Nuclear emergency warning issued for 10 airspace regions

[United]

http://www.flightglobal.com/articles/20 ... gions.html

What does this mean? Is this just an advisory, or should an aircraft avoid these FIR's?

This is an Eurocontrol NOTAM.
NUCLEAR EMERGENCY
DTG: 20110315/0300UTC
ORIGIN: VAAC LONDON
INFO SOURCE: IAEA
STATUS: EMERGENCY
SITE: FUKUSHIMA
LOCATION: N0037E0141
START OF RELEASE: 20110315/0300 UTC
END OF RELEASE: ONGOING
FIR NAMES: FUKUOKA, MANILA, TAIBEI, SHANGHAI, INCHEON,
PYONGYANG, VLADIVOSTOK, KHABAROVSK, YUZHNO-SAKHALINSK, ANCHORAGE.
FIR CODES: RPHIZRZX, RCAAZQZX, ZSSSYMYX, RKRRZQZX,
UHWWZRZX, UHHHZRZX, UHSSZRZX, PAZAZQZX

United

[flying_kiwi]

http://www.flightglobal.com/articles/20 ... gions.html

What does this mean? Is this just an advisory, or should an aircraft avoid these FIR's?

This is an Eurocontrol NOTAM.
NUCLEAR EMERGENCY
DTG: 20110315/0300UTC
ORIGIN: VAAC LONDON
INFO SOURCE: IAEA
STATUS: EMERGENCY
SITE: FUKUSHIMA
LOCATION: N0037E0141
START OF RELEASE: 20110315/0300 UTC
END OF RELEASE: ONGOING
FIR NAMES: FUKUOKA, MANILA, TAIBEI, SHANGHAI, INCHEON,
PYONGYANG, VLADIVOSTOK, KHABAROVSK, YUZHNO-SAKHALINSK, ANCHORAGE.
FIR CODES: RPHIZRZX, RCAAZQZX, ZSSSYMYX, RKRRZQZX,
UHWWZRZX, UHHHZRZX, UHSSZRZX, PAZAZQZX

United

Advisory only, as if flights had to avoid those FIRs, there wouldn't be any traffic allowed to or within Japan, Korea, Philippines, Taiwan, Alaska or eastern China. Also there wouldn't be any transpacific traffic possible, as the route around that airspace would be too far to fly with any payload.

Yorden