Cryptic crossword No 1,970

Across

1. Troubled University to South West missing last year's opening (6)
2. Grumble when rogue travels around North (6)
3. Swearing very loudly in western meadow (6)
4. It comes at midnight - male sadness after losing face (8)
5. Measure of Cognac merits tip (4)
6. Yielding location of postscript?  (10)
7. Tart's newest nude circulating around West (11)
8. Take drugs and drinks into North-West for adult entertainment (10)
9. Dishes from Portugal (that's north) (4)
10. Flipping VAR interrupting short cross (8)
11. Alcohol I found in journeys to the East (6)
12. Perhaps skipper's become unwell pursuing Northern gold (6)
13. Communist to look for audience deep in the southern hemisphere (3,3)

Down

1. Make an appearance on French side (7)
2. I opened a building of motherly love! (8)
3. Applications from wise man in America (6)
4. Heads of Paralympics and Olympics abandon gymnastics apparatus (parallel bars?) (8)
5. Hotel uniform is placed around bedroom in arrogance (6)
6. Change nothing in court when coming up with case for violence (6)
7. Firm friends from the same place (11)
8. Eastern looter confused after a final defeat (8)
9. Nuclear emission evaluation has India as least complete (8)
10. Sets out northern pastries ... (6)
11. ... tempting lady in food shop with toppings from Lancaster, Ambleside and Harrogate (7)
12. Where blood flows it's gathered fruitlessly (2,4)
13. Holiday further west? (6)