This is a chart of surface pressure and anomalies since last December which I’ve gleaned from reanalysis data (for 55N 5W) includes peaks for the anticyclone of 1050 hPa that affected southern parts in mid January, …
Mean MSLP in the northeast quarter-sphere was dominated by a belt of above average pressure (+4 hPa to +7 hPa) that stretched all the way from central Greenland in the NW, down across Iceland and Scotland …
I guessed correctly because as far as I can see Malin Head pipped Tiree to the highest March MSLP in March. At 11 UTC this morning the pressure there was 1051.3 hPa or 31.04″ of mercury. …
This one caught me out. I had committed the cardinal sin of believing that NWP is always right, something that you can usually take for granted, but not always. The 1049.3 hPa at Stornoway at 21 …
We could see a new extreme high MSLP record for the British Isles on Sunday if as expected the 1050 hPa isobar gets close to stations in the northwest. The two favourite locations for this to …
A good chance of a record March Air Pressure being set on Sunday Read More »
The word ‘unusual’ seems to be cropping up in every weather forecast on the TV when describing low ‘Yap’ at the moment, but how unusual are deep lows in August?