Severe weather terminology (Japan)
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Severe weather bulletins are issued as an advisory or a warning, depending on the risk or severity of the event. Less severe events that could be a cause for concern will be issued as a bulletin or an advisory.
- Advisories (注意報, Chūihō)
- Warnings (警報, Keihō)
- Emergency Warnings (特別警報, Tokubetsu Keihō)
- Bulletins (気象情報, Kishō Jōhō): provide information to supplement warnings and advisories.
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Meteorological Warnings
Weather advisories and warnings are issued when potentially hazardous weather is occurring or is forecast for the short-term period.
General Warnings
Due to its local-scale nature, an advisory is typically issued in advance for public forecast areas where conditions may be favorable for the development of severe weather. A warning is issued for areas where severe weather is imminent or occurring.
Advisories
- Advisory for Gale and snow (風雪注意報, Fūsetsu Chūihō)
- Advisory for Gale (強風注意報, Kyōfū Chūihō)
- Advisory for Heavy rain (大雨注意報, Ōame Chūihō)
- Advisory for Heavy snow (大雪注意報, Ōyuki Chūihō)
- Advisory for Dense fog (濃霧注意報, Nōmu Chūihō)
- Advisory for Thunderstorm (雷注意報, Kaminari Chūihō)
- Advisory for Dry air (乾燥注意報, Kansō Chūihō)
- Advisory for Avalanche (なだれ注意報, Nadare Chūihō)
- Advisory for Ice/snow accretion (着氷・着雪注意報, Chakuhyō Chakusetsu Chūihō)
- Advisory for Frost (霜注意報, Shimo Chūihō)
- Advisory for Low temperature (低温注意報, Teion Chūihō)
- Advisory for Snow melting (融雪注意報, Yūsetsu Chūihō)
- Advisory for Storm surge (高潮注意報, Takashio Chūihō)
- Advisory for High waves (波浪注意報, Harō Chūihō)
- Advisory for Flood (洪水注意報, Kōzui Chūihō)
- Advisory for Tornado (竜巻注意報, Tatsumaki Chūihō)
Warnings
- Warning for Storm (暴風警報, Bōfū Keihō)
- Warning for Snow-storm (暴風雪警報, Bōfūsetsu Keihō)
- Warning for Heavy rain (大雨警報, Ōame Keihō)
- Warning for Heavy snow (大雪警報, Ōyuki Keihō)
- Warning for Storm surge (高潮警報, Takashio Keihō)
- Warning for High waves (波浪警報, Harō Keihō)
- Warning for Flood (洪水警報, Kōzui Keihō)
Marine Warnings
- Warning for Near Gale (海上風警報, Kaijō Keihō)
- Warning for Gale (海上強風警報, Kaijō Kyōfū Keihō)
- Warning for Storm (海上暴風警報, Kaijō Bōfū Keihō)
- Warning for Typhoon (海上台風警報, Kaijō Taifū Keihō)
- Warning for Dense Fog (海上濃霧警報, Kaijō Nōmu Keihō)
- Warning for Icing (海上着氷警報, Kaijō Chakuhyō Keihō)
- Warning for Sea Swell (海上うねり警報, Kaijō Uneri Keihō)
Typhoons or Tropical Depressions
- Typhoon Information (台風情報, Taifū Jōhō)
Flood Forecasting
- Flood Forecasting (洪水予報, Kōzui Yohō)
Seismological Warnings
Earthquake Information
- Earthquake Information (地震情報, Jishin Jōhō)
- Seismic Intensity Information (震度速報, Shindo Sokuhō)
- Earthquake Information (震源に関する情報, Shingen ni Kansuru Jōhō)
- Earthquake and Seismic Intensity Information (震源・震度に関する情報, Shingen/Shindo ni Kansuru Jōhō)
- Information on seismic intensity at each site (各地の震度に関する情報, Kakuchi no Shindo ni Kansuru Jōhō)
- Distant Earthquake Information (遠地地震に関する情報, Enchi Jishin ni Kansuru Jōhō)
Earthquake Early Warning
- Earthquake Early Warning (緊急地震速報, Kinkyū Jishin Sokuhō)
Tsunami Warnings
- Tsunami Information (津波情報, Tsunami Jōhō)
- Tsunami Forecast (津波予報, Tsunami Yohō)
- Tsunami Advisory (津波注意報, Tsunami Chūihō)
- Tsunami Warning (津波警報, Tsunami Keihō)
Volcano Information
- Volcano Information (火山情報, Kazan Jōhō)
- Volcanic Forecast (噴火予報, Funka Yohō)
- Volcanic Warning (噴火警報, Funka Keihō)