Decoded British Isles SYNOP weather reports

Weather data for 2018May20-15Z 
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 May 20 15 03002 / 18 16 63  12.2   8.4 1014.1  -0.1 nowR                                           kn  AWS Baltasound
2018 May 20 15 03005 / 18 19 60  10.9   8.2 1014.2  +0.0 S    04 //                                     kn  AWS Lerwick
2018 May 20 15 03008 7 17 18 60  10.5   8.0 1014.5  +0.0 S                                              kn      Fair Isle
2018 May 20 15 03010 / 24 21 //  11.7   9.3 1012.5  +0.3 nowS // //                              28 WW  kn  AWS Sule Skerry
2018 May 20 15 03017 / 18 17 67  15.3   9.8 1013.3  -0.1 nowS                                           kn  AWS Kirkwall
2018 May 20 15 03023 / 21 20 25  11.5  11.1 1013.0  +1.3 R    81 //                              28 WW  kn  AWS South Uist Range
2018 May 20 15 03026 / 21 18 50  11.8  11.3 1012.4  +0.9 nowS 23 //                              28 WW  kn  AWS Stornoway
2018 May 20 15 03031 / 22 10 74  16.4  11.4 1014.0  +1.0 nowR                                           kn  AWS Loch Glascarnoch
2018 May 20 15 03034 / 20 20 82  14.5  10.6 1013.9  +0.9 nowS                                    31 WW  kn  AWS Aultbea
2018 May 20 15 03039 / 19 23 //   8.2   8.2                   // //                                     kn  AWS Bealach No Ba
2018 May 20 15 03044 / 21 07 84  17.3  10.6 1013.1  +1.1 nowR                                           kn  AWS Altnaharra
2018 May 20 15 03047 / 19 13 74  13.1  10.1 1016.6  +0.4 nowS 23 //                              26 WW  kn  AWS Tulloch Bridge
2018 May 20 15 03062 / 22 14 82  17.3  11.3 1014.1  +0.7 nowR                                           kn  AWS Tain Range
2018 May 20 15 03063 / 21 11 82  15.7   9.5 1014.3  -0.3 nowR                                    24 10m kn  AWS Aviemore
2018 May 20 15 03065 / 19 44 //   6.3   6.3                   // //                                     kn  AWS Cairngorm
2018 May 20 15 03066 / 21 14 83  18.1  10.6 1014.5  +0.4 nowR                                    26 WW  kn  AWS Kinloss
2018 May 20 15 03068 7 23 18 83  19.9   9.9 1014.6  +0.2 nowR                                           kn      Lossiemouth
2018 May 20 15 03072 / 19 29 //   7.9   6.4                   // //                                     kn  AWS Cairnwell
2018 May 20 15 03075 / 17 05 79  14.4   9.7 1014.0  +0.4 nowR                                           kn  AWS Wick
2018 May 20 15 03080 / 26 04 80  17.5   9.8 1016.2  +0.1 R                                              kn  AWS Aboyne
2018 May 20 15 03088 / 19 17 66  10.6   8.6 1017.8  -0.3 F                                              kn  AWS Inverbervie
2018 May 20 15 03091 / 20 12 83  17.3   8.3 1017.2  +0.1 nowR                                    26 WW  kn  AWS Aberdeen Dyce
2018 May 20 15 03100 / 18 12 30  10.8  10.3 1014.8  +0.8 R    23 //                                     kn  AWS Tiree
2018 May 20 15 03105 / 14 13 58  11.3  10.5 1016.2  +0.2 R    23 //                                     kn  AWS Port Ellen
2018 May 20 15 03111 / 09 10 63  10.9   9.6 1016.8  -0.1 nowF // //                                     kn  AWS Machrihanish
2018 May 20 15 03132 / 16 15 67  12.7   8.7 1018.8  -0.2 F                                              kn  AWS West Freugh
2018 May 20 15 03134 / 22 07 81  14.7   8.0 1017.7  +0.2 R    23 //                                     kn  AWS Glasgow Bishopton
2018 May 20 15 03136 / 18 19 80  16.0   6.2 1017.7  +0.0 nowF                                           kn  AWS Prestwick
2018 May 20 15 03144 / 21 08 83  17.1   8.4 1017.7  -0.2 nowF                                           kn  AWS Strathallan
2018 May 20 15 03148 / 16 23 //  10.0   9.0                   // //                                     kn  AWS Glen Ogle
2018 May 20 15 03153 / 18 16 79  13.8   8.2 1019.2  -0.5 nowF                                           kn  AWS Dundrennan
2018 May 20 15 03155 / 20 16 83  14.9   7.9 1018.4  +0.2 nowF // //                              29 WW  kn  AWS Drumalbin
2018 May 20 15 03158 / 22 14 82  17.1   7.5 1018.8  -0.5 F                                              kn  AWS Charterhall
2018 May 20 15 03162 / 21 15 69  13.9   6.0 1019.9  -0.4 nowF 81 //                                     kn  AWS Eskdalemuir
2018 May 20 15 03166 / 21 13 80  19.1   7.8 1018.1  -0.3 F                                              kn  AWS Edinburgh Gogarbank
2018 May 20 15 03171 / 21 12 80  17.3   8.4 1018.0  -0.5 F                                              kn  AWS Leuchars
2018 May 20 15 03204 8 20 14 70  13.2   6.7 1019.4  -0.8 F                                              kn      Ronaldsway
2018 May 20 15 03210 / 18 09 80  13.9   9.4 1020.4  -0.5 F    // //                                     kn  AWS St Bees Head
2018 May 20 15 03212 / 23 04 84  18.7   6.6 1019.8  -1.0 nowS                                           kn  AWS Keswick
2018 May 20 15 03214 / 30 05 76  16.8   6.7 1020.1  -1.0 nowF                                           kn  AWS Walney Island
2018 May 20 15 03220 / // // 84  17.7   8.0 1019.8  -0.6 F    // //                                     kn  AWS Carlisle
2018 May 20 15 03224 / 23 14 81  17.9   6.1 1019.0  -0.7 F                                              kn  AWS Spadeadam
2018 May 20 15 03225 / 21 11 //  17.9   7.9 1019.6  -1.0 nowF // //                                     kn  AWS Shap Fell
2018 May 20 15 03226 / 24 08 81  18.0   8.5 1019.5  -0.9 nowF                                           kn  AWS Warcop Range
2018 May 20 15 03227 / 23 19 //  11.5   4.4                   // //                                     kn  AWS Great Dun Fell
2018 May 20 15 03316 / 32 10 81  16.5  10.6 1020.0  -0.7 nowF                                           kn  AWS Crosby
2018 May 20 15 03318 / 30 08 //  16.6   8.4                   // //                                     kn  AWS Blackpool
2018 May 20 15 03351 / 20 05 76  22.2  10.0 1019.6  -1.5 F                                              kn  AWS Rostherne
2018 May 20 15 03230 / 20 10 84  19.2   7.3 1019.0  -0.8 nowF // //                                     kn  AWS Redesdale
2018 May 20 15 03238 / 24 04 80  19.7   9.4 1018.7  -1.1 F                                              kn  AWS Albermarle
2018 May 20 15 03240 / 15 11 58  12.0  10.1 1020.0  -0.7 nowF 04 //                                     kn  AWS Boulmer
2018 May 20 15 03257 / 16 10 66  22.3   8.6 1019.5  -1.5 F                                              kn  AWS Leeming
2018 May 20 15 03265 / 16 10 64  22.4  11.9 1019.7  -1.5 nowF                                           kn  AWS Topcliffe
2018 May 20 15 03266 / 18 09 71  22.9   7.9 1019.7  -1.6 F    // //                                     kn  AWS Linton-on-Ouse
2018 May 20 15 03275 / 17 09 80  20.3  10.9 1019.7  -1.2 F                                              kn  AWS Loftus
2018 May 20 15 03281 / 15 11 //  18.7  11.0                   // //                                     kn  AWS Fylingdales
2018 May 20 15 03292 / 12 08 //  10.6   9.1 1021.9  -1.3 F    // //                                     kn  AWS Bridlington
2018 May 20 15 03344 / 20 05 82  21.8   9.1 1019.0  -1.3 F                                              kn  AWS Bingley
2018 May 20 15 03346 / 17 08 //  21.0   8.7                   // //                                     kn  AWS Emley Moor No.2
2018 May 20 15 03373 / 15 07 80  20.8   8.3 1020.6  -1.5 F    // //                                     kn  AWS Scampton
2018 May 20 15 03377 1 14 09 80  20.6   8.5 1020.8  -1.5 F                                              kn      Waddington
2018 May 20 15 03379 1 17 08 81  20.5   8.6 1020.9  -1.4 F                                              kn      Cranwell
2018 May 20 15 03382 / 12 09 69  19.8  11.2 1020.8  -1.2 F    // //                                     kn  AWS Leconfield
2018 May 20 15 03385 / 11 14 71  14.5   9.7 1022.0  -1.2 nowS // //                                     kn  AWS Donna Nook
2018 May 20 15 03391 1 10 09 82  20.3  10.4 1021.1  -1.4 F                                              kn      Coningsby
2018 May 20 15 03392 / 09 13 75  15.2  10.5 1021.9  -1.2 F    // //                                     kn  AWS Wainfleet
2018 May 20 15 03302 / 20 12 74  12.7   7.6 1020.2  -0.6 nowF 81 //                                     kn  AWS Valley
2018 May 20 15 03301 / 22 11 74  13.8   7.7 1020.3  -0.7 nowF // //                                     kn  AWS Raf Mona
2018 May 20 15 03305 / 25 16 81  16.2   6.5 1020.3  -0.9 nowF                                           kn  AWS Capel Curig
2018 May 20 15 03313 / 36 05 84  18.7   8.4 1020.1  -0.5 nowF // //                                     kn  AWS Rhyl
2018 May 20 15 03321 / 18 10 82  21.6   7.3 1019.6  -1.3 nowF                                           kn  AWS Hawarden
2018 May 20 15 03405 / 21 09 82  12.0   7.2 1021.1  -0.8 nowF // //                                     kn  AWS Aberdaron
2018 May 20 15 03409 / 23 11 //  18.9   7.7 1019.4  -0.8 nowF // //                                     kn  AWS Bala
2018 May 20 15 03410 / 16 05 84  18.5   8.4 1019.0  -1.0 F    // //                                     kn  AWS Lake Vrynwy
2018 May 20 15 03502 / 20 10 81  17.7   3.8 1020.0  -0.7 F                                              kn  AWS Aberporth
2018 May 20 15 03503 / 34 07 81  17.7   8.2 1020.0  -0.8 nowS                                           kn  AWS Trawscoed
2018 May 20 15 03507 / 20 03 84  20.8   9.1 1019.2  -1.3 nowF                                           kn  AWS Sennybridge
2018 May 20 15 03604 / 19 05 81  16.7   9.6 1020.4  -1.1 F    // //                                     kn  AWS Milford Haven
2018 May 20 15 03605 / 26 04 76  15.6   8.9 1020.5  -1.3 nowF // //                                     kn  AWS Pembrey Sands
2018 May 20 15 03609 / 13 03 //  18.3   8.0 1020.8  -1.5 nowF // //                                     kn  AWS Mumbles
2018 May 20 15 03716 / 13 06 80  20.3   8.4 1019.7  -1.8 F                                              kn  AWS St Athan
2018 May 20 15 03330 / 20 07 76  19.9   9.2 1019.7  -1.3 nowF                                           kn  AWS Leek Thorncliffe
2018 May 20 15 03354 / 15 06 85  22.3   7.9 1020.2  -1.4 F                                              kn  AWS Nottingham Wea Cen
2018 May 20 15 03414 / 19 08 72  21.6   8.9 1019.5  -1.4 F                                              kn  AWS Shawbury
2018 May 20 15 03520 / 17 05 66  21.5   9.6 1019.6  -1.6 F    // //                                     kn  AWS Shobdon
2018 May 20 15 03522 / 14 02 71  22.4   9.4 1020.0  -1.4 nowF                                           kn  AWS Hereford Credenhill
2018 May 20 15 03529 / 15 06 84  22.1   8.4 1020.2  -1.7 F                                              kn  AWS Pershore
2018 May 20 15 03535 / 13 04 79  22.6   9.4 1019.7  -1.5 F                                              kn  AWS Coleshill
2018 May 20 15 03544 / 12 05 75  21.8   9.0 1020.1  -1.5 nowF                                           kn  AWS Church Lawford
2018 May 20 15 03647 / 16 05 82  20.3   7.6 1019.5  -1.6 nowF // //                                     kn  AWS Little Rissington
2018 May 20 15 03649 1 12 04 83  22.0   3.8 1019.9  -1.7 nowF                                           kn      Brize Norton
2018 May 20 15 03658 / 08 04 78  21.2   7.6 1020.1  -1.6 nowF // //                                     kn  AWS Benson
2018 May 20 15 03660 / 09 06 76  19.4   7.4 1020.3  -1.5 nowF                                           kn  AWS High Wycombe
2018 May 20 15 03462 / 10 04 74  20.4   9.6 1020.4  -1.5 nowF                                           kn  AWS Wittering
2018 May 20 15 03469 / 07 14 72  17.3  12.4 1021.5  -1.3 F                                              kn  AWS Holbeach
2018 May 20 15 03482 / 08 04 80  20.2  12.0 1021.3  -1.7 F                                              kn  AWS Marham
2018 May 20 15 03488 / 08 16 80  12.6   9.2 1022.2  -1.4 nowS                                           kn  AWS Weybourne
2018 May 20 15 03560 / 18 03 71  20.2   7.1 1020.8  -1.5 nowF                                           kn  AWS Bedford
2018 May 20 15 03590 / 13 07 81  18.2   8.9 1021.4  -1.6 F                                              kn  AWS Wattisham
2018 May 20 15 03684 / 13 06 80  18.2   9.7 1021.2  -1.6 F                                              kn  AWS Andrewsfield
2018 May 20 15 03693 / 11 07 58  12.6  10.4 1022.2  -1.4 nowF 04 //                                     kn  AWS Shoeburyness
2018 May 20 15 03707 / 24 09 84  19.4  12.0 1020.0  -1.1 F                                              kn  AWS Chivenor
2018 May 20 15 03628 / 28 05 80  21.5   9.8 1019.7  -1.9 nowF                                           kn  AWS Filton
2018 May 20 15 03710 / 18 08 77  18.7  10.0 1019.7  -1.2 F    // //                                     kn  AWS Liscombe
2018 May 20 15 03803 / 13 07 77  12.9  10.6 1020.2  -0.9 nowF                                           kn  AWS Scilly St Marys
2018 May 20 15 03808 7 12 09 62  15.1  11.0 1020.1  -0.9 F                                              kn      Camborne
2018 May 20 15 03809 / 09 15 36  12.3  10.1 1020.3  -1.1 F    // //                                     kn  AWS Culdrose RNAS
2018 May 20 15 03823 / 15 11 66  16.5  11.2 1019.8  -1.2 nowF                                           kn  AWS Cardinham
2018 May 20 15 03827 / 07 06 70  18.4  11.6 1020.3  -1.5 nowF                                           kn  AWS Plymouth
2018 May 20 15 03840 / 15 06 62  17.0  11.7 1020.3  -1.5 nowF 04 //                                     kn  AWS Dunkeswell
2018 May 20 15 03853 / 13 06 64  20.6  11.2 1020.0  -1.7 nowF                                           kn  AWS Yeovilton
2018 May 20 15 03672 1 14 06 81  21.2   7.5 1020.5  -1.8 nowF                                           kn      Northolt
2018 May 20 15 03740 / 12 05 //  21.3  10.1 1019.8  -1.7 nowF // //                                     kn  AWS Lyneham
2018 May 20 15 03743 / 08 06 80  20.2   9.1 1020.0  -1.7 nowF // //                                     kn  AWS Larkhill
2018 May 20 15 03746 1 15 07 80  20.3   7.4 1020.1  -1.7 F                                              kn      Boscombe Down
2018 May 20 15 03749 / 14 05 76  21.5   8.7 1020.1  -1.9 nowF // //                                     kn  AWS Middle Wallop
2018 May 20 15 03769 / 08 06 81  20.0  10.8 1020.5  -1.9 nowF                                           kn  AWS Charlwood
2018 May 20 15 03770 / // // //  20.0   7.9                   // //                                     kn  AWS St James Park
2018 May 20 15 03772 / 13 06 81  21.5   8.3 1020.6  -1.9 nowF                                           kn  AWS Heathrow
2018 May 20 15 03781 / 08 04 79  18.4   8.8 1020.7  -1.6 nowF                                           kn  AWS Kenley
2018 May 20 15 03784 / 07 08 //  18.7  11.4 1021.3  -1.6 nowF // //                                     kn  AWS Gravesend
2018 May 20 15 03796 / 04 12 //  13.9  10.1 1021.5  -1.5 F    // //                                     kn  AWS Langdon Bay
2018 May 20 15 03797 / 03 07 57  13.5  10.6 1022.0  -1.4 nowF 81 //                                     kn  AWS Manston
2018 May 20 15 03857 / 11 13 56  12.4  10.7 1021.0  -1.8 nowF 04 //                                     kn  AWS Isle of Portland
2018 May 20 15 03862 / 17 07 61  15.1  10.5 1020.7  -1.7 F                                              kn  AWS Bournemouth Hurn
2018 May 20 15 03866 / 10 12 //  13.4  10.9 1020.8  -1.9 nowF // //                                     kn  AWS St Catherines Point
2018 May 20 15 03872 / 22 09 59  14.3  11.3 1021.0  -1.8 F    04 //                                     kn  AWS Thorney Island
2018 May 20 15 03876 / 15 04 //  14.9  10.4 1020.9  -2.1 nowF // //                                     kn  AWS Shoreham
2018 May 20 15 03882 / 12 04 72  19.7  10.4 1020.6  -2.1 F                                              kn  AWS Herstmonceux
2018 May 20 15 03894 1 07 09 62  15.2  11.0 1019.6  -1.9 F                                              kn      Guernsey Airport
2018 May 20 15 03895 / 02 07 65  17.6  11.2 1019.0  -2.1 nowF                                           kn  AWS Jersey Airport
2018 May 20 15 03901 / 17 10 79  15.5  13.2 1014.9  -0.2 F                                              kn  AWS Thomastown
2018 May 20 15 03904 / 13 05 80  15.2  12.9 1015.2  +0.2 nowS 23 //                                     kn  AWS Castlederg
2018 May 20 15 03907 / 20 13 81  16.1  12.8 1015.1  +0.1 nowS                                           kn  AWS Magilligan
2018 May 20 15 03911 / 17 11 //  13.8  11.8 1016.0  -0.2 nowF 81 //                                     kn  AWS Lough Fea
2018 May 20 15 03915 / 16 09 61  14.9  11.7 1015.9  +0.0 S                                              kn  AWS Port Glenone
2018 May 20 15 03916 / 22 12 82  16.1  11.9 1015.7  +0.1 nowF                                    27 WW  kn  AWS Ballypatrick Forest
2018 May 20 15 03917 / 16 13 80  15.5  10.9 1016.3  -0.4 nowF                                           kn  AWS Aldergrove
2018 May 20 15 03923 / 18 10 67  14.8  11.7 1016.1  -0.1 nowF                                           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