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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 forecast outputs between 00 UTC on 5 and 00 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 the 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 Desmond_startdate_mslp_table.pdf height 250
2-meter temperature
View file name Desmond_startdate_t2_table.pdf height 250
24-hour precipitation
View file name Desmond_startdate_p_table.pdf height 250
3-hourly 10-meter wind gust
View file name Desmond_startdate_gust_table.pdf height 250
Temperature at 850 hPa
View file name Desmond_startdate_t850_table.pdf height 250
Relative humidity at 700 hPa
View file name Desmond_startdate_q700_table.pdf height 250
Geopotential at 500 hPa
View file name Desmond_startdate_z500_table.pdf height 250
Wind field at 250 hPa
View file name Desmond_startdate_u250_table.pdf height 250
Wind field at 100 hPa
View file name Desmond_startdate_u100_table.pdf height 250
Impact of initial condition
Experiments for Storm Desmond are initialized from ERA-Interim and ERA5 re-analysis datasets for 3 and 4 December 2015. The major events related to the storm (high precipitation, wind gusts) happened on 5 December. The forecasts are initialized on 4 December 2015 and the major events related to the storm (high precipitation, wind gusts) happened on 5 December. So the 24-48 hours forecast lead times are studied.
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 2 columns according to the 2 initialization conditions and 9 rows for the 3-hourly forecast outputs between 00 UTC on 5 and 00 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 the 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 Desmond_initial_condition_mslp_table.pdf height 250
2-meter temperature
View file name Desmond_initial_condition_t2_table.pdf height 250
24-hour precipitation
View file name Desmond_initial_condition_p_table.pdf height 250
3-hourly 10-meter wind gust
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Temperature at 850 hPa
View file name Desmond_initial_condition_t850_table.pdf height 250
Relative humidity at 700 hPa
View file name Desmond_initial_condition_q700_table.pdf height 250
Geopotential at 500 hPa
View file name Desmond_initial_condition_z500_table.pdf height 250
Wind field at 250 hPa
View file name Desmond_initial_condition_u250_table.pdf height 250
Wind field at 100 hPa
View file name Desmond_initial_condition_u100_table.pdf height 250
Impact of horizontal resolution
Experiments for Storm Desmond are run on 3 resolutions: T255L91, T639L137 and T1279L137 (approximately ). The forecasts are initialized on 4 December 2015 and the major events related to the storm (high precipitation, wind gusts) happened on 5 December. So the 24-48 hours forecast lead times are studied.
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 3 columns according to the 3 resolutions and 9 rows for the 3-hourly forecast outputs between 00 UTC on 5 and 00 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 the 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 Desmond_resolution_mslp_table.pdf height 250
2-meter temperature
View file name Desmond_resolution_t2_table.pdf height 250
24-hour precipitation
View file name Desmond_resolution_p_table.pdf height 250
3-hourly 10-meter wind gust
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Temperature at 850 hPa
View file name Desmond_resolution_t850_table.pdf height 250
Relative humidity at 700 hPa
View file name Desmond_resolution_q700_table.pdf height 250
Geopotential at 500 hPa
View file name Desmond_resolution_z500_table.pdf height 250
Wind field at 250 hPa
View file name Desmond_resolution_u250_table.pdf height 250
Wind field at 100 hPa
View file name Desmond_resolution_u100_table.pdf height 250