guam, Omar quickly intensified, and reached winds of 115 mph. On the afternoon of August 28, the typhoon crossed Guam, and continued to the west-northwest. On the following evening, the