Decoded British Isles SYNOP weather reports

Weather data for 2021May15-21Z 
Year Mon Da ZZ Site  N dd ff VV  temp  dewp   mslp  ptendency ww WW  Rain H  maxT  minT  Tg sss* GG GGh ffu
2021 May 15 21 03002 / 01 03 50   8.3   7.9  997.1  -0.8 F    10 //                                     kn  AWS Baltasound
2021 May 15 21 03005 7 34 01 11   7.9   7.9  997.2  -0.6 F    60 65                                     kn      Lerwick
2021 May 15 21 03008 / 28 05 02   7.5   7.5  997.9  -0.5 F    33 //                                     kn  AWS Fair Isle
2021 May 15 21 03017 / 29 04 82   8.2   6.4  998.3  -0.6 nowS                                           kn  AWS Kirkwall
2021 May 15 21 03023 / 06 12 80   8.3   6.5  999.2  +0.1 nowR                                           kn  AWS South Uist Range
2021 May 15 21 03026 / 01 08 77   7.8   5.5  999.8  -0.3 F                                              kn  AWS Stornoway
2021 May 15 21 03031 / 24 03 83   7.9   4.6  999.2  +0.5 nowS                                           kn  AWS Loch Glascarnoch
2021 May 15 21 03034 / 01 08 80   7.4   5.7  999.4  -0.1 F                                              kn  AWS Aultbea
2021 May 15 21 03039 / // // //   3.8   1.2                   // //                                     kn  AWS Bealach No Ba
2021 May 15 21 03044 / 36 03 83   7.7   5.4  999.4  -0.1 nowF                                           kn  AWS Altnaharra
2021 May 15 21 03047 / 13 02 64   8.3   5.9  999.3  +0.2 R    81 //                                     kn  AWS Tulloch Bridge
2021 May 15 21 03062 / // // 82   5.3   3.6  999.0  -0.1 F                                       03 10m kn  AWS Tain Range
2021 May 15 21 03063 / 02 02 89   8.8   3.1  998.5  +0.1 nowR                                           kn  AWS Aviemore
2021 May 15 21 03065 / 31 03 //                               // //                                     kn  AWS Cairngorm
2021 May 15 21 03066 / 08 04 86   6.2   3.3  998.9  -0.1 F                                              kn  AWS Kinloss
2021 May 15 21 03068 1 10 03 82   8.2   4.1  999.0  -0.2 F                                              kn      Lossiemouth
2021 May 15 21 03072 / 21 07 //   1.5   1.5                   // //                                     kn  AWS Cairnwell
2021 May 15 21 03075 / // // //   7.9   6.4  998.9  -0.4 F                                       00 10m kn  AWS Wick
2021 May 15 21 03080 / 22 03 89   7.0   3.3  998.8  +0.1 R                                              kn  AWS Aboyne
2021 May 15 21 03088 / 20 11 72   6.3   5.2  999.4  -0.3 F                                              kn  AWS Inverbervie
2021 May 15 21 03091 / 17 07 83   6.8   3.7  999.0  -0.4 F                                              kn  AWS Aberdeen Dyce
2021 May 15 21 03100 / 06 06 82  10.2   7.3  998.5  +0.2 R                                              kn  AWS Tiree
2021 May 15 21 03105 / 05 03 78   8.8   6.2  997.6  +0.1 nowS                                           kn  AWS Port Ellen
2021 May 15 21 03111 / 15 01 73   8.6   7.6  997.3  +0.0 nowF // //                                     kn  AWS Machrihanish
2021 May 15 21 03132 / 06 06 75   9.5   7.4  996.9  -0.4 F                                              kn  AWS West Freugh
2021 May 15 21 03134 / 09 07 86   9.8   4.1  997.7  +0.0 S                                              kn  AWS Glasgow Bishopton
2021 May 15 21 03136 / 09 04 74   9.4   5.2  997.5  +0.1 R                                              kn  AWS Prestwick
2021 May 15 21 03144 / 07 04 84   8.0   2.9  999.1  +0.6 R                                              kn  AWS Strathallan
2021 May 15 21 03148 / 12 16 //   5.8   2.2                   // //                                     kn  AWS Glen Ogle
2021 May 15 21 03153 / 08 07 61   8.8   7.6  996.8  -0.5 nowS 23 //                                     kn  AWS Dundrennan
2021 May 15 21 03155 / 11 05 77   7.0   3.9  998.2  +0.1 R    // //                                     kn  AWS Drumalbin
2021 May 15 21 03158 / 03 05 69   6.8   4.6  998.7  -0.2 nowS                                           kn  AWS Charterhall
2021 May 15 21 03162 / 03 02 82   7.3   4.6  998.7  +0.1 R                                              kn  AWS Eskdalemuir
2021 May 15 21 03166 / 11 04 84   8.6   4.7  998.5  +0.3 nowR                                           kn  AWS Edinburgh Gogarbank
2021 May 15 21 03171 / 13 05 80   7.7   5.6  999.4  +0.2 R                                              kn  AWS Leuchars
2021 May 15 21 03204 5 11 10 75   9.5   8.7  996.1  -0.5 nowS 25 82                                     kn      Ronaldsway
2021 May 15 21 03210 / 11 07 80   8.6   6.7  997.1  -0.5 F    // //                                     kn  AWS St Bees Head
2021 May 15 21 03212 / 12 05 82   9.8   6.6  997.5  -0.4 nowS 23 //                                     kn  AWS Keswick
2021 May 15 21 03214 / 08 08 69   9.6   8.3  997.0  -0.2 F    57 //                                     kn  AWS Walney Island
2021 May 15 21 03220 / // // 73  10.1   6.2  998.0  -0.1 F    // //                                     kn  AWS Carlisle
2021 May 15 21 03225 / 13 03 61   7.3   6.0  998.2  -0.2 F    // //                                     kn  AWS Shap Fell
2021 May 15 21 03226 / 11 11 82   8.4   5.4  997.9  -0.1 F    23 //                                     kn  AWS Warcop Range
2021 May 15 21 03227 / 11 17 //   3.3   3.3                   // //                                     kn  AWS Great Dun Fell
2021 May 15 21 03316 / 19 09 84  10.4   9.2  997.3  +0.4 nowR 23 //                                     kn  AWS Crosby
2021 May 15 21 03318 / 17 05 //   9.5   7.9                   // //                                     kn  AWS Blackpool
2021 May 15 21 03351 / 17 04 83  10.0   8.7  997.7  +0.5 R                                              kn  AWS Rostherne
2021 May 15 21 03230 / 35 02 80   5.0   3.2  999.4  +0.1 R    // //                                     kn  AWS Redesdale
2021 May 15 21 03238 / 09 03 63   7.9   6.0  998.6  -0.1 F                                              kn  AWS Albermarle
2021 May 15 21 03240 / 14 09 74   8.5   6.8  999.3  -0.4 nowS                                           kn  AWS Boulmer
2021 May 15 21 03257 / 09 02 57   9.1   8.1  998.7  -0.1 F    22 //                                     kn  AWS Leeming
2021 May 15 21 03265 / 11 06 49   9.1   8.5  998.8  -0.1 F    81 //                                     kn  AWS Topcliffe
2021 May 15 21 03266 / 09 04 39   9.3   8.5  998.6  -0.1 F    61 //                                     kn  AWS Linton-on-Ouse
2021 May 15 21 03275 / 13 08 58   7.8   7.1  998.9  +0.0 S    10 //                                     kn  AWS Loftus
2021 May 15 21 03281 / 14 10 //   7.0   5.9                   // //                                     kn  AWS Fylingdales
2021 May 15 21 03292 / 13 15 //   9.0   7.8  998.9  +0.0 S    // //                                     kn  AWS Bridlington
2021 May 15 21 03344 / 10 05 36   8.0   7.6  998.3  -0.1 nowS 23 //                                     kn  AWS Bingley
2021 May 15 21 03346 / 11 09 //   7.1   7.1                   // //                                     kn  AWS Emley Moor No.2
2021 May 15 21 03373 / 12 06 57   9.6   8.5  998.3  +0.1 R    // //                                     kn  AWS Scampton
2021 May 15 21 03377 / 12 07 50   9.5   8.6  998.5  +0.1 nowS 61 //                                     kn  AWS Waddington
2021 May 15 21 03379 / 10 06 38   9.5   9.0  998.6  +0.1 nowS // //                                     kn  AWS Cranwell
2021 May 15 21 03382 / 12 05 58   8.7   7.5  998.8  +0.1 R    04 //                                     kn  AWS Leconfield
2021 May 15 21 03385 / 11 15 60   9.5   8.5  998.8  -0.1 F    // //                                     kn  AWS Donna Nook
2021 May 15 21 03391 8 10 07 56   9.8   9.0  998.7  +0.2 nowS 80 82                                     kn      Coningsby
2021 May 15 21 03392 / 12 10 69  10.1   8.3  998.8  +0.0 S    // //                                     kn  AWS Wainfleet
2021 May 15 21 03302 / 20 14 59  10.5   9.3  996.6  +0.2 nowR 10 //                                     kn  AWS Valley
2021 May 15 21 03301 / 21 12 60  10.0   9.6  996.8  +0.2 nowR // //                                     kn  AWS Raf Mona
2021 May 15 21 03305 / 23 15 65   9.0   7.8  997.3  +0.3 nowR 23 //                                     kn  AWS Capel Curig
2021 May 15 21 03313 / 16 02 76   9.5   8.6  997.3  +0.5 nowS // //                                     kn  AWS Rhyl
2021 May 15 21 03321 / 15 05 82  10.0   9.3  997.7  +0.4 nowR 81 //                                     kn  AWS Hawarden
2021 May 15 21 03405 / 21 16 57   9.3   8.9  997.4  +0.1 R    // //                                     kn  AWS Aberdaron
2021 May 15 21 03409 / 25 04 //   9.1   7.8  997.7  +0.4 nowR // //                                     kn  AWS Bala
2021 May 15 21 03410 / 21 06 64   7.3   6.6  997.9  +0.5 nowR // //                                     kn  AWS Lake Vrynwy
2021 May 15 21 03502 / 21 07 65   8.8   7.7  998.0  +0.2 R                                              kn  AWS Aberporth
2021 May 15 21 03503 / 19 02 78   8.7   7.6  998.1  +0.1 nowR                                           kn  AWS Trawscoed
2021 May 15 21 03507 / 23 09 64   8.1   7.4  998.8  +0.4 R    23 //                                     kn  AWS Sennybridge
2021 May 15 21 03604 / 23 06 61  10.5   9.6  998.2  +0.0 S    // //                                     kn  AWS Milford Haven
2021 May 15 21 03605 / 23 15 50  11.2  10.0  998.6  +0.1 R    // //                                     kn  AWS Pembrey Sands
2021 May 15 21 03609 / 23 16 //  11.0   9.9  999.5  +0.2 R    // //                                     kn  AWS Mumbles
2021 May 15 21 03716 / 25 07 61  10.8   9.5  999.4  +0.4 nowS                                           kn  AWS St Athan
2021 May 15 21 03330 / 18 05 80   7.6   6.6  998.3  +0.4 R                                              kn  AWS Leek Thorncliffe
2021 May 15 21 03354 / 32 03 60   9.3   8.5  998.4  +0.2 nowR 61 //                                     kn  AWS Nottingham Wea Cen
2021 May 15 21 03414 / 19 05 78   9.6   8.0  998.2  +0.5 R    61 //                                     kn  AWS Shawbury
2021 May 15 21 03520 / 28 02 84   8.8   7.7  998.8  +0.4 R    // //                                     kn  AWS Shobdon
2021 May 15 21 03522 / 14 01 73   8.6   7.3  999.2  +0.3 nowR 23 //                                     kn  AWS Hereford Credenhill
2021 May 15 21 03529 / 19 03 84   9.7   8.7  999.3  +0.6 nowS 23 //                                     kn  AWS Pershore
2021 May 15 21 03535 / 22 03 87  10.0   7.4  998.4  +0.5 nowR 22 //                                     kn  AWS Coleshill
2021 May 15 21 03544 / 24 03 80   9.6   8.4  998.6  +0.4 R    23 //                                     kn  AWS Church Lawford
2021 May 15 21 03647 / 21 03 83   6.6   5.8  999.3  +0.6 nowS // //                                     kn  AWS Little Rissington
2021 May 15 21 03649 2 22 02 75  10.0   7.5  999.3  +0.6 nowS                                           kn      Brize Norton
2021 May 15 21 03658 / 20 03 81   9.0   6.7  999.4  +0.5 nowS // //                                     kn  AWS Benson
2021 May 15 21 03660 / 27 03 80   8.4   7.5  999.8  +0.7 nowR 23 //                                     kn  AWS High Wycombe
2021 May 15 21 03462 / 25 02 81   8.4   7.4  998.3  +0.4 R    23 //                                     kn  AWS Wittering
2021 May 15 21 03469 / 14 06 57   9.8   8.6  998.6  +0.1 R    61 //                                     kn  AWS Holbeach
2021 May 15 21 03482 / 13 07 57   9.7   8.8  999.0  +0.2 R    61 //                                     kn  AWS Marham
2021 May 15 21 03488 / 12 08 61   8.9   7.9  999.3  +0.0 S    // //                                     kn  AWS Weybourne
2021 May 15 21 03560 / 19 03 61   8.2   7.5  999.0  +0.3 nowR                                           kn  AWS Bedford
2021 May 15 21 03590 / 14 07 50   9.5   8.6  999.3  +0.5 nowS 10 //                                     kn  AWS Wattisham
2021 May 15 21 03684 / 21 05 89   8.7   8.0  999.2  +0.6 nowS 23 //                                     kn  AWS Andrewsfield
2021 May 15 21 03693 / 26 05 83  10.4   9.5 1000.0  +0.9 nowR 23 //                                     kn  AWS Shoeburyness
2021 May 15 21 03707 / 26 11 62  11.4   9.3  999.7  +0.2 nowR                                           kn  AWS Chivenor
2021 May 15 21 03710 / 23 07 65   7.6   6.8 1000.0  +0.5 nowS // //                                     kn  AWS Liscombe
2021 May 15 21 03803 / 23 17 77  11.2   8.0 1000.3  -0.3 nowS                                           kn  AWS Scilly St Marys
2021 May 15 21 03808 6 23 10 68  10.8   9.4 1000.4  -0.1 nowS                                           kn      Camborne
2021 May 15 21 03809 / 22 07 58  10.8   9.7 1000.5  -0.1 nowS // //                                     kn  AWS Culdrose RNAS
2021 May 15 21 03823 / 25 09 58   9.1   7.9 1000.3  +0.3 R    04 //                                     kn  AWS Cardinham
2021 May 15 21 03827 / 23 17 //  10.4   9.6 1000.9  +0.4 R    // //                                     kn  AWS Plymouth
2021 May 15 21 03840 / 20 04 62   7.4   6.4 1000.5  +0.7 R                                              kn  AWS Dunkeswell
2021 May 15 21 03853 / 20 06 82   9.0   7.5 1000.2  +1.0 R                                              kn  AWS Yeovilton
2021 May 15 21 03672 / 28 03 80  10.1   8.6  999.8  +1.0 R    // //                                     kn  AWS Northolt
2021 May 15 21 03740 / 21 03 //   8.4   7.2  999.9  +0.5 R    // //                                     kn  AWS Lyneham
2021 May 15 21 03743 / 23 03 64   9.9   8.2 1000.3  +0.7 nowS // //                                     kn  AWS Larkhill
2021 May 15 21 03746 / 23 03 84  10.2   8.2 1000.3  +0.8 nowS                                           kn  AWS Boscombe Down
2021 May 15 21 03749 / 19 02 77  10.3   8.6 1000.1  +0.5 nowS 61 //                                     kn  AWS Middle Wallop
2021 May 15 21 03761 / 20 07 80   9.9   7.9 1000.2  +0.9 R    23 //                                     kn  AWS Odiham
2021 May 15 21 03768 / 23 07 77  10.2   8.3 1000.0  +0.9 R    // //                                     kn  AWS South Farnborough
2021 May 15 21 03769 / 23 05 61   9.8   8.9 1000.1  +0.9 R    82 //                                     kn  AWS Charlwood
2021 May 15 21 03772 / 27 02 80  10.5   8.1  999.9  +1.2 R    23 //                                     kn  AWS Heathrow
2021 May 15 21 03781 / 23 08 76   9.5   8.3 1000.1  +0.8 nowR                                           kn  AWS Kenley
2021 May 15 21 03796 / 25 10 //   9.5   9.0 1000.4  +0.9 nowR // //                                     kn  AWS Langdon Bay
2021 May 15 21 03797 / 19 04 69   9.0   8.3 1000.1  +0.8 R    23 //                                     kn  AWS Manston
2021 May 15 21 03857 / 25 19 56  10.5   9.9 1000.9  +0.6 R    10 //                                     kn  AWS Isle of Portland
2021 May 15 21 03862 / 25 06 71  10.3   8.0 1000.7  +0.8 nowR 23 //                                     kn  AWS Bournemouth Hurn
2021 May 15 21 03866 / 26 17 //  10.6   9.8 1000.9  +0.6 nowR // //                                     kn  AWS St Catherines Point
2021 May 15 21 03872 / 25 10 61  10.8   9.0 1000.7  +0.7 nowR                                           kn  AWS Thorney Island
2021 May 15 21 03876 / 25 08 //  11.4   9.2 1001.0  +0.9 R    // //                                     kn  AWS Shoreham
2021 May 15 21 03882 / 24 07 57  10.5   9.0 1000.8  +0.8 nowR 04 //                                     kn  AWS Herstmonceux
2021 May 15 21 03894 5 25 13 62  10.6   9.9 1003.3  +0.5 R                                              kn      Guernsey Airport
2021 May 15 21 03895 / 26 13 59  10.4   9.8 1003.6  +0.5 R    10 //                                     kn  AWS Jersey Airport
2021 May 15 21 03901 / 11 07 80   9.8   7.4  995.0  +0.2 R                                              kn  AWS Thomastown
2021 May 15 21 03904 / 10 05 78   8.5   6.5  995.7  +0.0 S                                              kn  AWS Castlederg
2021 May 15 21 03907 / 07 05 78   9.8   6.4  996.9  +0.3 nowR 04 //                                     kn  AWS Magilligan
2021 May 15 21 03911 / 10 06 60   8.6   7.1  996.5  +0.0 S                                              kn  AWS Lough Fea
2021 May 15 21 03915 / 11 06 68   9.4   6.8  996.2  +0.1 nowR                                           kn  AWS Port Glenone
2021 May 15 21 03916 / 16 08 64   7.8   6.8  997.2  -0.1 nowF 81 //                                     kn  AWS Ballypatrick Forest
2021 May 15 21 03917 / 09 05 71   9.5   6.8  996.5  +0.0 S                                              kn  AWS Aldergrove
2021 May 15 21 03923 / 13 02 61   7.8   6.7  995.6  -0.1 nowS                                           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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