Decoded British Isles SYNOP weather reports

Weather data for 2017Aug18-15Z 
Year Mon Da ZZ Site  N dd ff VV  temp  dewp   mslp  ptendency ww WW  Rain H  maxT  minT  Tg sss* GG GGh ffu
2017 Aug 18 15 03002 / 10 11 60  13.3  12.3  998.6  -1.3 nowS 81 //                                     kn  AWS Baltasound
2017 Aug 18 15 03005 8 12 12 64  13.8  12.4  996.9  -1.5 nowS 03 62                                     kn      Lerwick
2017 Aug 18 15 03008 7 12 08 57  12.9  12.3  995.7  -1.5 F    81 82                                     kn      Fair Isle
2017 Aug 18 15 03010 / 31 16 //  13.3        996.4  -0.1 nowF // //                                     kn  AWS Sule Skerry
2017 Aug 18 15 03017 / 19 03 68  14.3  13.3  995.3  -0.6 F    23 //                                     kn  AWS Kirkwall
2017 Aug 18 15 03023 / 30 13 74  15.1  13.0  998.8  -0.1 nowS 23 //                                     kn  AWS South Uist Range
2017 Aug 18 15 03026 / 27 12 79  16.4  10.7  998.0  +0.1 R                                              kn  AWS Stornoway
2017 Aug 18 15 03031 / 28 15 82  13.1   9.3  998.4  +0.1 R                                              kn  AWS Loch Glascarnoch
2017 Aug 18 15 03034 / 24 09 64  14.1  12.3  998.8  +0.0 S    61 //                                     kn  AWS Aultbea
2017 Aug 18 15 03039 / 27 18 //   7.7   7.7                   // //                                     kn  AWS Bealach No Ba
2017 Aug 18 15 03041 / 24 23 //   5.1   5.0                   // //                                     kn  AWS Aonach Moor
2017 Aug 18 15 03044 / 27 10 84  13.0  10.7  997.3  +0.4 nowS 23 //                                     kn  AWS Altnaharra
2017 Aug 18 15 03047 / 21 06 84  12.2   9.9 1000.6  +0.4 nowR 23 //                                     kn  AWS Tulloch Bridge
2017 Aug 18 15 03062 / 29 18 83  13.9   9.2  997.4  +0.3 R                                       25 WW  kn  AWS Tain Range
2017 Aug 18 15 03063 / 23 05 80  12.4   8.2  998.5  +0.2 nowR 57 //                                     kn  AWS Aviemore
2017 Aug 18 15 03065 / 27 35 //   3.9   3.9                   // //                                     kn  AWS Cairngorm
2017 Aug 18 15 03066 / 27 10 82  13.4  10.6  997.5            81 //                                     kn  AWS Kinloss
2017 Aug 18 15 03068 8 29 14 56  12.6  10.6  997.3  +0.4 nowR 62 62                                     kn      Lossiemouth
2017 Aug 18 15 03072 / 27 25 //   6.3   5.8                   // //                                     kn  AWS Cairnwell
2017 Aug 18 15 03075 / 29 16 64  12.8  12.4  995.4  +0.0 nowF 57 //                              26 WW  kn  AWS Wick
2017 Aug 18 15 03080 / 26 07 83  12.4  10.1  997.9  +0.1 nowR 81 //                                     kn  AWS Aboyne
2017 Aug 18 15 03088 / 22 16 56  11.4  11.2  998.9  +0.5 nowS 62 //                                     kn  AWS Inverbervie
2017 Aug 18 15 03091 / 23 08 //  12.2  10.9  997.9  +0.4 nowF 61 //                                     kn  AWS Aberdeen Dyce
2017 Aug 18 15 03100 / 25 18 66  14.2  11.2 1000.5  +0.2 nowS                                           kn  AWS Tiree
2017 Aug 18 15 03105 / 26 15 66  15.0  12.2 1002.5  +0.3 nowR                                    25 WW  kn  AWS Port Ellen
2017 Aug 18 15 03111 / 26 13 80  15.2  11.7 1002.7  +0.2 R    // //                                     kn  AWS Machrihanish
2017 Aug 18 15 03132 / 20 11 80  15.7  11.6 1004.0  -0.0 nowR 23 //                                     kn  AWS West Freugh
2017 Aug 18 15 03134 / 26 11 80  14.3  10.7 1001.7  +0.3 nowR                                           kn  AWS Glasgow Bishopton
2017 Aug 18 15 03136 / 24 14 80  14.8  10.3 1002.7  +0.2 nowS 23 //                                     kn  AWS Prestwick
2017 Aug 18 15 03144 / 24 09 73  12.9  11.5 1000.9  +0.7 nowR 61 //                                     kn  AWS Strathallan
2017 Aug 18 15 03148 / 27 17 //   8.4   7.9                   // //                                     kn  AWS Glen Ogle
2017 Aug 18 15 03155 / 24 19 84  12.9   9.5 1002.4  +0.4 nowR // //                              29 WW  kn  AWS Drumalbin
2017 Aug 18 15 03158 / 22 16 58  14.7   9.5 1001.7  +0.6 R    23 //                              28 WW  kn  AWS Charterhall
2017 Aug 18 15 03162 7 21 08 81  13.3  10.5 1003.2  +0.3 nowS 25 82                                     kn      Eskdalemuir
2017 Aug 18 15 03166 / 24 11 81  13.8   9.8 1001.4  +0.3 nowR                                           kn  AWS Edinburgh Gogarbank
2017 Aug 18 15 03171 / 26 15 66  13.3  11.1 1000.3  +0.5 nowR 62 //                                     kn  AWS Leuchars
2017 Aug 18 15 03204 1 21 19 82  16.6  10.1 1005.3  -0.4 F                                              kn      Ronaldsway
2017 Aug 18 15 03210 / 23 19 80  14.3  10.8 1005.1  -0.0 nowR // //                              28 WW  kn  AWS St Bees Head
2017 Aug 18 15 03212 / 24 09 80  15.4  10.1 1005.0  +0.2 nowS // //                                     kn  AWS Keswick
2017 Aug 18 15 03214 / 23 17 81  15.7  10.2 1006.0  +0.0 S                                       25 WW  kn  AWS Walney Island
2017 Aug 18 15 03224 / 26 12 82  11.0   7.9 1003.8  +0.5 nowR 23 //                              34 WW  kn  AWS Spadeadam
2017 Aug 18 15 03225 / 23 17 84  14.0   8.3 1005.1  +0.3 R    // //                              26 WW  kn  AWS Shap Fell
2017 Aug 18 15 03226 / 25 17 82  14.3   8.1 1004.7  +0.6 nowR                                    28 WW  kn  AWS Warcop Range
2017 Aug 18 15 03227 / 26 24 //   6.2   6.2                   // //                                     kn  AWS Great Dun Fell
2017 Aug 18 15 03316 / 26 20 81  17.8  10.8 1007.1  -0.3 nowS                                           kn  AWS Crosby
2017 Aug 18 15 03318 / 25 17 //  17.3  10.1                   // //                                     kn  AWS Blackpool
2017 Aug 18 15 03351 / 29 06 84  15.9  12.1 1007.4  +0.2 R    23 //                                     kn  AWS Rostherne
2017 Aug 18 15 03230 / 23 07 //  12.0  10.7 1003.5  +0.4 nowR // //                                     kn  AWS Redesdale
2017 Aug 18 15 03238 / 26 12 78  15.6   6.7 1002.9  +0.1 nowR                                    23 10m kn  AWS Albermarle
2017 Aug 18 15 03240 / 24 19 70  15.6   8.7 1002.9  +0.8 nowR                                    29 10m kn  AWS Boulmer
2017 Aug 18 15 03257 / 25 13 80  16.9   6.5 1005.5  +0.2 nowR                                    25 WW  kn  AWS Leeming
2017 Aug 18 15 03265 / 25 14 82  16.9   8.0 1005.9  +0.2 R                                       26 WW  kn  AWS Topcliffe
2017 Aug 18 15 03266 3 27 13 84  17.2   7.4 1005.9  +0.1 nowF 25 81                              25 WW  kn      Linton-on-Ouse
2017 Aug 18 15 03275 / 25 21 77  16.9   6.3 1004.3  +0.2 nowR                                    29 WW  kn  AWS Loftus
2017 Aug 18 15 03281 / 23 17 //  16.1   8.3                   // //                                     kn  AWS Fylingdales
2017 Aug 18 15 03292 / 25 13 //  17.6   7.7 1005.6  +0.3 nowS // //                              26 WW  kn  AWS Bridlington
2017 Aug 18 15 03344 / 25 10 83  14.8   7.4 1006.3  -0.1 F                                              kn  AWS Bingley
2017 Aug 18 15 03346 / 24 12 //  12.8   8.8                   // //                                     kn  AWS Emley Moor No.2
2017 Aug 18 15 03373 / 25 14 84  17.6   9.4 1007.0  -0.2 F    // //                                     kn  AWS Scampton
2017 Aug 18 15 03377 6 26 10 65  16.3   8.2 1007.3  -0.2 nowF 95 98                                     kn      Waddington
2017 Aug 18 15 03379 5 23 13 83  18.3   8.0 1007.2  -0.4 nowF 17 92                                     kn      Cranwell
2017 Aug 18 15 03382 / 26 14 84  16.4   8.6 1006.3  +0.5 nowF                                           kn  AWS Leconfield
2017 Aug 18 15 03385 / 24 11 80  18.6   8.3 1006.7  -0.2 nowS // //                              26 WW  kn  AWS Donna Nook
2017 Aug 18 15 03391 7 23 11 82  19.0   6.9 1007.1  -0.6 nowF 25 91                                     kn      Coningsby
2017 Aug 18 15 03392 / 24 14 82  16.6   9.7 1007.4  -0.4 nowS // //                                     kn  AWS Wainfleet
2017 Aug 18 15 03302 6 20 22 84  16.1  10.6 1007.1  -0.5 F                                       28 WW  kn      Valley
2017 Aug 18 15 03301 / 22 22 81  15.8  10.5 1007.3  -0.4 F    // //                              28 WW  kn  AWS Raf Mona
2017 Aug 18 15 03305 / 23 21 80  13.4   8.9 1007.7  -0.2 nowS                                    32 WW  kn  AWS Capel Curig
2017 Aug 18 15 03313 / 24 11 84  17.0   9.3 1007.4  +0.0 S    // //                                     kn  AWS Rhyl
2017 Aug 18 15 03405 / 22 24 80  13.5  10.5 1008.7  -0.6 nowS // //                              36 WW  kn  AWS Aberdaron
2017 Aug 18 15 03409 / 24 14 //  14.2   8.7 1008.1  +0.1 nowR // //                                     kn  AWS Bala
2017 Aug 18 15 03410 / 23 15 84  12.6   8.7 1008.2  +0.1 R    // //                              25 WW  kn  AWS Lake Vrynwy
2017 Aug 18 15 03502 / 24 22 78  14.7   9.2 1009.9  +0.4 R                                       31 WW  kn  AWS Aberporth
2017 Aug 18 15 03503 / 25 12 70  15.0   9.8 1009.9  +0.3 nowR                                    24 10m kn  AWS Trawscoed
2017 Aug 18 15 03507 / 25 14 84  13.9  10.7 1009.8  -0.3 nowF 23 //                              26 WW  kn  AWS Sennybridge
2017 Aug 18 15 03604 / 26 20 73  15.2  11.1 1010.9  -0.0 nowR // //                              31 WW  kn  AWS Milford Haven
2017 Aug 18 15 03605 / 26 30 63  16.0  11.5 1011.4  +0.2 nowR // //                              37 WW  kn  AWS Pembrey Sands
2017 Aug 18 15 03609 / 25 32 //  15.7  11.2 1011.2  +0.1 nowF // //                              39 WW  kn  AWS Mumbles
2017 Aug 18 15 03716 / 26 22 80  15.9  10.1 1011.5  -0.1 nowR 23 //                              32 WW  kn  AWS St Athan
2017 Aug 18 15 03330 / 27 09 81  13.6  10.1 1007.6  -0.3 nowR 23 //                                     kn  AWS Leek Thorncliffe
2017 Aug 18 15 03354 / 25 10 82  18.3   8.7 1007.3  -0.6 nowF                                           kn  AWS Nottingham Wea Cen
2017 Aug 18 15 03414 5 23 19 80  14.7   8.8 1008.3  +0.4 nowR 25 81                              28 WW  kn      Shawbury
2017 Aug 18 15 03522 / 25 08 81  18.0  10.1 1010.0  -0.2 F                                              kn  AWS Hereford Credenhill
2017 Aug 18 15 03529 / 26 11 83  17.6   7.2 1010.2  +0.5 nowS                                           kn  AWS Pershore
2017 Aug 18 15 03535 / 25 09 84  17.2   8.9 1008.6  -0.2 nowS 57 //                                     kn  AWS Coleshill
2017 Aug 18 15 03544 / 25 10 82  16.6   7.3 1008.9  +0.3 nowF                                           kn  AWS Church Lawford
2017 Aug 18 15 03647 / 27 12 84  14.5   8.8 1009.6  +0.1 nowS // //                              26 WW  kn  AWS Little Rissington
2017 Aug 18 15 03649 4 24 10 70  16.9   7.7 1010.4  +0.2 nowR 25 81                              21 10m kn      Brize Norton
2017 Aug 18 15 03658 7 23 13 81  14.3  10.0 1011.3  +0.5 nowR 02 98                                     kn      Benson
2017 Aug 18 15 03660 / 24 08 83  13.5   9.9 1011.0  +0.3 nowR                                           kn  AWS High Wycombe
2017 Aug 18 15 03462 / 24 15 87  16.9  10.5 1007.9  +0.0 nowF                                           kn  AWS Wittering
2017 Aug 18 15 03469 / 24 11 84  17.7  11.4 1008.0  -0.3 nowR 23 //                                     kn  AWS Holbeach
2017 Aug 18 15 03482 7 28 17 40  12.5   8.8 1009.4  +0.8 nowR 97 92                                     kn      Marham
2017 Aug 18 15 03488 / 24 16 81  14.4  10.8 1008.2  -0.0 nowR 82 //                              33 WW  kn  AWS Weybourne
2017 Aug 18 15 03560 / 23 08 84  15.5  11.0 1009.5  +0.4 nowF 23 //                                     kn  AWS Bedford
2017 Aug 18 15 03590 5 26 07 75  15.3  10.1 1009.7  +0.6 nowF 25 81                              33 WW  kn      Wattisham
2017 Aug 18 15 03684 / 27 11 72  15.7  11.1 1009.8  +0.4 nowF 23 //                                     kn  AWS Andrewsfield
2017 Aug 18 15 03693 / 30 12 83  18.0   9.4 1010.3  +0.4 nowR 23 //                              29 WW  kn  AWS Shoeburyness
2017 Aug 18 15 03707 / 26 23 80  18.1  10.9 1012.9  +0.3 nowR                                    32 WW  kn  AWS Chivenor
2017 Aug 18 15 03628 / 26 13 64  14.6  12.3 1011.5  +0.3 nowR 81 //                              32 WW  kn  AWS Filton
2017 Aug 18 15 03710 / 27 17 82  14.4   9.3 1012.0  +0.3 nowS // //                              29 10m kn  AWS Liscombe
2017 Aug 18 15 03803 / 26 23 74  17.3  11.5 1016.6  +1.1 nowR                                    33 WW  kn  AWS Scilly St Marys
2017 Aug 18 15 03808 / 28 18 68  15.6  10.2 1015.5  +0.9 nowS 23 //                                     kn  AWS Camborne
2017 Aug 18 15 03809 / 26 20 80  15.4   9.7 1015.7  +0.9 R    // //                              30 WW  kn  AWS Culdrose RNAS
2017 Aug 18 15 03823 / 24 17 74  14.9  10.7 1014.2  +0.6 R                                       28 10m kn  AWS Cardinham
2017 Aug 18 15 03827 / 26 21 66  17.4  11.8 1014.6  +0.4 nowR                                    29 WW  kn  AWS Plymouth
2017 Aug 18 15 03840 / 27 13 84  15.7   8.1 1012.8  +0.5 R                                       25 WW  kn  AWS Dunkeswell
2017 Aug 18 15 03853 / 27 15 75  17.9  11.7 1012.3  +0.5 nowF                                           kn  AWS Yeovilton
2017 Aug 18 15 03672 7 24 13 84  14.6  11.2 1011.4  +1.0 nowS 25 98                              23 10m kn      Northolt
2017 Aug 18 15 03740 / 24 12 //  16.2  10.7 1011.0  +0.3 nowF // //                                     kn  AWS Lyneham
2017 Aug 18 15 03743 4 25 09 81  16.2  10.2 1011.9  +0.7 nowS 25 98                                     kn      Larkhill
2017 Aug 18 15 03746 5 24 10 62  15.2  11.3 1012.2  +0.9 nowS 25 98                                     kn      Boscombe Down
2017 Aug 18 15 03749 / 26 08 81  14.2   9.9 1012.5  +1.3 R    // //                                     kn  AWS Middle Wallop
2017 Aug 18 15 03761 6 23 08 84  13.2   9.4 1012.3  +1.3 nowF 29 92                              30 WW  kn      Odiham
2017 Aug 18 15 03768 / 23 06 82  12.1  10.3 1012.6  +1.6 nowF // //                                     kn  AWS South Farnborough
2017 Aug 18 15 03770 / // // //  14.4  11.2                   // //                                     kn  AWS St James Park
2017 Aug 18 15 03772 / 23 15 65  14.0  10.7 1011.8  +1.2 nowS 81 //                                     kn  AWS Heathrow
2017 Aug 18 15 03781 / 28 13 62  13.3   8.5 1012.5  +1.6 nowR 44 //                                     kn  AWS Kenley
2017 Aug 18 15 03784 / 27 17 //  14.2  11.4 1011.3  +1.4 nowR // //                              26 WW  kn  AWS Gravesend
2017 Aug 18 15 03796 / 23 15 //  18.4  13.1 1010.9  -0.0 nowR // //                              30 WW  kn  AWS Langdon Bay
2017 Aug 18 15 03797 / 25 16 82  20.1   9.2 1010.4  -0.1 nowR                                           kn  AWS Manston
2017 Aug 18 15 03857 / 25 23 66  17.3  11.2 1013.2  +0.4 nowF                                    31 WW  kn  AWS Isle of Portland
2017 Aug 18 15 03866 / 26 22 //  17.3  11.4 1013.0  +0.4 R    // //                              30 WW  kn  AWS St Catherines Point
2017 Aug 18 15 03872 / 27 11 84  16.8  10.3 1012.9  +1.0 nowR                                    36 WW  kn  AWS Thorney Island
2017 Aug 18 15 03876 / 25 24 //  18.3  11.4 1012.3  +0.7 nowR // //                              33 WW  kn  AWS Shoreham
2017 Aug 18 15 03894 2 27 21 82  17.7  10.6 1016.3  +1.2 nowS 02 81                              30 WW  kn      Guernsey Airport
2017 Aug 18 15 03895 1 27 16 82  17.5  12.6 1016.4  +1.0 nowS                                    26 10m kn      Jersey Airport
2017 Aug 18 15 03901 / 28 07 83  15.1  10.8 1004.4  +1.1 nowR 23 //                                     kn  AWS Thomastown
2017 Aug 18 15 03904 / 24 11 81  17.0  13.1 1004.0  +0.4 nowR 23 //                                     kn  AWS Castlederg
2017 Aug 18 15 03907 / 27 16 83  16.5  11.8 1003.2  +0.2 nowS 23 //                                     kn  AWS Magilligan
2017 Aug 18 15 03911 / 26 11 //  15.0  10.8                   // //                                     kn  AWS Lough Fea
2017 Aug 18 15 03915 / 24 08 81  15.1  10.2 1003.3  -0.1 nowR 23 //                                     kn  AWS Port Glenone
2017 Aug 18 15 03916 / 28 14 82  14.2  10.6 1003.2  +0.0 nowF 23 //                                     kn  AWS Ballypatrick Forest
2017 Aug 18 15 03917 / 23 10 81  15.4  10.9 1004.1  +0.4 nowR 23 //                                     kn  AWS Aldergrove
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