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Storm Xaver
Impact of starting date and lead time
Impact of initial condition
Impact of horizontal resolution
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<p style="margin-top: 20.0px;">Some selected figures are provided here to have an overview on the forecast results. The focus is on the impact of the initialization date, the lead time, the initial condition and the model resolution on the forecast quality. The pictures are collected separately for the two case studies. For the whole collection, please visit the complete <a href="http://download.ecmwf.int/test-data/openifs/reference_casestudies/figs" target="_blank">gallery</a>.</p> |
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Storm Desmond
Impact of starting date and lead time
Experiments for Storm Desmond are initialized from 5 dates: 1, 2, 3, 4, and 5 December 2015. The major events related to the storm (high precipitation, wind gusts) happened on 5 December. Consequently, forecast lead times of 96-120 hours, 72-96 hours, 48-72 hours, 24-48 hours, 0-24 hours are studied, respectively.
The PDF documents below are prepared for 9 variables: mean sea level pressure, 2-meter temperature, 24-hour precipitation, 3-hourly 10-meter wind gust, 850 hPa temperature, 700 hPa relative humidity, 500 hPa geopotential, 250 hPa and 100 hPa wind fields. The figures of experiments are organized in 5 columns according to the 5 starting dates and 9 rows for the 3-hourly outputs between 00 UTC on 5 and 0 UTC on 6 December. The only exception is the precipitation where the daily amounts are located in one row. Both the corresponding ERA-Interim and ERA5 fields are displayed as reference (please note that ERA-Interim re-analyses are available with 6-hour frequency).
Please click on the PDF documents to open them and to see the individual pictures (note that most documents have 2 pages).
Mean sea level pressure
View file name startdate_mslp_table.pdf height 250
2-meter temperature
View file name startdate_t2_table.pdf height 250
24-hour precipitation
View file name startdate_p_table.pdf height 250
3-hourly 10-meter wind gust
View file name startdate_gust_table.pdf height 250
Temperature at 850 hPa
View file name startdate_t850_table.pdf height 250
Relative humidity at 700 hPa
View file name startdate_q700_table.pdf height 250
Geopotential at 500 hPa
View file name startdate_z500_table.pdf height 250
Wind speed and direction at 250 hPa
View file name startdate_u250_table.pdf height 250
Wind speed and direction at 100 hPa
View file name startdate_u100_table.pdf height 250