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4 Sept. 1600 UTC Namtheun Typhoon Nagasaki 7 day rainfall Sendai NPS
Typhoon Namtheum and 7 Day Rainfall (Sendai Nuclear Power Station area, pink, approximately 457 mm, 18 in). Red Star is recent (Aug. 31st) M 5.1 Earthquake. Nuclear Power Stations: Orange Skulls.

Reuters newsfeed says: “Japan’s Kyushu Elec rebuffs governor’s call to halt nuke plant Posted:Mon, 05 Sep 2016 01:14:49 -0400
TOKYO, Sept 5 (Reuters) – Japanese utility Kyushu Electric Power on Monday rebuffed a call by a local governor to temporarily close its Sendai nuclear plant, saying it would address any new safety concerns in a special inspection to be launched from next month
“. http://feeds.reuters.com/~r/reuters/utilitiesNews/~3/Ek9Q1mv7JzQ/japan-nuclear-kyushu-elec-pwr-idUSL3N1BH1XP

However, the Reuters article goes on to explain that Sendai reactor No. 1 will be shutdown for maintenance on October 6th and No. 2 on December 16th. Kyushu Electric says that they plan to inspect the nuclear power station at that time for any damage from the large earthquakes last spring, in order to reassure people. While the new Governor Mitazono cannot force shutdown of the Sendai nuclear power station, according to Reuters, Kyushu Electric cannot restart the Sendai reactors without his consent once they stop them for maintenance. Assuming that Reuters is accurate, it would appear that they will be permanently shut-down in at the beginning of October, mid December, respectively, barring a major accident prior to that time. The two reactors at Sendai Nuclear Power Station and one reactor at the Ikata Nuclear Power Station are the only ones operating right now, says Reuters.

According to the Japan Times, Typhoon Namtheun made landfall in Nagasaki a little after 1 am on Monday morning. Although Namtheun’s winds were only 64.8 km per hr, Japan’s weather agency still warned “of strong winds, heavy rain, mudslides and river floods.” In Iwaizumi, which was so badly impacted by torrential rainfall from Typhoon Lionrock, sixteen people have been confirmed dead with six still missing. Over six hundred people were still cutoff, with 140 airlifted out by the “Self-Defense” forces. Rescue of almost two hundred in Kuji, Iwate was postponed due to the weather. Read “Typhoon Namtheun makes landfall in Nagasaki, prompting wind, mudslide, flood warnings” Kyodo, JiJi Sep 5, 2016 here: http://www.japantimes.co.jp/news/2016/09/05/national/typhoon-namtheun-makes-landfall-nagasaki-prompting-wind-slide-flood-warnings/

Recent earthquakes in the region act as a reminder of ever-present earthquake, tsunami and volcano risk, as reported by the USGS:
5.015km NW of Uto, Japan
 2016-08-31 21:33:50 (UTC)
10.0 km

5.110km W of Uto, Japan 
2016-08-31 10:46:02 (UTC)
10.0 km

A small M 2.2 occurred in the area at 05:06 JST 05 Sep 2016, as reported by Japan’s Meteo Agency: http://www.jma.go.jp/en/quake/20160905050941495-050506.html

Some Discussion of the various hazards:

NASA' Terra satellite Sept. 2  02:20 UTC Typhoon Namtheun moving thru  Japan's Ryukyu Island chain. Credits: NASA Goddard MODIS Rapid Response; Color Enhanced by MA
(Color Enhanced from BW. Original BW Found at Link Below)
From NASA: “Sept. 2, 2016 Namtheun (Formerly 15W – Northwest Pacific)
NASA Sees Typhoon Namtheun Moving Through Japan’s Ryukyu Islands

NASA’s Terra satellites provided a visible view of Typhoon Namtheun when it was moving through Japan’s Ryukyu Islands. Namtheun is expected to make landfall in Japan’s large island of Kyushu on Sept. 3.

The Moderate Resolution Imaging Spectroradiometer or MODIS instrument aboard NASA’s Terra satellite passed over Namtheun on Sept. 2 at 02:20 UTC (Sept. 1 at 10:30 p.m. EDT) when it was moving through Japan’s Ryukyu Islands. Japan’s Ryukyu Islands is a series of islands in what appears to be an arc. The chain of islands stretch southwest from Kyushu to Taiwan. The image showed that Namtheun had a small eye surrounded by a thick band of powerful thunderstorms.

At 1500 UTC (11 a.m. EDT) on Sept. 1 Typhoon Namtheun had maximum sustained winds near 115 mph (100 knots/185 kph). The center of the storm was located near 28.1 degrees north latitude and 130.8 degrees east longitude, about 323 nautical mile south of Sasebo, Japan. Namtheun was moving to the north at 7 mph (6 knots/11 kph).

The Joint Typhoon Warning Center (JTWC) forecast calls for Namtheun to track to the north and make landfall on Sept. 3 on Kyushu, the southwestern-most of Japan’s main islands. The storm is then expected to move to the north-northeast and weaken as it travels through the Sea of Japan.

For updated warnings and watches, visit the Japan Meteorological Agency website: http://www.jma.go.jp/en/typh/.
Rob Gutro
NASA’s Goddard Space Flight Center