GribStream

IFS アンサンブルのばらつき 0.1°

GribStreamコード: ifsenfospread0p1

IFS mean and spread: 00 and 12 UTC; 3h steps to 144h, then 6h steps to 360h
00 / 12 UTC · +0…144h: 3h · +150…360h: 6h This coverage reference was generated from for the ifsenfospread0p1 page; available variables may differ.

各変数の物理単位で配信元が計算した標準偏差です。気温のばらつきはケルビン単位の温度差なので、273.15を引かないでください。

00・12 UTCの予報です。+0～+144時間は3時間間隔、その後+150～+360時間は6時間間隔です。

配信元の記録は2026年10月20日12 UTCからです。統計ごとに独立したデータセットがあり、メンバー次元はありません。下の正確なセレクターをrunsまたはtimeseriesで指定してください。

/api/v2/ifsenfospread0p1/runs · /api/v2/ifsenfospread0p1/timeseries

  • アーカイブ開始日: 2026-10-20

    • 気象パラメータ

    パラメータ検索
    0 パラメータ

    パラメータをクリックすると、コピーしやすいJSONセレクタ付きのコンパクトな表で候補を確認できます。コード、level、selector値はAPIが公開する値をそのまま保持します。

    gh –Geopotential height (gpm)
    3 variants

    Parameter ID 156

    ECMWF param DB

    Height derived from geopotential divided by standard gravity (9.80665 m s-2).

    • Used on constant pressure levels to diagnose synoptic features (e.g., troughs, ridges, cyclones).
    • At the surface, it reflects orography (geopotential height of the surface).
    • A geopotential metre is approximately 2% shorter than a geometric metre.
    • This dataset contains ensemble standard deviation, not the mean. Temperature spread is a temperature difference in kelvin; do not subtract 273.15.
    Level Info Horizon Selector
    pl 1000 0h-360h
    {"name":"gh","level":"pl 1000","info":""}
    pl 300 0h-360h
    {"name":"gh","level":"pl 300","info":""}
    pl 500 0h-360h
    {"name":"gh","level":"pl 500","info":""}
    msl –Mean sea level pressure (Pa)
    1 variant

    Parameter ID 151

    ECMWF param DB

    Atmospheric pressure adjusted to mean sea level, reflecting the weight of the air column.

    • Maps of mean sea level pressure highlight cyclones, anticyclones, and wind strength via contour spacing.
    • Often expressed in hPa or millibars (1 hPa = 1 mb = 100 Pa).
    • This dataset contains ensemble standard deviation, not the mean. Temperature spread is a temperature difference in kelvin; do not subtract 273.15.
    Level Info Horizon Selector
    sfc 0h-360h
    {"name":"msl","level":"sfc","info":""}
    t –Temperature (K)
    3 variants

    Parameter ID 130

    ECMWF param DB

    Air temperature throughout the atmosphere.

    • Units are kelvin (K); to convert to degrees Celsius (deg C), subtract 273.15.
    • Available on multiple vertical levels.
    • This dataset contains ensemble standard deviation, not the mean. Temperature spread is a temperature difference in kelvin; do not subtract 273.15.
    Level Info Horizon Selector
    pl 250 0h-360h
    {"name":"t","level":"pl 250","info":""}
    pl 500 0h-360h
    {"name":"t","level":"pl 500","info":""}
    pl 850 0h-360h
    {"name":"t","level":"pl 850","info":""}
    ws –Wind speed (m s-1)
    2 variants

    Parameter ID 10

    ECMWF param DB

    Magnitude of wind velocity. The dataset determines whether this is the ensemble mean or standard deviation.

    • This dataset contains ensemble standard deviation, not the mean. Temperature spread is a temperature difference in kelvin; do not subtract 273.15.
    Level Info Horizon Selector
    pl 250 0h-360h
    {"name":"ws","level":"pl 250","info":""}
    pl 850 0h-360h
    {"name":"ws","level":"pl 850","info":""}

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