Decoded British Isles SYNOP weather reports

Weather data for 2017Aug18-21Z 
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 21 03002 / 11 09 58  13.0  12.7  996.3  -0.8 nowF 23 //                                     kn  AWS Baltasound
2017 Aug 18 21 03005 7 10 06 65  12.4  11.6  995.5  -0.1 F    25 86                                     kn      Lerwick
2017 Aug 18 21 03010 / 31 15 //  13.5        997.4  +0.4 nowF // //                                     kn  AWS Sule Skerry
2017 Aug 18 21 03017 / 30 11 68  13.2  12.7  996.0  +0.7 nowS 23 //                                     kn  AWS Kirkwall
2017 Aug 18 21 03023 / 30 19 69  13.5  10.9 1002.9  +1.9 nowS                                    29 WW  kn  AWS South Uist Range
2017 Aug 18 21 03026 / 29 13 77  12.8  11.6 1000.1  +1.5 nowS 23 //                                     kn  AWS Stornoway
2017 Aug 18 21 03031 / 29 09 66  11.4   9.7 1000.0  +1.0 nowR                                           kn  AWS Loch Glascarnoch
2017 Aug 18 21 03034 / 29 12 61  12.9  11.8 1000.5  +1.3 nowR 82 //                                     kn  AWS Aultbea
2017 Aug 18 21 03039 / 30 30 //   7.6   7.6                   // //                                     kn  AWS Bealach No Ba
2017 Aug 18 21 03041 / 25 20 //   5.9   5.8                   // //                                     kn  AWS Aonach Moor
2017 Aug 18 21 03044 / 15 03 84  10.8   9.1  998.7  +0.7 nowS                                           kn  AWS Altnaharra
2017 Aug 18 21 03047 / 27 06 73  12.1  10.2 1001.9  +1.1 nowR 81 //                                     kn  AWS Tulloch Bridge
2017 Aug 18 21 03062 / 27 07 82  13.1  11.8  998.9  +0.7 nowS                                           kn  AWS Tain Range
2017 Aug 18 21 03063 / 21 03 82  11.0   9.4 1000.2  +1.1 nowS                                           kn  AWS Aviemore
2017 Aug 18 21 03065 / 28 36 //   5.2   5.2                   // //                                     kn  AWS Cairngorm
2017 Aug 18 21 03066 / 22 07 82  12.5  10.9  999.0  +0.8 nowS                                           kn  AWS Kinloss
2017 Aug 18 21 03068 7 25 08 80  12.5  11.4  998.8  +0.9 nowS 21 62                                     kn      Lossiemouth
2017 Aug 18 21 03072 / 28 22 //   6.9   6.6                   // //                                     kn  AWS Cairnwell
2017 Aug 18 21 03075 / 28 15 70  12.5  11.9  996.8  +0.7 nowS 23 //                                     kn  AWS Wick
2017 Aug 18 21 03080 / 29 07 84  12.1   9.5  999.4  +0.9 R    23 //                                     kn  AWS Aboyne
2017 Aug 18 21 03088 / 24 18 81  11.7  10.9  999.6  +0.6 nowS                                    25 WW  kn  AWS Inverbervie
2017 Aug 18 21 03091 / 25 05 //  12.0  10.5  999.0  +0.8 nowS                                           kn  AWS Aberdeen Dyce
2017 Aug 18 21 03100 / 30 19 71  12.9   9.9 1004.7  +2.6 nowS                                           kn  AWS Tiree
2017 Aug 18 21 03105 / 29 20 66  13.2  10.7 1006.1  +2.9 nowS 23 //                              30 WW  kn  AWS Port Ellen
2017 Aug 18 21 03111 / 30 19 70  13.4  11.1 1005.7  +2.5 nowR // //                                     kn  AWS Machrihanish
2017 Aug 18 21 03132 / 29 13 64  12.9  12.1 1006.2  +1.5 nowR 23 //                                     kn  AWS West Freugh
2017 Aug 18 21 03134 / 28 11 61  12.8  11.8 1002.6  +0.4 nowR 82 //                                     kn  AWS Glasgow Bishopton
2017 Aug 18 21 03136 / 29 12 76  13.2  12.0 1004.1  +0.9 nowR 81 //                                     kn  AWS Prestwick
2017 Aug 18 21 03144 / 24 10 83  12.6  11.3 1001.6  +0.8 nowS                                           kn  AWS Strathallan
2017 Aug 18 21 03148 / 27 17 //   9.3   9.2                   // //                                     kn  AWS Glen Ogle
2017 Aug 18 21 03153 / 26 15 57  12.7  12.0 1004.9  +0.6 nowS 81 //                                     kn  AWS Dundrennan
2017 Aug 18 21 03155 / 22 13 82  11.2  10.2 1003.3  +0.2 R    // //                                     kn  AWS Drumalbin
2017 Aug 18 21 03158 / 22 12 84  11.1   9.3 1002.6  +0.1 nowR                                           kn  AWS Charterhall
2017 Aug 18 21 03162 / 20 07 83  10.7   9.6 1004.6  -0.0 nowR                                           kn  AWS Eskdalemuir
2017 Aug 18 21 03166 / 23 13 80  12.8  10.3 1001.9  +0.0 S                                              kn  AWS Edinburgh Gogarbank
2017 Aug 18 21 03171 / 26 13 82  12.7  10.8 1001.0  +0.8 nowS                                           kn  AWS Leuchars
2017 Aug 18 21 03204 7 27 16 82  15.1  10.3 1007.4  +1.3 nowR                                    26 WW  kn      Ronaldsway
2017 Aug 18 21 03210 / 25 16 82  13.7  10.9 1006.3  +0.8 R    // //                                     kn  AWS St Bees Head
2017 Aug 18 21 03212 / 25 04 81  13.3  10.2 1006.2  +0.7 R    // //                                     kn  AWS Keswick
2017 Aug 18 21 03214 / 24 14 69  13.9  11.3 1007.0  +1.1 nowS                                           kn  AWS Walney Island
2017 Aug 18 21 03224 / 24 14 66  10.5  10.4 1004.4  +0.3 nowS                                           kn  AWS Spadeadam
2017 Aug 18 21 03225 / 22 12 83  11.3   9.0 1006.4  +0.8 nowF // //                                     kn  AWS Shap Fell
2017 Aug 18 21 03226 / 24 10 84  11.5   9.4 1006.0  +0.6 nowS 23 //                                     kn  AWS Warcop Range
2017 Aug 18 21 03227 / 24 25 //   7.0   7.0                   // //                                     kn  AWS Great Dun Fell
2017 Aug 18 21 03316 / 27 13 61  14.6  11.1 1008.4  +1.2 nowR                                           kn  AWS Crosby
2017 Aug 18 21 03318 / 26 16 //  13.6  10.3                   // //                                     kn  AWS Blackpool
2017 Aug 18 21 03351 / 19 02 83  10.8   9.1 1008.8  +1.2 nowR                                           kn  AWS Rostherne
2017 Aug 18 21 03230 / 23 07 //  10.3   9.3 1004.4  +0.3 R    // //                                     kn  AWS Redesdale
2017 Aug 18 21 03238 / 24 05 83  11.4   9.0 1004.1  +0.1 nowS                                           kn  AWS Albermarle
2017 Aug 18 21 03240 / 23 15 82  12.4   9.6 1003.2  -0.4 nowF                                           kn  AWS Boulmer
2017 Aug 18 21 03257 / 20 08 81  12.3   8.7 1006.6  +0.6 nowS                                           kn  AWS Leeming
2017 Aug 18 21 03265 / 22 09 83  13.2   9.6 1006.9  +0.7 nowS                                           kn  AWS Topcliffe
2017 Aug 18 21 03266 / 24 10 81  13.4   8.2 1007.1  +0.8 nowS // //                                     kn  AWS Linton-on-Ouse
2017 Aug 18 21 03275 / 23 11 83  11.6   7.8 1005.8  +0.6 nowS                                           kn  AWS Loftus
2017 Aug 18 21 03281 / 22 10 //   9.9   7.7                   // //                                     kn  AWS Fylingdales
2017 Aug 18 21 03292 / 24 06 //  12.8   7.9 1006.7  +0.8 nowS // //                                     kn  AWS Bridlington
2017 Aug 18 21 03344 / 24 09 83  10.6   7.9 1007.8  +0.9 nowS                                           kn  AWS Bingley
2017 Aug 18 21 03346 / 25 08 //  11.1   8.4                   // //                                     kn  AWS Emley Moor No.2
2017 Aug 18 21 03373 / 23 07 82   9.9   8.2 1008.2  +0.5 nowR // //                                     kn  AWS Scampton
2017 Aug 18 21 03377 2 23 06 81  12.9   8.6 1008.5  +0.4 nowR                                           kn      Waddington
2017 Aug 18 21 03379 / 23 09 83  12.3   8.0 1008.7  +0.5 nowS // //                                     kn  AWS Cranwell
2017 Aug 18 21 03382 / 23 07 83  13.0   8.7 1007.1  +0.7 nowS                                           kn  AWS Leconfield
2017 Aug 18 21 03385 / 22 12 80  12.7   9.4 1007.9  +0.5 nowS // //                                     kn  AWS Donna Nook
2017 Aug 18 21 03391 4 21 05 82  12.1   8.3 1008.5  +0.4 R                                              kn      Coningsby
2017 Aug 18 21 03392 / 22 08 84  12.5  10.1 1008.6  +0.7 nowS // //                                     kn  AWS Wainfleet
2017 Aug 18 21 03302 / 25 10 83  13.8  11.2 1009.5  +2.5 R                                              kn  AWS Valley
2017 Aug 18 21 03301 / 25 07 80  12.6  11.0 1009.6  +2.4 nowR // //                                     kn  AWS Raf Mona
2017 Aug 18 21 03305 / 23 13 84  12.0   9.3 1010.0  +2.5 nowR                                           kn  AWS Capel Curig
2017 Aug 18 21 03321 / 24 06 84  11.0   9.1 1009.2  +1.1 nowR                                           kn  AWS Hawarden
2017 Aug 18 21 03405 / 28 17 83  13.2  11.6 1011.2  +3.3 nowR // //                                     kn  AWS Aberdaron
2017 Aug 18 21 03409 / 25 06 //  11.3   9.2 1009.9  +2.1 nowR // //                                     kn  AWS Bala
2017 Aug 18 21 03410 / 27 06 84   9.4   8.5 1009.8  +1.4 nowR // //                                     kn  AWS Lake Vrynwy
2017 Aug 18 21 03502 / 27 21 63  14.5  12.4 1011.6  +3.3 nowR                                    34 WW  kn  AWS Aberporth
2017 Aug 18 21 03503 / 29 08 81  14.1  11.0 1010.9  +3.2 nowR                                           kn  AWS Trawscoed
2017 Aug 18 21 03507 / 31 03 74  11.5  10.9 1011.3  +2.1 nowR 62 //                                     kn  AWS Sennybridge
2017 Aug 18 21 03604 / 28 16 73  14.4  11.7 1012.9  +2.5 nowR // //                              29 WW  kn  AWS Milford Haven
2017 Aug 18 21 03605 / 27 27 76  15.2  12.2 1012.6  +1.9 nowR // //                              37 WW  kn  AWS Pembrey Sands
2017 Aug 18 21 03609 / 26 26 //  15.6  12.4 1012.6  +1.8 nowR // //                              39 WW  kn  AWS Mumbles
2017 Aug 18 21 03716 / 27 22 62  15.8  12.1 1011.6  +0.6 nowR                                    39 WW  kn  AWS St Athan
2017 Aug 18 21 03330 / 23 02 84   8.8   7.3 1009.2  +0.5 nowR                                           kn  AWS Leek Thorncliffe
2017 Aug 18 21 03354 / 24 05 82  12.2   8.3 1008.8  +0.3 R                                              kn  AWS Nottingham Wea Cen
2017 Aug 18 21 03414 / 25 04 80  11.2  10.0 1009.3  +0.5 nowR                                           kn  AWS Shawbury
2017 Aug 18 21 03520 / 31 03 78  11.1  10.6 1009.8  -0.2 nowR // //                                     kn  AWS Shobdon
2017 Aug 18 21 03522 / 26 10 80  13.4  12.0 1010.2  -0.4 nowR 23 //                                     kn  AWS Hereford Credenhill
2017 Aug 18 21 03529 / 27 03 42  12.3  11.5 1010.0  -0.6 nowR 63 //                                     kn  AWS Pershore
2017 Aug 18 21 03535 / 19 05 82  10.8  10.3 1008.9  -0.5 nowR 23 //                                     kn  AWS Coleshill
2017 Aug 18 21 03544 / 19 05 75  11.0  10.2 1008.8  -0.9 nowF 61 //                                     kn  AWS Church Lawford
2017 Aug 18 21 03647 / 22 14 62  11.5  11.1 1009.7  -1.0 nowF // //                                     kn  AWS Little Rissington
2017 Aug 18 21 03649 8 22 09 62  12.8  11.1 1010.5  -0.7 nowF 80 82                                     kn      Brize Norton
2017 Aug 18 21 03658 8 21 13 57  13.3  10.4 1011.2  -0.5 nowF 61 62                                     kn      Benson
2017 Aug 18 21 03660 / 24 10 72  12.4   9.6 1011.0  -0.5 nowF 81 //                              20 10m kn  AWS High Wycombe
2017 Aug 18 21 03462 / 23 13 85  12.1   9.6 1008.6  -0.1 nowF 57 //                                     kn  AWS Wittering
2017 Aug 18 21 03469 / 23 14 84  13.7   9.5 1009.0  +0.6 nowF                                           kn  AWS Holbeach
2017 Aug 18 21 03482 / 21 09 80  13.6   9.9 1009.7  +0.8 nowS                                           kn  AWS Marham
2017 Aug 18 21 03488 / 22 13 84  13.1   9.9 1009.2  +0.8 nowS                                           kn  AWS Weybourne
2017 Aug 18 21 03560 / 24 05 38  11.2   9.9 1010.4  +0.1 nowS 63 //                                     kn  AWS Bedford
2017 Aug 18 21 03590 / 24 08 82  12.8   9.2 1011.0  +0.8 nowS                                           kn  AWS Wattisham
2017 Aug 18 21 03684 / 24 12 68  13.2  10.3 1011.2  +0.5 nowF 82 //                                     kn  AWS Andrewsfield
2017 Aug 18 21 03693 / 23 11 84  15.6   9.9 1011.9  +0.3 nowF                                           kn  AWS Shoeburyness
2017 Aug 18 21 03707 / 27 22 61  15.9  12.9 1013.9  +0.9 nowR                                    35 WW  kn  AWS Chivenor
2017 Aug 18 21 03628 / 25 20 60  14.7  12.7 1011.3  -0.1 nowR 23 //                              35 WW  kn  AWS Filton
2017 Aug 18 21 03710 / 27 19 71  12.4  11.3 1013.2  +0.4 nowR // //                              30 WW  kn  AWS Liscombe
2017 Aug 18 21 03803 / 27 18 65  15.1  11.9 1018.8  +1.6 nowR                                    28 WW  kn  AWS Scilly St Marys
2017 Aug 18 21 03808 6 27 15 58  14.7  11.7 1017.6  +1.5 nowR 05 11                                     kn      Camborne
2017 Aug 18 21 03809 / 26 20 73  15.0  10.8 1017.8  +1.6 nowR // //                              28 WW  kn  AWS Culdrose RNAS
2017 Aug 18 21 03823 / 24 17 63  13.6  11.4 1015.9  +1.1 nowR 23 //                              28 WW  kn  AWS Cardinham
2017 Aug 18 21 03827 / 26 14 63  14.8  11.8 1016.4  +1.1 nowR                                           kn  AWS Plymouth
2017 Aug 18 21 03840 / 26 12 73  12.9  10.9 1014.2  +0.6 nowR 23 //                              25 WW  kn  AWS Dunkeswell
2017 Aug 18 21 03853 / 24 13 74  15.2  11.0 1013.5  +0.5 nowR                                           kn  AWS Yeovilton
2017 Aug 18 21 03672 / 23 12 86  14.7  10.0 1011.7  -0.3 nowF // //                                     kn  AWS Northolt
2017 Aug 18 21 03740 / 23 10 //  12.2  11.1 1011.7  -0.1 nowR // //                                     kn  AWS Lyneham
2017 Aug 18 21 03743 / 23 11 82  14.0   8.8 1012.5  -0.0 nowR // //                                     kn  AWS Larkhill
2017 Aug 18 21 03746 / 23 16 78  13.9   9.1 1012.7  +0.1 R                                              kn  AWS Boscombe Down
2017 Aug 18 21 03749 / 23 11 79  14.1   8.6 1012.8  +0.2 R    // //                                     kn  AWS Middle Wallop
2017 Aug 18 21 03761 / 23 16 82  14.0   8.2 1012.4  +0.0 nowF                                           kn  AWS Odiham
2017 Aug 18 21 03768 / 21 09 81  13.2   9.5 1012.5  +0.1 R    // //                                     kn  AWS South Farnborough
2017 Aug 18 21 03769 / 23 05 80  13.1   9.7 1012.8  +0.2 nowS                                           kn  AWS Charlwood
2017 Aug 18 21 03770 / // // //  15.0   9.9                   // //                                     kn  AWS St James Park
2017 Aug 18 21 03772 / 22 11 81  15.0   8.9 1011.9  -0.2 nowF                                           kn  AWS Heathrow
2017 Aug 18 21 03781 / 21 07 82  12.7   9.7 1012.7  +0.2 nowS                                           kn  AWS Kenley
2017 Aug 18 21 03784 / 21 09 //  14.8   9.4 1011.9  +0.3 nowF // //                                     kn  AWS Gravesend
2017 Aug 18 21 03796 / 25 12 //  13.7  10.1 1013.1  +0.5 nowF // //                              26 WW  kn  AWS Langdon Bay
2017 Aug 18 21 03797 / 22 06 80  13.2  10.1 1013.0  +0.6 nowF                                           kn  AWS Manston
2017 Aug 18 21 03857 / 25 26 64  15.7  11.4 1014.6  +0.7 nowR                                    35 WW  kn  AWS Isle of Portland
2017 Aug 18 21 03862 / 25 10 70  14.6   9.8 1014.1  +0.6 nowR                                           kn  AWS Bournemouth Hurn
2017 Aug 18 21 03866 / 26 27 //  16.4  11.5 1014.2  +0.6 nowR // //                              35 WW  kn  AWS St Catherines Point
2017 Aug 18 21 03872 / 24 19 75  16.0  10.8 1013.7  +0.7 R                                              kn  AWS Thorney Island
2017 Aug 18 21 03876 / 26 19 //  15.6   9.6 1013.6  +0.7 nowS // //                              28 WW  kn  AWS Shoreham
2017 Aug 18 21 03882 / 25 07 74  14.8   9.8 1013.6  +0.5 nowS                                           kn  AWS Herstmonceux
2017 Aug 18 21 03894 4 26 20 81  15.1  10.4 1018.4  +0.8 R    80 81                              29 WW  kn      Guernsey Airport
2017 Aug 18 21 03895 2 26 18 80  15.5  11.5 1018.5  +0.7 R    01 81                                     kn      Jersey Airport
2017 Aug 18 21 03901 / 28 06 73  12.1  10.7 1010.0  +3.0 nowS 23 //                                     kn  AWS Thomastown
2017 Aug 18 21 03904 / 27 07 75  12.1   9.5 1009.7  +2.9 nowS                                           kn  AWS Castlederg
2017 Aug 18 21 03907 / 29 16 71  13.4  10.2 1008.1  +3.0 nowS                                           kn  AWS Magilligan
2017 Aug 18 21 03911 / 30 17 68  11.8  10.6 1008.8  +3.0 nowS 58 //                              26 WW  kn  AWS Lough Fea
2017 Aug 18 21 03915 / 27 05 65  12.4  10.5 1008.0  +3.3 nowS 23 //                                     kn  AWS Port Glenone
2017 Aug 18 21 03916 / 31 14 65  12.0  10.2 1007.4  +3.0 nowS 23 //                                     kn  AWS Ballypatrick Forest
2017 Aug 18 21 03917 / 30 11 78  12.8  10.1 1008.4  +3.2 nowS                                           kn  AWS Aldergrove
2017 Aug 18 21 03923 / 32 11 77  11.6   9.5 1009.2  +3.1 nowS 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.


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