ized ▁model ▁developed ▁by ▁the ▁Federal ▁Emer gency ▁Management ▁Agency ▁( FE MA ), ▁United ▁States ▁Army ▁Corps ▁of ▁Engine ers ▁( US ACE ), ▁and ▁the ▁National ▁We ather ▁Service ▁( N WS ), ▁to ▁estimate ▁storm ▁sur ge ▁depth s ▁resulting ▁from ▁historical , ▁hypoth et ical , ▁or ▁predicted ▁h urr ican es . ▁The ▁model ▁functions ▁by ▁taking ▁into ▁account ▁a ▁storm ' s ▁pressure , ▁size , ▁forward ▁speed , ▁forec ast ▁track , ▁wind ▁spe eds , ▁and ▁top ographical ▁data . ▁ ▁SL OS H ▁is ▁used ▁to ▁evaluate ▁the ▁threat ▁from ▁storm ▁sur ge , ▁and ▁emer gency ▁man agers ▁use ▁this ▁data ▁to ▁determine ▁which ▁areas ▁must ▁be ▁ev acu ated . ▁SL OS H ▁output ▁is ▁used ▁by ▁the ▁National ▁H urr icane ▁Program ▁( N HP ) ▁when ▁conduct ing ▁H urr icane ▁Ev acu ation ▁Studies ▁as ▁a ▁ha z ard ▁analysis ▁tool ▁for ▁assist ing ▁with ▁the ▁creation ▁of ▁state ▁and ▁local ▁h urr icane ▁ev acu ation ▁plans ▁or ▁zones . ▁SL OS H ▁model ▁results ▁are ▁combined ▁with ▁road way ▁network ▁and ▁traffic ▁flow ▁information , ▁ra inf all ▁amounts , ▁river ▁flow , ▁or ▁wind - dri ven ▁waves ▁to ▁determine ▁a ▁final ▁analysis ▁of ▁at - ris k ▁areas . ▁ ▁References ▁ ▁External ▁links ▁▁ ▁F EMA / Sur ge ▁map ▁server ▁▁▁ ▁Category : T rop ical ▁cy clone ▁meteor ology ▁Category : N umer ical ▁climate ▁and ▁weather ▁models ▁Category : S cient