Rail.Blue
Railroad Weather Information System
  • Rain
  • Wind
  • Alert
  • Lightning
  • Typhoon
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    Rain

    Rainfall within 1h
    Rainfall within 1h Normal (v < 170km/h) Rainfall within 1h Higher-speed (v ≥ 170km/h) Rainfall within 1h High-speed (v ≥ 300km/h)
    No rainfall within 1h
    No rainfall within 1h Normal (v < 170km/h) No rainfall within 1h Higher-speed (v ≥ 170km/h) No rainfall within 1h High-speed (v ≥ 300km/h)
    High-speed (v ≥ 300km/h)
    High-speed (v ≥ 300km/h) Limit to 130km/h Daily Snowfall is greater than 14cm and less than 21cm
    High-speed (v ≥ 300km/h) Limit to 170km/h Daily Snowfall ≥ 14cm AND < 21cm
    High-speed (v ≥ 300km/h) Limit to 230km/h Daily Snowfall ≥ 7cm AND < 14cm
    High-speed (v ≥ 300km/h) Limit to 230km/h for First Operation Train Daily Snowfall ≥ 5cm AND < 7cm
    High-speed (v ≥ 300km/h) Operation Stop Continuous rainfall ≥ 150mm AND rainfall ≥ 60mm/h
    ≥ 70mm/h of rainfall on the overpass and bridge sections
    High-speed (v ≥ 300km/h) Limit to 90km/h Continuous rainfall ≥ 150mm AND rainfall ≥ 35mm/h
    High-speed (v ≥ 300km/h) Limit to 170km/h Continuous rainfall ≥ 140mm AND rainfall ≥ 30mm/h
    Higher-speed (v ≥ 170km/h)
    Higher-speed (v ≥ 170km/h) Operation Stop Continuous rainfall ≥ 150mm AND rainfall ≥ 60mm/h
    ≥ 70mm/h of rainfall on the overpass and bridge sections
    Higher-speed (v ≥ 170km/h) Limit to 90km/h Continuous rainfall ≥ 150mm AND rainfall ≥ 35mm/h
    Higher-speed (v ≥ 170km/h) Limit to 170km/h Continuous rainfall ≥ 140mm AND rainfall ≥ 30mm/h
    Normal (v < 170km/h)
    Normal (v < 170km/h) Operation Stop Continuous rainfall < 150mm AND rainfall ≥ 65mm/h
    Continuous rainfall ≥ 150mm AND < 320mm AND rainfall ≥ 25mm/h
    Continuous rainfall ≥ 320mm
    Normal (v < 170km/h) Slow Down Continuous rainfall < 125mm AND rainfall ≥ 50mm/h
    Continuous rainfall ≥ 125mm AND < 250mm AND rainfall ≥ 20mm/h
    Continuous rainfall ≥ 250mm
    Normal (v < 170km/h) Cautious Operation Continuous rainfall < 100mm AND rainfall ≥ 40mm/h
    Continuous rainfall ≥ 100mm AND < 210mm AND rainfall ≥ 10mm/h
    Continuous rainfall ≥ 210mm

    Wind

    High-speed (v ≥ 300km/h)
    High-speed (v ≥ 300km/h) Operation Stop Wind speed ≥ 45m/s
    High-speed (v ≥ 300km/h) Limit to 90km/h Wind speed ≥ 40m/s AND < 45m/s
    High-speed (v ≥ 300km/h) Limit to 170km/h Wind speed ≥ 30m/s AND < 40m/s
    High-speed (v ≥ 300km/h) Slow Down Wind speed ≥ 20m/s AND < 30m/s
    Higher-speed (v ≥ 170km/h)
    Higher-speed (v ≥ 170km/h) Operation Stop Wind speed ≥ 30m/s
    Higher-speed (v ≥ 170km/h) Limit to 90km/h Wind speed ≥ 25m/s AND < 30m/s
    Higher-speed (v ≥ 170km/h) Limit to 170km/h Wind speed ≥ 20m/s AND < 25m/s
    Normal (v < 170km/h)
    Normal (v < 170km/h) Operation Stop Wind speed ≥ 30m/s
    Normal (v < 170km/h) Limit to 90km/h Wind speed ≥ 25m/s AND < 30m/s
    Normal (v < 170km/h) Cautious Operation Wind speed ≥ 20m/s AND < 25m/s

    Alert

    High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Strong Wind advisory High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Strong Wind warning
    High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Wind Wave advisory High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Wind Wave warning
    High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Heavy Rain advisory High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Heavy Rain warning
    High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Heavy Snow advisory High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Heavy Snow warning
    High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Dry Air advisory High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Dry Air warning
    High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Storm Surge advisory High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Storm Surge warning
    High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Tsunami advisory High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Tsunami warning
    High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Cold Wave advisory High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Cold Wave warning
    High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Typhoon advisory High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Typhoon warning
    High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Yellow Dust advisory High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Yellow Dust warning
    High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Heat Wave advisory High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Heat Wave warning
    High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Volcanic Ash advisory High-speed (v ≥ 300km/h) Higher-speed (v ≥ 170km/h) Normal (v < 170km/h) Volcanic Ash warning
    Weather Alert in Rail.Blue are announced excluding Dry and Yellow dust alert. Strong winds and Heavy snow alert are excluded for underground sections.

    Lightning

    Lightning within 30min. Lightning within 30min.
    Lightning within 1h. Lightning within 1h.
    Lightning within 1h. 30min. Lightning within 1h. 30min.
    Lightning within 2h. Lightning within 2h.
    Lightning within 2h. 30min. Lightning within 2h. 30min.
    Lightning within 3h. Lightning within 3h.
    Lightning within 3h. 30min. Lightning within 3h. 30min.

    Typhoon

    Typhoon Intensity
    Maximum Wind Speed
    Weak ≥ 17m/s (61km/h, 34kt) AND < 25m/s (90km/h, 48kt)
    Normal ≥ 25m/s (90km/h, 48kt) AND < 33m/s (119km/h, 64kt)
    Strong ≥ 33m/s (119km/h, 64kt) AND < 44m/s (158km/h, 85kt)
    Very Strong ≥ 44m/s (158km/h, 85kt) AND < 54m/s (194km/h, 105kt)
    Super Strong ≥ 54m/s (194km/h, 105kt)
    Wind Speed ≥ 15m/s Range
    Wind Speed ≥ 15m/s Range
    Small < 300km
    Medium ≥ 300km AND < 500km
    Large ≥ 500km AND < 800km
    Extra-Large ≥ 800km
    Icon
      Small Medium Large Extra-Large
    Weak Weak Small Weak Medium Weak Large Weak Extra-Large
    Normal Normal Small Normal Medium Normal Large Normal Extra-Large
    Strong Strong Small Strong Medium Strong Large Strong Extra-Large
    Very Strong Very Strong Small Very Strong Medium Very Strong Large Very Strong Extra-Large
    Super Strong Super Strong Small Super Strong Medium Super Strong Large Super Strong Extra-Large
    Wind Speed ≥ 15m/s Range
    Wind Speed ≥ 25m/s Range
    70% Probability Range of Typhoon
    Tropical Depression Route Tropical Depression Route
    Center of Probability Range Center of Probability Range
    No Information
    No Information High-speed (v ≥ 300km/h) No Information Higher-speed (v ≥ 170km/h) No Information Normal (v < 170km/h)
    Common
    High-speed (v ≥ 300km/h)High-speed (v ≥ 300km/h)
    Higher-speed (v ≥ 170km/h)Higher-speed (v ≥ 170km/h)
    Normal (v < 170km/h)Normal (v < 170km/h)
    :
    Data is based on Meteorological Administration observations and may differ from real. This is a personal operation website and each page's information is not real-time.