Slayt 1 - RTC, Regional Training Centre - Turkey

Written in general form:tAiA i = dependent forecast variables such as u, v, T etc…F(A i ) = advection and physical forcing terms that can becalculated from obs of A iTo get a forecast, integrate from an initial time t 0 to some time in thefuture t 1t11Ai dt Ftt0tt0Using a forward difference expression forAittAAiitdt tgives us:Δt = time step on the order of minutes – repeated severalhundred times to get a 24 and 48 hour forecasttFA1 0We get A A FAidti iFtAitAititt10