I can give a timeline from what I know and what I can see:
1300 -
XC suspended between GLC and EDB (Glasgow - Edinburgh)
1V93 1300 GLC-RDG last to depart GLC.
1S35 0730 BHM-GLC first to terminate at EDB.
1330 -
OLE issues reported between Fenham and Chathill
1S10 0930 KGX-EDB reported loss of line light at Little Mill LC (just north of Alnmouth).
1S39 0745 RDG-GLC held at NCL.
1340 -
Tree falls on the line at Kenilworth
1O16 1127 MAN-BMH removes it.
1O18 1227 MAN-BMH diverts via Solihull.
1350 -
Tree falls on train between Fenny Compton and Leamington Spa
1S49 1146 SOU-DEE delayed by 20 minutes due to a tree falling on the train; eventually terminates at LDS.
1400 -
XC service suspension extended to Newcastle
1410 -
Train strikes tree; brings down OLE
4N80 1126 Doncaster Down Decoy Gbrf to North Blyth Gbrf strikes a tree at Tursdale Junction, south of DHM; bringing down the OLE.
XC service suspension extended to York.
1420 -
Yet another strike!
1S09 0900 KGX-EDB strikes OLE at Grantshouse; declared a failure.
1S37 0601 GLD-EDB trapped "on block" with no route available to Newcastle.
1455 - XC implements a "reduced train plan" between BHM-SHF-YRK.
1630 - XC cancels all trains between YRK-NCL for the rest of the day.
1800 -
Some extremely late XC trains!
1V93 1300 GLC-RDG arrives at EDB 233L.
1S37 0601 GLD-EDB released from BWK 290L.
1810 -
Train recovery starts
1S09 recovered by Thunderbird; terminates EDB 338L.
1S10 recovered by Thunderbird; terminates ALM 283L.
4N80 remains at site.
1955 -
Update from Durham
Railway reopens for
diesel traffic only, over the
Up Line.
1E56 1324 EXD-NCL shunts clear of end bay at YRK, leaves 36L; eventually terminates at NCL.
And that's what I have so far, painstakingly typed up by hand!