Alaska diversion airfields

[Flying Guy]

I saw the topic on Canadian diversion airfields and liked it so . . .

When flying Asia to Anchorage, what are diversion airfields suitable for widebody - in my case 747 classic.

Specifically, is cold bay still open and plowed? Also Shemya, I keep hearing that it is not plowed and other swear it is plowed and could be used if desperate.

Thanks - Flying Guy