RJAA 130330Z 22017G32KT 180V250 9999 FEW030 BKN/// 32/22 Q1006 WS R16R WS R16L NOSIG RMK 1CU030 A2973
12-15kt gusts are hardly enough to call the weather unstable. If you can't handle that kind of wind you have no business sitting in the cockpit of any commercial jet.
How's reading the full METAR? I can see crosswind components ranging from 5 to 30 kts.