Showing posts with label TYPHOON HAGUPITL. Show all posts
Showing posts with label TYPHOON HAGUPITL. Show all posts

Thursday, December 4, 2014

"TYPHOON HAGUPIT CONTINUES TO INTENSITY"

FROM:  NASA 

Right:  NASA's Terra satellite captured this visible image of Tropical Storm Hagupit in the western Pacific Ocean on Dec. 1 at 00:05 UTC (7:05 p.m. EST, Nov. 30).  Image Credit: NASA Goddard MODIS Rapid Response

Typhoon Hagupit continues to intensify as it continued moving through Micronesia on Dec. 3 triggering warnings.

NASA's Aqua satellite passed overhead and captured an image of the strengthening storm while the Rapidscat instrument aboard the International Space Station provided information about the storm's winds.

The International Space Station-RapidScat instrument monitors ocean winds to provide essential measurements used in weather predictions, including hurricanes. "RapidScat measures wind speed and direction over the ocean surface and captured an image of Hagupit when it was a tropical storm on Dec 2 at 8:50 a.m. GMT," said Doug Tyler of NASA's Jet Propulsion Laboratory, Pasadena, California. "The growing storm, north of New Guinea and headed for the Philippines, already had 25 meters/second winds (50 knots/57.5 mph/92.6 kph)."

A typhoon and tropical storm warning are in effect in Micronesia, in addition to a typhoon watch as Hagupit marches through Micronesia on a west-northwesterly track. A typhoon warning is in effect for Yap and Ngulu in Yap state, and a typhoon watch and tropical storm warning is in effect for Kayangel in the Republic of Palau. In addition, a tropical storm warning is in effect for Koror in the Republic of Palau.

NASA's Aqua satellite captured a visible image of Typhoon Hagupit on Dec. 3 at 04:30 UTC (Dec. 2 at 11:30 p.m. EST) as it moved through Micronesia in the western Pacific Ocean. The image showed a concentration of strong thunderstorms around the center with bands of thunderstorms spiraling into it.

At 1500 UTC (10 a.m. EST) on Dec. 3, Typhoon Hagupit's maximum sustained winds had increased to 100 knots 115.1 mph/185.2 kph). Typhoon-strength winds extend 30 nautical miles (34.5 miles/55.5 km) out from the center, while tropical storm force winds extend up to 120 nautical miles (138 miles/222 km).

The typhoon was centered near 8.7 north longitude and 138.3 east latitude, just 91 nautical miles (104.7 miles/168.5 km) west-southwest of the island of Yap. The typhoon is kicking up very rough seas with wave heights to 34 feet (10.3 meters). It was moving to the west-northwest at 18 knots (20.7 mph/33.4 kph) and is expected to continue in that general direction.

Forecasters at the Joint Typhoon Warning Center (JTWC) expect that Hagupit will continue to move west-northwest through Micronesia while intensifying to a Category four typhoon on the Saffir-Simpson scale peaking at 130 knots (149.6 mph/240 kph) over the next two days before it starts to weaken. The JTWC forecast calls for the typhoon to turn to the northwest and stay to the east of the Philippines.


Image Credit: NASA Goddard MODIS Rapid Response

Dec. 02, 2014 - NASA Sees Typhoon Hagupit as Micronesia Posts Warnings
NASA's Aqua satellite captured a visible picture of Typhoon Hagupit in the western North Pacific Ocean on December 2, when several warnings were in effect for islands in Micronesia.

Micronesia warnings include a Typhoon Warning for Woleai, Yap and Ngulu in Yap state, a Typhoon Watch posted for Faraulep, Fais and Ulithi in Yap state, and a Tropical Storm Warning for Faraulep in Yap state.

When NASA's Aqua satellite passed over Hagupit on Dec. 2 at 03:45 UTC (Dec. 1 at 10:45 p.m. EST) the MODIS instrument took a visible picture of the storm that showed it had become much better organized over the previous day.

Powerful, high thunderstorms circled the center while bands of thunderstorms spiral in from the west, south and north.

At 1500 UTC (10 a.m. EST) on Dec. 2, Hagupit had become a Category One typhoon on the Saffir-Simpson wind scale with maximum sustained winds near 70 knots (80.5 mph/129.6 kph). Hagupit was centered near 6.2 north longitude and 142.7 east latitude, about 463 nautical miles (532.8 miles/857.5 km) south of Andersen Air Force Base, Guam. It was moving to the west at 17 knots (19.5 mph/31.8 kph) and generating high seas with waves up to 25 feet (7.6 meters).

Forecasters at the Joint Typhoon Warning Center forecast Hagupit to continue moving west-northwest through Micronesia and to intensify to 130 knots before weakening. The forecast track takes the center of Hagupit between Palau and Yap on Dec. 3 and toward the Philippines thereafter.

Weakening is not expected to begin until Dec. 6 so Hagupit is expected to maintain typhoon status through December 7.

Rob Gutro  NASA's Goddard Space Flight Center

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