One Sigmet You Don’t Want To Miss

Just came across this sigmet today:

WSJP31 RJTD 030330
RJJJ SIGMET A01 VALID 030330/030730 RJTD-
RJJJ FUKUOKA FIR RDOACT CLD FCST WI N3718 E14052 - N3714 E14102 -
N3718 E14112 - N3725 E14115 - N3733 E14112 - N3736 E14102 - N3733
E14052 - N3725 E14048 - N3718 E14052 STNR INTST UNKNOWN=

Yup, that’s right: Radioactive Cloud. Stay away! It’s also being depicted on the SIGWX charts for the region:

Interestingly, yesterday Nav Canada was doing quite a few tests of their systems. They issued test sigmets and test volcanic ash sigmets:

WVCN34 CWUL 022104
SIGMET A1 VALID 022105/030105 CWUL-
WTN AREA BOUNDED BY /5819N06313W/20 W SAGLEK - /5819N06545W/100 W
SAGLEK - /5719N06429W/85 SW SAGLEK - /5819N06313W/20 W SAGLEK.
TEST TEST THIS IS A TEST. VOLCANIC ASH FCST 200/300. WRANGELL VOLCANO
6200N14410W ERUPTED AT 281200Z. ASH QS AND DSIPTG NXT 2 HR. TEST TEST
THIS IS A TEST.
END/GFA34/JB/EH/CMAC-W

 

WSCN02 CWUL 021755
CZQX SIGMET W1 CANCELLED AT 021755 CWUL-
GANDER OCEANIC FIR.
TEST...TEST...TEST.
END/GANDER OCEANIC/CMAC-E/FDION

Hopefully the tests passed 😉