The city in which the story is set, Seattle, has no local Channel 2 News as shown in the film.
Establishing shots of city skyline are clearly not Seattle: no Space Needle, no Washington Mutual building, no Alaskan Way Viaduct, no ferry terminals.
The bridges in the background of the "helicopter landing" scene are located in Vancouver; Seattle has no suspension bridges.
Most parked cars show British Columbia license plates, rather than the Washington State plates that would be visible if the film had been shot in its stated setting (Seattle) instead of in Vancouver.
If Colonel Forsyth is flown in as an outside military expert, then why does he have a local residence, particularly with the basement as shown?