Decoded British Isles SYNOP weather reports

Weather data for 2021May15-12Z 
Year Mon Da ZZ Site  N dd ff VV  temp  dewp   mslp  ptendency ww WW  Rain H  maxT  minT  Tg sss* GG GGh ffu
2021 May 15 12 03002 / 04 08 60   9.3   8.6  999.6  -0.9 F    10 //    .0 1                             kn  AWS Baltasound
2021 May 15 12 03005 8 04 06 61   8.6   8.5  999.4  -1.0 nowS 50 52    .4 1                             kn      Lerwick
2021 May 15 12 03008 8 30 06 62   8.4   8.4 1000.1  -1.0 nowF 02 52    .0 1                             kn      Fair Isle
2021 May 15 12 03017 / 36 07 82  10.5   6.7 1000.6  -1.2 nowS          .2 1                             kn  AWS Kirkwall
2021 May 15 12 03023 / 06 13 81  12.1   8.0 1000.4  -0.6 nowS          .0 1                             kn  AWS South Uist Range
2021 May 15 12 03026 / 05 10 82   9.9   5.4 1001.7  -0.7 nowF          .0 1                             kn  AWS Stornoway
2021 May 15 12 03031 / 10 06 81  12.1   3.8 1000.2  -1.3 nowF          .0 1                             kn  AWS Loch Glascarnoch
2021 May 15 12 03034 / 01 10 79  11.9   5.4 1000.8  -0.9 F             .0 1                             kn  AWS Aultbea
2021 May 15 12 03039 / // // //   6.8  -2.3                   // //                                     kn  AWS Bealach No Ba
2021 May 15 12 03044 / 01 05 83  10.8   3.4 1001.3  -1.2 nowF          .0 1                             kn  AWS Altnaharra
2021 May 15 12 03047 / 19 09 81  12.3   4.8 1000.3  -1.2 F             .0 1                             kn  AWS Tulloch Bridge
2021 May 15 12 03062 / // // 83  10.1   5.0 1001.4  -1.2 nowF          .0 1                             kn  AWS Tain Range
2021 May 15 12 03063 / 28 02 80  13.1   2.9  999.5  -1.7 F             .0 1                             kn  AWS Aviemore
2021 May 15 12 03065                                          // //                                     kn  AWS Cairngorm
2021 May 15 12 03066 / 03 08 83  10.4   4.4 1001.3  -1.2 nowF          .0 1                             kn  AWS Kinloss
2021 May 15 12 03068 6 02 06 82   9.9   5.1 1001.5  -1.2 nowF          .0 1                             kn      Lossiemouth
2021 May 15 12 03072 / 20 08 //   4.1  -0.5                   // //                                     kn  AWS Cairnwell
2021 May 15 12 03075 / // // //   9.0   5.5 1001.2  -1.0 F             .0 1                      00 10m kn  AWS Wick
2021 May 15 12 03080 / 10 07 89  12.0   5.6 1000.2  -1.6 F             .0 1                             kn  AWS Aboyne
2021 May 15 12 03088 / 15 08 82   8.6   5.9 1001.5  -1.0 nowS          .0 1                             kn  AWS Inverbervie
2021 May 15 12 03091 / 14 05 84   9.3   4.3 1001.2  -1.2 F             .0 1                             kn  AWS Aberdeen Dyce
2021 May 15 12 03092                                          // //                                     kn  AWS Peterhead Harbour
2021 May 15 12 03100 / 12 15 80  13.0   7.7  999.8  -0.5 F             tr 1                             kn  AWS Tiree
2021 May 15 12 03105 / 12 13 81  12.5   8.7  998.9  -0.8 nowF       002.0 1                             kn  AWS Port Ellen
2021 May 15 12 03111 / 11 14 66  13.1   8.8  998.8  -0.8 F    // //    .4 1                             kn  AWS Machrihanish
2021 May 15 12 03132 / 13 14 67  11.6   8.7  999.1  -0.7 nowF       002.0 1                             kn  AWS West Freugh
2021 May 15 12 03134 / 08 06 82  14.2   7.0  999.6  -1.5 nowF          .2 1                             kn  AWS Glasgow Bishopton
2021 May 15 12 03136 / 13 06 89  13.9   3.7  999.0  -1.3 F             .2 1                             kn  AWS Prestwick
2021 May 15 12 03144 / 05 05 82  12.5   6.4 1000.6  -1.5 F             .0 1                             kn  AWS Strathallan
2021 May 15 12 03148 / 17 05 //   8.0   2.1                   // //                                     kn  AWS Glen Ogle
2021 May 15 12 03153 / 15 10 79  10.4   7.2  999.1  -0.7 F             tr 1                             kn  AWS Dundrennan
2021 May 15 12 03155 / 10 07 82  11.0   4.6  999.5  -1.2 F    // //    .0 1                             kn  AWS Drumalbin
2021 May 15 12 03158 / 12 08 88  11.6   5.0 1000.5  -1.0 nowS          .0 1                             kn  AWS Charterhall
2021 May 15 12 03162 / 14 05 83  10.9   2.7 1000.0  -1.2 nowS          .0 1                             kn  AWS Eskdalemuir
2021 May 15 12 03166 / 06 09 81  11.7   6.9 1000.2  -1.0 nowS          .0 1                             kn  AWS Edinburgh Gogarbank
2021 May 15 12 03171 / 09 12 80   9.9   6.4 1001.4  -0.8 nowS          .0 1                             kn  AWS Leuchars
2021 May 15 12 03204 8 10 15 60  10.8   9.2  998.5  -0.9 F    61 62    tr 1                             kn      Ronaldsway
2021 May 15 12 03210 / 14 13 69  10.4   7.1  999.4  -0.7 F    // //    .2 1                             kn  AWS St Bees Head
2021 May 15 12 03212 / 17 07 73  11.0   5.8  999.6  -0.6 F             .0 1                             kn  AWS Keswick
2021 May 15 12 03214 / 10 10 70  12.1   8.8  999.1  -1.0 nowF       001.0 1                             kn  AWS Walney Island
2021 May 15 12 03220 / // // 83  13.4   2.9  999.7  -1.1 F    // //    .0 1                             kn  AWS Carlisle
2021 May 15 12 03224 / 12 09 78  10.2   3.8 1000.0  -0.9 F             .0 1                             kn  AWS Spadeadam
2021 May 15 12 03225 / 15 10 59   9.6   5.5 1000.1  -0.7 nowS // //    .0 1                             kn  AWS Shap Fell
2021 May 15 12 03226 / 13 10 82  10.4   3.5  999.7  -1.0 nowS          .0 1                             kn  AWS Warcop Range
2021 May 15 12 03227 / 13 11 //   4.8   0.2                   // //                                     kn  AWS Great Dun Fell
2021 May 15 12 03316 / 16 08 50  10.3   8.0  998.9  -1.0 F    82 //    .8 1                             kn  AWS Crosby
2021 May 15 12 03318 / 17 09 //  10.9   8.4                   // // 001.0 1                             kn  AWS Blackpool
2021 May 15 12 03230 / 12 07 84  10.7   5.3 1000.6  -1.0 F    // //    .0 1                             kn  AWS Redesdale
2021 May 15 12 03238 / 09 07 71  10.8   5.1 1000.2  -1.2 nowF          .0 1                             kn  AWS Albermarle
2021 May 15 12 03240 / 12 10 81  10.7   7.2 1001.5  -0.8 F             .0 1                             kn  AWS Boulmer
2021 May 15 12 03257 / 11 07 72  10.5   5.6 1000.5  -1.1 nowS 61 //    tr 1                             kn  AWS Leeming
2021 May 15 12 03265 / 11 06 74  11.2   6.6 1000.5  -1.1 F    23 //    tr 1                             kn  AWS Topcliffe
2021 May 15 12 03266 / 09 07 63  11.4   7.1 1000.2  -1.2 F    81 //                                     kn  AWS Linton-on-Ouse
2021 May 15 12 03275 / 10 12 61   9.2   7.6 1000.6  -1.2 F             tr 1                             kn  AWS Loftus
2021 May 15 12 03281 / 12 12 //  10.3   4.8                   // //    .0 1                             kn  AWS Fylingdales
2021 May 15 12 03292 / 11 12 //  12.5   8.1 1000.7  -1.1 nowF // //    .0 1                             kn  AWS Bridlington
2021 May 15 12 03344 / 10 05 58   9.7   7.2  999.7  -1.4 nowF 23 // 001.0 1                             kn  AWS Bingley
2021 May 15 12 03346 / 10 06 //   9.7   6.9                   // //    .4 1                             kn  AWS Emley Moor No.2
2021 May 15 12 03373 / 15 13 77  11.1   6.2  999.9  -1.2 F    // //    .0 1                             kn  AWS Scampton
2021 May 15 12 03377 / 13 09 50   9.4   7.4 1000.3  -1.1 nowS 61 //    .4 1                             kn  AWS Waddington
2021 May 15 12 03379 / 10 09 57  10.2   8.7 1000.2  -1.2 F    // //    .0 1                             kn  AWS Cranwell
2021 May 15 12 03382 / 12 09 68  11.5   6.7 1000.2  -1.3 F             tr 1                             kn  AWS Leconfield
2021 May 15 12 03385 / 08 13 62  10.0   8.5 1000.5  -1.1 nowF // //                                     kn  AWS Donna Nook
2021 May 15 12 03391 8 16 06 56  10.6   9.3 1000.3  -1.2 F    61 62 003.0 1                             kn      Coningsby
2021 May 15 12 03392 / 15 11 60  11.0   8.2 1000.5  -1.3 F    // //    .4 1                             kn  AWS Wainfleet
2021 May 15 12 03302 / 15 15 81  11.9   7.8  997.5  -1.0 F          001.0 1                             kn  AWS Valley
2021 May 15 12 03301 / 15 09 82  11.1   7.3  997.7  -1.1 F    // // 002.0 1                             kn  AWS Raf Mona
2021 May 15 12 03305 / 24 03 65   9.1   6.5  998.3  -1.1 F    57 // 004.0 1                             kn  AWS Capel Curig
2021 May 15 12 03313 / 14 07 84  11.9   7.5  998.3  -1.1 F    // //    .2 1                             kn  AWS Rhyl
2021 May 15 12 03321 / 14 08 59  10.6   9.1  999.0  -0.9 nowF 62 // 004.0 1                             kn  AWS Hawarden
2021 May 15 12 03405 / 17 11 62  10.9   9.4  997.7  -0.8 F    // // 001.0 1                             kn  AWS Aberdaron
2021 May 15 12 03409 / 12 08 //  10.8   6.9  998.0  -1.0 F    // //    .8 1                             kn  AWS Bala
2021 May 15 12 03410 / 10 08 69   8.3   7.7  998.1  -1.0 F    // // 005.0 1                             kn  AWS Lake Vrynwy
2021 May 15 12 03502 / 25 15 70  12.0   8.9  997.5  -0.1 F          002.0 1                             kn  AWS Aberporth
2021 May 15 12 03503 / 30 07 43  10.2   7.4  997.9  -0.5 nowR 82 // 001.0 1                             kn  AWS Trawscoed
2021 May 15 12 03507 / 23 07 64   9.3   6.9  998.3  -0.5 nowS 61 // 004.0 1                             kn  AWS Sennybridge
2021 May 15 12 03604 / 24 10 63  12.7  10.7  998.1  +0.1 nowS // //    .8 1                             kn  AWS Milford Haven
2021 May 15 12 03605 / 23 17 37  11.2   9.8  998.5  +0.1 nowR // // 001.0 1                      27 WW  kn  AWS Pembrey Sands
2021 May 15 12 03609 / 23 18 //  13.4  10.7  999.2  -0.3 F    // //    .6 1                             kn  AWS Mumbles
2021 May 15 12 03716 / 26 10 80  12.5   9.3  998.9  -0.2 F    23 // 002.0 1                             kn  AWS St Athan
2021 May 15 12 03330 / 14 09 63   9.9   6.4  999.0  -1.2 nowF 61 //    .4 1                             kn  AWS Leek Thorncliffe
2021 May 15 12 03354 / 11 06 73  12.2   7.4  999.4  -1.2 F    23 //    .2 1                             kn  AWS Nottingham Wea Cen
2021 May 15 12 03414 / 14 06 63  10.6   8.2  998.8  -1.0 F    61 // 002.0 1                             kn  AWS Shawbury
2021 May 15 12 03520 / 17 05 82  11.7   8.7  998.4  -1.1 nowF // // 003.0 1                             kn  AWS Shobdon
2021 May 15 12 03522 / 13 04 87  12.3   8.3  998.8  -1.0 nowF       002.0 1                             kn  AWS Hereford Credenhill
2021 May 15 12 03529 / 21 06 50  10.0   9.3  999.5  -0.8 nowS 81 // 003.0 1                             kn  AWS Pershore
2021 May 15 12 03535 / 13 05 80  11.0   8.6  998.9  -1.0 F    23 //    .2 1                             kn  AWS Coleshill
2021 May 15 12 03544 / 15 04 64  10.2   7.4  999.2  -1.0 nowS 81 // 001.0 1                             kn  AWS Church Lawford
2021 May 15 12 03647 / 19 09 50   9.4   8.5  999.0  -0.5 F    // //    .4 1                             kn  AWS Little Rissington
2021 May 15 12 03649 8 17 05 65  11.1   8.6  999.2  -0.8 F    60 62 001.0 1                             kn      Brize Norton
2021 May 15 12 03658 / 17 07 66  10.7   8.1  999.4  -0.5 nowS // //    .0 1                             kn  AWS Benson
2021 May 15 12 03660 / 20 02 42   9.2   8.0  999.6  -0.7 nowS 57 //    .4 1                             kn  AWS High Wycombe
2021 May 15 12 03462 / 13 07 83  10.6   7.6  999.4  -1.3 F    23 //    .4 1                             kn  AWS Wittering
2021 May 15 12 03469 / 12 10 59  11.1   8.9 1000.1  -1.3 F    61 // 001.0 1                             kn  AWS Holbeach
2021 May 15 12 03482 8 11 07 57  10.7   8.5 1000.3  -1.5 F    60 62 001.0 1                             kn      Marham
2021 May 15 12 03488 / 13 11 79  11.1   7.6 1000.8  -1.3 nowF // //    .0 1                             kn  AWS Weybourne
2021 May 15 12 03560 / 13 05 84  10.3   8.0  999.6  -1.3 F          001.0 1                             kn  AWS Bedford
2021 May 15 12 03680 / // // //   9.3   8.0  999.7  -1.0 nowS // // 001.0 1                             kn  AWS Rothamsted
2021 May 15 12 03590 / 13 10 62   9.9   7.8 1000.0  -1.7 F    23 //    .6 1                             kn  AWS Wattisham
2021 May 15 12 03684 / 14 08 42   9.2   8.4  999.6  -1.4 nowS 58 // 002.0 1                             kn  AWS Andrewsfield
2021 May 15 12 03693 / 13 10 84  11.1   9.0  999.4  -1.7 nowF 23 // 002.0 1                             kn  AWS Shoeburyness
2021 May 15 12 03707 / 27 13 72  14.3  10.5  999.3  +0.2 R          002.0 1                             kn  AWS Chivenor
2021 May 15 12 03710 / 28 10 70   9.8   8.5  999.1  -0.1 nowS // // 005.0 1                             kn  AWS Liscombe
2021 May 15 12 03803 / 25 13 64  13.9  10.7 1001.0  +0.4 R             tr 1                             kn  AWS Scilly St Marys
2021 May 15 12 03808 8 26 13 68  12.7   8.8 1000.6  +0.3 nowS 02 82    .4 1                             kn      Camborne
2021 May 15 12 03809 / 22 12 58  12.6  10.1 1000.7  +0.5 nowS // //    .0 1                             kn  AWS Culdrose RNAS
2021 May 15 12 03823 / 27 11 61  12.1   8.9  999.8  +0.3 nowR       001.0 1                             kn  AWS Cardinham
2021 May 15 12 03827 / 23 18 67  11.8   9.3 1000.6  +0.3 nowR 23 //    tr 1                             kn  AWS Plymouth
2021 May 15 12 03840 / 24 09 69  10.6   8.6  999.6  +0.1 nowR 23 // 003.0 1                             kn  AWS Dunkeswell
2021 May 15 12 03853 / 23 08 74  13.1   9.0  999.3  -0.4 nowS 57 //    tr 1                             kn  AWS Yeovilton
2021 May 15 12 03672 8 12 02 70  12.3   8.2  999.3  -1.1 nowS 60 65 001.0 1                             kn      Northolt
2021 May 15 12 03740 / 23 06 //  12.4   8.7  999.0  -0.8 nowF // //    .4 1                             kn  AWS Lyneham
2021 May 15 12 03743 / 26 04 72  13.6   8.9  999.0  -0.5 nowF // // 001.0 1                             kn  AWS Larkhill
2021 May 15 12 03746 / 31 03 82  13.1   8.5  999.1  -0.4 nowF          .2 1                             kn  AWS Boscombe Down
2021 May 15 12 03749 / 28 03 87  11.9   8.5  999.3  -0.3 nowF 22 //    .6 1                             kn  AWS Middle Wallop
2021 May 15 12 03761 / 29 02 80  11.5   8.3  999.3  -0.5 F    23 //    .4 1                             kn  AWS Odiham
2021 May 15 12 03768 / 35 01 59  10.8   9.2  999.4  -0.6 nowS // // 002.0 1                             kn  AWS South Farnborough
2021 May 15 12 03769 / 06 01 83  12.5   9.1  998.8  -1.0 nowS 23 //    .6 1                             kn  AWS Charlwood
2021 May 15 12 03772 / 13 04 78  12.6   9.5  999.4  -1.0 nowS 23 // 001.0 1                             kn  AWS Heathrow
2021 May 15 12 03781 / 10 03 67  10.6   9.1  999.0  -1.1 nowS 81 //    .2 1                             kn  AWS Kenley
2021 May 15 12 03796 / 14 10 //   9.3   9.2  999.6  -1.9 nowS // //                                     kn  AWS Langdon Bay
2021 May 15 12 03797 / 12 11 39   9.9   9.6  999.8  -1.7 F    23 // 002.0 1                             kn  AWS Manston
2021 May 15 12 03857 / 25 19 58  12.3  10.4 1000.2  +0.3 nowS 04 //    .2 1                             kn  AWS Isle of Portland
2021 May 15 12 03862 / 22 10 57  12.1   9.3  999.6  +0.0 nowF 57 //    .6 1                      20 10m kn  AWS Bournemouth Hurn
2021 May 15 12 03866 / 26 15 //  12.1  10.5 1000.0  +0.9 R    // // 002.0 1                             kn  AWS St Catherines Point
2021 May 15 12 03872 / 26 07 81  12.6  10.1  999.4  +0.4 R    23 // 002.0 1                             kn  AWS Thorney Island
2021 May 15 12 03876 / 22 07 //  11.8  10.5  999.1  -0.5 nowS // // 002.0 1                             kn  AWS Shoreham
2021 May 15 12 03882 / 21 05 59  11.8  10.6  998.5  -1.7 nowS 58 // 003.0 1                             kn  AWS Herstmonceux
2021 May 15 12 03894 1 25 16 65  13.2  10.6 1002.7  +0.5 nowS 01 81    tr 1                      27 WW  kn      Guernsey Airport
2021 May 15 12 03895 / 26 18 59  13.7  10.6 1003.0  +0.4 nowS          .0 1                             kn  AWS Jersey Airport
2021 May 15 12 03896 / // // //  10.7                         // // 004.0 2                             kn  AWS St Helier
2021 May 15 12 03901 / 12 13 84  11.5   7.3  995.9  -1.0 nowF          .2 1                             kn  AWS Thomastown
2021 May 15 12 03904 / 11 11 81  12.8   8.2  996.8  -0.7 nowF 23 //    .2 1                             kn  AWS Castlederg
2021 May 15 12 03907 / 12 11 80  11.5   8.0  997.8  -0.8 nowS 23 //    .2 1                             kn  AWS Magilligan
2021 May 15 12 03911 / 13 10 58   8.7   6.9  997.8  -0.4 nowF 62 // 001.0 1                             kn  AWS Lough Fea
2021 May 15 12 03915 / 13 09 79  10.6   8.3  997.4  -0.6 F    23 //    .2 1                             kn  AWS Port Glenone
2021 May 15 12 03916 / 17 12 61  10.4   8.7  998.5  -0.7 nowF 23 // 001.0 1                             kn  AWS Ballypatrick Forest
2021 May 15 12 03917 / 13 13 60  10.2   8.5  998.0  -0.5 nowS 61 //    .6 1                      26 WW  kn  AWS Aldergrove
2021 May 15 12 03923 / 15 12 83   9.1   6.8  997.0  -0.9 F    81 // 004.0 1                             kn  AWS Glennane
2021 May 15 12 03953 / 23 07 70  13.7   9.0  995.6  -0.1 nowF 03 8/    tr 1                             m/s AWS Valentia
2021 May 15 12 03955 7 22 05 80  10.4   8.6  996.6  -0.1 nowS 80 82 002.0 1                             m/s     Cork Airport
2021 May 15 12 03956 / 22 06 71  13.4   9.5  996.4  +0.2 nowF 23 8/    .3 1                             m/s AWS Johnstown Castle
2021 May 15 12 03962 7 22 05 70  12.4   8.7  995.3  -0.7 F    25 86 004.0 1                             m/s     Shannon Airport
2021 May 15 12 03967 7 08 05 70  10.4   8.8  996.2  -0.9 nowF 02 62 001.0 1                             m/s     Casement Aerodrome
2021 May 15 12 03969 7 11 05 75   9.7   8.3  997.0  -0.7 F    58 65 001.0 1                             m/s     Dublin Airport
2021 May 15 12 03973 / 13 04 //   9.1   7.7  995.5  -0.5 F    // //    .7 1                             m/s AWS Connaught Airport
2021 May 15 12 03976 / 14 05 80  12.4   7.5  994.5  -0.6 F             .0 1                             m/s AWS Belmullet
2021 May 15 12 03952 / 21 07 63  11.5   9.8  996.4  -0.3 nowF 81 8/ 005.0 1                             m/s AWS Roches Point
2021 May 15 12 03970 / 16 03 //  11.8   9.1  994.9  -0.7 nowF // //    .6 1                             m/s AWS Claremorris
2021 May 15 12 03971 / 09 03 74  10.8   8.0  995.8  -0.8 nowF 01 5/    .4 1                             m/s AWS Mullingar
2021 May 15 12 03978 / 13 06 64  11.7   6.3  996.2  -0.5 nowF          .0 1                             m/s AWS Finner
2021 May 15 12 03961 / 13 03 77  14.5   8.1  995.5  -0.9 nowF 03 5/    .2 1                             m/s AWS Oak Park
2021 May 15 12 03979 / 10 03 81  11.4   7.1  996.1  -1.0 F    03 8/    tr 1                             m/s AWS Ballyhaise
2021 May 15 12 03966 / 19 01 80  14.0   7.5  995.1  -0.9 nowF 01 85    tr 1                             m/s AWS Gurteen
2021 May 15 12 03963 / 19 05 67  12.5  10.0  994.5  -0.2 nowF 03 86    .8 1                             m/s AWS Mace Head
2021 May 15 12 03951 / 23 08 73  12.5   8.6  996.7  -0.1 nowS 01 5/    tr 1                             m/s AWS Sherkin Island
2021 May 15 12 03980 / 10 11 80  10.4   8.0  997.7  -0.8 nowF          .0 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