Rare Japanese tornado kills 1, injures 48

By: Dr. Jeff Masters , 1:28 PM GMT on May 07, 2012

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A rare strong tornado ripped through Ibaraki Prefecture in eastern Japan 30 miles northeast of Tokyo on Sunday, killing a teenage boy, injuring 48 people, and damaging or destroying 890 buildings. The tornado carved a path of destruction 15 km long and 500 meters wide, said the Japan Meteorological Agency. The tornado was given a preliminary rating of F-2, with winds of 113 - 157 mph (Japan uses the traditional "F" scale to rate tornadoes, not the "EF" scale used in the U.S.) The tornado also damaged homes in a housing complex in Tsukuba where 20 people from seven families from Fukushima Prefecture had evacuated following the nuclear crisis at the Fukushima Daiichi power plant, caused by the earthquake and tsunami of March 2011. I bet those families are feeling disaster-prone!


Video 1. A rare tornado in Japan hits approximately 30 miles northeast of Tokyo on May 6, 2012.

Japan's tornado climatology
Tornadoes are rare in Japan, due to the fact the nation is surrounded by ocean, which tends to stabilize the air. Between 1961 - 2010, an average of 15 tornadoes per year hit Japan, according to the Japan Meteorological Agency. Only four F-3 tornadoes have hit Japan. The most recent F-3 hit on November 7, 2006, in the Wakasa area of Saroma, Hokkaido. Nine people died and 26 were injured. Over 30 buildings, including a dwelling, warehouses and temporary structures were damaged or destroyed. No violent F-4 or F-5 tornadoes have been recorded in Japan, according the Japan Meteorological Agency, though other sources list a December, 1990 tornado as having been an F-4. Wunderground's weather historian Christopher C. Burt has more details in his latest post, Deadliest Tornadoes. Only one F-2 tornado hit Japan in both 2010 and 2011. A 1997 study published in the Journal of Climate found that Japanese tornadoes occurred most frequently in September and least frequently in March, and that typhoons were responsible for about 20% of all the tornadoes. A list of Asian tornado outbreaks maintained at Wikipedia lists the deadliest Japanese tornado as one on 6 September, 1881, which killed 16 people.


Figure 1. Distribution of tornadoes in Japan, 1961 - 2010. Image credit: Japan Meteorological Agency.

Jeff Masters

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Quoting Tropicsweatherpr:


That is very interesting as the uptick has been solid because it was around the -8 area.

Yeah, that's a large upswing over the past week or so
Member Since: November 6, 2010 Posts: 12 Comments: 8418
351. Tazmanian
12:32 AM GMT on May 08, 2012
Quoting WunderBlogAdmin:
Hello WU Bloggers,
It looks like some of you are getting off-topic. Maybe some of you are unaware, but Dr. Masters' blog is subject to stricter standards than other blogs in our community.

Members who do not adhere to these guidelines will be subject to a ban from participation in the blogs. Please review our Community Standards and Rules Of the Road.
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WunderBlogAdmin i wish you ues this on JFV the next time he bypass a bannd of yours

Troll Wipe - This is the most extreme action an Admin can take, and it is reserved for flagrant, repetitive violations of the Terms of Service. This will remove the user completely, making it impossible for them to access that member handle again.
Member Since: May 21, 2006 Posts: 5091 Comments: 115437
350. PRweathercenter
12:32 AM GMT on May 08, 2012
That tornado was amazing !
Member Since: July 21, 2010 Posts: 60 Comments: 1011
349. WxGeekVA
12:31 AM GMT on May 08, 2012
Quoting WunderBlogAdmin:
Hello WU Bloggers,
It looks like some of you are getting off-topic. Maybe some of you are unaware, but Dr. Masters' blog is subject to stricter standards than other blogs in our community.

Members who do not adhere to these guidelines will be subject to a ban from participation in the blogs. Please review our Community Standards and Rules Of the Road.
You can also find general blog support information here.

I hope that this information will help us all enjoy Weather Underground and our blogging community to the fullest!

Thank You!


You all heard the man/woman! Back on topic to all of this exciting.....weather.... Ummm.... Yeah....
Member Since: September 3, 2011 Posts: 13 Comments: 3477
348. nigel20
12:31 AM GMT on May 08, 2012
Quoting weatherh98:


Woah! That a surprise I'm thinking that this may cause a prolonged neutral event

Could be, but lets wait and see
Member Since: November 6, 2010 Posts: 12 Comments: 8418
346. weatherbro
12:30 AM GMT on May 08, 2012
Weird...Models want to bring a southern-stream cold front through Florida Monday night. Then merge it with a northern-stream system by the middle of next week. If so, this will be a first for the month of May!!!
Member Since: May 26, 2007 Posts: 47 Comments: 1371
345. GeoffreyWPB
12:28 AM GMT on May 08, 2012
Quoting caneswatch:


A lot of people post off-topic and they still don't do anything.


I guess they are cracking down now. No more Rick Astley videos :(
Member Since: September 10, 2007 Posts: 0 Comments: 11516
344. Tropicsweatherpr
12:27 AM GMT on May 08, 2012
Quoting nigel20:
The SOI is now in positive territory...lets see how long this trend will last


That is very interesting as the uptick has been solid because it was around the -8 area.
Member Since: April 29, 2009 Posts: 75 Comments: 14764
343. caneswatch
12:27 AM GMT on May 08, 2012
Quoting weatherh98:


Thanks for stopping this madness!


A lot of people post off-topic and they still don't do anything.
Member Since: October 8, 2008 Posts: 14 Comments: 4553
342. weatherh98
12:25 AM GMT on May 08, 2012
Quoting nigel20:
The SOI is now in positive territory...lets see how long this trend will last


Woah! That a surprise I'm thinking that this may cause a prolonged neutral event
Member Since: June 17, 2011 Posts: 11 Comments: 6539
341. GeoffreyWPB
12:25 AM GMT on May 08, 2012
West Boca funnel around 6 p.m.

Member Since: September 10, 2007 Posts: 0 Comments: 11516
340. weatherh98
12:25 AM GMT on May 08, 2012
Quoting WunderBlogAdmin:
Hello WU Bloggers,
It looks like some of you are getting off-topic. Maybe some of you are unaware, but Dr. Masters' blog is subject to stricter standards than other blogs in our community.

Members who do not adhere to these guidelines will be subject to a ban from participation in the blogs. Please review our Community Standards and Rules Of the Road.
You can also find general blog support information here.

I hope that this information will help us all enjoy Weather Underground and our blogging community to the fullest!

Thank You!


Thanks for stopping this madness!
Member Since: June 17, 2011 Posts: 11 Comments: 6539
339. nigel20
12:24 AM GMT on May 08, 2012
The SOI is now in positive territory...lets see how long this trend will last
Member Since: November 6, 2010 Posts: 12 Comments: 8418
338. trHUrrIXC5MMX
12:23 AM GMT on May 08, 2012
from NHC:

RE-ANALYSIS OF 1931 TO 1935 ATLANTIC HURRICANE SEASONS COMPLETED

A complete re-analysis of the Atlantic hurricane database (HURDAT) was conducted for the 1931 to 1935 seasons. All 58 existing tropical storms and hurricanes were revised in their tracks and maximum winds.

15 new tropical storms were discovered and added into HURDAT, while four existing systems were removed. This era also recorded one of the busiest hurricane seasons (1933) on record with 20 tropical storms observed, 11 of which became hurricanes. Originally, HURDAT listed 21 tropical storms for that year, 10 of which were hurricanes. In the reanalysis of 1933, two new tropical storms were discovered, two existing cyclones were removed from the database as they did not reach tropical storm intensity, and two existing storms were found to be one continuous system.
Member Since: April 23, 2011 Posts: 104 Comments: 14873
337. WunderBlogAdmin (Admin)
12:23 AM GMT on May 08, 2012
Hello WU Bloggers,
It looks like some of you are getting off-topic. Maybe some of you are unaware, but Dr. Masters' blog is subject to stricter standards than other blogs in our community.

Members who do not adhere to these guidelines will be subject to a ban from participation in the blogs. Please review our Community Standards and Rules Of the Road.
You can also find general blog support information here.

I hope that this information will help us all enjoy Weather Underground and our blogging community to the fullest!

Thank You!
336. trHUrrIXC5MMX
12:19 AM GMT on May 08, 2012
Quoting cyclonekid:
Apparently I skipped this part when I read the PDF from the National Hurricane Center. This should be really interesting. I'm curious to see how they will handle it.

"In 2012, NHC will be working behind the scenes on potential enhancements to products and services. These planned in-house (non-public) experiments include extending tropical cyclone track and intensity forecasts out to seven days from the current five-day period, extending tropical cyclone formation forecasts out to five days from the current 48 hours, creation of track and intensity forecasts for disturbances with a high chance of formation, and the issuances of tropical cyclone warnings prior to the formation of a cyclone."

The last one may spark drama on the blog ;)


very interesting...can't wait
Member Since: April 23, 2011 Posts: 104 Comments: 14873
335. wilsongti45
12:12 AM GMT on May 08, 2012
Quoting presslord:
Is this a product of divine Creation? Or some horribly malfunctioning evolutionary process? Please discuss..


Hahaha...I've lurked around enough to know who that is. I vote none of the above.
Member Since: February 20, 2012 Posts: 0 Comments: 174
334. aspectre
12:10 AM GMT on May 08, 2012
258 PlazaRed: The final truth, by its very nature, will be true! As there will be no rumour in that truth?
[paraphasing]
"Space, the Final Frontier... ::needle-across-record Scratch-screech:: "
"What do you mean, 'final frontier'? If it's the final frontier, what's it in front of? Tell me that, why don't you."
-- Terry Pratchett's version of Godel's Incompleteness Theorem

Of course, it could turn out that the Universe is completely trivial.

Member Since: August 21, 2007 Posts: 0 Comments: 4860
333. cyclonekid
12:06 AM GMT on May 08, 2012
Apparently I skipped this part when I read the PDF from the National Hurricane Center. This should be really interesting. I'm curious to see how they will handle it.

"In 2012, NHC will be working behind the scenes on potential enhancements to products and services. These planned in-house (non-public) experiments include extending tropical cyclone track and intensity forecasts out to seven days from the current five-day period, extending tropical cyclone formation forecasts out to five days from the current 48 hours, creation of track and intensity forecasts for disturbances with a high chance of formation, and the issuances of tropical cyclone warnings prior to the formation of a cyclone."

The last one may spark drama on the blog ;)
Member Since: July 14, 2009 Posts: 51 Comments: 1731
332. presslord
12:05 AM GMT on May 08, 2012
Quoting Barefootontherocks:
Lifted from Henry Morris as quoted near the top of this page at Talk Origins dot com This comment (252, I believe) was apparently modified after I quoted it.

Tribucanes at comment 151..
All facts of observation support the concept of the original creation of distinct kids of organisms, each with a genetic ability to develop into many different varieties but never into a new kind.Lifted word for word from a book, The Honest Truth by Howard Eugene Wright.

I don't begrudge you your beliefs. I hope you understand when I say I believe it is wrong not to credit the true authors of the words you post here. Even if you paraphrase them it is best to credit their thoughts. Unless, of course, you are they.


Bus. ted.
Member Since: August 13, 2007 Posts: 0 Comments: 10492
331. weatherh98
12:04 AM GMT on May 08, 2012
Getting nasty in sela
Member Since: June 17, 2011 Posts: 11 Comments: 6539
330. nigel20
12:02 AM GMT on May 08, 2012
Good evening fellow bloggers
Member Since: November 6, 2010 Posts: 12 Comments: 8418
329. GeoffreyWPB
12:01 AM GMT on May 08, 2012
Member Since: September 10, 2007 Posts: 0 Comments: 11516
328. Barefootontherocks
12:00 AM GMT on May 08, 2012
Quoting Tribucanes:
Some have attempted to circumvent the witness of the Two Laws against evolution by arguing that the earth is an "open system" and the sun's energy is great enough to offset their effects. However, all systems in the world are "open" in some degree to the sun's energy, so this in itself is no argument. There is a universal tendency for all systems to go from order to disorder, as stated in the Second Law, and this tendency can only be arrested and reversed under very special circumstances. Disorder can never produce order through any kind of random process. There must be present some form of CODE or PROGRAM to direct the ordering process, and this code must contain at least as much "information" as is needed to provide this direction.
Furthermore, there must be present some kind of mechanism for converting the environmental energy into the energy required to produce the higher organization of the system involved. Even if there is enough energy from the sun in the environment, it will not automatically transform itself into some kind of orderly structural growth in a system. There must be an efficient and powerful energy converter present if the work is to be done.
Thus, any system that experiences even a temporary growth in order and complexity must not only be "open" to the sun's energy, but must also contain a "program" to direct the growth and a "mechanism" to energize the growth. Otherwise the system will merely disintegrate and die, regardless of the sun's energy.
Lifted from Henry Morris as quoted near the top of this page at Talk Origins dot com This comment (252, I believe) was apparently modified after I quoted it.

Tribucanes at comment 151..
All facts of observation support the concept of the original creation of distinct kids of organisms, each with a genetic ability to develop into many different varieties but never into a new kind.
Quoting presslord:


Lincoln, again?
Quoting Tribucanes:
try me and common sense wrote that one. Based on scientific fact. Maybe you should check it out and see if what I just stated is in fact true.
Lifted word for word from a book, The Honest Truth by Howard Eugene Wright.

I don't begrudge you your beliefs. I hope you understand when I say I believe it is wrong not to credit the true authors of the words you post here. Even if you paraphrase them, it is best to credit their thoughts. Unless, of course, you are they.
Member Since: April 29, 2006 Posts: 157 Comments: 19220
327. PedleyCA
12:00 AM GMT on May 08, 2012
Quoting presslord:
Is this a product of divine Creation? Or some horribly malfunctioning evolutionary process? Please discuss..


Are you try to blind us all. rotflmao
Member Since: February 29, 2012 Posts: 0 Comments: 6092
326. GeoffreyWPB
11:58 PM GMT on May 07, 2012
Member Since: September 10, 2007 Posts: 0 Comments: 11516
325. DavidHOUTX
11:56 PM GMT on May 07, 2012
Quoting presslord:
Is this a product of divine Creation? Or some horribly malfunctioning evolutionary process? Please discuss..


That has to be Bastardi lol
Member Since: August 18, 2011 Posts: 0 Comments: 635
324. PedleyCA
11:54 PM GMT on May 07, 2012
Quoting CybrTeddy:
I think KoritheMan would approve of my new avatar.

Same with anyone who grew up in the 80s.


I like it. Wish we could get some of these Generic ones filled up.
Member Since: February 29, 2012 Posts: 0 Comments: 6092
323. pcola57
11:53 PM GMT on May 07, 2012
Quoting presslord:
C'mon, y'all!! Surely one of you recognizes who that is...


" I'll be bach"...LOL..
Member Since: August 13, 2009 Posts: 13 Comments: 6911
322. NCHurricane2009
11:49 PM GMT on May 07, 2012
http://www.nhc.noaa.gov/news/20120507_pa_reanalys is1935.pdf

The NHC released the re-analysis of the 1930 to 1935 Ataltnic seasons. The famous 1933 season (21 storms) now only had 20 storms after some revisions...

Only news interesting in the Atlantic tropics today...
Member Since: September 15, 2009 Posts: 539 Comments: 3712
321. ILwthrfan
11:39 PM GMT on May 07, 2012

Quoting presslord:
C'mon, y'all!! Surely one of you recognizes who that is...
It's pretty obvious...
Member Since: February 2, 2010 Posts: 0 Comments: 1539
320. presslord
11:37 PM GMT on May 07, 2012
C'mon, y'all!! Surely one of you recognizes who that is...
Member Since: August 13, 2007 Posts: 0 Comments: 10492
319. weatherh98
11:36 PM GMT on May 07, 2012
My dad and sister have some nice pictures of the outflow boundary
Member Since: June 17, 2011 Posts: 11 Comments: 6539
318. ILwthrfan
11:36 PM GMT on May 07, 2012

Quoting WxGeekVA:
The guy is the climate change of which we have caused.
The globe is our planet and the weather patterns.
And the child is all of us, all 7 billion humans who will feel the effects of our actions.


hahahah...Wow two in one day impressive WxGeekVA.
Member Since: February 2, 2010 Posts: 0 Comments: 1539
316. caribbeantracker01
11:34 PM GMT on May 07, 2012
Quoting presslord:
Is this a product of divine Creation? Or some horribly malfunctioning evolutionary process? Please discuss..


thats just nasty! lol jkin
Member Since: May 21, 2008 Posts: 0 Comments: 556
315. GeorgiaStormz
11:34 PM GMT on May 07, 2012
Quoting presslord:
Is this a product of divine Creation? Or some horribly malfunctioning evolutionary process? Please discuss..


The first part of his name tells you all you need to know about him. :)
Member Since: February 11, 2012 Posts: 0 Comments: 9746
312. DavidHOUTX
11:25 PM GMT on May 07, 2012
Quoting bappit:
From the hazardous weather outlook for Houston area:

A POTENT UPPER LEVEL STORM SYSTEM WILL BRING A GOOD CHANCE OF RAIN TO THE REGION THURSDAY NIGHT INTO FRIDAY. AT THIS THE TIME...THE PRIMARY SEVERE WEATHER HAZARD WILL BE LOCALLY HEAVY RAIN.


BRING IT ON!!!!!!!!!!
Member Since: August 18, 2011 Posts: 0 Comments: 635
311. bappit
11:21 PM GMT on May 07, 2012
From the hazardous weather outlook for Houston area:

A POTENT UPPER LEVEL STORM SYSTEM WILL BRING A GOOD CHANCE OF RAIN TO THE REGION THURSDAY NIGHT INTO FRIDAY. AT THIS THE TIME...THE PRIMARY SEVERE WEATHER HAZARD WILL BE LOCALLY HEAVY RAIN.
Member Since: May 18, 2006 Posts: 10 Comments: 6147
310. DavidHOUTX
11:16 PM GMT on May 07, 2012
Member Since: August 18, 2011 Posts: 0 Comments: 635
309. SubtropicalHi
11:14 PM GMT on May 07, 2012
Quoting MississippiWx:
Well, I was trying to finish mowing the yard until a thunderstorm developed on top of me. These summer-type thunderstorms are odd. It got dark and windy, so I went inside. Well, it didn't rain until I was about to go back outside...in the bright as day sunlight. In other words, it didn't rain until the sun started shining (poured is a better word). Anyway, the sun is still shining and it's still raining. While I'm waiting for it to get cloudy, I'll show you guys some cool pictures I took yesterday on my farm land about 30 minutes south of here.

This one is an awesome picture of a massive thunderstorm SE of my location. I believe it was severe-warned...I can see why:



And here is another one about an hour later of a shelf-cloud moving in from the East. A line of storms came in from Alabama and this is what it looked like when it reached my location:



All I can say is that you've gotta love summer-time thunderstorms!


That's some yard! Looks more like the 100 acre woods. Love it!
Member Since: June 27, 2010 Posts: 1 Comments: 377
308. presslord
11:11 PM GMT on May 07, 2012
Quoting wilsongti45:


To start off I'm confused...

I do feel there is a conflict between religion and science. I know this isn't a philosophy message board but I was just commenting on what was being discussed at the moment I happened to be on here. Meteorology and climatology are disciplines of science and depend on the scientific method for validation. I don't wish to cause a riot on here. If anyone would like to debate just message me. You all seem like smart people and I find this stuff interesting!


I see none at all...neither does the Vatican...
Member Since: August 13, 2007 Posts: 0 Comments: 10492
307. DavidHOUTX
11:11 PM GMT on May 07, 2012
Quoting RitaEvac:
Texas storm

http://radar.weather.gov/radar.php?rid=crp&pr oduc t=N0R&overlay=11101111&loop=yes


I see what you did there!
Member Since: August 18, 2011 Posts: 0 Comments: 635
306. HadesGodWyvern (Mod)
11:08 PM GMT on May 07, 2012
298. CybrTeddy 10:43 PM GMT on May 07, 2012
I think KoritheMan would approve of my new avatar.

Same with anyone who grew up in the 80s.


reminds me of "Vava" from the mega man series and nothing else. =P
Member Since: May 24, 2006 Posts: 52 Comments: 46541
305. wilsongti45
11:06 PM GMT on May 07, 2012
Quoting presslord:
I'm a little foggy here...Is the argument Creation vs. Evolution? they don't have to be in conflict...or...Do you just enjoy the experience of pounding on the keys and pressing 'post'?


To start off I'm confused...

I do feel there is a conflict between religion and science. I know this isn't a philosophy message board but I was just commenting on what was being discussed at the moment I happened to be on here. Meteorology and climatology are disciplines of science and depend on the scientific method for validation. I don't wish to cause a riot on here. If anyone would like to debate just message me. You all seem like smart people and I find this stuff interesting!
Member Since: February 20, 2012 Posts: 0 Comments: 174
304. gordydunnot
11:04 PM GMT on May 07, 2012
Al tough, I have managed to rack up a couple of bands some times emotions they do rule.
Member Since: August 18, 2008 Posts: 0 Comments: 3113

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Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.

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