Decoded British Isles SYNOP weather reports

Weather data for 2018May20-12Z 
Year Mon Da ZZ Site  N dd ff VV  temp  dewp   mslp  ptendency ww WW  Rain H  maxT  minT  Tg sss* GG GGh ffu
2018 May 20 12 03002 / 19 16 60  12.5   9.0 1014.1  +0.1 nowR 57 //    .2 1                             kn  AWS Baltasound
2018 May 20 12 03005 7 18 17 58  11.0   8.6 1014.2  +0.2 R    60 62    tr 1                             kn      Lerwick
2018 May 20 12 03008 6 18 17 62  11.5   8.7 1014.5  -0.1 nowR 01 62    tr 1                      25 WW  kn      Fair Isle
2018 May 20 12 03010 / 21 12 //  12.6  10.2 1012.3  +0.2 nowS // //                                     kn  AWS Sule Skerry
2018 May 20 12 03017 / 17 17 62  13.1   9.3 1013.4  -0.2 F    23 //    tr 1                             kn  AWS Kirkwall
2018 May 20 12 03023 / 19 23 14  11.7  11.4 1011.7  +0.4 nowR 62 // 002.0 1                      30 WW  kn  AWS South Uist Range
2018 May 20 12 03026 / 21 21 50  11.3  10.8 1011.5  +0.2 R    10 //    .8 1                      29 WW  kn  AWS Stornoway
2018 May 20 12 03031 / 22 05 84  15.7  10.0 1013.0  -0.1 nowR          .0 1                             kn  AWS Loch Glascarnoch
2018 May 20 12 03034 / 19 23 83  14.8  10.6 1013.0  +0.2 nowR          tr 1                      32 WW  kn  AWS Aultbea
2018 May 20 12 03039 / 19 32 //   7.6   7.6                   // //                                     kn  AWS Bealach No Ba
2018 May 20 12 03044 / 19 08 83  18.3  10.0 1011.9  -0.2 nowF          .0 1                             kn  AWS Altnaharra
2018 May 20 12 03047 / 18 16 61  14.0   9.6 1016.1  +0.2 nowR 81 //    tr 1                      30 WW  kn  AWS Tulloch Bridge
2018 May 20 12 03062 / 22 15 83  17.6  11.3 1013.4  -0.2 nowR          .0 1                             kn  AWS Tain Range
2018 May 20 12 03063 / 21 09 82  15.2   9.0 1014.7  +1.1 nowR          .0 1                      33 WW  kn  AWS Aviemore
2018 May 20 12 03065 / 19 38 //   5.8   5.8                   // //                                     kn  AWS Cairngorm
2018 May 20 12 03066 / 22 12 84  18.1  10.1 1014.1  -0.0 nowR          .0 1                      29 WW  kn  AWS Kinloss
2018 May 20 12 03068 7 22 19 83  19.6   9.1 1014.4  +0.2 nowR          .0 1                             kn      Lossiemouth
2018 May 20 12 03072 / 20 33 //   6.4   6.4                   // //                                     kn  AWS Cairnwell
2018 May 20 12 03075 / 16 13 72  13.2   8.6 1013.7  -0.1 nowF          .0 1                             kn  AWS Wick
2018 May 20 12 03080 / 21 04 82  15.5   8.6 1016.2  -0.0 nowR          .2 1                             kn  AWS Aboyne
2018 May 20 12 03088 / 20 18 71  10.9   7.8 1018.1  +0.2 nowR          .0 1                             kn  AWS Inverbervie
2018 May 20 12 03091 / 18 14 81  16.4   8.9 1017.0  +0.2 nowR          tr 1                             kn  AWS Aberdeen Dyce
2018 May 20 12 03100 / 16 19 59  11.5  10.4 1013.9  +0.4 nowR 04 //    .2 1                             kn  AWS Tiree
2018 May 20 12 03105 / 14 11 57  10.9  10.5 1016.0  +0.1 nowR 10 // 005.0 1                             kn  AWS Port Ellen
2018 May 20 12 03111 / 13 13 49  10.8  10.0 1016.9  -0.0 nowR // //    .4 1                             kn  AWS Machrihanish
2018 May 20 12 03132 / 17 18 68  13.7  10.0 1019.0  -0.1 F             tr 1                             kn  AWS West Freugh
2018 May 20 12 03134 / 18 07 75  15.7   8.8 1017.5  -0.4 nowR          tr 1                             kn  AWS Glasgow Bishopton
2018 May 20 12 03136 / 17 18 80  17.0   8.5 1017.7  -0.3 F             tr 1                             kn  AWS Prestwick
2018 May 20 12 03144 / 22 08 83  16.3   8.9 1017.9  -0.5 nowS          tr 1                             kn  AWS Strathallan
2018 May 20 12 03148 / 16 22 //   9.6   7.7                   // //                                     kn  AWS Glen Ogle
2018 May 20 12 03153 / 18 17 77  13.1   8.4 1019.7  -0.2 F             tr 1                             kn  AWS Dundrennan
2018 May 20 12 03155 / 20 25 81  13.9   7.1 1018.2  -0.3 F    // //    .0 1                      33 WW  kn  AWS Drumalbin
2018 May 20 12 03158 / 22 15 83  16.7   7.8 1019.3  -0.2 F             .0 1                             kn  AWS Charterhall
2018 May 20 12 03162 / 20 17 72  13.7   6.3 1020.3  +0.0 S             tr 1                             kn  AWS Eskdalemuir
2018 May 20 12 03166 / 20 10 78  16.5   6.4 1018.5  -0.2 nowS          tr 1                             kn  AWS Edinburgh Gogarbank
2018 May 20 12 03171 / 21 14 76  15.8   7.2 1018.6  -0.2 nowS 81 //    tr 1                             kn  AWS Leuchars
2018 May 20 12 03204 7 19 14 68  12.8   8.8 1020.2  -0.2 F    02 62    tr 1                             kn      Ronaldsway
2018 May 20 12 03210 / 18 12 80  14.1   8.4 1020.9  +0.2 R    // //    .0 1                             kn  AWS St Bees Head
2018 May 20 12 03212 / 19 08 81  17.6   4.5 1020.8  -0.2 F             .0 1                             kn  AWS Keswick
2018 May 20 12 03214 / 21 06 77  16.0   7.8 1021.1  -0.3 F             .0 1                             kn  AWS Walney Island
2018 May 20 12 03220 / // // 84  18.0   6.7 1020.4  -0.4 F    // //    .0 1                             kn  AWS Carlisle
2018 May 20 12 03224 / 20 13 82  16.7   7.3 1019.9  -0.2 F             .0 1                             kn  AWS Spadeadam
2018 May 20 12 03225 / 20 12 //  16.4   7.3 1020.9  -0.4 F    // //    .0 1                             kn  AWS Shap Fell
2018 May 20 12 03226 / 27 06 83  17.6   7.9 1020.5  -0.4 nowF          .0 1                             kn  AWS Warcop Range
2018 May 20 12 03227 / 22 22 //  10.3   2.5                   // //                                     kn  AWS Great Dun Fell
2018 May 20 12 03316 / 17 09 84  20.3   9.2 1020.7  -0.8 F             .0 1                             kn  AWS Crosby
2018 May 20 12 03318 / 25 06 //  18.6  10.1                   // //    .0 1                             kn  AWS Blackpool
2018 May 20 12 03230 / 21 10 82  18.2   7.3 1019.9  -0.4 nowF // //    .0 1                             kn  AWS Redesdale
2018 May 20 12 03238 / 25 04 80  19.7   9.0 1019.9  -0.5 F             .0 1                             kn  AWS Albermarle
2018 May 20 12 03240 / 14 11 57  11.7   9.5 1020.7  -0.3 F    04 //    .0 1                             kn  AWS Boulmer
2018 May 20 12 03257 / 15 10 65  20.6   8.6 1021.0  -1.0 F             .0 1                             kn  AWS Leeming
2018 May 20 12 03265 / 14 09 74  20.5  10.5 1021.3  -1.0 F             .0 1                             kn  AWS Topcliffe
2018 May 20 12 03266 / 16 06 69  20.8   8.6 1021.3  -1.0 F    // //    .0 1                             kn  AWS Linton-on-Ouse
2018 May 20 12 03275 / 21 11 82  20.5   9.0 1020.9  -0.4 nowS          .0 1                             kn  AWS Loftus
2018 May 20 12 03281 / 19 11 //  18.2  10.5                   // //    .0 1                             kn  AWS Fylingdales
2018 May 20 12 03292 / 14 12 //   9.4   8.7 1023.2  -0.2 nowS // //    .0 1                             kn  AWS Bridlington
2018 May 20 12 03344 / 20 05 73  20.0   7.8 1020.5  -0.7 nowS          .0 1                             kn  AWS Bingley
2018 May 20 12 03346 / 19 06 //  20.1   9.1                   // //    .0 1                             kn  AWS Emley Moor No.2
2018 May 20 12 03373 / 16 07 71  19.0   9.0 1022.1  -0.6 nowS // //    .0 1                             kn  AWS Scampton
2018 May 20 12 03377 1 15 09 71  19.1   9.3 1022.3  -0.7 nowS          .0 1                             kn      Waddington
2018 May 20 12 03379 1 16 08 70  19.4  10.2 1022.4  -0.8 nowS          .0 1                             kn      Cranwell
2018 May 20 12 03382 / 13 09 66  19.1  12.3 1022.0  -0.6 nowS // //    .0 1                             kn  AWS Leconfield
2018 May 20 12 03385 / 12 13 66  13.5  10.4 1023.2  -0.5 F    // //                                     kn  AWS Donna Nook
2018 May 20 12 03391 1 13 07 75  18.5  10.5 1022.6  -0.9 F             .0 1                             kn      Coningsby
2018 May 20 12 03392 / 11 09 68  15.6  11.2 1023.1  -0.9 nowF // //    .0 1                             kn  AWS Wainfleet
2018 May 20 12 03302 / 18 12 75  13.9   7.9 1020.9  -0.2 F             .0 1                             kn  AWS Valley
2018 May 20 12 03301 / 21 11 77  15.2   8.3 1021.1  -0.2 F    // //    .0 1                             kn  AWS Raf Mona
2018 May 20 12 03305 / 25 14 81  15.8   8.4 1021.3  -0.2 F             .0 1                             kn  AWS Capel Curig
2018 May 20 12 03313 / 23 03 84  21.1   8.8 1020.5  -0.6 nowF // //    .0 1                             kn  AWS Rhyl
2018 May 20 12 03405 / 20 10 81  12.2   7.4 1021.9  -0.2 nowF // //    .0 1                             kn  AWS Aberdaron
2018 May 20 12 03409 / 25 08 //  20.6   9.4 1020.1  -0.9 nowF // //    .0 1                             kn  AWS Bala
2018 May 20 12 03410 / 18 10 84  18.0   8.1 1020.1  -0.9 nowF // //    .0 1                             kn  AWS Lake Vrynwy
2018 May 20 12 03502 / 17 11 82  15.6   2.0 1020.8  -0.1 F             .0 1                             kn  AWS Aberporth
2018 May 20 12 03503 / 22 08 81  19.1   6.5 1020.8  -0.7 F             .0 1                             kn  AWS Trawscoed
2018 May 20 12 03507 / 25 05 83  18.0   8.0 1020.9  -0.7 F             .0 1                             kn  AWS Sennybridge
2018 May 20 12 03604 / 18 08 81  13.4   7.6 1021.5  -0.4 F    // //    .0 1                             kn  AWS Milford Haven
2018 May 20 12 03605 / 24 06 73  14.4   8.4 1021.8  -0.7 F    // //    .0 1                             kn  AWS Pembrey Sands
2018 May 20 12 03609 / 12 03 //  16.9   5.6 1022.3  -0.8 F    // //    .0 1                             kn  AWS Mumbles
2018 May 20 12 03716 / 12 06 80  20.0   8.2 1021.5  -0.8 nowS          .0 1                             kn  AWS St Athan
2018 May 20 12 03330 / 19 06 80  19.2   8.6 1021.1  -0.6 F             .0 1                             kn  AWS Leek Thorncliffe
2018 May 20 12 03354 / 17 04 80  21.4   8.7 1021.7  -0.8 nowS          .0 1                             kn  AWS Nottingham Wea Cen
2018 May 20 12 03414 / 14 07 71  20.8   9.2 1021.0  -1.1 F             .0 1                             kn  AWS Shawbury
2018 May 20 12 03520 / 21 05 67  20.5   9.7 1021.2  -1.1 nowS // //    .0 1                             kn  AWS Shobdon
2018 May 20 12 03522 / 18 04 68  21.0   8.4 1021.5  -1.0 F             .0 1                             kn  AWS Hereford Credenhill
2018 May 20 12 03529 / 11 04 78  21.0   9.3 1021.9  -1.2 nowS          .0 1                             kn  AWS Pershore
2018 May 20 12 03535 / 12 04 78  21.3  10.5 1021.3  -0.9 nowS          .0 1                             kn  AWS Coleshill
2018 May 20 12 03544 / 19 05 72  20.3   7.6 1021.7  -0.9 nowS          .0 1                             kn  AWS Church Lawford
2018 May 20 12 03647 / 12 06 81  19.0   8.1 1021.3  -0.8 nowS // //    .0 1                             kn  AWS Little Rissington
2018 May 20 12 03649 1 15 05 80  19.4   7.3 1021.7  -1.1 nowS          .0 1                             kn      Brize Norton
2018 May 20 12 03658 / 11 06 79  20.3   8.1 1021.8  -1.0 F    // //    .0 1                             kn  AWS Benson
2018 May 20 12 03660 / 13 07 80  18.3   9.4 1021.9  -0.8 F             .0 1                             kn  AWS High Wycombe
2018 May 20 12 03462 / 13 06 81  18.9   9.9 1021.9  -0.9 F             .0 1                             kn  AWS Wittering
2018 May 20 12 03469 / 09 09 81  18.4  11.3 1022.9  -1.0 F             .0 1                             kn  AWS Holbeach
2018 May 20 12 03482 / 11 05 75  17.9  10.9 1023.1  -1.0 nowF          .0 1                             kn  AWS Marham
2018 May 20 12 03488 / 08 12 83  13.0  10.0 1023.6  -0.9 F             .0 1                             kn  AWS Weybourne
2018 May 20 12 03560 / 13 08 68  19.1  10.5 1022.3  -0.9 F             .0 1                             kn  AWS Bedford
2018 May 20 12 03590 / 11 04 63  16.3   7.9 1023.0  -1.1 nowF          .0 1                             kn  AWS Wattisham
2018 May 20 12 03693 / 09 06 71  12.1   9.5 1023.6  -0.7 F             .0 1                             kn  AWS Shoeburyness
2018 May 20 12 03707 / 13 07 81  20.6  10.4 1021.0  -1.3 F             .0 1                             kn  AWS Chivenor
2018 May 20 12 03628 / 27 06 76  20.0   9.9 1021.6  -1.0 nowS          .0 1                             kn  AWS Filton
2018 May 20 12 03710 / 19 07 79  18.9  11.3 1021.0  -0.7 nowS // //    .0 1                             kn  AWS Liscombe
2018 May 20 12 03803 / 14 09 71  14.0  11.7 1021.1  -0.4 nowS          .0 1                             kn  AWS Scilly St Marys
2018 May 20 12 03808 7 14 10 75  15.7   8.1 1021.1  -0.6 F             .0 1                             kn      Camborne
2018 May 20 12 03809 / 10 15 72  15.4   8.9 1021.3  -0.6 nowS // //    .0 1                             kn  AWS Culdrose RNAS
2018 May 20 12 03823 / 15 13 72  16.3  10.3 1021.1  -0.6 F             .0 1                             kn  AWS Cardinham
2018 May 20 12 03827 / 15 09 64  17.0  11.6 1021.9  -0.7 nowS          .0 1                             kn  AWS Plymouth
2018 May 20 12 03840 / 16 09 70  16.6   9.5 1021.8  -0.6 nowS          .0 1                             kn  AWS Dunkeswell
2018 May 20 12 03853 / 12 06 69  19.4  10.5 1021.7  -1.2 nowS          .0 1                             kn  AWS Yeovilton
2018 May 20 12 03672 1 13 05 80  19.0   8.2 1022.4  -0.8 nowF          .0 1                             kn      Northolt
2018 May 20 12 03740 / 15 05 //  20.3   9.7 1021.5  -1.0 nowS // //    .0 1                             kn  AWS Lyneham
2018 May 20 12 03743 / 13 06 78  18.7   8.5 1021.8  -1.1 F    // //    .0 1                             kn  AWS Larkhill
2018 May 20 12 03746 1 12 04 72  18.4   8.0 1021.9  -1.0 F             .0 1                             kn      Boscombe Down
2018 May 20 12 03749 / 12 05 64  18.3   9.0 1022.1  -1.1 F    // //    .0 1                             kn  AWS Middle Wallop
2018 May 20 12 03761 / 13 07 67  19.3   9.3 1022.0  -0.9 nowF          .0 1                             kn  AWS Odiham
2018 May 20 12 03769 / 06 04 81  17.5  10.2 1022.5  -0.9 F             .0 1                             kn  AWS Charlwood
2018 May 20 12 03770 / // // //  18.4   9.0                   // //    .0 1                             kn  AWS St James Park
2018 May 20 12 03772 / 11 05 80  20.1   9.2 1022.4  -0.8 nowF          .0 1                             kn  AWS Heathrow
2018 May 20 12 03781 / 12 05 71  17.3   9.4 1022.5  -0.6 F             .0 1                             kn  AWS Kenley
2018 May 20 12 03784 / 08 07 //  17.2  11.2 1022.9  -1.0 nowF // //                                     kn  AWS Gravesend
2018 May 20 12 03796 / 06 07 //  12.8  10.4 1023.1  -0.8 F    // //                                     kn  AWS Langdon Bay
2018 May 20 12 03797 / 07 05 56  12.0  10.2 1023.5  -0.8 F    04 //    .0 1                             kn  AWS Manston
2018 May 20 12 03857 / 11 16 58  11.5  10.0 1022.8  -0.6 nowF 04 //    .0 1                             kn  AWS Isle of Portland
2018 May 20 12 03862 / 17 08 61  15.9  10.8 1022.5  -0.9 F             .0 1                             kn  AWS Bournemouth Hurn
2018 May 20 12 03866 / 09 12 //  12.1  10.3 1022.8  -0.6 nowF // //    .0 1                             kn  AWS St Catherines Point
2018 May 20 12 03872 / 15 07 68  15.2  11.7 1022.8  -0.7 nowF          .0 1                             kn  AWS Thorney Island
2018 May 20 12 03876 / 15 06 //  14.1  10.4 1023.0  -0.7 F    // //    .0 1                             kn  AWS Shoreham
2018 May 20 12 03882 / 08 04 60  15.1  10.7 1022.9  -0.9 nowF 04 //    .0 1                             kn  AWS Herstmonceux
2018 May 20 12 03894 1 05 07 60  15.0  10.6 1021.5  -0.4 nowF                                           kn      Guernsey Airport
2018 May 20 12 03895 / 08 07 65  16.5  10.5 1021.2  -0.6 nowS          .0 1                             kn  AWS Jersey Airport
2018 May 20 12 03901 / 17 11 80  14.2  12.9 1015.2  -0.1 nowS       001.0 1                             kn  AWS Thomastown
2018 May 20 12 03904 / 17 11 82  15.9  13.5 1015.0  +0.2 nowS          tr 1                             kn  AWS Castlederg
2018 May 20 12 03907 / 20 14 83  15.6  12.7 1015.0  +0.3 nowR          .8 1                             kn  AWS Magilligan
2018 May 20 12 03911 / 15 07 //  12.9  12.1 1016.2  +0.1 nowR          .4 1                             kn  AWS Lough Fea
2018 May 20 12 03915 / 15 10 67  13.9  11.7 1015.8  -0.0 nowR          .6 1                             kn  AWS Port Glenone
2018 May 20 12 03916 / 22 13 73  14.7  11.6 1015.7  +0.4 nowR          tr 1                             kn  AWS Ballypatrick Forest
2018 May 20 12 03917 / 17 15 80  14.4  10.6 1016.7  -0.1 nowR 23 // 001.0 1                             kn  AWS Aldergrove
2018 May 20 12 03923 / 19 13 67  13.5  11.8 1016.3  -0.4 nowS 23 //    .2 1                             kn  AWS Glennane
2018 May 20 12 03953 / 16 05 50  13.3  12.4 1016.2  -0.3 nowF 52 86 004.0 1                             m/s AWS Valentia
2018 May 20 12 03955 8 18 05 56  12.3  12.0 1018.4  -0.3 F    10 54    tr 1                             m/s     Cork Airport
2018 May 20 12 03956 / 19 06 65  12.8   9.9 1020.1  -0.3 nowF 22 85    .1 1                             m/s AWS Johnstown Castle
2018 May 20 12 03962 7 14 07 75  16.1  12.4 1016.0  -0.4 nowR          .0 1                             m/s     Shannon Airport
2018 May 20 12 03967 7 23 06 70  16.0   9.4 1017.9  -0.2 nowS 02 62    .1 1                             m/s     Casement Aerodrome
2018 May 20 12 03969 8 14 06 75  15.9  10.9 1018.1  -0.7 nowS 02 62    .3 1                             m/s     Dublin Airport
2018 May 20 12 03973 8 18 06 61  13.4  12.3 1015.1  +0.2 nowS 20 52    .1 1                             m/s     Connaught Airport
2018 May 20 12 03976 / 19 10 43  12.2  12.1 1014.0  +0.6 nowR 61 86 002.0 1                             m/s AWS Belmullet
2018 May 20 12 03952 / 16 05 61  12.6  11.7 1018.7  -0.2 nowF 22 81    tr 1                             m/s AWS Roches Point
2018 May 20 12 03970 / 19 05 //  14.5  13.3 1015.1  -0.1 nowS // //    .2 1                             m/s AWS Claremorris
2018 May 20 12 03971 / 18 05 70  14.2  11.4 1016.7  -0.3 nowR 01 8/    .1 1                             m/s AWS Mullingar
2018 May 20 12 03978 / 16 05 68  15.3  12.2 1014.7  +0.4 nowS          .0 1                             m/s AWS Finner
2018 May 20 12 03961 / 17 07 65  13.7  10.5 1018.9  -0.2 nowR 01 85    .9 1                             m/s AWS Oak Park
2018 May 20 12 03979 / 19 05 75  14.8  11.6 1016.1  -0.4 nowS          .0 1                             m/s AWS Ballyhaise
2018 May 20 12 03966 / 14 04 71  15.4  12.0 1016.8  +0.2 nowR          .0 1                             m/s AWS Gurteen
2018 May 20 12 03963 / 18 09 25  12.2  11.6 1014.8  +0.1 nowR 52 85 001.0 1                             m/s AWS Mace Head
2018 May 20 12 03951 / 15 04 18  12.1  11.6 1017.9  -0.2 nowF 81 85 009.0 1                             m/s AWS Sherkin Island
2018 May 20 12 03980 / 17 08 83  15.1  11.8 1014.4  +0.1 nowR 03 8/    tr 1                             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