westerly wind burst
... that a westerly wind burst can spur the formation of twin tropical cyclones across the equatorial Pacific?
... that a <b id="mwTg"><a href="./Westerly_wind_burst" id="mwTw" rel="mw:WikiLink" title="Westerly wind burst">westerly wind burst</a></b> can spur the formation of twin <a href="./Tropical_cyclone" id="mwUA" rel="mw:WikiLink" title="Tropical cyclone">tropical cyclones</a> across the equatorial Pacific?