Decoded British Isles SYNOP weather reports

Weather data for 2018Sep18-15Z 
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 Sep 18 15 03002 / 14 06 70  13.2  12.7  990.2  -1.8 F    10 //                                     kn  AWS Baltasound
2018 Sep 18 15 03005 8 17 06 33  12.4  12.2  990.2  -1.5 nowS 61 62                                     kn      Lerwick
2018 Sep 18 15 03008 / 11 02 63  12.5  12.5  990.3  -1.3 nowF 23 //                                     kn  AWS Fair Isle
2018 Sep 18 15 03010 / 05 08 //  11.5   9.9  991.6  -0.9 F    // //                                     kn  AWS Sule Skerry
2018 Sep 18 15 03017 / 34 05 57  12.1  11.8  991.7  -0.5 nowR 62 //                                     kn  AWS Kirkwall
2018 Sep 18 15 03023 / 20 08 71  12.9  10.2  992.5  +0.0 nowF                                           kn  AWS South Uist Range
2018 Sep 18 15 03026 / 05 03 63  12.0  11.1  993.7  -0.1 nowR 23 //                                     kn  AWS Stornoway
2018 Sep 18 15 03031 / 22 15 84  14.2  11.3  992.1  -0.0 nowR 23 //                                     kn  AWS Loch Glascarnoch
2018 Sep 18 15 03039 / 20 31 //   8.3   8.3                   // //                                     kn  AWS Bealach No Ba
2018 Sep 18 15 03044 / 10 03 40  12.2  11.5  991.7  -0.5 nowF 52 //                                     kn  AWS Altnaharra
2018 Sep 18 15 03047 / 21 12 84  14.1  10.3  994.9  +2.1 R                                              kn  AWS Tulloch Bridge
2018 Sep 18 15 03062 / 12 04 84  13.9  12.8  991.9  -0.3 nowS 23 //                                     kn  AWS Tain Range
2018 Sep 18 15 03063 / 22 11 83  15.5  12.0  992.2  +0.5 nowR 23 //                              24 10m kn  AWS Aviemore
2018 Sep 18 15 03065 / 23 45 //   8.0   8.0                   // //                                     kn  AWS Cairngorm
2018 Sep 18 15 03066 / 34 07 35  12.9  12.7  992.0  -0.1 nowR 83 //                                     kn  AWS Kinloss
2018 Sep 18 15 03068 8 03 05 65  13.6  13.3  991.7  -0.3 nowS 21 65                                     kn      Lossiemouth
2018 Sep 18 15 03072 / 25 42 //   9.3   9.1                   // //                                     kn  AWS Cairnwell
2018 Sep 18 15 03075 / 04 04 64  12.9  12.6  991.3  -0.5 F    23 //                                     kn  AWS Wick
2018 Sep 18 15 03080 / 24 15 66  17.8  13.6  992.3  +0.6 nowR 57 //                              27 WW  kn  AWS Aboyne
2018 Sep 18 15 03088 / 24 28 81  15.7  14.7  992.8  +0.1 nowF 20 //                              36 WW  kn  AWS Inverbervie
2018 Sep 18 15 03091 / 22 17 82  17.4  14.3  992.4  +0.5 nowR                                    26 WW  kn  AWS Aberdeen Dyce
2018 Sep 18 15 03100 / 19 14 83  14.4  12.6  994.1  +0.7 nowF                                           kn  AWS Tiree
2018 Sep 18 15 03105 / 20 11 75  14.9  12.4  996.0  +0.7 nowF                                           kn  AWS Port Ellen
2018 Sep 18 15 03111 / 20 15 83  15.9  11.9  996.8  +0.9 nowS // //                                     kn  AWS Machrihanish
2018 Sep 18 15 03132 / 19 14 80  15.5  13.6  999.0  +1.2 nowS                                    27 WW  kn  AWS West Freugh
2018 Sep 18 15 03134 / 21 11 80  15.9  13.1  996.5  +2.4 nowS                                           kn  AWS Glasgow Bishopton
2018 Sep 18 15 03136 / 22 20 84  16.6  10.8  997.2  +1.6 nowS                                    28 WW  kn  AWS Prestwick
2018 Sep 18 15 03144 / 24 14 83  16.8  13.0  995.5  +2.2 nowF                                    29 WW  kn  AWS Strathallan
2018 Sep 18 15 03148 / 21 13 //  11.6  10.7                   // //                                     kn  AWS Glen Ogle
2018 Sep 18 15 03153 / 21 17 60  14.7  13.3  999.5  +1.8 nowS                                    32 WW  kn  AWS Dundrennan
2018 Sep 18 15 03155 / 24 19 84  15.7  11.2  997.1  +2.4 nowS // //                              34 WW  kn  AWS Drumalbin
2018 Sep 18 15 03158 / 22 23 84  17.4  11.5  996.8  +3.0 nowS                                    33 10m kn  AWS Charterhall
2018 Sep 18 15 03162 8 20 15 80  13.6  11.5  999.2  +2.8 nowS                                           kn      Eskdalemuir
2018 Sep 18 15 03166 / 24 18 85  17.2  11.1  995.9  +2.5 nowF                                           kn  AWS Edinburgh Gogarbank
2018 Sep 18 15 03171 / 26 20 82  16.7  13.0  995.3  +1.9 nowR                                    35 WW  kn  AWS Leuchars
2018 Sep 18 15 03204 7 21 14 62  16.4  14.4 1000.2  -0.2 nowF                                    26 WW  kn      Ronaldsway
2018 Sep 18 15 03210 / 20 21 62  16.2  15.3 1001.3  +1.9 nowS // //                              29 WW  kn  AWS St Bees Head
2018 Sep 18 15 03212 / 22 12 80  17.3  12.7 1001.0  +1.5 nowF                                           kn  AWS Keswick
2018 Sep 18 15 03214 / 21 16 60  18.2  15.1 1002.4  +1.7 nowS 04 //                              25 WW  kn  AWS Walney Island
2018 Sep 18 15 03220 / // // 81  16.3  13.2 1000.1  +2.6 nowS // //                                     kn  AWS Carlisle
2018 Sep 18 15 03224 / 23 17 80  13.7  11.9  999.7  +2.8 nowS                                    37 WW  kn  AWS Spadeadam
2018 Sep 18 15 03225 / 22 27 80  15.3  13.1 1000.8  +1.2 nowF // //                              37 WW  kn  AWS Shap Fell
2018 Sep 18 15 03226 / 25 15 65  14.7  13.5 1001.6  +2.1 nowS 23 //                                     kn  AWS Warcop Range
2018 Sep 18 15 03316 / 22 23 69  19.2  13.9 1003.9  +1.1 nowS                                    33 WW  kn  AWS Crosby
2018 Sep 18 15 03318 / 21 14 //  19.1  15.0                   // //                                     kn  AWS Blackpool
2018 Sep 18 15 03351 / 25 10 80  19.8  14.2 1004.8  +1.3 nowS 23 //                                     kn  AWS Rostherne
2018 Sep 18 15 03230 / 22 18 11  14.4  11.4  998.7  +2.5 nowF // //                              32 WW  kn  AWS Redesdale
2018 Sep 18 15 03238 / 25 09 80  17.9  12.1  998.9  +3.0 nowS                                    21 10m kn  AWS Albermarle
2018 Sep 18 15 03240 / 23 22 79  17.9  11.3  998.8  +4.2 nowS                                           kn  AWS Boulmer
2018 Sep 18 15 03257 7 22 18 80  19.5  13.4 1002.3  +1.8 nowS                                           kn      Leeming
2018 Sep 18 15 03265 / 23 17 84  19.5  13.4 1002.8  +1.8 nowS                                    36 WW  kn  AWS Topcliffe
2018 Sep 18 15 03266 7 23 20 79  20.5  13.2 1003.0  +2.3 nowS                                    32 WW  kn      Linton-on-Ouse
2018 Sep 18 15 03275 / 23 18 83  17.9  12.6 1001.9  +3.2 nowS                                    40 WW  kn  AWS Loftus
2018 Sep 18 15 03281 / 23 23 //  17.5  12.3                   // //                                     kn  AWS Fylingdales
2018 Sep 18 15 03292 / 24 21 //  22.2  12.4 1002.9  +2.8 nowR // //                              36 WW  kn  AWS Bridlington
2018 Sep 18 15 03346 / 22 22 //  17.9  13.6                   // //                                     kn  AWS Emley Moor No.2
2018 Sep 18 15 03373 / 24 25 86  20.9  12.7 1005.3  +2.1 nowS // //                              37 WW  kn  AWS Scampton
2018 Sep 18 15 03377 5 24 18 84  21.1  12.8 1005.9  +2.0 nowS                                    33 WW  kn      Waddington
2018 Sep 18 15 03379 6 22 23 82  21.3  12.8 1006.4  +2.3 nowS                                           kn      Cranwell
2018 Sep 18 15 03382 / 24 20 81  21.3  12.5 1003.9  +2.8 nowS 20 //                              36 WW  kn  AWS Leconfield
2018 Sep 18 15 03385 / 22 26 80  22.8  12.7 1004.9  +2.2 R    // //                              40 WW  kn  AWS Donna Nook
2018 Sep 18 15 03391 7 24 21 84  22.7  12.6 1006.1  +1.9 R                                       34 WW  kn      Coningsby
2018 Sep 18 15 03392 / 24 20 81  21.9  13.6 1006.5  +1.9 nowS // //                              32 WW  kn  AWS Wainfleet
2018 Sep 18 15 03302 7 19 28 57  17.4  15.0 1003.0  +0.7 nowS 05 11                                     kn      Valley
2018 Sep 18 15 03301 / 21 28 61  17.5  14.9 1003.1  +0.7 nowS // //                              43 WW  kn  AWS Raf Mona
2018 Sep 18 15 03305 / 22 30 43  15.7  14.0 1003.6  +0.5 nowR 23 //                              45 WW  kn  AWS Capel Curig
2018 Sep 18 15 03313 / 22 10 78  18.3  13.9 1004.2  +0.8 nowR // //                              24 10m kn  AWS Rhyl
2018 Sep 18 15 03321 / 22 20 68  20.7  13.4 1004.8  +0.8 nowS                                           kn  AWS Hawarden
2018 Sep 18 15 03405 / 21 29 04  16.5  15.3 1004.8  +1.0 nowS // //                              36 WW  kn  AWS Aberdaron
2018 Sep 18 15 03409 / 23 17 //  16.3  14.0 1004.9  +0.7 nowS // //                              32 WW  kn  AWS Bala
2018 Sep 18 15 03410 / 22 20 71  15.3  14.1 1005.2  +0.7 nowR // //                              37 WW  kn  AWS Lake Vrynwy
2018 Sep 18 15 03502 / 21 18 62  17.6  15.0 1006.1  +0.6 nowS 23 //                              31 WW  kn  AWS Aberporth
2018 Sep 18 15 03503 / 20 08 63  19.6  16.3 1006.5  +0.6 nowS 23 //                                     kn  AWS Trawscoed
2018 Sep 18 15 03507 / 24 19 59  15.7  14.4 1007.9  +1.1 nowS 81 //                              32 WW  kn  AWS Sennybridge
2018 Sep 18 15 03604 / 21 19 62  17.7  15.7 1007.0  +0.7 nowS // //                              28 WW  kn  AWS Milford Haven
2018 Sep 18 15 03605 / 21 27 57  18.7  16.3 1008.2  +0.8 nowS // //                              37 WW  kn  AWS Pembrey Sands
2018 Sep 18 15 03609 / 22 28 //  18.1  16.0 1009.2  +1.5 nowS // //                              34 WW  kn  AWS Mumbles
2018 Sep 18 15 03716 / 24 12 63  19.1  15.5 1009.3  +0.7 nowS                                           kn  AWS St Athan
2018 Sep 18 15 03330 / 23 19 79  18.5  13.2 1005.5  +1.2 nowS                                    28 WW  kn  AWS Leek Thorncliffe
2018 Sep 18 15 03354 / 22 14 80  20.4  13.3 1006.2  +1.6 nowS                                    31 WW  kn  AWS Nottingham Wea Cen
2018 Sep 18 15 03414 6 23 20 82  19.9  14.2 1005.8  +0.5 nowR                                    32 WW  kn      Shawbury
2018 Sep 18 15 03520 / 24 18 73  19.7  14.6 1007.4  +0.8 R    // //                              29 WW  kn  AWS Shobdon
2018 Sep 18 15 03522 / 23 07 71  20.5  13.2 1008.1  +0.9 R                                              kn  AWS Hereford Credenhill
2018 Sep 18 15 03529 / 21 16 75  19.5  15.1 1008.8  +1.2 R                                       28 WW  kn  AWS Pershore
2018 Sep 18 15 03535 / 20 12 74  19.4  14.3 1007.4  +1.3 nowS 23 //                                     kn  AWS Coleshill
2018 Sep 18 15 03544 / 23 12 76  19.7  14.1 1008.2  +1.5 nowS                                    31 WW  kn  AWS Church Lawford
2018 Sep 18 15 03647 / 24 16 84  17.8  14.4 1009.2  +1.0 nowR // //                              29 WW  kn  AWS Little Rissington
2018 Sep 18 15 03649 8 22 11 75  19.4  14.5 1009.7  +0.9 nowR 60 62                              22 10m kn      Brize Norton
2018 Sep 18 15 03658 7 20 18 80  20.0  13.9 1010.3  +1.0 nowR                                    27 WW  kn      Benson
2018 Sep 18 15 03660 / 23 10 81  19.9  13.4 1010.2  +1.2 R                                              kn  AWS High Wycombe
2018 Sep 18 15 03462 / 24 20 82  21.2  13.5 1007.3  +2.2 nowS                                    36 WW  kn  AWS Wittering
2018 Sep 18 15 03469 / 24 25 81  21.4  13.5 1007.3  +1.8 nowR                                    37 WW  kn  AWS Holbeach
2018 Sep 18 15 03482 7 24 20 70  21.8  13.0 1008.4  +2.2 nowR                                    34 WW  kn      Marham
2018 Sep 18 15 03488 / 23 23 84  22.0  12.7 1007.3  +2.4 nowR                                           kn  AWS Weybourne
2018 Sep 18 15 03560 / 24 15 82  20.9  12.9 1008.9  +1.6 nowS                                    25 WW  kn  AWS Bedford
2018 Sep 18 15 03590 7 24 17 80  20.6  12.5 1009.3  +1.7 nowS                                    26 WW  kn      Wattisham
2018 Sep 18 15 03684 / 25 19 84  21.8  12.6 1009.7  +1.8 nowS                                    28 WW  kn  AWS Andrewsfield
2018 Sep 18 15 03693 / 23 15 79  20.8  14.0 1010.8  +1.5 nowS                                           kn  AWS Shoeburyness
2018 Sep 18 15 03707 / 24 21 64  20.8  15.8 1009.5  +0.3 nowF                                    28 WW  kn  AWS Chivenor
2018 Sep 18 15 03628 / 22 10 80  17.3  16.3 1009.8  +1.1 nowS 57 //                                     kn  AWS Filton
2018 Sep 18 15 03710 / 21 13 72  16.2  16.1 1010.1  +0.8 nowS // //                                     kn  AWS Liscombe
2018 Sep 18 15 03803 / 21 19 58  18.5  15.7 1009.4  -0.1 F    04 //                              27 WW  kn  AWS Scilly St Marys
2018 Sep 18 15 03808 7 21 18 63  18.2  15.8 1010.0  +0.1 nowS                                    31 WW  kn      Camborne
2018 Sep 18 15 03809 7 20 16 58  17.8  16.0 1010.6  +0.4 nowS 05 22                              27 10m kn      Culdrose RNAS
2018 Sep 18 15 03823 / 22 17 67  18.4  15.0 1010.0  +0.4 nowS                                           kn  AWS Cardinham
2018 Sep 18 15 03827 / 21 17 57  17.3  15.6 1011.5  +0.6 R    04 //                                     kn  AWS Plymouth
2018 Sep 18 15 03840 / 22 14 63  17.4  14.5 1010.8  +0.8 nowS 61 //                                     kn  AWS Dunkeswell
2018 Sep 18 15 03853 6 20 17 62  19.6  15.6 1010.9  +0.9 nowS 01 82                              25 WW  kn      Yeovilton
2018 Sep 18 15 03672 6 23 16 82  22.3  13.1 1010.8  +1.2 nowR                                    25 WW  kn      Northolt
2018 Sep 18 15 03740 / 21 12 //  18.6  14.6 1010.0  +0.8 R    // //                                     kn  AWS Lyneham
2018 Sep 18 15 03743 7 22 12 70  19.1  14.5 1011.0  +1.0 nowS 20 52                                     kn      Larkhill
2018 Sep 18 15 03746 7 21 18 72  18.5  14.5 1011.2  +1.0 nowS 21 62                                     kn      Boscombe Down
2018 Sep 18 15 03749 8 22 13 75  18.4  14.9 1011.6  +1.5 nowS 21 65                                     kn      Middle Wallop
2018 Sep 18 15 03761 7 23 15 75  18.3  14.4 1011.6  +1.4 R    58 65                              26 WW  kn      Odiham
2018 Sep 18 15 03768 / 22 17 79  19.7  14.7 1011.7  +1.5 nowR // //                              27 WW  kn  AWS South Farnborough
2018 Sep 18 15 03769 / 23 09 66  18.9  14.0 1012.1  +1.7 R    57 //                                     kn  AWS Charlwood
2018 Sep 18 15 03770 / // // //  21.8  13.5                   // //                                     kn  AWS St James Park
2018 Sep 18 15 03772 / 22 19 75  21.9  13.4 1011.0  +1.3 nowR                                           kn  AWS Heathrow
2018 Sep 18 15 03781 / 23 13 72  17.9  13.8 1012.1  +1.9 nowR                                    25 WW  kn  AWS Kenley
2018 Sep 18 15 03796 / 24 19 //  17.5  14.5 1012.2  +1.4 nowS // //                              36 WW  kn  AWS Langdon Bay
2018 Sep 18 15 03797 / 23 20 67  19.6  13.9 1012.0  +1.7 nowR                                           kn  AWS Manston
2018 Sep 18 15 03857 / 24 20 62  18.2  15.7 1012.4  +0.8 nowS 04 //                                     kn  AWS Isle of Portland
2018 Sep 18 15 03862 / 24 13 65  19.1  15.3 1012.3  +0.9 nowS                                           kn  AWS Bournemouth Hurn
2018 Sep 18 15 03866 / 25 21 //  18.3  16.1 1013.0  +0.9 nowS // //                              29 WW  kn  AWS St Catherines Point
2018 Sep 18 15 03872 / 25 19 58  18.3  15.5 1012.9  +1.5 nowS 04 //                              27 WW  kn  AWS Thorney Island
2018 Sep 18 15 03876 / 23 19 //  19.0  15.7 1013.1  +1.7 nowS // //                              30 WW  kn  AWS Shoreham
2018 Sep 18 15 03882 / 24 10 61  18.7  15.2 1013.1  +1.2 nowS                                           kn  AWS Herstmonceux
2018 Sep 18 15 03894 7 23 13 81  19.3  13.7 1014.2  +0.4 nowS                                           kn      Guernsey Airport
2018 Sep 18 15 03895 / 18 08 67  20.8  13.1 1014.3  -0.1 nowF                                           kn  AWS Jersey Airport
2018 Sep 18 15 03901 / 21 14 82  18.4  12.1  996.0  -0.9 nowF                                    24 10m kn  AWS Thomastown
2018 Sep 18 15 03904 / 20 17 81  17.7  13.0  995.2  -1.4 nowS                                    29 WW  kn  AWS Castlederg
2018 Sep 18 15 03907 / 21 17 82  17.8  13.0  995.6  -0.6 F                                              kn  AWS Magilligan
2018 Sep 18 15 03911 / 20 12 43  16.7  12.9  996.5  -0.7 nowF 23 //                                     kn  AWS Lough Fea
2018 Sep 18 15 03915 / 19 12 75  17.0  12.5  996.2  -0.3 nowF                                           kn  AWS Port Glenone
2018 Sep 18 15 03916 / 24 12 83  16.4  12.2  996.5  +0.5 nowF                                           kn  AWS Ballypatrick Forest
2018 Sep 18 15 03917 / 18 09 81  17.6  13.0  997.0  -0.6 nowF                                    25 WW  kn  AWS Aldergrove
2018 Sep 18 15 03923 / 22 11 84  16.0  13.9  997.0  -0.9 F    23 //                                     kn  AWS Glennane
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