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Info

All times on this page are UTC. Delivery windows show when the first and last step of each forecast are pushed to your server — individual steps arrive progressively within the window.

This This dissemination schedule applies where Pre-Schedule Delivery has not been set. For more information please see configured. See Pre-Schedule Delivery for earlier delivery options.

Set I - Control forecast (formerly HRES) and Analysis Data (15-days)

Info

Subscription identifiers: class=od, stream=oper

I-i: Atmospheric fields

Runs (base time)LEGACY file-naming indicator*
Forecast Forecast step frequencyForecast Dissemination schedulerun Steps Delivery window
00 UTC
  • 0 to 90 by 1
  • 93  93 to 144 by 3
  • 150 to 360 by 6
  • 505:45 --> 6→ 06:126
  • 06:12 --> 6→ 06:27
  • 606:27 --> 7→ 07:34
  • S 
  • D
  • D
06 UTC
  • 0 to 90 by 1
  • 93 to 144 by 3
  • 11:45 --> → 12:12
  • 12:12 --> → 12:27
  • S
  • S
12 UTC
  • 0 to 90 by 1
  • 93 to 144 by 3
  • 150 to 360 by 6
  • 17:45 --> → 18:12
  • 18:12 --> → 18:27
  • 18:27 --> → 19:34
  • S
  • D
  • D
18 UTC
  • 0 to 90 by 1
  • 93 to 144 by 3
  • 23:45 --> → 00:12
  • 00:12 --> → 00:27
  • S
  • S


Runs (base time)LEGACY file-naming indicatorLEGACY file-naming indicator
Analysis
Analysis Dissemination schedule
runDelivery
00 UTC505:40
  • D
06 UTC11:40
  • 17:35
  • S (stream=scda, use=bc)
    • D
    12 UTC17:40D
    18 UTC23:40
  • 5:35
    • S (stream=scda, use=bc)
  • D
    • Human Thermal Comfort (Thermofeel) Indices (base time)Analysis Dissemination schedule


    8MM
    Thermofeel runDelivery
    00 UTC
    08:30
    12 UTC20:30


    I-ii: Time series of weather parameters (Post-processed Products)

    (LEGACY file-naming indicator = A)

    Run Delivery
    00
    Weather Parameter ProductsTime available
    12 UTC based1806:55
    00 12 UTC based0618:55
     I

    I-iii: Tropical cyclones (Post-processed Products)

    (LEGACY file-naming indicator = C)

    Time available
    Run Delivery
    Tropical cyclone products
    00 UTC based06:55
    06 UTC based12:12
    12 UTC based18:55
    18 UTC based00:12

    Set II - Control forecast wave (formerly HRES-WAM) and Analysis Data (15-days)

    HRES-WAM

    Info

    Subscription identifiers: class=od, stream=wave

    LEGACY file-naming indicator
    Forecast run Steps Delivery window Forecast Runs (base time)Forecast step frequencyForecast Dissemination schedule
    00 UTC
    • 0 to 90 by 1
    • 93  93 to 144 by 3
    • 150 to 360 by 6
    • 505:45 --> 6→ 06:136
    • 06:13 --> 6→ 06:27
    • 606:27 --> 7→ 07:34
    • Q
    • P
    • P
    06 UTC
    • 0 to 90 by 1
    • 93 to 144 by 3
    • 11:45 --> → 12:13
    • 12:13 --> → 12:27
    • Q
    • Q
    12 UTC
    • 0 to 90 by 1
    • 0 93 to 144 by 3
    • 150 to 360 by 6
    • 17:45 --> → 18:13
    • 18:13 --> → 18:27
    • 18:27 --> → 19:34
    • Q
    • P
    • P
    18 UTC
    • 0 to 90 by 1
    • 93 to 144 by 3
    • 23:45 --> → 00:13
    • 00:13 --> → 00:27
    • Q
    • Q

    Set III - Atmospheric model Ensemble 15-day forecast (ENS)

    Info

    Subscription identifiers: class=od, stream=enfo

    Note

    The 06 UTC and 18 UTC runs are capped at step 144 (Day 6). Rows highlighted below are produced by the 00 UTC and 12 UTC runs only.


    		00 UTC06 UTC12 UTC18 UTC
    Forecast Day 006:40

    (LEGACY file-naming indicator = E)

    190719071941  072008

    Based Forecast Time 06UTC

    Time Available

    Based Forecast time 12UTC

    Time Available

    Based Forecast Time 18UTC

    Time Available

    Based Forecast time 00UTC

    Time Available

    Forecast Day 012:4018:4000:4006:40
    Forecast Day 106:4412:4418:4400:4406:44
    Forecast Day 206:4812:4818:4800:4806:48
    Forecast Day 306:5212:5218:5200:5206:52
    Forecast Day 10
    07:20

    		19:20
    Forecast Day 15
    07:40

    		19:40
    Derived products Step 0 to 240
    07:
    41

    		19:41
    Derived products Step 246 to 360
    08:01

    		20:01


    9O
    Human Thermal Comfort (Thermofeel) Indices (base time)Analysis Dissemination scheduleLEGACY file-naming indicator
    Thermofeel runDelivery
    00 UTC
    09:30
    12 UTC21:30
    • O

    Set IV - Ocean Wave Model Ensemble 15-day forecast (ENS-WAM)

    Info

    Subscription identifiers: class=od, stream=waef

    IV IV-i: Wave fields

    (LEGACY file-naming indicator = W)

    based Time available based Time Available

    		12 UTC based Forecast time00 UTC run12 UTC run
    Forecast Day 007:0019:00
    Forecast Day 1007:4019:40
    Forecast Day 1508:0020:00
    Derived products Step 0 to 24007:4119:41
    Derived products Step 246 to 36008:0120:01
    Expand
    titleIV-ii: Probabilities

    (LEGACY file-naming indicator = U)

    12 UTC based Forecast timeTime Available00 UTC based Forecast time
    — same schedule as IV-i, click to expand

    		00 UTC run12 UTC run
    Time available
    Forecast Day 0
    1907
    07:00
    Forecast Day 0
    19:00
    Forecast Day 10
    1907
    07:40
    Forecast Day 10
    19:40
    Forecast Day 15
    2008
    08:00
    Forecast Day 15
    20:00
    Derived products Step 0 to 240
    1907
    07:41
    Derived products Step 0 to 240
    19:41
    Derived products Step 246 to 36008:0120:01
    Derived products Step 246 to 360
    Expand
    title
    08:01

    (LEGACY file-naming indicator = U)

    12 UTC based Forecast timeTime Available00 UTC based Forecast timeTime available
    IV-iii: Extreme Forecast Index & Shift of Tails
    — same schedule as IV-i, click to expand

    		00 UTC run12 UTC run
    Forecast Day 0
    1907
    07:00
    Forecast Day 0
    19:00
    Forecast Day 10
    1907
    07:40
    Forecast Day 10
    19:40
    Forecast Day 15
    2008
    08:00
    Forecast Day 15
    20:00
    Derived products Step 0 to 240
    1907
    07:41
    Derived products Step 0 to 240
    19:41
    Derived products Step 246 to 360
    2008
    08:01
    Derived products Step 246 to 360
    20:01

    Set V - Seasonal

    7-month

    forecast (SEAS5)

    Info

    Subscription identifiers: class=od, stream=mmsf, method=1

    File naming is supported in LEGACY format only for this set.

    V-i: 7-month forecast

    BatchDelivery
    Forecast months 1–7

    (LEGACY file-naming indicator = L) 

    Forecast timeTime available
    Forecast month 1-75th of each month, 12:00 UTC
    Set

    V-

    Seasonal

    ii: 13-month forecast

    (SEAS5)

    Info

    Subscription identifiers: class=od, stream=mmsf, method=3

    File

    (File-

    naming is supported in ECMWF and WMO formats only

    , LEGACY naming is not supported.)

    for this dataset.


    Forecast month 8-13
    BatchDelivery
    Forecast months 8–13
    Forecast timeTime available
    5th of each quarter, 12:00 UTC (February, May, August, November)

    Set VI - Sub-seasonal forecast products (ENS extended)

    Info

    Subscription identifiers: class=od, stream=eefo (wave: stream=weef)

    ProductDelivery
    Real-time forecast

    (LEGACY file-naming indicator = F for real-time forecasts)

    (LEGACY file-naming indicator = H for re-forecasts)

    Forecast productTime available
    Real Time Forecast20:00
    Re-forecast21:00 00

    Set IX - AIFS deterministic forecast

    Info

    Subscription identifiers: class=ai, stream=oper

    AIFS deterministic products are disseminated in line with the existing IFS schedule (Set I-i).

    Forecast dissemination schedule
    RunStepsDelivery windowForecast run (base time)Forecast step frequency
    00 UTC0 to 360 by 6505:45 --> 7→ 07:34
    06 UTC0 to 360 by 611:45 --> → 13:34
    12 UTC0 to 360 by 617:45 --> → 19:34
    18 UTC0 to 360 by 623:45 --> → 01:34


    Set X - AIFS ensemble forecast

    Info

    Subscription identifiers: class=ai, stream=enfo

    AIFS ensemble products are disseminated in line with the existing IFS schedule (Set III).

    Note

    The 06 UTC and 18 UTC runs are capped at step 144 (Day 6). Rows highlighted below are produced by the 00 UTC and 12 UTC runs only.

    Batch00 UTC06 UTC12 UTC18 UTC
    Forecast Day 006:4012:4018:4000:40
    Forecast Day 106:4412:4418:4400:44
    Forecast Day 206:4812:4818:4800:48
    Forecast Day 306:5212:5218:5200:52
    Forecast Day 1007:20
    		19:20
    Forecast Day 1507:40
    		19:40
    Derived products Step 0 to 24007:41
    		19:41
    Derived products Step 246 to 36008:01
    		20:01


    Set XII - AIFS Single wave forecast (deterministic)

    Info

    Subscription identifiers: class=ai, stream=wave

    AIFS Single wave products follow the same schedule as the AIFS deterministic forecast (Set IX).

    RunStepsDelivery window
    00 UTC0 to 360 by 605:45 → 07:34
    06 UTC0 to 360 by 611:45 → 13:34
    12 UTC0 to 360 by 617:45 → 19:34
    18 UTC0 to 360 by 623:45 → 01:34


    Set XIII - AIFS Ensemble wave forecast

    Info

    Subscription identifiers: class=ai, stream=waef

    AIFS Ensemble wave products follow the same schedule as the AIFS ensemble forecast (Set X). Timings are provisional — please verify before publishing.

    Note

    The 06 UTC and 18 UTC runs are capped at step 144 (Day 6). Rows highlighted below are produced by the 00 UTC and 12 UTC runs only.

    190719071941  072008
    Batch00 UTC06 UTC12 UTC18 UTC
    Forecast Day 006:4012:4018:4000

    Based Forecast Time 06UTC

    Time Available

    Based Forecast time 12UTC

    Time Available

    Based Forecast Time 18UTC

    Time Available

    Based Forecast time 00UTC

    Time Available

    Forecast Day 012:4018:4000:4006:40
    Forecast Day 106:4412:4418:4400:4406:44
    Forecast Day 206:4812:4818:4800:4806:48
    Forecast Day 306:5212:5218:5200:5206:52
    Forecast Day 10
    07:20

    		19:20
    Forecast Day 15
    07:40

    		19:40
    Derived products Step 0 to 240
    07:
    41

    		19:41
    Derived products Step 246 to 360
    08:01

    		20:01


    Set XI - CAMS Global Atmospheric Composition Forecast

    Forecast dissemination schedule
    RunStepsDelivery
    Forecast run (base time)Forecast step frequency
    00 UTC0 to 90 by 1, 93 to 120 by 310:00
    12 UTC0 to 90 by 1, 93 to 120 by 322:00
    * Please see File naming convention and format for real-time data for details on LEGACY, ECMWF and WMO file-naming convention templates.

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    titleSee also

    Real-time data are pushed to users' servers on the schedule shown below. If you need to re-transmit files login , log in to   ECPDS.

     File naming convention and format for real-time data


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    Create a support ticket in our Support portal

    Button Hyperlink
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    Button Hyperlink
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    Want to find a solution from the community? Check out the   ECMWF Forum.


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