Coventry, who had been defending a five-game unbeaten run, went the same way as Midlands rivals Leicester City, Wolves and Derby County, who had all been beaten at Fortress Hawthorns this season.
Albion sealed only their fourth success in 12 games under the control of Tony Mowbray as Kamara struck twice in the first half to take his tally for the season to ten.
With Jason Koumas on target with his third goal in four games six minutes before half-time, Kevin Phillips pouncing in the 57th minute and Paul Robinson grabbing a late fifth it was a day to forget for Coventry as Albion powered their way back into the promotion picture.
Kamara struck first after just 31 seconds but, amazingly, Coventry, who had the second meanest defence in the Championship before Albion tore it apart, could have been in front by then themselves.
Had their finishing been better and Albion goalkeeper Russell Hoult not been in such good form, Coventry would have had more of a role to play.
But they were undone by Albion's powerful forward line in which Phillips and John Hartson were outstanding.
Albion took full advantage of a let-off in the opening ten seconds when Hoult tipped away Dele Adebola's header after a flick by Stern John.
They only needed a matter of seconds to capitalise as a throughball by Koumas released Kamara who waltzed around goalkeeper Andy Marshall before walking the ball into an empty net.
Albion's lead should have only lasted six minutes as John wasted a golden chance to equalise when his header from Darren Currie's cross was saved by Hoult.
It was a crucial miss as Albion effectively sealed their victory in the 33rd minute when Kamara was hauled down by left-back Marcus Hall. The Senegal international picked himself to convert the spot kick himself.
Coventry's hopes of a comeback were then extinguished after 39 minutes when Phillips released Koumas who drove home his fourth goal of the season at the near post.
Phillips then struck with a low drive from 20 yards to grab his sixth goal of the season - and his first since his hat-trick at Ipswich Town on October 14.
To compound Coventry's misery, left-back Robinson completed the rout when he headed home his first goal of the campaign in the 83rd minute following Jonathan Greening's cross.