There is an avalanche of ratings this morning as Nielsen has released both the delayed Wednesday numbers and the fast nationals for last night. Before we move to Thursday night, here’s a snapshot of the broadcast network’s Wednesday night performance.

There was an invisible tide lifting NBC’s underperforming Wednesday lineup. Whitney (1.3/4) was up 18% from its last original two weeks ago. Guys With Kids (1.4/4) was up 27%, Law & Order: SVU (1.6/4) up 23% and Chicago Fire (1.9/5) up 36%. Freshman Chicago Fire posted a series high in total viewers (7.2 million) and matched its best 18-49 result logged by the series premiere and tied for first place in the 10 PM hour.

Elsewhere, CBS’ Survivor: Philippines (2.9/8) was up 7% from last week, and Criminal Minds (3.0/8) was up a tenth. But The Grammy Nominations Concert (1.5/4) was down 21% from last year despite following a new Criminal Minds vs. a repeat last fall.

On ABC, The Middle (2.3/7) was down 13% from its last original, The Neighbors (1.9/5) was flat, while Suburgatory (2.2/6) was down 12% from its last episode, which followed an original Modern Family vs. a repeat this week. The winter finale of Nashville (1.9/5) was up a tenth. Fox’s The X Factor (2.8) was down a tenth from last week. On the CW, Arrow (1.1/3) was down 15% from last week; Supernatural (0.9/3) was up a tenth.