Weather . Omagh has a history of flooding and suffered major floods in 1909, 1929, 1954, 1969, 1987, 1999 and, most recently, 12 June 2007. Flood-walls have been built to keep the water in the channel (River Strule) and to prevent it from overflowing into the
flood plain. Large areas of land, mainly around the
meanders, are unsuitable for development and were developed into large, green open areas, walking routes and parks. The
Köppen Climate Classification subtype for this climate is "
Cfb" (Marine West Coast Climate/
Oceanic climate).
Wards The following wards cover the town: • Camowen (2001 population: 2,377) • Coolnagard (2,547) • Dergmoney (1,930) • Drumragh (2,481) • Gortrush (2,786) • Killyclogher (2,945) • Lisanelly (2,973) • Strule (1,780)
Administrative areas The central urban area south of
River Strule forms the townland of Omagh in the civil parish of
Drumragh, the adjacent area north of the river forms the townland of Lisnamllard in the civil parish of
Cappagh (Upper Strabane portion). Both civil parishes comprise also outskirts of Omagh and some surrounding countryside.
Omagh Urban Electoral Division comprises both townlands.
Townlands in Omagh. The town sprang up within the
townland of Omagh, in the parish of Drumragh. Over time, the urban area has spread into the surrounding townlands. They include: • Campsie () • Conywarren (an old name for a
rabbit warren) • Coolnagard Lower, Coolnagard Upper ( or ) • Crevenagh () • Culmore () • Dergmoney Lower, Dergmoney Upper () • Gortin () • Gortmore () • Killybrack () •
Killyclogher () • Lammy () • Lisanelly () • Lisnamallard () •
Lissan () • Mullaghmore () • Sedennan (possibly ) • Strathroy or Straughroy () ==Economy==