Decoded British Isles SYNOP weather reports

Weather data for 2021May16-00Z 
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 16 00 03002 / 08 03 05   8.2   8.0  996.6  -0.5 F    34 //    .0 1                             kn  AWS Baltasound
2021 May 16 00 03005 8 24 03 08   7.8   7.8  996.8  -0.4 nowS 42 65 001.0 1                             kn      Lerwick
2021 May 16 00 03008 / 23 05 02   7.6   7.6  997.3  -0.5 F    51 //    .2 1                             kn  AWS Fair Isle
2021 May 16 00 03017 / 24 06 83   7.7   6.4  997.8  -0.6 F             .0 1                             kn  AWS Kirkwall
2021 May 16 00 03023 / 04 08 81   7.4   5.9  998.8  -0.5 F             .0 1                             kn  AWS South Uist Range
2021 May 16 00 03026 / 32 05 85   7.1   5.9  999.0  -0.8 nowS          .0 1                             kn  AWS Stornoway
2021 May 16 00 03031 / 30 06 81   4.6   3.6  999.1  -0.5 F             tr 1                             kn  AWS Loch Glascarnoch
2021 May 16 00 03034 / 03 02 80   5.2   4.4  999.0  -0.4 nowF          .0 1                             kn  AWS Aultbea
2021 May 16 00 03039 / // // //   4.1   0.9                   // //                                     kn  AWS Bealach No Ba
2021 May 16 00 03044 / 30 01 84   3.8   2.9  998.9  -0.6 nowS          .0 1                             kn  AWS Altnaharra
2021 May 16 00 03047 / 16 04 84   7.2   6.0  999.0  -0.4 F             .2 1                             kn  AWS Tulloch Bridge
2021 May 16 00 03062 / // // 83   4.0   3.8  998.6  -0.4 F             .0 1                      03 10m kn  AWS Tain Range
2021 May 16 00 03063 / 29 01 89   6.3   3.3  998.6  -0.2 F             .0 1                             kn  AWS Aviemore
2021 May 16 00 03065                                          // //                                     kn  AWS Cairngorm
2021 May 16 00 03066 / 24 02 84   3.6   2.6  998.6  -0.3 F             .0 1                             kn  AWS Kinloss
2021 May 16 00 03068 1 16 01 80   4.4   3.5  998.6  -0.4 F             .0 1                             kn      Lossiemouth
2021 May 16 00 03072 / 22 05 //   1.0   0.7                   // //                                     kn  AWS Cairnwell
2021 May 16 00 03075 / // // //   6.0   5.3  998.4  -0.5 nowF          .0 1                      00 10m kn  AWS Wick
2021 May 16 00 03080 / 09 01 80  -0.2  -0.8  999.1  -0.1 nowF          .0 1                             kn  AWS Aboyne
2021 May 16 00 03088 / 27 04 81   5.4   4.6  999.1  -0.3 nowF          .0 1                             kn  AWS Inverbervie
2021 May 16 00 03091 / 19 03 84   6.5   3.2  998.7  -0.3 nowF          .0 1                             kn  AWS Aberdeen Dyce
2021 May 16 00 03092                                          // //                                     kn  AWS Peterhead Harbour
2021 May 16 00 03100 / 05 10 82   9.2   6.7  997.8  -0.7 F             .0 1                             kn  AWS Tiree
2021 May 16 00 03105 / 07 05 66   4.5   3.5  997.3  -0.4 nowF          .0 1                             kn  AWS Port Ellen
2021 May 16 00 03111 / 13 02 67   7.5   7.2  997.0  -0.4 F    // //    .4 1                             kn  AWS Machrihanish
2021 May 16 00 03132 / 07 07 65   8.2   6.7  996.5  -0.5 F             tr 1                             kn  AWS West Freugh
2021 May 16 00 03134 / 12 03 84   7.6   3.7  997.9  +0.1 nowS          .0 1                             kn  AWS Glasgow Bishopton
2021 May 16 00 03136 / 06 04 72   7.6   4.4  997.2  -0.3 nowF          .0 1                             kn  AWS Prestwick
2021 May 16 00 03144 / 23 02 84   3.4   2.1  999.2  +0.0 S             .0 1                             kn  AWS Strathallan
2021 May 16 00 03148 / 10 10 //   4.8   0.5                   // //                                     kn  AWS Glen Ogle
2021 May 16 00 03153 / 08 09 58   8.5   7.4  996.3  -0.5 nowF 23 //    tr 1                             kn  AWS Dundrennan
2021 May 16 00 03155 / 11 06 64   4.8   3.1  998.0  -0.5 nowF // //    .0 1                             kn  AWS Drumalbin
2021 May 16 00 03158 / 35 04 56   4.4   3.8  998.3  -0.5 F    10 //    .0 1                             kn  AWS Charterhall
2021 May 16 00 03162 / 36 05 69   5.3   3.4  998.3  -0.6 nowF          .0 1                             kn  AWS Eskdalemuir
2021 May 16 00 03166 / 26 02 59   4.5   3.9  998.3  -0.3 F             .0 1                             kn  AWS Edinburgh Gogarbank
2021 May 16 00 03171 / 35 04 71   5.1   4.8  998.9  -0.4 nowS          .0 1                             kn  AWS Leuchars
2021 May 16 00 03204 5 15 04 70   9.5   8.9  995.8  -0.3 nowF 01 82    .2 1                             kn      Ronaldsway
2021 May 16 00 03210 / 13 07 70   8.1   6.8  996.7  -0.4 F    // //    .0 1                             kn  AWS St Bees Head
2021 May 16 00 03212 / 10 03 77   8.8   6.3  997.1  -0.5 F             .2 1                             kn  AWS Keswick
2021 May 16 00 03214 / 13 07 77   9.4   8.3  996.7  -0.3 nowF 23 //    .6 1                             kn  AWS Walney Island
2021 May 16 00 03220 / // // 68   8.5   6.5  997.3  -0.6 nowF // //    .2 1                             kn  AWS Carlisle
2021 May 16 00 03224 / 10 06 78   7.9   4.7  998.5  -0.3 nowS                                           kn  AWS Spadeadam
2021 May 16 00 03225 / 24 02 58   6.7   5.8  997.6  -0.6 F    // //    .2 1                             kn  AWS Shap Fell
2021 May 16 00 03226 / 11 11 70   8.0   6.2  997.2  -0.7 F    23 //    .4 1                             kn  AWS Warcop Range
2021 May 16 00 03227 / 13 14 //   3.4   3.4                   // //                                     kn  AWS Great Dun Fell
2021 May 16 00 03316 / 15 04 72   9.3   8.8  997.0  -0.4 F          003.0 1                             kn  AWS Crosby
2021 May 16 00 03318 / 17 05 //   9.3   8.9                   // // 003.0 1                             kn  AWS Blackpool
2021 May 16 00 03230 / 26 02 64   6.0   4.9  998.6  -0.7 nowF // //    .0 1                             kn  AWS Redesdale
2021 May 16 00 03238 / 07 03 50   7.7   7.0  997.8  -0.7 F    10 //    tr 1                             kn  AWS Albermarle
2021 May 16 00 03240 / 11 06 65   8.7   7.3  998.6  -0.7 F             .0 1                             kn  AWS Boulmer
2021 May 16 00 03257 / 11 04 32   8.7   8.2  997.9  -0.8 F    61 // 005.0 1                             kn  AWS Leeming
2021 May 16 00 03265 / 11 05 32   8.7   8.2  998.1  -0.7 F    62 // 005.0 1                             kn  AWS Topcliffe
2021 May 16 00 03266 / 12 04 38   8.9   8.3  997.9  -0.7 nowS 51 //                                     kn  AWS Linton-on-Ouse
2021 May 16 00 03275 / 14 08 57   7.2   6.3  998.2  -0.7 F    10 //    .0 1                             kn  AWS Loftus
2021 May 16 00 03281 / 15 09 //   6.7   6.2                   // //    .0 1                             kn  AWS Fylingdales
2021 May 16 00 03292 / 13 18 //   8.9   7.8  998.0  -0.9 nowF // //    .0 1                             kn  AWS Bridlington
2021 May 16 00 03344 / 14 06 27   7.6   7.4  997.7  -0.6 nowS 10 // 002.0 1                             kn  AWS Bingley
2021 May 16 00 03346 / 13 04 //   7.4   7.4                   // // 003.0 1                             kn  AWS Emley Moor No.2
2021 May 16 00 03373 / 13 04 59   8.8   8.4  997.8  -0.5 F    // //    .8 1                             kn  AWS Scampton
2021 May 16 00 03377 / 15 03 33   8.9   8.1  998.1  -0.5 nowF 23 // 003.0 1                             kn  AWS Waddington
2021 May 16 00 03379 / 12 03 05   8.3   8.1  998.3  -0.3 F    // // 004.0 1                             kn  AWS Cranwell
2021 May 16 00 03382 / 12 06 56   8.9   7.8  998.0  -0.8 F    04 //    .2 1                             kn  AWS Leconfield
2021 May 16 00 03385 / 13 13 58   9.5   8.5  998.1  -0.7 nowF // //                                     kn  AWS Donna Nook
2021 May 16 00 03391 8 17 02 68   8.6   8.0  998.1  -0.5 nowS 02 82 002.0 1                             kn      Coningsby
2021 May 16 00 03392 / 16 09 45   9.7   9.1  998.2  -0.6 nowF // // 002.0 1                             kn  AWS Wainfleet
2021 May 16 00 03302 / 21 15 56  10.2   9.5  996.2  -0.4 nowS 23 //    tr 1                             kn  AWS Valley
2021 May 16 00 03301 / 21 13 60   9.9   9.5  996.4  -0.4 F    // //    .6 1                             kn  AWS Raf Mona
2021 May 16 00 03305 / 23 13 66   8.8   7.6  996.9  -0.4 F    23 // 001.0 1                             kn  AWS Capel Curig
2021 May 16 00 03313 / 14 02 65   8.0   7.0  997.0  -0.4 nowS // // 003.0 1                             kn  AWS Rhyl
2021 May 16 00 03321 / 17 06 79   8.2   7.8  997.3  -0.4 F          001.0 1                             kn  AWS Hawarden
2021 May 16 00 03405 / 20 15 50   9.3   9.1  997.1  -0.3 nowF // //    .0 1                             kn  AWS Aberdaron
2021 May 16 00 03409 / 22 03 //   7.9   7.7  997.4  -0.4 nowS // // 001.0 1                             kn  AWS Bala
2021 May 16 00 03410 / 21 06 63   7.0   6.6  997.4  -0.5 F    // // 001.0 1                             kn  AWS Lake Vrynwy
2021 May 16 00 03502 / 20 10 62   7.5   7.0  997.3  -0.7 nowF          .0 1                             kn  AWS Aberporth
2021 May 16 00 03503 / 00 00 60   7.4   6.4  997.7  -0.5 F    04 //    .4 1                             kn  AWS Trawscoed
2021 May 16 00 03507 / 21 05 59   7.9   7.6  998.3  -0.5 nowF 23 // 003.0 1                             kn  AWS Sennybridge
2021 May 16 00 03604 / 22 09 62  10.1   9.3  997.3  -0.9 F    // //    .6 1                             kn  AWS Milford Haven
2021 May 16 00 03605 / 21 15 57  11.2  10.1  997.9  -0.8 F    // //    .0 1                             kn  AWS Pembrey Sands
2021 May 16 00 03609 / 22 19 //  10.7   9.7  998.7  -0.8 nowF // //    .0 1                             kn  AWS Mumbles
2021 May 16 00 03716 / 22 05 66  10.1   8.7  998.8  -0.6 F             tr 1                             kn  AWS St Athan
2021 May 16 00 03330 / 19 04 75   6.7   6.0  998.1  -0.3 F             .2 1                             kn  AWS Leek Thorncliffe
2021 May 16 00 03354 / 23 02 63   8.5   7.9  998.2  -0.3 F    23 //    .2 1                             kn  AWS Nottingham Wea Cen
2021 May 16 00 03414 / 18 04 84   7.6   6.7  997.8  -0.5 F          001.0 1                             kn  AWS Shawbury
2021 May 16 00 03520 / 25 02 59   5.0   4.3  998.6  -0.4 F    // // 001.0 1                             kn  AWS Shobdon
2021 May 16 00 03522 / 00 00 67   5.1   4.7  999.1  -0.3 nowF 81 // 002.0 1                             kn  AWS Hereford Credenhill
2021 May 16 00 03529 / 21 05 60   8.5   7.9  999.1  -0.3 F             .8 1                             kn  AWS Pershore
2021 May 16 00 03535 / 18 03 83   8.6   6.9  998.2  -0.3 F             .2 1                             kn  AWS Coleshill
2021 May 16 00 03544 / 21 03 82   8.6   7.6  998.5  -0.2 F    23 //    tr 1                             kn  AWS Church Lawford
2021 May 16 00 03647 / 22 07 58   6.2   6.1  999.2  -0.1 F    // //    .0 1                             kn  AWS Little Rissington
2021 May 16 00 03649 2 22 03 68   7.4   6.2  999.5  +0.0 S             .0 1                             kn      Brize Norton
2021 May 16 00 03658 / 18 03 80   6.5   5.3  999.7  +0.2 nowS // // 002.0 1                             kn  AWS Benson
2021 May 16 00 03660 / 23 04 72   7.4   6.2  999.9  -0.1 F             .4 1                             kn  AWS High Wycombe
2021 May 16 00 03462 / 22 04 59   7.8   7.7  998.1  -0.2 F    51 // 002.0 1                             kn  AWS Wittering
2021 May 16 00 03469 / 18 04 77   8.8   8.2  998.2  -0.3 F    23 // 005.0 1                             kn  AWS Holbeach
2021 May 16 00 03482 / 15 05 44   9.1   8.8  998.6  -0.4 nowF 23 // 001.0 1                             kn  AWS Marham
2021 May 16 00 03488 / 14 08 50   8.9   8.1  998.5  -0.8 nowF // //    .2 1                             kn  AWS Weybourne
2021 May 16 00 03560 / 22 04 81   7.9   7.4  999.0  +0.3 nowS                                           kn  AWS Bedford
2021 May 16 00 03680 / // // //   6.9   6.3  999.8  +0.0 S    // // 002.0 1                             kn  AWS Rothamsted
2021 May 16 00 03590 / 21 04 59   7.8   7.4  999.1  -0.3 F    10 //    .6 1                             kn  AWS Wattisham
2021 May 16 00 03684 / 23 05 81   8.3   8.0  999.3  +0.1 nowS       002.0 1                             kn  AWS Andrewsfield
2021 May 16 00 03693 / 21 07 83   9.7   8.5  999.9  -0.1 F          002.0 1                             kn  AWS Shoeburyness
2021 May 16 00 03707 / 20 07 64  10.5   8.7  998.8  -0.8 F    23 //    tr 1                             kn  AWS Chivenor
2021 May 16 00 03710 / 22 07 37   7.2   6.9  999.4  -0.6 nowF // // 002.0 1                             kn  AWS Liscombe
2021 May 16 00 03803 / 22 19 66  11.3   9.4  999.0  -1.2 nowF          .0 1                      27 WW  kn  AWS Scilly St Marys
2021 May 16 00 03808 8 22 09 62  10.4   9.1  999.5  -1.0 nowF          .0 1                             kn      Camborne
2021 May 16 00 03809 / 21 07 62  10.6   9.3  999.4  -1.0 nowF // //    .0 1                             kn  AWS Culdrose RNAS
2021 May 16 00 03823 / 21 05 57   7.9   7.1  999.4  -0.9 F    10 //    tr 1                             kn  AWS Cardinham
2021 May 16 00 03827 / 22 13 //  10.5   9.8 1000.0  -0.9 F    // //    .0 1                             kn  AWS Plymouth
2021 May 16 00 03840 / 20 05 63   6.5   5.9 1000.0  -0.6 nowF          .6 1                             kn  AWS Dunkeswell
2021 May 16 00 03853 / 20 05 16   8.2   7.1  999.8  -0.4 nowF 04 //    tr 1                             kn  AWS Yeovilton
2021 May 16 00 03672 / 22 04 74   9.2   8.2  999.9  +0.1 R    // //    .2 1                             kn  AWS Northolt
2021 May 16 00 03740 / 20 03 //   7.3   6.9  999.8  -0.2 nowF // //    .2 1                             kn  AWS Lyneham
2021 May 16 00 03743 / 20 03 73   7.3   6.9 1000.1  -0.3 nowF // // 002.0 1                             kn  AWS Larkhill
2021 May 16 00 03746 / 20 06 75   6.7   6.0 1000.2  -0.3 nowF 23 //    .8 1                             kn  AWS Boscombe Down
2021 May 16 00 03749 / 21 02 74   7.7   6.8 1000.2  +0.1 nowF       002.0 1                             kn  AWS Middle Wallop
2021 May 16 00 03761 / 21 06 63   7.6   6.7 1000.2  -0.1 nowF       003.0 1                             kn  AWS Odiham
2021 May 16 00 03768 / 20 03 63   7.8   7.2 1000.2  +0.1 nowF // // 002.0 1                             kn  AWS South Farnborough
2021 May 16 00 03769 / 24 04 57   9.1   8.7 1000.3  +0.2 R    23 //    .6 1                             kn  AWS Charlwood
2021 May 16 00 03772 / 23 07 70   9.9   8.1 1000.0  +0.1 R    23 //    .8 1                             kn  AWS Heathrow
2021 May 16 00 03781 / 24 08 71   8.5   7.5 1000.3  +0.2 R    81 //    .6 1                             kn  AWS Kenley
2021 May 16 00 03796 / 25 08 //   9.3   8.8 1000.8  +0.3 R    // //                                     kn  AWS Langdon Bay
2021 May 16 00 03797 / 22 05 57   9.6   9.2 1000.4  +0.3 nowS 10 // 002.0 1                             kn  AWS Manston
2021 May 16 00 03857 / 25 15 57  10.3   9.9 1000.5  -0.4 nowF 10 //    tr 1                             kn  AWS Isle of Portland
2021 May 16 00 03862 / 25 06 61  10.2   8.6 1000.4  -0.3 nowF          tr 1                             kn  AWS Bournemouth Hurn
2021 May 16 00 03866 / 25 17 //  10.3   9.6 1000.7  -0.2 F    // //    .0 1                             kn  AWS St Catherines Point
2021 May 16 00 03872 / 25 13 63  10.3   8.2 1000.5  -0.2 F    20 //    .0 1                             kn  AWS Thorney Island
2021 May 16 00 03876 / 25 11 //  11.0   9.0 1000.9  -0.1 F    // //    .0 1                             kn  AWS Shoreham
2021 May 16 00 03882 / 23 05 57  10.2   9.1 1000.8  +0.0 S    04 //    tr 1                             kn  AWS Herstmonceux
2021 May 16 00 03894 7 21 14 60  10.3   9.2 1002.2  -1.0 nowF 25 81    .8 1                             kn      Guernsey Airport
2021 May 16 00 03895 / 22 14 57  10.5   9.2 1003.0  -0.6 F    81 //    .4 1                             kn  AWS Jersey Airport
2021 May 16 00 03896 / // // //  12.8                         // //    tr 2                             kn  AWS St Helier
2021 May 16 00 03901 / 08 01 68   8.9   7.3  995.1  +0.1 R             .0 1                             kn  AWS Thomastown
2021 May 16 00 03904 / 04 05 65   8.9   7.3  995.7  +0.0 S             .0 1                             kn  AWS Castlederg
2021 May 16 00 03907 / 09 02 66   8.5   6.5  996.9  -0.0 nowR 23 //    tr 1                             kn  AWS Magilligan
2021 May 16 00 03911 / 09 04 64   7.6   5.9  996.3  -0.3 F             tr 1                             kn  AWS Lough Fea
2021 May 16 00 03915 / 07 04 67   8.2   6.7  995.9  -0.2 F             .0 1                             kn  AWS Port Glenone
2021 May 16 00 03916 / 17 01 63   7.2   6.2  997.1  -0.1 F    04 //    tr 1                             kn  AWS Ballypatrick Forest
2021 May 16 00 03917 / 09 05 70   9.3   7.4  996.1  -0.4 nowF          .0 1                             kn  AWS Aldergrove
2021 May 16 00 03923 / 09 01 56   7.7   7.6  995.4  -0.2 F    10 //    .0 1                             kn  AWS Glennane
2021 May 16 00 03953 / 13 02 62   9.3   8.4  992.9  -0.6 F    01 86 005.0 1                             m/s AWS Valentia
2021 May 16 00 03955 6 17 02 70   7.5   7.1  994.3  -0.9 F    25 82    .7 1                             m/s     Cork Airport
2021 May 16 00 03956 / 21 03 59   9.6   8.8  995.8  -0.7 F    10 1/    .0 1                             m/s AWS Johnstown Castle
2021 May 16 00 03962 4 12 04 68   9.6   8.3  993.6  -0.8 F    25 82 003.0 1                             m/s     Shannon Airport
2021 May 16 00 03967 5 15 01 70   7.4        995.3  -0.3 F    01 82    .1 1                             m/s     Casement Aerodrome
2021 May 16 00 03969 3 15 01 80   6.3   5.0  995.6  -0.5 nowS 01 85    .3 1                             m/s     Dublin Airport
2021 May 16 00 03973 / 11 03 //   7.3   7.3  995.0  +0.1 R    // // 001.0 1                             m/s AWS Connaught Airport
2021 May 16 00 03976 / 07 02 83   9.1   7.8  994.4  +0.2 nowR 03 5/    tr 1                             m/s AWS Belmullet
2021 May 16 00 03952 / 15 03 62   9.2   8.4  994.2  -0.9 nowF 81 65 002.0 1                             m/s AWS Roches Point
2021 May 16 00 03970 / 08 02 //   6.3   6.1  994.6  +0.1 R    // // 005.0 1                             m/s AWS Claremorris
2021 May 16 00 03971 / 08 02 68   7.8   7.2  994.7  -0.5 nowS 22 85    .2 1                             m/s AWS Mullingar
2021 May 16 00 03978 / 10 03 63   9.5   7.7  995.4  +0.3 R    81 8/    tr 1                             m/s AWS Finner
2021 May 16 00 03961 / 14 01 64   7.3   6.7  995.4  -0.5 nowS 01 6/    .1 1                             m/s AWS Oak Park
2021 May 16 00 03979 / 06 02 64   9.0   7.6  995.2  -0.1 nowS          .0 1                             m/s AWS Ballyhaise
2021 May 16 00 03966 / 13 02 84   7.0   5.9  994.5  -0.7 F    01 8/    .2 1                             m/s AWS Gurteen
2021 May 16 00 03963 / 11 04 75   9.3   8.1  993.7  -0.2 nowF          .0 1                             m/s AWS Mace Head
2021 May 16 00 03951 / 21 05 62  10.1   8.2  993.4  -1.0 F    03 81    .8 1                             m/s AWS Sherkin Island
2021 May 16 00 03980 / 10 07 83   9.3   7.4  996.9  +0.2 nowR          .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