What is SWO?

SWO meaning in Military or Military Slang terminology / glossary / dictionary is:
(U.S.) Staff Weather Officer, (pron. SW-oh) generally refers to any USAF commissioned or non-commissioned officer supporting Army operations downrange or in-garrison. Term of endearment and/or derision depending on current weather forecast, usually prefaced with “F-ing” if said forecast sucks.


reference: Glossary of military slang