WVDL32 EDZH 281136 EDVV SIGMET 2 VALID 281200/281600 EDZH- EDVV HANNOVER UIR EXERCISE VOLCEX18 VA ERUPTION MT ORAEFAJOKULL PSN N6400 W01639 VA CLD OBS ENTIRE UIR FL245/550 MOV E NC EXERCISE EXERCISE EXERCISE=