Friday, September 28, 2012

Typhoon Jelawat to Impact 100 Million People

By , Expert Senior Meteorologist
September 28, 2012; 5:33PM,EDT
 
 
 
 
 
Jelawat in the Western Pacific is forecast to curve across Okinawa and the Japan mainland, bringing flooding rain, monstrous seas and damaging winds.
According to World Weather Expert Jason Nicholls, "It has turned northward as forecast and is projected to turn northeastward this weekend with direct, dangerous impacts on Japan."
This image of Super Typhoon Jelawat was taken on Thursday, Sept. 27, 2012, and appears courtesy of NASA's Earth Observatory. According to the Philippines newspaper Zamboanga Today, outer bands of the large typhoon, known to locals as "Lawin," has caused flooding and forced evacuations in Zambo City.
As of Friday, Jelawat is no longer a super typhoon. Jelawat was cruising north-northeast of the island of Luzon in the Philippines Friday with maximum sustained winds of 130 mph and gusts to 160 mph. Estimated seas near and just northeast of the center of circulation were around 40 feet. The AccuWeather.com Hurricane Center has the latest statistics on Jelawat.
While not making a direct hit on Tawain, Jelawat has delivered over a foot of rain on some of the mountains in the islands as of Friday, Sept. 28, 2012, midday EDT.
Jelawat will track through progressively cooler waters and drier air. Both will work to weaken Jelawat somewhat before reaching the Ryukyu Islands, but the system will remain quite strong over deep warm water into the end of the week.
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Stronger steering-level winds farther north will not only begin to break down the storm as it moves along this weekend, but they will also turn Jelawat toward Japan and cause its forward speed to increase.

"People and interests in the Ryukyu Islands, including Okinawa, should be prepared for a direct hit with an accelerating tropical cyclone of typhoon or hurricane strength," Nichols said. "The islands can be subject to damaging winds in excess of 100 mph, dangerous surf and seas and torrential rain and flooding."
Impact will begin on the Ryukyu Islands has begun and will continue into the weekend.

By the time the system reaches the latitude of mainland Japan early next week, it may be a tropical storm or transitioning to a non-tropical system.
"Despite the projected weakening before hitting mainland Japan, the terrain may squeeze one to two feet of rain in some areas, potentially leading to major flooding," Nicholls added.

Tropical storm conditions are possible in Tokyo Sunday into Monday. If Jelawat were to track northwest of Tokyo, the city could be hit by damaging wind. If the storm were to pass just to the southeast of the city, the metro area could be hammered by flash and urban flooding.
Regardless, much of mainland Japan is heavily populated and there is the potential for damage and loss of life with Jelawat.
According to World Weather Expert, Jim Andrews earlier this week, "The projected path of Jelawat takes the worst weather east of Taiwan, but the island will experience rough seas, locally gusty winds and heavy rain on the windward facing mountainsides."
In addition to the risk to lives and property in the region, travel and shipping disruptions are possible in the proximity of the storm in the Philippine Sea region. Seas will remain rough in the region into early next week.
Ewiniar, a tropical storm as of midday Friday, was moving away from the small islands east of mainland Japan and also contributing to rough seas in the region.
The eye of Jelawat is clearly visible in the Western Pacific on Friday, Sept. 28, 2012. Ewiniar was spinning east of Japan. Image appears from the Joint Typhoon Warning Center.
Ewiniar is not a threat to mainland Japan and is helping to drag dry air southward in the path of Jelawat.
Okinawa was hit by typhoon Sanba during the middle of the month.
Jelawat is the second storm to reach the equivalent of a Category 5 hurricane in the Western Pacific this season. Sanba was the first.

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