 The scope of this article is limited to the Pacific Ocean , north of the equator and west of the International Date Line . Storms that form east of the date line and north of the equator are called hurricanes ; see 2003 Pacific hurricane season . Tropical Storms formed in the entire west Pacific basin are assigned a name by the Tokyo Typhoon Center . Tropical depressions in this basin monitored by the Joint Typhoon Warning Center ( JTWC ) have the " W " suffix added to their number . Tropical depressions that enter or form in the Philippine area of responsibility are assigned a name by the Philippine Atmospheric , Geophysical and Astronomical Services Administration or PAGASA . This can often result in the same storm having two names . 
 The scope of this article is limited to the Pacific Ocean , north of the equator and west of the International Date Line . Storms <a href='null_relcl' title='1'><mark>that</mark></a>form east of the date line and north of the equator are called hurricanes ; see 2003 Pacific hurricane season . Tropical Storms formed in the entire west Pacific basin are assigned a name by the Tokyo Typhoon Center . Tropical depressions in this basin monitored by the Joint Typhoon Warning Center ( JTWC ) <a href='got' title='2'><mark>have</mark></a> the " W " suffix added to their number . Tropical depressions <a href='null_relcl' title='3'><mark>that</mark></a>enter or form in the Philippine area of responsibility are assigned a name by the Philippine Atmospheric , Geophysical and Astronomical Services Administration or PAGASA . This can often result in the same storm having two names . 
The scope of dis article is limited to the Pacific Ocean , north of da equator and west of tdaInternational Date Line . Storms form east of thdaate line and north of the equator are called hurricanes ; see 2003 Pacific hurricane season . Tropical Storms formed in the entire west Pacific basin r assigned a name by thedakyo Typhoon Center . Tropical depressions in tdisbasin monitored by the Joint Typhoon Warning Center ( JTWC ) got the " W " suffix added to their number . Tropical depressions enter or form in the Philippine area of responsibility are assigned a name by the dalippine Atmospheric , Geophysical and Astronomical Services Administration or PAGASA . This can often result in the sda storm having two names .