Decoded British Isles SYNOP weather reports

Weather data for 2023Sep29-18Z 
Year Mon Da ZZ Site  N dd ff VV  temp  dewp   mslp  ptendency ww WW  Rain H  maxT  minT  Tg sss* GG GGh ffu
2023 Sep 29 18 03002 8 25 22 73  11.8   9.4  999.2  +2.1 nowR 23 //    .2 2  14.5                32 WW  kn  AWS Baltasound
2023 Sep 29 18 03005 8 25 11 68  11.3   9.7 1001.0                                                      kn  AWS Lerwick
2023 Sep 29 18 03008 8 26 26 69  11.9   9.5 1002.4  +2.3 R    21 //    .4 2  14.5                38 10m kn  AWS Fair Isle
2023 Sep 29 18 03017 4 26 14 //  11.1   9.0 1005.8            60 //                                     kn  AWS Kirkwall
2023 Sep 29 18 03023 8 27 10 //  12.9   9.4 1014.5                                                      kn  AWS South Uist Range
2023 Sep 29 18 03026 8 26 18 83  11.1   8.4 1011.6  +4.6 nowS 40 //    .6 2  15.1                       kn  AWS Stornoway
2023 Sep 29 18 03031 8 28 22 83  10.4   8.0 1011.5  +3.5 R    21 // 009.0 2  12.9                30 10m kn  AWS Loch Glascarnoch
2023 Sep 29 18 03034 8 26 14 80  12.6   9.2 1012.9  +4.2 nowR 21 // 005.0 2  14.7                23 10m kn  AWS Aultbea
2023 Sep 29 18 03039 / 28 29 //   6.2   6.2                   // //                                     kn  AWS Bealach No Ba
2023 Sep 29 18 03041 / 24 37 //   4.8   4.8                   // //                                     kn  AWS Aonach Moor
2023 Sep 29 18 03044 8 24 17 82  11.3   7.3 1010.0  +5.5 nowR 21 // 001.0 2  15.6                27 10m kn  AWS Altnaharra
2023 Sep 29 18 03047 8 00 06 72  11.9   8.3 1014.7  +3.0 nowR 61 // 008.0 2  13.9                17 10m kn  AWS Tulloch Bridge
2023 Sep 29 18 03062 6 27 23 89  13.2   7.1 1010.3  +4.4 nowR          .0 2  16.6                31 10m kn  AWS Tain Range
2023 Sep 29 18 03063 0 // 04 86  11.6   6.7 1012.3                                                      kn  AWS Aviemore
2023 Sep 29 18 03065 / 27 47 //   3.7   3.7                   // //                                     kn  AWS Cairngorm
2023 Sep 29 18 03066 8 25 06 //  13.7   8.7 1011.5                                                      kn  AWS Kinloss
2023 Sep 29 18 03068 7 26 11 //  13.6   8.5 1010.8                                                      kn  AWS Lossiemouth
2023 Sep 29 18 03072 / // // //   7.0   5.3                   // //                                     kn  AWS Cairnwell
2023 Sep 29 18 03075 6 28 10 //  11.2   8.6 1008.2            21 //                                     kn  AWS Wick
2023 Sep 29 18 03080 1 29 07 81  12.5   7.3 1011.5  +3.6 nowR          .0 2  17.5                23 WW  kn  AWS Aboyne
2023 Sep 29 18 03088 7 25 20 81  13.3   7.8 1011.7  +2.6 nowR          .0 2  16.3                30 10m kn  AWS Inverbervie
2023 Sep 29 18 03091 1 27 16 89  14.7   6.3 1011.1  +3.2 nowR          .0 2  17.9                25 10m kn  AWS Aberdeen Dyce
2023 Sep 29 18 03100 8 27 17 66  12.9  10.8 1016.9  +2.7 R    40 //    .8 2  15.2                       kn  AWS Tiree
2023 Sep 29 18 03105 4 27 18 66  13.4   9.7 1018.5  +2.1 R             .2 2  15.8                25 WW  kn  AWS Port Ellen
2023 Sep 29 18 03111 0 27 18 70  13.9   9.3 1018.1  +1.8 R             .0 2  16.6                25 10m kn  AWS Machrihanish
2023 Sep 29 18 03132 4 26 04 //  12.3   9.6 1019.1                                                      kn  AWS West Freugh
2023 Sep 29 18 03134 0 26 11 77  12.4   9.5 1016.4  +1.8 nowR       002.0 2  16.3                17 10m kn  AWS Glasgow Bishopton
2023 Sep 29 18 03136 3 24 08 //  14.0   9.7 1017.9                                                      kn  AWS Prestwick
2023 Sep 29 18 03144 5 24 16 81  13.4   8.8 1014.1  +2.3 nowS          .0 2  16.3                24 10m kn  AWS Strathallan
2023 Sep 29 18 03153 0 24 13 75  13.5  11.2 1018.1  +1.6 nowR          .0 2  16.2                17 10m kn  AWS Dundrennan
2023 Sep 29 18 03155 0 26 16 83  11.0   8.3 1016.9  +2.1 nowR          .0 2  14.9                23 10m kn  AWS Drumalbin
2023 Sep 29 18 03158 3 25 13 83  13.2   8.2 1015.4  +2.5 nowR          .0 2  16.5                20 10m kn  AWS Charterhall
2023 Sep 29 18 03162 8 26 04 81  12.6   7.8 1018.1  +3.0 nowR          .0 2  16.0                09 10m kn  AWS Eskdalemuir
2023 Sep 29 18 03166 0 25 05 //  12.6   9.2 1015.9                                                      kn  AWS Edinburgh Gogarbank
2023 Sep 29 18 03171 0 26 09 //  13.1   8.8 1013.9                                                      kn  AWS Leuchars
2023 Sep 29 18 03204 7 25 08 //  15.2  12.2 1020.1  +1.7 nowR // //    .0 2  17.0                12 10m kn  AWS Ronaldsway
2023 Sep 29 18 03210 5 27 17 74  13.8  10.9 1019.3  +1.4 nowR          .0 2  15.7                27 WW  kn  AWS St Bees Head
2023 Sep 29 18 03212 8 26 07 61  14.3   9.0 1019.2  +2.0 nowR 10 //    .0 2  16.1                14 10m kn  AWS Keswick
2023 Sep 29 18 03214 8 24 14 77  15.3  11.3 1019.9  +1.5 nowR          .0 2  16.6                21 WW  kn  AWS Walney Island
2023 Sep 29 18 03220 3 // // 73  13.7  12.0 1018.4  +2.4 nowR 23 // 002.0 2  16.5                       kn  AWS Carlisle
2023 Sep 29 18 03224                                          // //                                     kn  AWS Spadeadam
2023 Sep 29 18 03225 8 25 05 77  12.4  11.0 1019.4  +1.9 R    61 //    .4 2  15.8                09 10m kn  AWS Shap Fell
2023 Sep 29 18 03226 8 25 10 75  12.5  10.4 1018.8  +1.8 nowR          .0 2  15.7                17 10m kn  AWS Warcop Range
2023 Sep 29 18 03316 0 26 // //  15.2  10.8 1021.3                                                      kn  AWS Crosby
2023 Sep 29 18 03318 / 26 16 //  14.9  11.8                   // //    .0 2                             kn  AWS Blackpool
2023 Sep 29 18 03230 8 22 09 76  12.9   9.8 1017.3  +2.8 nowR // //    .0 2  16.0                17 WW  kn  AWS Redesdale
2023 Sep 29 18 03238 6 25 // //  13.0  10.3 1017.5            23 //                                     kn  AWS Albermarle
2023 Sep 29 18 03240 7 23 10 82  14.5  10.1 1016.7  +2.7 nowR          .0 2  17.9                14 10m kn  AWS Boulmer
2023 Sep 29 18 03257 2 24 10 80  13.8   9.7 1019.9  +2.3 nowR          .0 2  18.1                14 10m kn  AWS Leeming
2023 Sep 29 18 03265 2 24 // //  14.1  10.0 1020.2                                                      kn  AWS Topcliffe
2023 Sep 29 18 03275 0 22 // //  12.8   9.6 1019.2                                                      kn  AWS Loftus
2023 Sep 29 18 03281 / 25 12 //  12.3   8.5                   // //    .0 2                             kn  AWS Fylingdales
2023 Sep 29 18 03292 0 25 09 //  15.2   9.2 1019.5  +2.3 nowR // //    .0 2  19.2                15 10m kn  AWS Bridlington
2023 Sep 29 18 03344 8 24 // //  12.6   9.2 1021.0                                                      kn  AWS Bingley
2023 Sep 29 18 03346 / 27 11 //  12.1   9.0                   // //    .0 2                             kn  AWS Emley Moor No.2
2023 Sep 29 18 03377 1 25 07 83  15.6   8.8 1021.5  +2.1 nowR          .0 2  18.8                10 10m kn  AWS Waddington
2023 Sep 29 18 03379 / // 05 89  13.4   8.6 1021.7            // //                                     kn  AWS Cranwell
2023 Sep 29 18 03382 0 24 08 //  14.8   9.2 1020.0  +2.0 nowR // //    .0 2  19.0                12 10m kn  AWS Leconfield
2023 Sep 29 18 03385 0 22 07 69  15.2   9.3 1020.7  +2.0 nowR                18.8                10 10m kn  AWS Donna Nook
2023 Sep 29 18 03391 / // 04 86  14.1   9.8 1021.5            // //                                     kn  AWS Coningsby
2023 Sep 29 18 03392 / // 03 80  14.2  10.2 1021.4            // //                                     kn  AWS Wainfleet
2023 Sep 29 18 03302 1 22 // //  15.2  12.3 1021.7                                                      kn  AWS Valley
2023 Sep 29 18 03301 1 22 11 60  13.8  11.7 1021.8  +1.3 nowR          .0 2  16.5                17 WW  kn  AWS Raf Mona
2023 Sep 29 18 03305 8 22 16 80  13.1  10.6 1022.3  +1.5 nowR          .2 2  15.1                21 10m kn  AWS Capel Curig
2023 Sep 29 18 03313 0 23 07 78  13.6   9.6 1021.5  +1.2 R             .0 2  17.6                12 10m kn  AWS Rhyl
2023 Sep 29 18 03321 0 23 03 84  14.3   9.6 1021.9  +1.6 nowR          .0 2  18.7                06 10m kn  AWS Hawarden
2023 Sep 29 18 03405 1 22 // //  14.2  11.4 1023.0                                                      kn  AWS Aberdaron
2023 Sep 29 18 03409 / 26 04 //  12.5   9.7 1022.5  +1.6 nowR // //    .2 2  15.6                11 WW  kn  AWS Bala
2023 Sep 29 18 03410 0 24 11 76  10.5   8.4 1022.4  +1.0 nowR          .0 2  14.5                15 10m kn  AWS Lake Vrynwy
2023 Sep 29 18 03502 / // 05 72  12.7  10.9 1023.5            // //                                     kn  AWS Aberporth
2023 Sep 29 18 03503 1 20 03 69  13.9  10.9 1023.5  +1.7 nowR          .0 2  17.6                12 WW  kn  AWS Trawscoed
2023 Sep 29 18 03507 / // 03 75  11.4   9.1 1023.5            // //                                     kn  AWS Sennybridge
2023 Sep 29 18 03604 2 26 09 75  14.7  12.0 1023.6  +0.8 nowR          .0 2  17.6                15 WW  kn  AWS Milford Haven
2023 Sep 29 18 03605 0 27 14 60  15.5  11.3 1023.9  +1.2 nowR 10 //    .0 2  17.7                18 10m kn  AWS Pembrey Sands
2023 Sep 29 18 03609 / 26 11 //  14.7  10.7 1024.6  +1.3 nowR // //    .0 2  17.3                13 10m kn  AWS Mumbles
2023 Sep 29 18 03716 3 27 10 71  14.8  10.6 1024.0  +1.3 nowR          .0 2  17.9                14 10m kn  AWS St Athan
2023 Sep 29 18 03330 4 26 // //  11.6   7.7 1022.3                                                      kn  AWS Leek Thorncliffe
2023 Sep 29 18 03354 0 25 // //  14.4   8.5 1022.0                                                      kn  AWS Nottingham Wea Cen
2023 Sep 29 18 03414 0 24 // //  13.1       1022.7                                                      kn  AWS Shawbury
2023 Sep 29 18 03520 1 29 03 84  13.8   9.2 1023.0  +1.9 nowR 23 //    .0 2  18.7                05 10m kn  AWS Shobdon
2023 Sep 29 18 03522 0 24 // //  14.3   9.7 1023.7                                                      kn  AWS Hereford Credenhill
2023 Sep 29 18 03529 3 26 05 82  15.5   9.8 1023.2  +1.8 nowR          .2 2  19.1                09 10m kn  AWS Pershore
2023 Sep 29 18 03535 1 23 // //  13.9   6.9 1022.5                                                      kn  AWS Coleshill
2023 Sep 29 18 03544 0 24 02 83  13.9   8.6 1022.5  +1.6 nowR 23 //    .2 2  18.6                03 10m kn  AWS Church Lawford
2023 Sep 29 18 03647 0 25 // //  12.8  10.2 1023.3            // //                                     kn  AWS Little Rissington
2023 Sep 29 18 03649 / // 03 81  14.7  10.3 1023.6            // //                                     kn  AWS Brize Norton
2023 Sep 29 18 03658 0 23 04 80  14.7  10.2 1023.4  +1.6 nowR          .0 2  19.2                06 10m kn  AWS Benson
2023 Sep 29 18 03462 0 24 05 83  14.2   8.4 1021.7  +1.6 nowR          .0 2  19.0                06 10m kn  AWS Wittering
2023 Sep 29 18 03469 1 26 06 81  14.7   9.7 1021.5  +1.7 nowR          .0 2  19.3                08 10m kn  AWS Holbeach
2023 Sep 29 18 03482 / // 02 81  12.2   9.1 1022.0            // //                                     kn  AWS Marham
2023 Sep 29 18 03488 0 22 10 //  14.9   9.9 1021.0  +1.4 R    // //    .0 2  19.5                13 WW  kn  AWS Weybourne
2023 Sep 29 18 03931 0 20 04 69  14.8   9.3 1021.6  +1.6 R             .0 2  19.3                06 10m kn  AWS Tibenham
2023 Sep 29 18 03560 0 23 03 80  14.7   8.5 1022.7  +1.6 nowR          .0 2  18.7                05 10m kn  AWS Bedford
2023 Sep 29 18 03680 / // // //  13.5   9.0 1023.1  +1.4 nowR // //    .2 2  18.1                       kn  AWS Rothamsted
2023 Sep 29 18 03590 0 25 04 85  12.9   8.6 1022.3  +1.5 nowR          .0 2  18.6                05 10m kn  AWS Wattisham
2023 Sep 29 18 03684 0 24 05 80  13.7   9.0 1022.6  +1.5 nowR          .0 2  18.7                06 10m kn  AWS Andrewsfield
2023 Sep 29 18 03693 / // // //  15.0   8.0 1023.2            // //                                     kn  AWS Shoeburyness
2023 Sep 29 18 03707 / // // //  14.9  11.7 1024.4            // //                                     kn  AWS Chivenor
2023 Sep 29 18 03710 1 28 03 70  10.9   9.5 1024.9  +1.2 nowR // //    .0 2  17.5                05 10m kn  AWS Liscombe
2023 Sep 29 18 03803 / // // 57  14.7  13.4 1025.2            // //                                     kn  AWS Scilly St Marys
2023 Sep 29 18 03808 1 25 04 74  13.4  11.1 1025.2  +0.7 nowR          .0 2  17.2                05 10m kn  AWS Camborne
2023 Sep 29 18 03809 / 26 // //  14.3  11.6 1025.2            // //                                     kn  AWS Culdrose RNAS
2023 Sep 29 18 03823 0 29 04 76  12.8  10.5 1024.7  +0.3 nowR          .0 2  17.0                06 10m kn  AWS Cardinham
2023 Sep 29 18 03827 1 27 05 70  14.3  10.4 1025.0  +0.9 nowR          .2 2  19.1                10 WW  kn  AWS Plymouth
2023 Sep 29 18 03840 / // // //  12.3   9.5 1024.8            // //                                     kn  AWS Dunkeswell
2023 Sep 29 18 03853 / // // 82  14.1   9.7 1024.4            // //                                     kn  AWS Yeovilton
2023 Sep 29 18 03844 0 30 04 //  13.3   9.6 1024.6  +1.2 nowR // //    .0 2  19.4                06 10m kn  AWS Exeter AirportNo2
2023 Sep 29 18 03930 / // // 80  14.5  10.7 1024.1            // //                                     kn  AWS Almondsbury
2023 Sep 29 18 03672 / // 02 80  15.8   9.5 1023.5            // //                                     kn  AWS Northolt
2023 Sep 29 18 03740 0 // // //  13.8  10.6 1024.0  +1.6 nowR // //    .0 2                             kn  AWS Lyneham
2023 Sep 29 18 03743 / // // 75  13.8   9.6 1024.4            // //                                     kn  AWS Larkhill
2023 Sep 29 18 03746 / 28 // //  13.8   9.5 1024.4            // //                                     kn  AWS Boscombe Down
2023 Sep 29 18 03749 0 24 04 81  14.3   9.3 1024.0  +1.4 R             .0 2  19.0                06 10m kn  AWS Middle Wallop
2023 Sep 29 18 03761 / // // 80  14.8   8.8 1024.0            // //                                     kn  AWS Odiham
2023 Sep 29 18 03769 / 26 // //  12.9   9.4 1023.6            // //                                     kn  AWS Charlwood
2023 Sep 29 18 03770 / // // //  16.2   9.6                   // //    .0 2                             kn  AWS St James Park
2023 Sep 29 18 03772 / 25 // //  16.5   9.8 1023.5            // //                                     kn  AWS Heathrow
2023 Sep 29 18 03781 0 26 05 80  14.2   9.2 1023.5  +1.5 nowR          .0 2  18.3                08 10m kn  AWS Kenley
2023 Sep 29 18 03796 / 28 07 //  14.7   9.0 1023.5  +1.8 nowR // //          20.6                09 10m kn  AWS Langdon Bay
2023 Sep 29 18 03797 / 27 // //  14.0   8.7 1023.4            // //                                     kn  AWS Manston
2023 Sep 29 18 03857 1 26 14 60  16.3  13.7 1024.4  +0.9 nowR          .0 2  18.5                21 WW  kn  AWS Isle of Portland
2023 Sep 29 18 03862 7 27 05 72  15.5  12.0 1024.3  +1.5 nowR          .0 2  19.7                08 10m kn  AWS Bournemouth Hurn
2023 Sep 29 18 03866 / 26 16 //  16.3  12.9 1024.0  +1.2 nowR // //    .0 2  18.0                21 10m kn  AWS St Catherines Point
2023 Sep 29 18 03872 0 26 11 70  16.1  12.3 1024.0  +1.6 nowR          .0 2  19.9                15 10m kn  AWS Thorney Island
2023 Sep 29 18 03876 / 26 11 //  16.2  12.7 1024.0  +1.7 nowR // //    .0 2  19.8                14 10m kn  AWS Shoreham
2023 Sep 29 18 03882 / // // 61  15.1  13.0 1023.8            // //                                     kn  AWS Herstmonceux
2023 Sep 29 18 03894 5 26 06 81  13.7  11.4 1026.0  +0.9 nowR                17.7                       kn      Guernsey Airport
2023 Sep 29 18 03895 1 30 05 69  14.5  10.7 1025.7  +0.8 R             .0 2  18.0                08 10m kn  AWS Jersey Airport
2023 Sep 29 18 03901 2 24 03 //  12.6  10.3 1019.8  +1.6 nowR // //    .6 2  16.9                04 10m kn  AWS Thomastown
2023 Sep 29 18 03904 / // // 80  11.9   9.9 1019.8            // //                                     kn  AWS Castlederg
2023 Sep 29 18 03907 0 25 11 70  13.4  10.1 1019.1  +2.2 nowR          .2 2  16.1                15 10m kn  AWS Magilligan
2023 Sep 29 18 03911 0 24 05 71  11.7   9.1 1020.1  +2.1 nowR 22 //    .6 2  14.3                10 10m kn  AWS Lough Fea
2023 Sep 29 18 03915 / 24 // //  12.5   9.2 1019.4            // //                                     kn  AWS Port Glenone
2023 Sep 29 18 03916 1 27 10 80  11.9   8.6 1019.0  +2.2 R             .0 2  15.8                14 10m kn  AWS Ballypatrick Forest
2023 Sep 29 18 03917 6 24 09 81  13.7   9.7 1019.8  +2.0 nowR          .2 2  16.8                13 10m kn  AWS Aldergrove
2023 Sep 29 18 03923 3 27 03 82  12.2   9.5 1019.9  +1.7 nowR          .6 2  16.6                07 10m kn  AWS Glennane
2023 Sep 29 18 03953 / 17 02 74  13.5  11.7 1021.7  +0.2 nowF 22 5/    .6 2  16.4                       m/s AWS Valentia
2023 Sep 29 18 03955 7 26 04 80  12.8   9.5 1022.9  +1.1 R             .4 2  16.4                       m/s     Cork Airport
2023 Sep 29 18 03956 / 24 03 71  13.6  11.4 1022.7  +1.1 nowR          .0 2                             m/s AWS Johnstown Castle
2023 Sep 29 18 03962 7 24 03 70  13.7  10.2 1022.0  +1.0 R    03 81 001.0 2  16.8                       m/s     Shannon Airport
2023 Sep 29 18 03967 5 24 05 82  13.1   9.9 1021.3  +1.6 nowR 03 81    tr 2  16.5                       m/s     Casement Aerodrome
2023 Sep 29 18 03969 7 25 03 81  13.7   9.3 1021.4  +2.3 nowR 03 81    .2 2  16.4                       m/s     Dublin Airport
2023 Sep 29 18 03973 5 24 03 80  11.5   9.5 1021.1  +1.5 R    03 81 002.0 2  15.1                       m/s     Connaught Airport
2023 Sep 29 18 03976 / 23 04 66  13.4  10.6 1020.0  +1.2 R    01 8/ 001.0 2  15.7                       m/s AWS Belmullet
2023 Sep 29 18 03952 / 23 05 69  13.7  12.0 1022.9  +1.3 R             .0 2  16.7                       m/s AWS Roches Point
2023 Sep 29 18 03970 / 23 02 //  12.9   9.9 1020.8  +1.4 nowF // //    .1 2                             m/s AWS Claremorris
2023 Sep 29 18 03971 / 24 02 80  12.4   8.8 1021.2  +1.5 nowR 02 5/    .1 2  17.0                       m/s AWS Mullingar
2023 Sep 29 18 03978 / 27 06 56  13.4  10.3 1020.1  +1.7 nowR 04 81 002.0 2                             m/s AWS Finner
2023 Sep 29 18 03961 / 00 00 80  13.9  10.6 1022.1  +1.1 R             .1 2  17.8                       m/s AWS Oak Park
2023 Sep 29 18 03979 / 22 02 81  13.0  10.1 1020.4  +1.8 R    01 8/ 002.0 2  16.9                       m/s AWS Ballyhaise
2023 Sep 29 18 03966 / 22 02 80  12.6  10.1 1022.0  +1.4 R             .8 2  16.9                       m/s AWS Gurteen
2023 Sep 29 18 03963 / 25 06 64  13.9   9.9 1021.0  +1.0 R             .0 2  15.9                       m/s AWS Mace Head
2023 Sep 29 18 03951 / 22 02 59  13.7  11.8 1022.4  +0.3 nowF 10 1/    .0 2  15.7                       m/s AWS Sherkin Island
2023 Sep 29 18 03980 / 28 09 66  13.1  10.2 1018.9  +2.2 R    22 8/    tr 2  15.8                       m/s AWS Malin Head
Year Mon Da ZZ Site  N dd ff VV  temp  dewp   mslp  ptendency ww WW  Rain H  maxT  minT  Tg sss* GG GGh ffu

AWS in place name - Automatic Weather Station (different ww codes)

Year - year
Mon - month
Da - day of month
ZZ - observation time (GMT)
Site - WMO site number
N - cloud cover (oktas, 9=obscured)
dd - wind direction (deg)
ff - wind speed (see ffu)
VV - visibility (code)
temp - air temperature (C)
dewp - dew point (C)
mslp - mean sea level pressure (mb)
ptendency - 3-hour pressure change (mb) and tendency
ww - current weather (code)
ww - current weather (AWS)(code)
WW - past weather (code)
Rain - total precipitation (mm)
H - 1: 6h precipitation measurement; 2: 12h precipitation measurement
maxT - maximum temperature (C)
minT - air minimum temperature (C)
Tg - grass minimum temperature (C)
sss - sunshine for the previous day (h)
GG - maximum wind gust
GGh - period of gust; 10minutes or W1W2 period
ffu - wind units; m/s or kn.

See here for summary details of the month so far.


This page is maintained by r.brugge@reading.ac.uk