Tropical Storm Talas (2011)

TalasTropical Storm TalasTyphoon Talasanother typhoonSevere Tropical Storm TalasSevere Tropical Storm Talas (2011)
Severe Tropical Storm Talas (formerly called Typhoon Talas), was an unusually large tropical cyclone that caused many deaths and severe damage to Japan.wikipedia
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2011 Pacific typhoon season

20112011 seasonMeari 2011
Both remnants of Talas and the outflow of Tropical Storm Noru together brought heavy rainfall of over 400 mm in Hokkaido.
Tropical Storm Talas and Typhoon Roke made landfall over in Japan and were the most destructive since 2009.

Typhoon Roke (2011)

Typhoon RokeRoke
Typhoon Roke (2011)
Typhoon Roke, known in the Philippines as Tropical Storm Onyok, was a powerful and persistent tropical cyclone that affected Japan, including some areas that had been damaged by another typhoon just a few weeks prior.

Typhoon Nangka (2015)

NangkaTyphoon Nangka
Typhoon Nangka (2015)
Tropical Storm Talas (2011)

Tropical cyclone

hurricanetropical stormhurricanes
It was the 12th named storm and the 7th severe tropical storm of the 2011 Pacific typhoon season.

Filipino language

FilipinoTagalogSpoken languages
The word Talas is a Filipino word meaning sharpness.

2011 Tōhoku earthquake and tsunami

2011 Tōhoku earthquakeTōhoku earthquake and tsunami2011 Tohoku earthquake and tsunami
It followed five months after Japan was hit by a large tsunami.

Japan Meteorological Agency

JMAJapan Meteorological Agency (JMA)Meteorological Agency
In post-analysis, the Japan Meteorological Agency (JMA) downgraded Talas from a minimal typhoon to a minimal severe tropical storm.

Low-pressure area

area of low pressurelow pressure arealow pressure
Late on August 22, an area of low pressure developed to the west of Guam.

1900 Pacific typhoon season

Guam🇬🇺GU
Late on August 22, an area of low pressure developed to the west of Guam.

Fujiwhara effect

Fujiwhara interactioninteractedinteraction
The JTWC originally anticipated a fujiwhara effect of Typhoon Nanmadol, a stronger tropical cyclone to the west of Talas.

Tropical upper tropospheric trough

tropical upper-tropospheric troughTUTTtropical upper tropospheric trough (TUTT)
A tropical upper tropospheric trough (TUTT) caused subsidance in the atmosphere which caused a disturbance in the outflow towards the northwest of the system.

Subsidence (atmosphere)

subsidencesubsidesatmospheric subsidence
A tropical upper tropospheric trough (TUTT) caused subsidance in the atmosphere which caused a disturbance in the outflow towards the northwest of the system.

Horse latitudes

subtropical ridgesubtropical anticyclonesubtropical high
Talas, being located in a very weak steering environment hardly moved in 24 hours and was effectively trapped between strong subtropical ridges and an anticyclone.

Anticyclone

anticyclonicanti-cycloneanticyclones
Talas, being located in a very weak steering environment hardly moved in 24 hours and was effectively trapped between strong subtropical ridges and an anticyclone. Talas was being steered by a mid-level anticyclone, a part of the developing omega block.

Atmospheric convection

convectionconvectiveconvective activity
Talas failed to strengthen for a very long time and remained loosely organized with all the convection located in the periphery.

Block (meteorology)

blockomega blockblocking high
Talas was being steered by a mid-level anticyclone, a part of the developing omega block.

Kansai region

KansaiKinkiKinki region
Soon, Talas turned towards the Kansai region of Japan maintaining intensity with cloud tops warming around the expansive, nearly cloud-free 140 nmi wide low level circulation center (LLCC).

Rainband

banding featuresouter bandsrainbands
The convective banding continued to expand more and more with the outer rainbands already brushing parts of Japan.

Kōchi Prefecture

KōchiKochiKochi Prefecture
On September 2, Talas accelerated towards Japan and started making landfall over Kōchi Prefecture, Japan.

Westerlies

westerlywesterly windsprevailing westerly winds
Talas maintained its large annulus with better poleward outflow enhanced by the strong mid latitude westerlies.

Aki, Kōchi

AkiAki CityNoradokei
After making landfall over Aki, Japan early on September 3, Talas moved into an area of moderate wind shear (15-20 knots) along the western edge of a deep-layered subtropical ridge with a mid-latitude trough approaching from the northwest.

Sea of Japan

East SeaJapanJapan Sea
Also, the mid-latitude trough located to the northwest of the system started to weaken, which made the JTWC anticipate Talas to turn northwestward and accelerate as it enters the Sea of Japan.

Weather front

frontal systemfrontal boundaryfront
Talas was embedded in a baroclinic zone and the JTWC anticipated an extratropical transition, which prompted them to issue their final warning on the system.

Extratropical cyclone

extratropicalextratropical transitionextratropical storm
Talas was embedded in a baroclinic zone and the JTWC anticipated an extratropical transition, which prompted them to issue their final warning on the system.