Decoded British Isles SYNOP weather reports

Weather data for 2017May23-21Z 
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 May 23 21 03002 / 25 12 64  10.3   9.2 1014.8  +1.0 nowR                                           kn  AWS Baltasound
2017 May 23 21 03005 7 25 12 60   9.3   8.7 1015.5  +1.2 R                                              kn      Lerwick
2017 May 23 21 03008 7 25 08 59   9.6   9.0 1016.5  +1.1 R    10 22                                     kn      Fair Isle
2017 May 23 21 03010 / 27 09 //  10.0   9.7 1016.5  +1.0 nowR // //                                     kn  AWS Sule Skerry
2017 May 23 21 03017 / 27 10 68  10.9   9.2 1016.9  +1.0 R                                              kn  AWS Kirkwall
2017 May 23 21 03023 / 26 15 61  11.8  10.9 1017.4  +2.1 nowR                                           kn  AWS South Uist Range
2017 May 23 21 03026 / 19 07 44  11.1  10.8 1015.7  +0.0 S    23 //                                     kn  AWS Stornoway
2017 May 23 21 03031 / 23 07 81  11.2   9.4 1017.3  +0.3 nowR                                           kn  AWS Loch Glascarnoch
2017 May 23 21 03034 / 20 15 50  11.6  10.4 1017.6  +1.1 nowR 57 //                                     kn  AWS Aultbea
2017 May 23 21 03039 / 23 23 //   7.7   7.7                   // //                                     kn  AWS Bealach No Ba
2017 May 23 21 03041 / 24 23 //   7.1   7.0                   // //                                     kn  AWS Aonach Moor
2017 May 23 21 03047 / 25 05 58  10.4  10.1 1019.9  +0.9 R    51 //                                     kn  AWS Tulloch Bridge
2017 May 23 21 03062 / 21 07 66  11.9   9.9 1017.2  +0.5 R    58 //                                     kn  AWS Tain Range
2017 May 23 21 03063 / 23 06 89  10.8   8.5 1018.3  +1.1 nowR                                           kn  AWS Aviemore
2017 May 23 21 03065 / 25 36 //   6.6   6.6                   // //                                     kn  AWS Cairngorm
2017 May 23 21 03066 / 24 09 84  13.2   9.0 1017.5  +0.6 nowR                                           kn  AWS Kinloss
2017 May 23 21 03068 8 26 11 84  13.2   8.1 1017.6  +0.6 nowR 02 62                                     kn      Lossiemouth
2017 May 23 21 03072 / 24 18 //   6.1   6.0                   // //                                     kn  AWS Cairnwell
2017 May 23 21 03075 / 12 05 65  10.8   9.6 1017.3  +0.9 nowR 23 //                                     kn  AWS Wick
2017 May 23 21 03080 / 30 07 82  12.8   8.9 1017.9  +0.5 nowR 23 //                                     kn  AWS Aboyne
2017 May 23 21 03088 / 26 11 83  11.3   9.4 1018.4  +0.6 R    23 //                                     kn  AWS Inverbervie
2017 May 23 21 03091 / 13 02 82  12.8   9.3 1018.0  +0.7 R                                              kn  AWS Aberdeen Dyce
2017 May 23 21 03100 / 25 12 48  11.8  11.6 1019.5  +1.9 nowR 10 //                                     kn  AWS Tiree
2017 May 23 21 03105 / 26 10 50  11.9  11.6 1021.1  +1.5 nowR 10 //                                     kn  AWS Port Ellen
2017 May 23 21 03111 / 26 02 64  12.8  11.8 1021.0  +1.9 R    // //                                     kn  AWS Machrihanish
2017 May 23 21 03132 / 16 03 71  13.4  11.8 1021.4  +1.2 R                                              kn  AWS West Freugh
2017 May 23 21 03134 / 32 02 25  11.7  11.0 1020.3  +0.9 nowR 58 //                                     kn  AWS Glasgow Bishopton
2017 May 23 21 03136 / 25 08 63  12.9  11.6 1020.8  +1.4 nowR 23 //                                     kn  AWS Prestwick
2017 May 23 21 03144 / 24 08 84  11.2  10.3 1019.8  +0.1 nowS 23 //                                     kn  AWS Strathallan
2017 May 23 21 03148 / 24 05 //   8.1   8.1                   // //                                     kn  AWS Glen Ogle
2017 May 23 21 03153 / 22 04 72  13.2  11.9 1021.6  +0.9 R                                              kn  AWS Dundrennan
2017 May 23 21 03155 / 23 08 81  13.2  11.7 1020.6  +0.8 nowR // //                                     kn  AWS Drumalbin
2017 May 23 21 03166 / 24 10 76  14.1  11.4 1019.7  +0.3 R                                              kn  AWS Edinburgh Gogarbank
2017 May 23 21 03171 / 27 11 80  12.2  10.0 1019.4  +0.5 nowS 23 //                                     kn  AWS Leuchars
2017 May 23 21 03204 7 24 07 67  12.6  11.4 1023.0  +1.4 nowR                                           kn      Ronaldsway
2017 May 23 21 03210 / 19 13 71  12.7  11.7 1022.7  +1.0 R    // //                                     kn  AWS St Bees Head
2017 May 23 21 03212 / 05 02 84  14.9  10.9 1022.1  +0.8 nowS                                           kn  AWS Keswick
2017 May 23 21 03214 / 15 04 83  13.3  11.7 1023.0  +1.0 nowR                                           kn  AWS Walney Island
2017 May 23 21 03224 / 26 09 80  12.0   9.9 1021.3  +0.7 nowR                                           kn  AWS Spadeadam
2017 May 23 21 03225 / 17 11 83  13.2  10.0 1022.5  +0.9 nowR // //                                     kn  AWS Shap Fell
2017 May 23 21 03226 / 22 03 84  13.4   9.8 1022.3  +1.1 nowR                                           kn  AWS Warcop Range
2017 May 23 21 03227 / 22 14 //   8.4   7.0                   // //                                     kn  AWS Great Dun Fell
2017 May 23 21 03316 / 20 02 84  15.0  10.5 1023.4  +1.1 R                                              kn  AWS Crosby
2017 May 23 21 03318 / 21 04 //  14.3  11.6                   // //                                     kn  AWS Blackpool
2017 May 23 21 03351 / 18 01 84  13.3  11.1 1023.8  +1.6 nowR                                           kn  AWS Rostherne
2017 May 23 21 03230 / 36 02 28  12.3   8.5 1020.9  +0.5 nowS // //                                     kn  AWS Redesdale
2017 May 23 21 03238 / 28 06 83  13.1   8.6 1020.6  +0.4 R                                              kn  AWS Albermarle
2017 May 23 21 03240 / 20 04 83  13.4  10.2 1020.7  +1.0 nowS                                           kn  AWS Boulmer
2017 May 23 21 03257 6 22 08 86  15.8   6.9 1022.4  +1.6 nowR                                           kn      Leeming
2017 May 23 21 03265 / 25 07 84  16.5   7.5 1022.4  +1.7 R                                              kn  AWS Topcliffe
2017 May 23 21 03266 / 27 06 69  15.4   6.2 1022.6  +1.7 nowR // //                                     kn  AWS Linton-on-Ouse
2017 May 23 21 03275 / 31 06 83  14.8   7.8 1021.8  +1.7 R                                              kn  AWS Loftus
2017 May 23 21 03281 / 24 07 //  14.2   8.0                   // //                                     kn  AWS Fylingdales
2017 May 23 21 03292 / 27 07 //  16.1   8.4 1021.5  +1.3 nowR // //                                     kn  AWS Bridlington
2017 May 23 21 03344 / 23 04 81  12.8   9.4 1023.4  +1.5 nowR                                           kn  AWS Bingley
2017 May 23 21 03346 / 27 07 //  13.4   9.3                   // //                                     kn  AWS Emley Moor No.2
2017 May 23 21 03373 / 31 11 85  15.9   7.8 1022.6  +1.9 nowR // //                                     kn  AWS Scampton
2017 May 23 21 03377 2 32 09 82  17.0   9.0 1022.8  +1.9 nowR                                           kn      Waddington
2017 May 23 21 03379 / 30 08 83  17.3  10.8 1022.9  +1.8 nowR // //                                     kn  AWS Cranwell
2017 May 23 21 03382 / 27 05 83  15.3   7.2 1022.1  +1.8 R                                              kn  AWS Leconfield
2017 May 23 21 03385 / 27 05 71  16.3   8.8 1022.3  +2.0 nowR // //                                     kn  AWS Donna Nook
2017 May 23 21 03391 4 32 07 82  18.3  11.2 1022.5  +1.8 nowR                                           kn      Coningsby
2017 May 23 21 03392 / 27 06 72  15.1  12.8 1022.3  +1.6 nowR // //                                     kn  AWS Wainfleet
2017 May 23 21 03302 / 18 13 59  13.0  12.1 1024.1  +1.4 nowR 10 //                                     kn  AWS Valley
2017 May 23 21 03301 / 21 10 73  13.2  11.9 1024.3  +1.5 nowR // //                                     kn  AWS Raf Mona
2017 May 23 21 03305 / 28 15 84  13.4  11.2 1024.6  +1.3 nowS                                           kn  AWS Capel Curig
2017 May 23 21 03313 / 21 06 84  15.1  11.2 1024.0  +1.5 R    // //                                     kn  AWS Rhyl
2017 May 23 21 03321 / 25 04 83  15.1  11.4 1023.8  +1.6 nowR                                           kn  AWS Hawarden
2017 May 23 21 03405 / 17 06 50  11.8  11.8 1025.6  +1.5 R    // //                                     kn  AWS Aberdaron
2017 May 23 21 03409 / 25 05 //  14.2  11.5 1024.8  +1.8 nowR // //                                     kn  AWS Bala
2017 May 23 21 03410 / 26 08 84  11.8  10.3 1024.9  +1.7 nowR // //                                     kn  AWS Lake Vrynwy
2017 May 23 21 03502 / 25 10 68  13.7  12.4 1025.2  +1.4 nowR                                           kn  AWS Aberporth
2017 May 23 21 03503 / 32 03 59  13.6  12.8 1025.3  +1.5 nowR 10 //                                     kn  AWS Trawscoed
2017 May 23 21 03507 / 24 03 56  13.7  13.2 1025.4  +1.7 R    10 //                                     kn  AWS Sennybridge
2017 May 23 21 03605 / 21 07 45  13.6  13.3 1025.5  +1.3 R    // //                                     kn  AWS Pembrey Sands
2017 May 23 21 03609 / 24 13 //  13.2  13.2 1026.1  +1.2 R    // //                                     kn  AWS Mumbles
2017 May 23 21 03716 / 28 06 50  13.2  13.0 1025.6  +1.3 nowR 10 //                                     kn  AWS St Athan
2017 May 23 21 03330 / 36 03 84  13.0   8.8 1024.2  +1.8 nowR                                           kn  AWS Leek Thorncliffe
2017 May 23 21 03354 / 30 04 83  16.6   8.9 1023.5  +2.1 nowR                                           kn  AWS Nottingham Wea Cen
2017 May 23 21 03414 3 27 05 82  15.3  10.9 1024.0  +1.9 nowR                                           kn      Shawbury
2017 May 23 21 03520 / 29 01 78  13.5  10.8 1024.6  +2.1 nowR // //                                     kn  AWS Shobdon
2017 May 23 21 03522 / 28 03 73  15.6  13.1 1024.7  +2.0 nowR 20 //                                     kn  AWS Hereford Credenhill
2017 May 23 21 03529 / 24 06 68  16.5  14.3 1024.4  +1.8 nowR                                           kn  AWS Pershore
2017 May 23 21 03544 / 26 05 72  17.0  14.1 1023.4  +1.6 nowR                                           kn  AWS Church Lawford
2017 May 23 21 03647 / 21 05 75  13.3  12.1 1024.0  +1.5 nowR // //                                     kn  AWS Little Rissington
2017 May 23 21 03649 5 25 03 81  16.3  12.2 1024.1  +1.6 nowR                                           kn      Brize Norton
2017 May 23 21 03658 3 18 04 75  14.6  12.8 1024.1  +1.5 nowR                                           kn      Benson
2017 May 23 21 03660 / 27 02 83  15.0  12.8 1024.0  +1.2 R                                              kn  AWS High Wycombe
2017 May 23 21 03462 / 22 05 84  15.2  12.0 1022.5  +1.4 nowR                                           kn  AWS Wittering
2017 May 23 21 03469 / 25 05 84  16.0  12.8 1022.6  +1.5 nowR                                           kn  AWS Holbeach
2017 May 23 21 03482 4 24 04 75  15.0  11.7 1022.7  +1.3 R                                              kn      Marham
2017 May 23 21 03488 / 22 10 84  15.8  12.0 1022.0  +0.9 nowR                                           kn  AWS Weybourne
2017 May 23 21 03560 / 20 03 84  14.5  11.1 1023.3  +1.3 nowR                                           kn  AWS Bedford
2017 May 23 21 03590 / 25 06 83  14.0  11.6 1023.1  +1.3 nowR                                           kn  AWS Wattisham
2017 May 23 21 03684 / 25 04 72  15.6  13.6 1023.2  +1.3 R                                              kn  AWS Andrewsfield
2017 May 23 21 03693 / 27 04 83  16.1  13.4 1023.4  +1.1 nowR                                           kn  AWS Shoeburyness
2017 May 23 21 03707 / 28 06 38  13.7  13.4 1026.2  +1.5 nowR 10 //                                     kn  AWS Chivenor
2017 May 23 21 03628 / 25 11 59  13.8  12.8 1025.2  +1.7 nowR 04 //                                     kn  AWS Filton
2017 May 23 21 03710 / 28 05 40  12.2  12.2 1026.1  +1.3 nowR // //                                     kn  AWS Liscombe
2017 May 23 21 03803 / 29 04 56  13.8  13.3 1026.8  +1.2 nowR 10 //                                     kn  AWS Scilly St Marys
2017 May 23 21 03808 8 29 06 50  13.6  13.1 1026.6  +1.4 nowR 10 22                                     kn      Camborne
2017 May 23 21 03809 8 28 04 40  14.9  13.4 1026.5  +1.4 R    05 22                                     kn      Culdrose RNAS
2017 May 23 21 03823 / 25 05 05  13.0  12.9 1026.3  +1.4 R    34 //                                     kn  AWS Cardinham
2017 May 23 21 03827 / 29 08 82  15.6  13.0 1026.3  +1.5 nowR                                           kn  AWS Plymouth
2017 May 23 21 03840 / 28 04 75  14.0  12.5 1025.9  +1.5 R    04 //                                     kn  AWS Dunkeswell
2017 May 23 21 03853 7 29 06 58  14.8  13.4 1025.6  +1.5 nowR 58 65                                     kn      Yeovilton
2017 May 23 21 03672 6 26 07 84  17.5  13.6 1023.7  +1.2 R                                              kn      Northolt
2017 May 23 21 03740 / 26 08 //  14.8  12.6 1024.8  +1.6 nowR // //                                     kn  AWS Lyneham
2017 May 23 21 03743 / 25 04 //  14.3  12.8 1025.0  +1.6 R    // //                                     kn  AWS Larkhill
2017 May 23 21 03746 / 27 08 84  14.6  12.9 1025.0  +1.5 R                                              kn  AWS Boscombe Down
2017 May 23 21 03749 7 28 06 80  15.2  12.5 1024.9  +1.5 nowR                                           kn      Middle Wallop
2017 May 23 21 03761 1 26 08 82  16.1  13.0 1024.4  +1.3 nowR                                           kn      Odiham
2017 May 23 21 03768 / 24 05 81  14.7  12.3 1024.3  +1.3 nowR // //                                     kn  AWS South Farnborough
2017 May 23 21 03769 / 26 02 84  14.4  12.7 1024.1  +1.5 nowR                                           kn  AWS Charlwood
2017 May 23 21 03770 / // // //  17.9  13.7                   // //                                     kn  AWS St James Park
2017 May 23 21 03772 / 26 08 84  17.7  13.7 1023.8  +1.3 R                                              kn  AWS Heathrow
2017 May 23 21 03781 / 26 06 84  15.4  12.7 1024.1  +1.2 R                                              kn  AWS Kenley
2017 May 23 21 03784 / 23 03 //  14.6  11.0 1023.3  +1.0 nowR // //                                     kn  AWS Gravesend
2017 May 23 21 03796 / 28 07 //  14.7  14.0 1023.9  +1.1 R    // //                                     kn  AWS Langdon Bay
2017 May 23 21 03797 / 26 05 78  15.2  13.3 1023.7  +1.1 nowR                                           kn  AWS Manston
2017 May 23 21 03857 / 31 04 59  14.4  13.7 1025.5  +1.2 R    10 //                                     kn  AWS Isle of Portland
2017 May 23 21 03862 / 30 05 80  16.9  14.2 1024.9  +1.2 R                                              kn  AWS Bournemouth Hurn
2017 May 23 21 03866 / 28 06 //  13.8  13.3 1024.9  +1.0 nowR // //                                     kn  AWS St Catherines Point
2017 May 23 21 03872 / 27 04 62  15.2  13.7 1024.6  +1.2 nowR                                           kn  AWS Thorney Island
2017 May 23 21 03876 / 26 02 //  13.7  12.5 1024.5  +1.3 nowR // //                                     kn  AWS Shoreham
2017 May 23 21 03882 / 27 03 09  13.1  12.8 1024.5  +1.2 R    30 //                                     kn  AWS Herstmonceux
2017 May 23 21 03894 8 27 06 05  13.2  13.1 1026.4  +0.8 R    46 42                                     kn      Guernsey Airport
2017 May 23 21 03895 8 30 05 04  13.3  13.3 1026.3  +0.9 nowR 46 42                                     kn      Jersey Airport
2017 May 23 21 03901 / 27 06 75  15.5  13.9 1022.0  +2.0 nowR                                           kn  AWS Thomastown
2017 May 23 21 03904 / 25 11 74  14.5  13.3 1022.4  +1.9 nowR 23 //                                     kn  AWS Castlederg
2017 May 23 21 03907 / 24 13 73  15.1  13.6 1021.6  +2.2 nowR                                           kn  AWS Magilligan
2017 May 23 21 03911 / 27 07 71  14.9  13.3 1022.1  +2.0 nowR                                           kn  AWS Lough Fea
2017 May 23 21 03915 / 26 07 80  15.9  13.3 1021.5  +2.3 nowR                                           kn  AWS Port Glenone
2017 May 23 21 03916 / 30 09 68  14.7  13.7 1021.4  +1.9 R    23 //                                     kn  AWS Ballypatrick Forest
2017 May 23 21 03917 / 28 06 82  16.7  14.3 1021.8  +1.9 nowR                                           kn  AWS Aldergrove
2017 May 23 21 03923 / 24 08 75  15.3  13.6 1021.8  +1.5 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