12:27 PM PT -- A sketch artist caught Manafort in court Wednesday.

10:00 AM PT -- Manafort just got hit with 16 NEW charges in an NYC indictment tied to a mortgage fraud scheme. Manhattan District Attorney Cyrus Vance Jr. says Manafort will now face 16 felonies for alleged residential mortgage fraud, conspiracy and falsifying business records ... to name just a few.

What's that thing about raining and pouring? It's a monsoon for Manafort.

Paul Manafort is nearly doubling his time behind bars -- another judge just sentenced him to an extra 43 months .... nearly 4 more years in the pen.

President Trump's former campaign manager went through his second sentencing Wednesday in D.C., where a judge presided over the criminal case Robert Mueller's office prosecuted. Manafort got an additional 43 months in prison ... on top of the tax and bank fraud sentence he got last week.

You'll recall ... Manafort got 47 months in that matter. This additional time will bring his full prison sentence to 7 1/2 years.

This second case includes 2 conspiracy charges. Federal prosecutors accused Manafort of witness tampering and obstruction of justice after he was released on bail ... saying he urged 2 witnesses to commit perjury in his defense.

That got him sent back to the slammer, where he's been ever since last June. For the record ... Manafort pled guilty to the 2 conspiracy charges.

Manafort apologized for his crimes during Wednesday's sentencing -- he read a statement from his wheelchair, and begged the judge to "let my wife and I be together." He reminded the judge that he is about to turn 70, and his wife is 66.

Manafort actually got sentenced to 73 months, but the judge allowed 30 of them to be served concurrently with the 47 months for fraud.