Decoded British Isles SYNOP weather reports

Weather data for 2019May20-21Z 
Year Mon Da ZZ Site  N dd ff VV  temp  dewp   mslp  ptendency ww WW  Rain H  maxT  minT  Tg sss* GG GGh ffu
2019 May 20 21 03002 / 32 04 70  10.7   9.0 1015.4  +0.5 nowS                                           kn  AWS Baltasound
2019 May 20 21 03005 8 28 08 72   9.7   8.0 1015.3  +0.6 R                                              kn      Lerwick
2019 May 20 21 03008 4 15 01 62   9.5       1015.6  +0.6 nowS                                           kn      Fair Isle
2019 May 20 21 03017 / 14 02 22  10.2   9.3 1015.2  +0.9 R    04 //                                     kn  AWS Kirkwall
2019 May 20 21 03023 / 32 06 89   9.4   7.1 1017.4  +0.8 R                                              kn  AWS South Uist Range
2019 May 20 21 03026 / 33 06 89   9.2   6.8 1016.9  +0.9 R                                              kn  AWS Stornoway
2019 May 20 21 03031 / 28 07 82   8.2   6.8 1016.7  +0.9 nowS                                           kn  AWS Loch Glascarnoch
2019 May 20 21 03034 / 30 02 83  10.3   8.4 1017.0  +0.9 R                                              kn  AWS Aultbea
2019 May 20 21 03039 / 02 12 //   4.2   4.2                   // //                                     kn  AWS Bealach No Ba
2019 May 20 21 03044 / 29 03 84   8.9   6.1 1016.2  +1.2 nowR                                           kn  AWS Altnaharra
2019 May 20 21 03047 / 18 02 58   8.9   8.5 1017.0  +1.1 nowR 62 //                                     kn  AWS Tulloch Bridge
2019 May 20 21 03062 / 31 09 84  11.5   8.4 1015.8  +1.1 R                                              kn  AWS Tain Range
2019 May 20 21 03063 / 25 01 50   9.2   8.7 1016.0  +1.2 nowR 62 //                                     kn  AWS Aviemore
2019 May 20 21 03065 / 32 15 //   3.0   3.0                   // //                                     kn  AWS Cairngorm
2019 May 20 21 03066 / 07 03 56  10.9  10.6 1015.6  +1.2 R    61 //                                     kn  AWS Kinloss
2019 May 20 21 03068 7 33 05 50  11.2  10.7 1015.6  +1.3 nowS 25 82                                     kn      Lossiemouth
2019 May 20 21 03075 / 31 09 71  10.1   9.7 1015.3  +1.0 nowS                                           kn  AWS Wick
2019 May 20 21 03080 / 25 03 50  10.8  10.2 1014.7  +1.1 R    62 //                                     kn  AWS Aboyne
2019 May 20 21 03088 / 07 06 00   9.0   9.0 1015.0  +1.0 nowR 82 //                                     kn  AWS Inverbervie
2019 May 20 21 03091 / 11 05 50   9.4   8.7 1015.3  +1.0 nowR 10 //                                     kn  AWS Aberdeen Dyce
2019 May 20 21 03100 / 32 08 83   8.7   7.1 1017.5  +0.7 nowR                                           kn  AWS Tiree
2019 May 20 21 03105 / 32 08 81   7.7   6.2 1017.4  +0.6 nowR                                           kn  AWS Port Ellen
2019 May 20 21 03111 / 32 05 66   9.6   9.0 1017.0  +0.8 nowR // //                                     kn  AWS Machrihanish
2019 May 20 21 03132 / 31 08 81   9.5   8.2 1017.1  +1.1 R                                              kn  AWS West Freugh
2019 May 20 21 03134 / 29 08 83  11.1   7.2 1015.5  +1.0 nowR 23 //                                     kn  AWS Glasgow Bishopton
2019 May 20 21 03136 / 30 06 83  10.5   7.3 1016.2  +0.9 nowR                                           kn  AWS Prestwick
2019 May 20 21 03144 / 21 02 84  11.9   9.2 1015.2  +1.1 R                                              kn  AWS Strathallan
2019 May 20 21 03148 / 34 11 //   7.3   6.7                   // //                                     kn  AWS Glen Ogle
2019 May 20 21 03153 / 31 08 80   9.8   6.1 1015.8  +1.4 nowR                                           kn  AWS Dundrennan
2019 May 20 21 03155 / 26 05 85   9.8   7.3 1015.6  +1.1 R    // //                                     kn  AWS Drumalbin
2019 May 20 21 03158 / 30 03 84  11.4   7.7 1014.6  +0.9 nowR 23 //                                     kn  AWS Charterhall
2019 May 20 21 03162 / 31 03 84   9.4   6.9 1015.9  +0.9 nowR                                           kn  AWS Eskdalemuir
2019 May 20 21 03166 / 23 04 89  12.3   8.7 1014.9  +1.1 nowR                                           kn  AWS Edinburgh Gogarbank
2019 May 20 21 03171 / 03 01 57  10.7  10.5 1014.7  +1.0 nowR 10 //                                     kn  AWS Leuchars
2019 May 20 21 03204 1 33 07 84  10.4   7.1 1017.3  +0.8 nowR                                           kn      Ronaldsway
2019 May 20 21 03210 / 30 14 81  10.8   7.9 1016.2  +0.8 nowR // //                                     kn  AWS St Bees Head
2019 May 20 21 03212 / 00 00 //  10.1   6.2 1016.1  +0.9 nowR // //                                     kn  AWS Keswick
2019 May 20 21 03214 / 29 12 78  11.3   9.0 1016.2  +0.8 nowR                                           kn  AWS Walney Island
2019 May 20 21 03220 / // // 89  11.9   8.1 1015.5  +0.9 R    // //                                     kn  AWS Carlisle
2019 May 20 21 03224 / 27 07 84   7.4   5.5 1015.7  +1.0 nowR                                           kn  AWS Spadeadam
2019 May 20 21 03225 / 22 02 85   6.3   4.8 1016.4  +0.9 nowR // //                                     kn  AWS Shap Fell
2019 May 20 21 03226 / 03 03 84   7.7   5.8 1015.9  +1.1 nowR                                           kn  AWS Warcop Range
2019 May 20 21 03227 / 31 12 //   5.7   5.7                   // //                                     kn  AWS Great Dun Fell
2019 May 20 21 03316 / 25 13 82  11.7   8.9 1017.1  +0.9 nowR                                           kn  AWS Crosby
2019 May 20 21 03318 / 30 09 //  12.0   8.4                   // //                                     kn  AWS Blackpool
2019 May 20 21 03351 / 30 02 82   9.3   6.4 1016.9  +1.5 nowR                                           kn  AWS Rostherne
2019 May 20 21 03230 / 36 04 89   7.6   5.2 1015.7  +1.2 nowR // //                                     kn  AWS Redesdale
2019 May 20 21 03238 / 29 02 83   9.4   7.5 1014.9  +1.1 nowR                                           kn  AWS Albermarle
2019 May 20 21 03240 / 24 05 71  11.6  10.2 1014.9  +1.0 nowR 23 //                                     kn  AWS Boulmer
2019 May 20 21 03257 / 28 07 84  11.1   7.2 1015.3  +1.2 nowR                                           kn  AWS Leeming
2019 May 20 21 03265 / 27 06 83  12.7   8.4 1015.3  +1.1 nowR                                           kn  AWS Topcliffe
2019 May 20 21 03266 / 27 07 72  12.1   7.9 1015.2  +1.2 nowR // //                                     kn  AWS Linton-on-Ouse
2019 May 20 21 03275 / 25 03 //  10.0   8.4 1015.0  +1.0 nowR // //                                     kn  AWS Loftus
2019 May 20 21 03281 / 30 02 //  10.0   9.0                   // //                                     kn  AWS Fylingdales
2019 May 20 21 03292 / 33 02 //   9.2   8.0 1014.7  +0.9 nowR // //                                     kn  AWS Bridlington
2019 May 20 21 03344 / 27 04 79   8.4   6.3 1016.3  +1.2 nowR                                           kn  AWS Bingley
2019 May 20 21 03346 / 29 12 //   9.4   6.5                   // //                                     kn  AWS Emley Moor No.2
2019 May 20 21 03373 / 07 03 69  13.0  10.0 1015.1  +1.5 nowR // //                                     kn  AWS Scampton
2019 May 20 21 03377 7 08 04 70  12.5  10.3 1015.3  +1.6 nowR                                           kn      Waddington
2019 May 20 21 03379 / 14 03 61  11.6  10.2 1015.4  +1.6 nowR // //                                     kn  AWS Cranwell
2019 May 20 21 03382 / 10 02 39   9.9   9.0 1014.9  +0.8 nowR 04 //                                     kn  AWS Leconfield
2019 May 20 21 03385 / 12 02 04   8.8   8.6 1015.1  +0.8 nowR // //                                     kn  AWS Donna Nook
2019 May 20 21 03391 3 11 03 60  10.9  10.1 1015.2  +1.4 nowR 11 81                                     kn      Coningsby
2019 May 20 21 03392 / 03 05 19   9.2   8.8 1015.2  +1.2 nowR // //                                     kn  AWS Wainfleet
2019 May 20 21 03302 / 32 04 75  10.0   7.1 1017.8  +1.1 nowR                                           kn  AWS Valley
2019 May 20 21 03301 / 04 01 61   7.5   4.9 1018.0  +1.1 nowR // //                                     kn  AWS Raf Mona
2019 May 20 21 03305 / 25 02 83   7.5   3.3 1018.2  +1.6 R                                              kn  AWS Capel Curig
2019 May 20 21 03313 / 28 04 80   9.6   6.9 1017.8  +1.0 nowR // //                                     kn  AWS Rhyl
2019 May 20 21 03321 / 30 04 79  10.7   7.2 1017.4  +1.4 nowR                                           kn  AWS Hawarden
2019 May 20 21 03405 / 32 08 80   8.7   7.6 1018.6  +1.0 nowR // //                                     kn  AWS Aberdaron
2019 May 20 21 03409 / 08 02 //   7.8   5.3 1017.9  +1.5 nowR // //                                     kn  AWS Bala
2019 May 20 21 03410 / 35 06 85   7.1   4.7 1017.8  +1.5 nowR // //                                     kn  AWS Lake Vrynwy
2019 May 20 21 03502 / 28 09 69   9.5   8.8 1017.9  +1.0 nowR                                           kn  AWS Aberporth
2019 May 20 21 03503 / 00 00 56   7.8   5.8 1017.7  +1.3 nowR 04 //                                     kn  AWS Trawscoed
2019 May 20 21 03507 / 07 02 81   7.2   4.1 1018.0  +1.5 nowR                                           kn  AWS Sennybridge
2019 May 20 21 03604 / 33 06 82  10.1   7.3 1018.0  +1.4 nowR // //                                     kn  AWS Milford Haven
2019 May 20 21 03605 / 35 07 85  10.3   5.7 1017.4  +1.4 nowR // //                                     kn  AWS Pembrey Sands
2019 May 20 21 03609 / 35 09 //  12.3   5.9 1017.5  +1.5 nowR // //                                     kn  AWS Mumbles
2019 May 20 21 03716 / 34 03 89  13.0   6.3 1016.3  +1.7 nowR                                           kn  AWS St Athan
2019 May 20 21 03330 / 34 04 81   8.9   6.0 1016.8  +1.3 nowR                                           kn  AWS Leek Thorncliffe
2019 May 20 21 03354 / 31 05 81  12.5   5.7 1015.8  +1.6 nowR                                           kn  AWS Nottingham Wea Cen
2019 May 20 21 03414 5 33 07 81  10.0   6.3 1017.0  +1.4 nowR                                           kn      Shawbury
2019 May 20 21 03520 / 28 02 77   8.5   6.6 1017.2  +1.6 nowR // //                                     kn  AWS Shobdon
2019 May 20 21 03522 / 00 00 //   9.9   7.8 1017.3  +1.8 nowR                                           kn  AWS Hereford Credenhill
2019 May 20 21 03529 / 30 05 76  12.7   8.1 1016.8  +2.0 nowR 81 //                                     kn  AWS Pershore
2019 May 20 21 03535 / 31 06 84  11.7   6.1 1016.2  +2.0 nowR                                           kn  AWS Coleshill
2019 May 20 21 03544 / 33 05 81  11.7   7.5 1015.8  +1.7 nowR                                           kn  AWS Church Lawford
2019 May 20 21 03647 / 32 12 82  11.6   8.6 1015.9  +1.8 nowR // //                                     kn  AWS Little Rissington
2019 May 20 21 03649 2 33 08 82  13.3   7.7 1015.8  +1.9 nowR                                           kn      Brize Norton
2019 May 20 21 03658 / 09 02 76   9.5   7.3 1015.3  +1.4 nowR // //                                     kn  AWS Benson
2019 May 20 21 03660 / 35 01 83  12.1   7.5 1015.4  +1.3 nowR                                           kn  AWS High Wycombe
2019 May 20 21 03462 / 15 02 74  11.3   8.7 1014.9  +1.7 nowR                                           kn  AWS Wittering
2019 May 20 21 03469 / 06 06 57  10.5  10.0 1015.2  +1.4 nowR 10 //                                     kn  AWS Holbeach
2019 May 20 21 03482 2 03 03 70  10.8   8.0 1015.0  +1.5 nowR                                           kn      Marham
2019 May 20 21 03488 / 34 07 50   9.6   9.0 1015.1  +1.4 nowR 10 //                                     kn  AWS Weybourne
2019 May 20 21 03560 / 31 06 84  14.2   8.2 1015.0  +1.3 nowR                                           kn  AWS Bedford
2019 May 20 21 03590 / 02 02 82  12.9   9.0 1014.6  +1.5 nowR                                           kn  AWS Wattisham
2019 May 20 21 03684 / 29 02 60  11.5   9.8 1014.5  +1.2 nowR                                           kn  AWS Andrewsfield
2019 May 20 21 03693 / 20 04 59  12.2  10.3 1014.5  +1.4 nowR 04 //                                     kn  AWS Shoeburyness
2019 May 20 21 03707 / 30 04 82  11.1   7.6 1017.3  +1.2 nowR                                           kn  AWS Chivenor
2019 May 20 21 03710 / 35 06 82   8.1   4.7 1017.5  +1.3 nowR // //                                     kn  AWS Liscombe
2019 May 20 21 03803 / 35 06 82  11.1   9.4 1018.4  +1.2 nowR                                           kn  AWS Scilly St Marys
2019 May 20 21 03808 6 36 05 81  10.3   8.9 1018.1  +1.1 nowR                                           kn      Camborne
2019 May 20 21 03809 4 03 05 80  10.3   7.5 1017.8  +1.5 nowR                                           kn      Culdrose RNAS
2019 May 20 21 03823 / 35 07 69   8.5   7.6 1017.6  +1.1 R                                              kn  AWS Cardinham
2019 May 20 21 03827 / 34 06 65  11.8   7.4 1017.3  +1.7 nowR                                           kn  AWS Plymouth
2019 May 20 21 03840 / 28 03 80  10.5   5.4 1017.1  +1.5 nowR                                           kn  AWS Dunkeswell
2019 May 20 21 03853 3 30 05 65  13.2   7.3 1016.3  +1.5 nowR                                           kn      Yeovilton
2019 May 20 21 03672 / 32 04 79  12.8   7.9 1014.8  +1.2 nowR // //                                     kn  AWS Northolt
2019 May 20 21 03740 / 35 09 //  12.3   7.8 1016.3  +1.9 nowR // //                                     kn  AWS Lyneham
2019 May 20 21 03743 / 31 06 87  14.1   7.7 1015.8  +1.7 nowR // //                                     kn  AWS Larkhill
2019 May 20 21 03746 / 30 06 84  14.1   9.5 1015.8  +1.6 nowR                                           kn  AWS Boscombe Down
2019 May 20 21 03749 6 30 05 82  14.4   9.3 1015.5  +1.6 nowR                                           kn      Middle Wallop
2019 May 20 21 03761 7 28 04 80  15.4   7.6 1015.1  +1.3 nowR                                           kn      Odiham
2019 May 20 21 03768 / 30 04 84  15.5   8.2 1015.0  +1.4 nowR // //                                     kn  AWS South Farnborough
2019 May 20 21 03769 / 28 02 84  13.9   8.6 1014.6  +1.3 nowR                                           kn  AWS Charlwood
2019 May 20 21 03770 / // // //  15.6   8.6                   // //                                     kn  AWS St James Park
2019 May 20 21 03772 / // // 83  15.2   7.8 1014.8  +1.3 nowR                                    00 10m kn  AWS Heathrow
2019 May 20 21 03781 / 33 03 84  13.4   7.0 1015.0  +1.4 nowR                                           kn  AWS Kenley
2019 May 20 21 03796 / 29 06 //  11.9  10.0 1014.7  +1.2 nowR // //                                     kn  AWS Langdon Bay
2019 May 20 21 03797 / 20 04 64  12.6   9.2 1014.7  +1.5 R                                              kn  AWS Manston
2019 May 20 21 03857 / 32 06 82  11.9  10.5 1016.4  +1.1 nowR                                           kn  AWS Isle of Portland
2019 May 20 21 03862 / 29 07 70  13.5   8.8 1015.9  +1.6 nowR                                           kn  AWS Bournemouth Hurn
2019 May 20 21 03866 / 30 08 //  13.3  10.4 1015.4  +1.2 nowR // //                                     kn  AWS St Catherines Point
2019 May 20 21 03872 / 30 05 64  13.7  11.5 1015.2  +1.4 nowR                                           kn  AWS Thorney Island
2019 May 20 21 03876 / 32 04 //  14.0   9.4 1014.6  +1.2 nowR // //                                     kn  AWS Shoreham
2019 May 20 21 03882 / 06 01 31  12.5  11.6 1014.7  +1.1 nowR 10 //                                     kn  AWS Herstmonceux
2019 May 20 21 03894 3 31 05 60  10.2   9.6 1017.2  +1.6 nowR                                           kn      Guernsey Airport
2019 May 20 21 03895 / 34 05 56  10.8   9.7 1016.9  +1.6 nowR 04 //                                     kn  AWS Jersey Airport
2019 May 20 21 03901 / 31 05 84  10.0   5.2 1018.0  +0.9 nowR                                           kn  AWS Thomastown
2019 May 20 21 03904 / 27 02 //   8.4   4.9 1018.4  +1.0 nowR // //                                     kn  AWS Castlederg
2019 May 20 21 03907 / 29 04 82   9.2   7.2 1018.4  +0.8 nowR                                           kn  AWS Magilligan
2019 May 20 21 03911 / 35 06 82   8.4   5.8 1018.4  +0.8 nowR                                           kn  AWS Lough Fea
2019 May 20 21 03915 / 36 02 80   8.9   6.8 1017.7  +0.9 nowR                                           kn  AWS Port Glenone
2019 May 20 21 03916 / 32 06 81   8.7   7.5 1018.1  +0.5 nowR                                           kn  AWS Ballypatrick Forest
2019 May 20 21 03917 / 34 03 83   8.6   6.2 1018.1  +0.9 nowR                                           kn  AWS Aldergrove
2019 May 20 21 03923 / 36 03 82   8.6   7.5 1017.8  +0.9 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