Decoded British Isles SYNOP weather reports

Weather data for 2018Apr20-21Z 
Year Mon Da ZZ Site  N dd ff VV  temp  dewp   mslp  ptendency ww WW  Rain H  maxT  minT  Tg sss* GG GGh ffu
2018 Apr 20 21 03002 / 26 13 64   7.3   6.6 1016.0  +1.0 nowR                                           kn  AWS Baltasound
2018 Apr 20 21 03005 7 26 14 58   7.0   6.5 1017.0  +1.2 R    10 11                                     kn      Lerwick
2018 Apr 20 21 03008 / 25 17 62   7.1       1018.5  +1.0 nowR                                           kn  AWS Fair Isle
2018 Apr 20 21 03010 / 24 12 //   7.9   6.3 1019.5  +1.3 R    // //                                     kn  AWS Sule Skerry
2018 Apr 20 21 03017 / 25 12 63   7.1   5.7 1019.9  +1.1 nowR                                           kn  AWS Kirkwall
2018 Apr 20 21 03023 / 22 11 59   8.4   7.4 1021.7  +0.5 R    04 //                                     kn  AWS South Uist Range
2018 Apr 20 21 03026 / 24 09 68   7.5   5.9 1020.8  +1.0 nowR                                           kn  AWS Stornoway
2018 Apr 20 21 03031 / 30 05 76   6.5   4.4 1022.4  +1.0 R    23 //                                     kn  AWS Loch Glascarnoch
2018 Apr 20 21 03034 / 23 07 76   8.0   5.8 1022.0  +0.8 R                                              kn  AWS Aultbea
2018 Apr 20 21 03039 / // // //   2.9   2.9                   // //                                     kn  AWS Bealach No Ba
2018 Apr 20 21 03044 / 20 04 82   8.6   5.3 1021.0  +1.0 R    23 //                                     kn  AWS Altnaharra
2018 Apr 20 21 03047 / 28 04 82   7.1   5.3 1024.0  +0.8 nowS                                           kn  AWS Tulloch Bridge
2018 Apr 20 21 03062 / 29 05 84   5.2   2.6 1021.6  +1.2 nowS                                           kn  AWS Tain Range
2018 Apr 20 21 03063 / 26 03 83   5.9   2.2 1022.9  +1.3 nowS                                           kn  AWS Aviemore
2018 Apr 20 21 03065 / 27 28 //  -0.1  -0.1                   // //                                     kn  AWS Cairngorm
2018 Apr 20 21 03066 / 25 10 86   9.0   4.6 1021.6  +1.0 nowS                                           kn  AWS Kinloss
2018 Apr 20 21 03068 1 26 08 84   8.3   4.8 1021.7  +1.3 nowS                                           kn      Lossiemouth
2018 Apr 20 21 03072 / 29 20 //   2.2   2.2                   // //                                     kn  AWS Cairnwell
2018 Apr 20 21 03075 / 22 03 80   6.9   4.0 1020.6  +1.7 nowS                                           kn  AWS Wick
2018 Apr 20 21 03080 / 31 03 84   7.6   4.4 1022.4  +1.3 nowR                                           kn  AWS Aboyne
2018 Apr 20 21 03088 / 27 07 84   8.8   4.4 1022.2  +1.5 nowR                                           kn  AWS Inverbervie
2018 Apr 20 21 03091 / 25 06 84  10.8   3.7 1022.1  +1.9 R                                              kn  AWS Aberdeen Dyce
2018 Apr 20 21 03100 / 22 07 65   7.1   6.5 1022.9  +0.3 nowR                                           kn  AWS Tiree
2018 Apr 20 21 03105 / 08 02 67   5.2   4.4 1023.9  +0.2 nowR                                           kn  AWS Port Ellen
2018 Apr 20 21 03111 / 25 05 72   7.6   6.1 1023.9  +0.1 nowR // //                                     kn  AWS Machrihanish
2018 Apr 20 21 03132 / 09 01 74   5.4   4.3 1024.5  +0.8 nowS                                           kn  AWS West Freugh
2018 Apr 20 21 03134 / 27 02 81   7.8   4.8 1023.6  +0.5 nowR                                           kn  AWS Glasgow Bishopton
2018 Apr 20 21 03136 / 25 06 80   9.8   6.3 1024.0  +0.5 R                                              kn  AWS Prestwick
2018 Apr 20 21 03144 / 22 05 84   9.2   4.9 1023.3  +1.1 nowS                                           kn  AWS Strathallan
2018 Apr 20 21 03148 / 27 13 //   4.9   3.9                   // //                                     kn  AWS Glen Ogle
2018 Apr 20 21 03153 / 22 04 69   7.7   5.8 1024.4  +0.5 nowS                                           kn  AWS Dundrennan
2018 Apr 20 21 03155 / 21 06 82   7.6   5.9 1024.2  +0.8 nowS // //                                     kn  AWS Drumalbin
2018 Apr 20 21 03158 / 27 09 84  10.0   5.1 1023.4  +1.1 R                                              kn  AWS Charterhall
2018 Apr 20 21 03162 / 23 06 72   8.8   6.8 1024.6  +1.0 R                                              kn  AWS Eskdalemuir
2018 Apr 20 21 03166 / 21 06 80   9.2   5.2 1023.5  +1.0 R                                              kn  AWS Edinburgh Gogarbank
2018 Apr 20 21 03171 / 27 06 84   9.7   4.9 1022.6  +0.9 nowS                                           kn  AWS Leuchars
2018 Apr 20 21 03204 1 28 02 80   9.5   5.7 1024.8  +0.2 R                                              kn      Ronaldsway
2018 Apr 20 21 03210 / 17 08 77   7.8   6.4 1025.0  +0.3 nowR // //                                     kn  AWS St Bees Head
2018 Apr 20 21 03212 / 14 02 81   8.8   5.4 1024.9  +0.7 nowR                                           kn  AWS Keswick
2018 Apr 20 21 03214 / 09 01 76   7.4   6.6 1025.0  +0.2 nowR                                           kn  AWS Walney Island
2018 Apr 20 21 03220 / // // 75   8.8   7.3 1024.7  +1.0 nowR // //                                     kn  AWS Carlisle
2018 Apr 20 21 03224 / 28 10 67   6.4   5.2 1024.7  +0.7 R                                              kn  AWS Spadeadam
2018 Apr 20 21 03225 / 26 03 80   7.0   3.3 1025.2  +0.7 R    // //                                     kn  AWS Shap Fell
2018 Apr 20 21 03226 / 16 05 81   7.3   5.2 1024.9  +0.9 nowR                                           kn  AWS Warcop Range
2018 Apr 20 21 03227 / 29 12 //   5.5   3.2                   // //                                     kn  AWS Great Dun Fell
2018 Apr 20 21 03316 / 20 01 81   7.1   5.3 1025.3  +0.3 R                                              kn  AWS Crosby
2018 Apr 20 21 03318 / 21 04 //   8.2   6.9                   // //                                     kn  AWS Blackpool
2018 Apr 20 21 03351 / 32 02 80   9.1   5.1 1025.3  +0.6 R                                              kn  AWS Rostherne
2018 Apr 20 21 03230 / 33 02 81   7.6   5.3 1024.5  +1.1 R    // //                                     kn  AWS Redesdale
2018 Apr 20 21 03238 / 28 03 73   8.4   5.9 1024.1  +1.1 R                                              kn  AWS Albermarle
2018 Apr 20 21 03240 / 23 08 80   9.6   7.3 1023.9  +1.2 nowS                                           kn  AWS Boulmer
2018 Apr 20 21 03257 / 26 06 84   8.9   4.9 1024.6  +0.9 R                                              kn  AWS Leeming
2018 Apr 20 21 03265 / 28 07 84  11.8   4.8 1024.6  +0.9 nowS                                           kn  AWS Topcliffe
2018 Apr 20 21 03266 / 28 04 75  11.1   4.7 1024.5  +0.9 nowS // //                                     kn  AWS Linton-on-Ouse
2018 Apr 20 21 03275 / 28 05 84  10.1   5.3 1024.2  +1.4 nowS                                           kn  AWS Loftus
2018 Apr 20 21 03281 / 31 02 //   9.3   3.7                   // //                                     kn  AWS Fylingdales
2018 Apr 20 21 03292 / // // //   9.2   7.0 1024.0  +0.9 R    // //                                     kn  AWS Bridlington
2018 Apr 20 21 03344 / 30 04 83   7.5   4.0 1025.3  +0.4 R                                              kn  AWS Bingley
2018 Apr 20 21 03346 / 28 09 //   8.8   4.1                   // //                                     kn  AWS Emley Moor No.2
2018 Apr 20 21 03373 / 34 07 81  11.8   6.5 1024.2  +1.0 nowS // //                                     kn  AWS Scampton
2018 Apr 20 21 03377 0 34 08 80  14.6   4.2 1024.3  +1.0 nowS                                           kn      Waddington
2018 Apr 20 21 03379 / 34 07 80  13.9   6.5 1024.3  +1.1 nowS // //                                     kn  AWS Cranwell
2018 Apr 20 21 03382 / 23 04 82  10.2   5.1 1024.1  +1.3 nowS                                           kn  AWS Leconfield
2018 Apr 20 21 03385 / 17 04 58   9.2   8.0 1024.3  +1.0 nowS // //                                     kn  AWS Donna Nook
2018 Apr 20 21 03391 1 07 04 70  12.6   9.5 1024.1  +1.2 nowS                                           kn      Coningsby
2018 Apr 20 21 03392 / 06 05 60   9.7   8.4 1024.0  +0.9 nowS // //                                     kn  AWS Wainfleet
2018 Apr 20 21 03302 / 16 03 77   8.5   7.6 1025.1  +0.1 R                                              kn  AWS Valley
2018 Apr 20 21 03301 / 23 01 74   7.3   5.4 1025.3  +0.2 R    // //                                     kn  AWS Raf Mona
2018 Apr 20 21 03305 / 21 01 84   6.8   5.2 1026.2  +0.6 R                                              kn  AWS Capel Curig
2018 Apr 20 21 03313 / 20 05 80   9.0   5.8 1025.5  +0.1 R    // //                                     kn  AWS Rhyl
2018 Apr 20 21 03321 / 22 02 80   8.3   6.0 1025.5  +0.4 R                                              kn  AWS Hawarden
2018 Apr 20 21 03405 / 36 02 84   9.1   4.6 1025.9  +0.1 R    // //                                     kn  AWS Aberdaron
2018 Apr 20 21 03409 / 03 01 //   7.6   5.3 1025.9  +0.9 R    // //                                     kn  AWS Bala
2018 Apr 20 21 03410 / 35 03 83   8.1   6.0 1025.5  +0.7 R    // //                                     kn  AWS Lake Vrynwy
2018 Apr 20 21 03502 / 06 04 82   9.8   5.0 1025.2  -0.0 nowR                                           kn  AWS Aberporth
2018 Apr 20 21 03503 / 00 00 70   6.1   5.3 1025.3  +0.2 nowR 20 //                                     kn  AWS Trawscoed
2018 Apr 20 21 03507 / 02 02 84   6.2   2.6 1025.5  +0.6 nowR                                           kn  AWS Sennybridge
2018 Apr 20 21 03604 / 34 07 81   9.0   6.6 1024.7  +0.0 S    // //                                     kn  AWS Milford Haven
2018 Apr 20 21 03605 / 02 08 82  11.3   6.4 1024.3  +0.3 R    // //                                     kn  AWS Pembrey Sands
2018 Apr 20 21 03609 / 34 07 //   8.1   8.0 1024.6  -0.0 nowR // //                                     kn  AWS Mumbles
2018 Apr 20 21 03716 / 31 03 61   7.8   7.3 1024.0  +0.2 nowR                                           kn  AWS St Athan
2018 Apr 20 21 03330 / 02 07 84   8.1   4.0 1025.6  +0.6 nowS                                           kn  AWS Leek Thorncliffe
2018 Apr 20 21 03354 / 35 04 88  12.9   4.0 1024.6  +0.8 nowS                                           kn  AWS Nottingham Wea Cen
2018 Apr 20 21 03414 / 35 05 80  10.5   5.4 1025.1  +0.8 nowS                                           kn  AWS Shawbury
2018 Apr 20 21 03520 / 02 06 74  13.0   7.3 1024.3  +1.0 nowR // //                                     kn  AWS Shobdon
2018 Apr 20 21 03522 / 04 06 72  15.0   8.4 1024.3  +0.8 nowR                                           kn  AWS Hereford Credenhill
2018 Apr 20 21 03529 / 04 02 70  12.9   8.8 1024.4  +0.7 nowR                                           kn  AWS Pershore
2018 Apr 20 21 03535 / 35 03 82  12.2   7.2 1024.2  +0.6 nowR                                           kn  AWS Coleshill
2018 Apr 20 21 03544 / 02 03 68  11.7   8.6 1024.1  +0.5 R                                              kn  AWS Church Lawford
2018 Apr 20 21 03647 / 03 06 80  14.5   8.4 1023.4  +0.3 R    // //                                     kn  AWS Little Rissington
2018 Apr 20 21 03649 4 05 03 80  15.5   8.7 1023.5  +0.4 nowS                                           kn      Brize Norton
2018 Apr 20 21 03658 / 06 02 60  13.1  10.9 1023.4  +0.4 nowS // //                                     kn  AWS Benson
2018 Apr 20 21 03660 / 03 04 70  15.5   9.2 1023.6  +0.4 R                                              kn  AWS High Wycombe
2018 Apr 20 21 03462 / 35 05 78  14.5   9.2 1023.5  +0.9 nowS                                           kn  AWS Wittering
2018 Apr 20 21 03469 / 05 05 56  10.0   8.8 1023.9  +0.9 nowS 04 //                                     kn  AWS Holbeach
2018 Apr 20 21 03482 / 07 05 66  13.8   9.9 1023.8  +0.9 R                                              kn  AWS Marham
2018 Apr 20 21 03488 / 09 07 63   9.6   8.2 1024.1  +0.7 R                                              kn  AWS Weybourne
2018 Apr 20 21 03560 / 33 05 82  15.7   9.7 1023.7  +0.6 nowS                                           kn  AWS Bedford
2018 Apr 20 21 03590 / 16 04 62  11.9   9.1 1024.0  +1.2 nowS                                           kn  AWS Wattisham
2018 Apr 20 21 03684 / 13 04 61  11.8   9.6 1024.0  +1.6 nowS                                           kn  AWS Andrewsfield
2018 Apr 20 21 03693 / 03 04 48  10.1   8.9 1024.0  +1.3 nowS 04 //                                     kn  AWS Shoeburyness
2018 Apr 20 21 03707 / 27 01 02   7.4   7.1 1024.8  +0.2 R    51 //                                     kn  AWS Chivenor
2018 Apr 20 21 03628 / 26 03 60  12.0   8.7 1023.8  +0.4 nowR                                           kn  AWS Filton
2018 Apr 20 21 03710 / 36 08 84  10.3   5.0 1024.4  +0.3 nowS // //                                     kn  AWS Liscombe
2018 Apr 20 21 03803 / 01 12 79   8.9   8.4 1024.5  -0.1 F                                              kn  AWS Scilly St Marys
2018 Apr 20 21 03808 / 03 08 03   7.7   7.7 1024.6  -0.1 F    32 //                                     kn  AWS Camborne
2018 Apr 20 21 03809 / 01 11 83   9.9   2.7 1023.9  -0.0 nowR // //                                     kn  AWS Culdrose RNAS
2018 Apr 20 21 03823 / 34 09 84   8.8   3.9 1024.3  +0.2 nowR                                           kn  AWS Cardinham
2018 Apr 20 21 03827 / 32 04 83  13.1   7.8 1023.8  +0.6 nowR                                           kn  AWS Plymouth
2018 Apr 20 21 03840 / 04 03 84  11.8   6.9 1024.1  +0.4 R                                              kn  AWS Dunkeswell
2018 Apr 20 21 03853 / 03 03 80  10.6   9.1 1024.3  +0.9 R                                              kn  AWS Yeovilton
2018 Apr 20 21 03672 0 05 06 70  18.5  10.3 1023.3  +1.0 nowS                                           kn      Northolt
2018 Apr 20 21 03740 / 11 02 //  14.7   8.9 1023.6  +0.4 R    // //                                     kn  AWS Lyneham
2018 Apr 20 21 03743 / 35 04 82  16.3   9.1 1023.5  +0.6 R    // //                                     kn  AWS Larkhill
2018 Apr 20 21 03746 / 34 05 84  15.6   9.3 1023.5  +0.6 R                                              kn  AWS Boscombe Down
2018 Apr 20 21 03749 / 31 02 70  16.6  10.6 1023.3  +0.7 R    // //                                     kn  AWS Middle Wallop
2018 Apr 20 21 03761 / 01 02 71  16.7  10.8 1023.3  +0.8 R                                              kn  AWS Odiham
2018 Apr 20 21 03768 / 35 02 75  17.4  10.1 1023.1  +0.9 R    // //                                     kn  AWS South Farnborough
2018 Apr 20 21 03769 / 30 03 83  17.6  11.5 1022.5  +0.6 nowS                                           kn  AWS Charlwood
2018 Apr 20 21 03770 / // // //  18.1  11.1                   // //                                     kn  AWS St James Park
2018 Apr 20 21 03772 / 04 05 66  18.7  10.8 1023.3  +1.0 R                                              kn  AWS Heathrow
2018 Apr 20 21 03781 / 05 06 56  15.4  11.3 1023.4  +1.0 nowR 04 //                                     kn  AWS Kenley
2018 Apr 20 21 03784 / 05 07 //  12.8   9.7 1023.7  +1.9 nowS // //                                     kn  AWS Gravesend
2018 Apr 20 21 03796 / 04 13 //  11.0   8.2 1023.7  +0.9 R    // //                                     kn  AWS Langdon Bay
2018 Apr 20 21 03797 / 07 03 50   9.9   7.5 1023.8  +1.1 nowS 23 //                                     kn  AWS Manston
2018 Apr 20 21 03857 / 34 08 68  14.9   9.9 1023.3  +0.4 nowR                                           kn  AWS Isle of Portland
2018 Apr 20 21 03862 / 29 04 64  13.4  11.3 1023.1  +0.9 R                                              kn  AWS Bournemouth Hurn
2018 Apr 20 21 03866 / 31 08 //  16.3   9.7 1022.6  +0.2 R    // //                                     kn  AWS St Catherines Point
2018 Apr 20 21 03872 / 07 01 68  12.1  10.3 1022.8  +0.6 R                                              kn  AWS Thorney Island
2018 Apr 20 21 03876 / 19 01 //  10.3   8.9 1022.7  +0.4 nowS // //                                     kn  AWS Shoreham
2018 Apr 20 21 03882 / 36 02 68  15.3  10.7 1022.7  +0.5 nowS                                           kn  AWS Herstmonceux
2018 Apr 20 21 03894 1 08 05 80  13.4   9.6 1022.7  +0.1 nowR                                           kn      Guernsey Airport
2018 Apr 20 21 03895 / 08 08 66  15.6   9.4 1022.4  +0.4 R                                              kn  AWS Jersey Airport
2018 Apr 20 21 03901 / 34 05 83   9.2   5.4 1023.7  +0.3 R                                              kn  AWS Thomastown
2018 Apr 20 21 03904 / 26 03 84   7.6   4.9 1024.1  +0.3 nowR                                           kn  AWS Castlederg
2018 Apr 20 21 03907 / 23 01 74   5.4   3.4 1024.0  +0.4 nowR                                           kn  AWS Magilligan
2018 Apr 20 21 03911 / 33 02 84   8.4   5.3 1024.4  +0.3 nowR                                           kn  AWS Lough Fea
2018 Apr 20 21 03915 / 07 05 72  10.3   6.7 1023.7  +0.6 nowR                                           kn  AWS Port Glenone
2018 Apr 20 21 03916 / 22 02 80   6.9   5.5 1024.7  +0.2 nowR                                           kn  AWS Ballypatrick Forest
2018 Apr 20 21 03917 / 07 05 78   9.7   6.4 1024.2  +0.6 nowR                                           kn  AWS Aldergrove
2018 Apr 20 21 03923 / 29 03 76   9.3   4.6 1024.0  +0.6 nowR                                           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