風読み Kazeyomi
風読みWeather

Aviation weather for airline operations

Weather for airline operations and dispatch, grouped by route. For decoded reports and crosswinds at Japanese airports, see the airport list.

Major airports now

Domestic

Asia

  • …RKSIIncheon–
  • …RCTPTaipei Taoyuan–
  • …VHHHHong Kong–
  • …ZSPDShanghai Pudong–
  • …ZBAABeijing Capital–
  • …RPLLManila–
  • …VTBSBangkok–
  • …WSSSSingapore–
  • …VVTSHo Chi Minh City–
  • …WIIIJakarta–

North America & Hawaii

  • …PHNLHonolulu–
  • …PANCAnchorage–
  • …KSEASeattle–
  • …KSFOSan Francisco–
  • …KLAXLos Angeles–
  • …CYVRVancouver–
  • …KORDChicago–
  • …KJFKNew York JFK–
  • …KDFWDallas/Fort Worth–
  • …KIAHHouston–

Europe

  • …EGLLLondon Heathrow–
  • …LFPGParis CDG–
  • …EDDFFrankfurt–
  • …EDDMMunich–
  • …EFHKHelsinki–
  • …EHAMAmsterdam–
  • …LIRFRome–
  • …LTFMIstanbul–
  • …OMDBDubai–
  • …OTHHDoha–

Guam & Oceania

  • …PGUMGuam–
  • …YSSYSydney–
  • …YBBNBrisbane–
  • …YMMLMelbourne–
  • …NZAAAuckland–
  • …NFFNNadi–

METARs from NOAA Aviation Weather Center. All 130 airports in Japan

Thunderstorms & cumulonimbus (Japanese airports)

Thunderstorms and cumulonimbus in METARs and TAFs at airports across Japan. Useful for departures and arrivals.

Observed now

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Forecast within 24 hours (TAF)

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Only airports with METAR/TAF are included (most JSDF/US military airfields and island airports are not). Picks up thunderstorms (TS), thunderstorms in the vicinity (VCTS) and cumulonimbus (CB).

SIGMET & domestic hazards

SIGMET (Fukuoka FIR)

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SIGMET (Fukuoka FIR)Areas of SIGMETs currently in effect.Source: "SIGMET (Fukuoka FIR)" (from the JMA website)
Domestic significant weather chart

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Domestic significant weather chartForecast turbulence, icing, cumulonimbus and more over Japanese airspace.Source: "Domestic significant weather chart" (from the JMA website)
Domestic significant weather 12-hour forecast

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Domestic significant weather 12-hour forecastAutomatically generated from numerical models, 12 hours ahead. May differ from official forecasts.Source: "Domestic significant weather 12-hour forecast" (from the JMA website)

Route cross-sections & winds aloft

Winds and temperatures at cruise altitudes, and the jet stream position.

Domestic route cross-sections (6 & 12 hours)

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Domestic route cross-sections (6 & 12 hours)Forecast temperature, wind and moisture along major routes, including the freezing level.Source: "Domestic route cross-sections (6 & 12 hours)" (from the JMA website)

High-level SIGWX (Asia & Oceania)

High-level SIGWX from the World Area Forecast Centres (WAFC).

High-level SIGWX area E (Asia / Australia)

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High-level SIGWX area E (Asia / Australia)Jet streams, turbulence, cumulonimbus and tropopause, FL250–FL630. 24-hour forecast.Source: "High-level SIGWX area E (Asia / Australia)" (from NOAA Aviation Weather Center)
High-level SIGWX area G (Europe / Asia)

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High-level SIGWX area G (Europe / Asia)Jet streams, turbulence, cumulonimbus and tropopause, FL250–FL630. 24-hour forecast.Source: "High-level SIGWX area G (Europe / Asia)" (from NOAA Aviation Weather Center)

High-level SIGWX (Pacific & North America)

North Pacific crossings and North America.

High-level SIGWX area I (North Pacific)

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High-level SIGWX area I (North Pacific)Jet streams, turbulence, cumulonimbus and tropopause, FL250–FL630. 24-hour forecast.Source: "High-level SIGWX area I (North Pacific)" (from NOAA Aviation Weather Center)
High-level SIGWX area M (Pacific)

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High-level SIGWX area M (Pacific)Jet streams, turbulence, cumulonimbus and tropopause, FL250–FL630. 24-hour forecast.Source: "High-level SIGWX area M (Pacific)" (from NOAA Aviation Weather Center)
High-level SIGWX area F (Pacific)

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High-level SIGWX area F (Pacific)Jet streams, turbulence, cumulonimbus and tropopause, FL250–FL630. 24-hour forecast.Source: "High-level SIGWX area F (Pacific)" (from NOAA Aviation Weather Center)
High-level SIGWX area A (Americas)

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High-level SIGWX area A (Americas)Jet streams, turbulence, cumulonimbus and tropopause, FL250–FL630. 24-hour forecast.Source: "High-level SIGWX area A (Americas)" (from NOAA Aviation Weather Center)

High-level SIGWX (Europe)

Routes over Russia, via Central Asia, and polar routes.

High-level SIGWX area D (Europe / Central Asia)

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High-level SIGWX area D (Europe / Central Asia)Jet streams, turbulence, cumulonimbus and tropopause, FL250–FL630. 24-hour forecast.Source: "High-level SIGWX area D (Europe / Central Asia)" (from NOAA Aviation Weather Center)
High-level SIGWX area G (Europe / Asia)

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High-level SIGWX area G (Europe / Asia)Jet streams, turbulence, cumulonimbus and tropopause, FL250–FL630. 24-hour forecast.Source: "High-level SIGWX area G (Europe / Asia)" (from NOAA Aviation Weather Center)

Weather charts (Asia)

Asia surface analysis chart

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Asia surface analysis chartPressure systems and fronts across Asia.Source: "Asia surface analysis chart" (from the JMA website)
Asia 24-hour forecast chart

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Asia 24-hour forecast chartSource: "Asia 24-hour forecast chart" (from the JMA website)
Asia 48-hour forecast chart

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Asia 48-hour forecast chartSource: "Asia 48-hour forecast chart" (from the JMA website)
Himawari infrared (Japan area)

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Himawari infrared (Japan area)Cloud-top height.Source: "Himawari infrared (Japan area)" (from the Meteorological Satellite Center website)

Volcanic ash

Tokyo VAAC covers Japan, East Asia and the northwestern Pacific.

Space weather

On polar routes and at high altitude, watch for HF radio blackouts, radiation and GNSS errors caused by solar activity.

D-region absorption prediction (D-RAP)

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D-region absorption prediction (D-RAP)Areas where solar flares degrade HF radio.Source: "D-region absorption prediction (D-RAP)" (from NOAA Space Weather Prediction Center)
Aurora forecast (Northern Hemisphere)

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Aurora forecast (Northern Hemisphere)Extent of geomagnetic disturbance, which affects communication and navigation on polar routes.Source: "Aurora forecast (Northern Hemisphere)" (from NOAA Space Weather Prediction Center)
Total electron content (TEC)

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Total electron content (TEC)Electron content of the ionosphere. Higher values mean larger GNSS errors.Source: "Total electron content (TEC)" (from NOAA Space Weather Prediction Center)

D-ATIS, tracks & GPS interference

Weather services in Asia

Aviation weather in North America

Aviation weather in Europe

Aviation weather in Guam & Oceania

JMA charts are shown under the Public Data License and NOAA charts as US Government works, with sources noted. Other sites are linked in line with their terms. Charts load directly from each provider, so they may be delayed or unavailable. Many linked pages are in Japanese.