Initial Conditions Products


Product name

Description

(established over forecast horizon)

OutputsForecasting horizonNumber of members
Initial Conditions

Initial 3-day precipitation

Accumulated precipitation [mm] from meteorological forcing input over the 3-day period before the date of the forecast run. It includes the fillup day (usually one day only) with 1st 24 hours of the ENS-control as forcing, and 2 days (or less, if the fillup period with ENS-control is longer than just the 1 day previous the forecast run) of ERA5T forcing.

 

Map based on LISFLOOD gridNANA

Initial 3-day snow melt

Accumulated snow melt [mm] from meteorological forcing input over the 3-day period before the date of the forecast run. It includes the fillup day (usually one day only) with 1st 24 hours of the ENS-control as forcing, and 2 days (or less, if the fillup period with ENS-control is longer than just 1 day previous the forecast run) of ERA5T forcing.

Map based on LISFLOOD gridNANA

Initial snow cover

Daily mean snow cover  [mm of water equivalent] from meteorological forcing input (namely the first 24 hours of the ENS-control) for the 24-hour period (00-00 UTC) before the date of the forecast run. Areas where the snow cover is 10 m or above are considered as glaciers.

Map based on LISFLOOD gridNANA

Initial soil moisture

Soil Wetness Index (root-zone; see Model Output) [%] from meteorological forcing input at initial time (00 UTC) on the day of the forecast run. 

Soil moisture is expressed as a ratio between the soil water content in the top layer (currently with 7 cm depth) compared with the maximum water content that this soil layer can hold.


Map based on LISFLOOD gridNANA

Initial 2m temperature

Daily mean 2m temperature [C] from meteorological forcing input (namely the first 24 hours of the ENS-control) for the 24-hour period (00-00 UTC) before the date of the forecast run.

Map based on LISFLOOD gridNANA

Initial 3-day precipitation anomaly

Anomaly [unitless] of the accumulated precipitation from meteorological forcing input over the 3-day period before the date of the forecast run. It includes the fillup day (usually one day only) with 1st 24 hours of the ENS-control as forcing, and 2 days (or less, if the fillup period with ENS-control is longer than just the 1 day previous the forecast run) of ERA5T forcing. The deviation from the ERA5 climate mean is normalised by the standard deviation based on the reference climatology. 

Map based on LISFLOOD grid 

Map based on ERA5 grid

NANA

Initial 3-day snow melt anomaly

Anomaly [unitless] of the accumulated snow melt from meteorological forcing input over the 3-day period before the date of the forecast run. It includes the fillup day (usually one day only) with 1st 24 hours of the ENS-control as forcing, and 2 days (or less, if the fillup period with ENS-control is longer than just the 1 day previous the forecast run) of ERA5T forcing. The deviation from the ERA5 climate mean is normalised by the standard deviation based on the reference climatology. 

Map based on LISFLOOD grid 

Map based on ERA5 grid

NANA

Initial snow cover anomaly

Daily mean snow cover anomaly [unitless] from meteorological forcing input for the 24-hour period (00-00 UTC) before the date of the forecast run. The deviation from the ERA5 climate mean is normalised by the standard deviation based on the reference climatology. 

Map based on LISFLOOD grid 

Map based on ERA5 grid

NANA

Initial soil moisture anomaly

Soil Wetness Index (root-zone; see Model Output) anomaly [unitless] from meteorological forcing input at initial time (00 UTC) on the day of the forecast run from GloFAS v4. For previous versions the soil moisture is expressed as a ratio between the soil water content in the top layer (currently with 7 cm depth) compared with the maximum water content that this soil layer can hold. The deviation from the ERA5 climate mean is normalised by the standard deviation based on the reference climatology. 

Soil moisture is expressed as a ratio between the soil water content in the top layer (currently with 7 cm depth) compared with the maximum water content that this soil layer can hold.


Map based on LISFLOOD grid 

Map based on ERA5 grid


NANA

Initial 2m temperature anomaly

Daily mean 2m temperature anomaly [unitless] from meteorological forcing input (namely the first 24 hours of the ENS-control) for the 24-hour period (00-00 UTC) before the date of the forecast run. The deviation from the ERA5 climate mean is normalised by the standard deviation based on the reference climatology. 

Map based on LISFLOOD grid 

Map based on ERA5 grid

NANA