"Rock" changed to stop number of extratropical cyclone

According to the Central Meteorological Observatory, Typhoon Locke, the 15th typhoon of this year, weakened and turned into an extratropical cyclone in the ocean east of Japan at noon on September 22. At 14:00 on the 22nd, the Central Meteorological Station stopped numbering them.
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Typhoon defense

Residents' typhoon prevention: what to do when typhoon comes

Understand the key points of preparation before typhoon and personal risk avoidance measures after typhoon to protect people's lives and property.

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Typhoon prevention at sea: how to avoid navigation when encountering typhoon

When a ship sailing at sea encounters a typhoon, in order to avoid being involved in the typhoon center or the storm area around the center, the method of avoiding navigation is generally adopted.

[Detailed]

How to prevent typhoon before and after encountering typhoon

When a fishing vessel is in distress, it shall immediately send out a distress signal and take all effective measures to organize self rescue.

[Detailed]

Agricultural Remedial Measures after Typhoon Transit

After the typhoon news is released, we should make early preparations and take timely defensive measures for places that may suffer from typhoon attacks and floods.

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Typhoon dynamics

    The No. 15 typhoon in 2011 was located at 43.3 ° north latitude and 147.2 ° east longitude at 08:00 on September 22, with the maximum wind speed of 33m/s and center pressure of 975hPa

name: Locke No.: Typhoon 1115

Live information
2011-09-22 08:00
Forecast information
2011-09-22 08:00
prescription Live 24 hours 48 hours
longitude E:147.2° E:165°  
latitude N:43.3° N:51.7°  
Central air pressure 975hPa 995hPa  
Maximum wind force 33m/s 15m/s  

Origin of "Locke"

    The 15th tropical storm "Rock" in 2011, with the international code of 1115, is called Roke in English, which means a man's name. The name comes from the United States. More>>

popular science knowledge more

  • Typhoon naming
  • At present, 14 members of the Typhoon Committee each provide 10 names for typhoons in the Northwest Pacific Ocean and the South China Sea.
  • Classification of tropical cyclones
  • Tropical cyclones are divided into six grades according to the maximum ground wind speed near the center, and the highest grade is super typhoon.
  • WMO Typhoon Committee
  • Established in 1968, the Typhoon Committee is an intergovernmental organization whose purpose is to mitigate typhoon disasters.
  • Typhoon characteristics in China
  • The analysis of typhoons landing in China since 1949 shows that the typhoons landing in China have shown the following main characteristics for more than half a century.
  • typhoon eye
  • Why do typhoons have eyes? The formation of typhoon eye is due to the wind in the typhoon blowing counterclockwise
  • Distribution of typhoon
  • Typhoon is a "specialty" in the tropical ocean. It often occurs in the tropical ocean at about 5-25 degrees of latitude in the south and north.
  • What is a tropical cyclone
  • Tropical cyclone is a low-pressure vortex occurring on the tropical or subtropical ocean surface, which is a strong and deep tropical weather system.

Special recommendation more

Typhoon "Talas" No. 12 in 2011
The 11th super typhoon "Nanmadu" in 2011
The 9th strong typhoon "Meihua" in 2011
The 6th super typhoon "Ma An" in 2011
The No. 2 super typhoon "Songda" in 2011
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