Decoded British Isles SYNOP weather reports

Weather data for 2018May21-03Z 
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 21 03 03002 / 18 02 50   9.5   9.3 1017.8  +0.8 nowS 10 //                                     kn  AWS Baltasound
2018 May 21 03 03005 8 19 06 01   8.7   8.6 1017.7  +0.4 nowS 61 65                                     kn      Lerwick
2018 May 21 03 03008 / 16 08 05   8.6   8.6 1017.5  +0.1 nowS 81 //                                     kn  AWS Fair Isle
2018 May 21 03 03010 / 06 07 //   8.5   7.7 1017.3  +0.1 nowF // //                                     kn  AWS Sule Skerry
2018 May 21 03 03017 / 01 07 34   9.3   9.3 1017.1  +0.1 nowR 52 //                                     kn  AWS Kirkwall
2018 May 21 03 03023 / 01 12 73   8.5   7.3 1017.1  +0.2 nowR 81 //                                     kn  AWS South Uist Range
2018 May 21 03 03026 / 36 07 62   7.8   7.0 1017.6  +0.1 nowR 61 //                                     kn  AWS Stornoway
2018 May 21 03 03031 / 30 07 38   9.2   9.1 1016.7  -0.2 F    51 //                                     kn  AWS Loch Glascarnoch
2018 May 21 03 03034 / 01 09 58   8.5   8.1 1017.0  -0.2 F    81 //                                     kn  AWS Aultbea
2018 May 21 03 03039 / 20 05 //   7.4   7.4                   // //                                     kn  AWS Bealach No Ba
2018 May 21 03 03044 / 21 01 38   8.9   8.5 1017.4  +0.5 nowS 53 //                                     kn  AWS Altnaharra
2018 May 21 03 03047 / 34 05 60  10.6   9.5 1017.2  -0.7 nowF 61 //                                     kn  AWS Tulloch Bridge
2018 May 21 03 03062 / 15 03 56  12.0  11.5 1016.3  +0.1 R    61 //                                     kn  AWS Tain Range
2018 May 21 03 03063 / 22 06 80  11.5   9.8 1016.3  -0.5 nowF 23 //                                     kn  AWS Aviemore
2018 May 21 03 03065 / 20 41 //   6.4   6.4                   // //                                     kn  AWS Cairngorm
2018 May 21 03 03066 / 20 03 49  12.5  11.6 1016.3  -0.1 nowF 61 //                                     kn  AWS Kinloss
2018 May 21 03 03068 8 28 02 57  12.6  12.1 1016.5  -0.1 nowF 61 62                                     kn      Lossiemouth
2018 May 21 03 03072 / 19 14 //   5.2   5.2                   // //                                     kn  AWS Cairnwell
2018 May 21 03 03075 / 33 02 50  10.5  10.3 1016.7  +0.0 S    51 //                                     kn  AWS Wick
2018 May 21 03 03080 / 14 02 82  11.7   8.1 1017.4  -0.5 nowF                                           kn  AWS Aboyne
2018 May 21 03 03088 / 17 08 00   7.8   7.8 1018.8  -0.3 F    34 //                                     kn  AWS Inverbervie
2018 May 21 03 03091 / 16 06 59   9.1   7.6 1018.2  -0.3 F    04 //                                     kn  AWS Aberdeen Dyce
2018 May 21 03 03100 / 01 10 57   9.1   9.1 1015.9  -0.2 nowS 61 //                                     kn  AWS Tiree
2018 May 21 03 03105 / 14 10 28   9.9   9.9 1015.6  -0.6 nowS 61 //                                     kn  AWS Port Ellen
2018 May 21 03 03111 / 13 10 57   9.6   9.1 1016.2  -0.3 nowS // //                                     kn  AWS Machrihanish
2018 May 21 03 03132 / 14 09 80  10.5   8.5 1017.5  -0.6 F                                              kn  AWS West Freugh
2018 May 21 03 03134 / 09 03 82  11.0   8.2 1017.2  -0.6 nowF                                           kn  AWS Glasgow Bishopton
2018 May 21 03 03136 / 12 03 84  11.2   6.0 1017.1  -0.6 nowF                                           kn  AWS Prestwick
2018 May 21 03 03144 / 10 01 83  10.8   8.2 1017.9  -0.4 F                                              kn  AWS Strathallan
2018 May 21 03 03148 / 15 11 //   7.9   7.0                   // //                                     kn  AWS Glen Ogle
2018 May 21 03 03153 / 15 07 80  10.3   6.6 1017.9  -0.7 F                                              kn  AWS Dundrennan
2018 May 21 03 03155 / 16 09 84   9.5   3.7 1017.9  -0.7 nowF // //                                     kn  AWS Drumalbin
2018 May 21 03 03158 / 27 02 84   6.4   3.1 1018.6  -0.8 nowS                                           kn  AWS Charterhall
2018 May 21 03 03162 / 00 00 83   4.3   3.1 1019.7  -0.9 nowS                                           kn  AWS Eskdalemuir
2018 May 21 03 03166 / 16 01 80  10.9   7.2 1017.7  -0.7 nowF                                           kn  AWS Edinburgh Gogarbank
2018 May 21 03 03171 / 10 01 83   9.4   5.3 1017.9  -0.6 nowS                                           kn  AWS Leuchars
2018 May 21 03 03204 7 07 03 70  10.0   7.2 1018.1  -0.8 nowF                                           kn      Ronaldsway
2018 May 21 03 03210 / 16 08 83   9.6   1.7 1018.7  -0.6 nowS // //                                     kn  AWS St Bees Head
2018 May 21 03 03212 / 12 01 84   7.3   3.3 1018.8  -0.8 nowS                                           kn  AWS Keswick
2018 May 21 03 03214 / 02 05 84   9.2   4.3 1018.3  -1.1 F                                              kn  AWS Walney Island
2018 May 21 03 03220 / // // 75   7.1   5.3 1018.6  -0.9 nowS // //                                     kn  AWS Carlisle
2018 May 21 03 03224 / 01 03 80   7.5   5.1 1018.9  -0.8 nowS                                           kn  AWS Spadeadam
2018 May 21 03 03225 / 14 03 //   5.9   2.7 1019.5  -0.9 F    // //                                     kn  AWS Shap Fell
2018 May 21 03 03226 / 13 07 75  11.5   8.3 1018.7  -0.8 nowS                                           kn  AWS Warcop Range
2018 May 21 03 03227 / 20 17 //   9.2   7.0                   // //                                     kn  AWS Great Dun Fell
2018 May 21 03 03316 / 10 03 77   7.1   5.4 1018.3  -1.0 nowS                                           kn  AWS Crosby
2018 May 21 03 03318 / 09 05 //   7.3   5.0                   // //                                     kn  AWS Blackpool
2018 May 21 03 03351 / 10 02 59   7.4   7.0 1018.8  -0.7 nowS 10 //                                     kn  AWS Rostherne
2018 May 21 03 03230 / 30 01 78   4.8   4.1 1019.7  -0.7 nowS // //                                     kn  AWS Redesdale
2018 May 21 03 03238 / 08 02 29   7.3   6.7 1018.8  -0.9 nowS 10 //                                     kn  AWS Albermarle
2018 May 21 03 03240 / 15 07 01   8.2   8.2 1019.2  -1.1 nowS 51 //                                     kn  AWS Boulmer
2018 May 21 03 03257 / 17 04 42   8.6   7.6 1019.7  -0.9 F    10 //                                     kn  AWS Leeming
2018 May 21 03 03265 / 19 04 37   6.6   5.9 1019.9  -1.0 nowS 10 //                                     kn  AWS Topcliffe
2018 May 21 03 03266 / 10 02 50   7.6   6.9 1019.9  -0.9 nowS // //                                     kn  AWS Linton-on-Ouse
2018 May 21 03 03275 / 09 03 73   9.3   6.9 1019.6  -0.5 nowS                                           kn  AWS Loftus
2018 May 21 03 03281 / 20 04 //   8.4   6.2                   // //                                     kn  AWS Fylingdales
2018 May 21 03 03292 / 15 03 //   6.5   6.5 1020.2  -0.8 F    // //                                     kn  AWS Bridlington
2018 May 21 03 03344 / 15 02 41   9.0   8.5 1019.6  -0.8 nowS 10 //                                     kn  AWS Bingley
2018 May 21 03 03346 / 10 06 //   9.3   8.8                   // //                                     kn  AWS Emley Moor No.2
2018 May 21 03 03373 / 14 06 57   8.0   7.6 1019.6  -0.8 nowS // //                                     kn  AWS Scampton
2018 May 21 03 03377 6 15 03 03   6.8   6.7 1019.9  -0.7 F    46 41                                     kn      Waddington
2018 May 21 03 03379 / 06 01 01   5.6   5.5 1019.9  -0.9 nowF // //                                     kn  AWS Cranwell
2018 May 21 03 03382 / 09 02 02   7.4   7.2 1020.2  -0.7 nowS // //                                     kn  AWS Leconfield
2018 May 21 03 03385 / 18 02 02   8.2   8.1 1020.0  -0.9 nowF // //                                     kn  AWS Donna Nook
2018 May 21 03 03391 8 07 04 04   7.0   6.9 1019.7  -1.0 F    44 41                                     kn      Coningsby
2018 May 21 03 03392 / 01 04 01   8.2   8.1 1019.7  -1.0 nowF // //                                     kn  AWS Wainfleet
2018 May 21 03 03302 / 09 04 80   9.8   6.9 1018.1  -0.8 F                                              kn  AWS Valley
2018 May 21 03 03301 / 04 03 67   7.8   6.1 1018.5  -0.8 nowS // //                                     kn  AWS Raf Mona
2018 May 21 03 03305 / 00 00 83   6.4   3.8 1019.5  -0.8 F                                              kn  AWS Capel Curig
2018 May 21 03 03313 / 19 02 82   8.4   5.7 1018.6  -0.9 F    // //                                     kn  AWS Rhyl
2018 May 21 03 03321 / 18 02 78   7.0   5.7 1018.6  -0.9 nowS                                           kn  AWS Hawarden
2018 May 21 03 03405 / 13 03 83  11.2   5.5 1018.8  -1.0 F    // //                                     kn  AWS Aberdaron
2018 May 21 03 03409 / 06 01 //   4.6   4.1 1019.5  -0.8 F    // //                                     kn  AWS Bala
2018 May 21 03 03410 / 33 04 82   7.3   5.2 1019.0  -1.2 F    // //                                     kn  AWS Lake Vrynwy
2018 May 21 03 03502 / 21 02 82  11.1   5.4 1018.1  -1.0 nowS                                           kn  AWS Aberporth
2018 May 21 03 03503 / 13 01 76   5.4   4.6 1018.3  -1.1 F                                              kn  AWS Trawscoed
2018 May 21 03 03507 / 14 02 69   4.0   3.6 1019.6  -0.9 F                                              kn  AWS Sennybridge
2018 May 21 03 03604 / 06 03 70  10.8   8.2 1017.9  -1.1 F    // //                                     kn  AWS Milford Haven
2018 May 21 03 03605 / 07 03 57   7.2   6.3 1017.9  -1.1 F    // //                                     kn  AWS Pembrey Sands
2018 May 21 03 03609 / 02 08 //  12.2   9.7 1018.4  -1.1 F    // //                                     kn  AWS Mumbles
2018 May 21 03 03716 / 29 02 65   9.6   7.7 1017.9  -1.1 nowS                                           kn  AWS St Athan
2018 May 21 03 03330 / 13 06 66  10.6   8.3 1019.3  -0.7 nowS                                           kn  AWS Leek Thorncliffe
2018 May 21 03 03354 / 08 04 59   8.9   8.0 1019.8  -0.7 nowS 10 //                                     kn  AWS Nottingham Wea Cen
2018 May 21 03 03414 / 05 01 44   8.1   7.5 1018.7  -0.8 F    10 //                                     kn  AWS Shawbury
2018 May 21 03 03520 / 00 00 50   5.9   5.6 1018.7  -0.7 F    // //                                     kn  AWS Shobdon
2018 May 21 03 03522 / 26 01 46   6.2   5.7 1018.8  -0.7 F    10 //                                     kn  AWS Hereford Credenhill
2018 May 21 03 03529 / 08 05 63   9.0   7.6 1019.2  -0.7 nowS                                           kn  AWS Pershore
2018 May 21 03 03535 / 09 02 59   7.7   6.7 1019.2  -0.6 nowS 20 //                                     kn  AWS Coleshill
2018 May 21 03 03544 / 12 01 57   7.7   7.1 1019.1  -0.9 nowF 10 //                                     kn  AWS Church Lawford
2018 May 21 03 03647 / 07 04 57   7.6   6.1 1018.8  -1.0 F    // //                                     kn  AWS Little Rissington
2018 May 21 03 03649 1 03 03 57   8.1   6.9 1018.8  -1.0 F    05 00                                     kn      Brize Norton
2018 May 21 03 03658 / 01 03 41   5.1   4.7 1018.8  -0.9 F    // //                                     kn  AWS Benson
2018 May 21 03 03660 / 09 06 57   8.3   6.2 1018.8  -1.3 nowF 04 //                                     kn  AWS High Wycombe
2018 May 21 03 03462 / 35 03 50   8.5   8.0 1019.0  -1.1 nowF 10 //                                     kn  AWS Wittering
2018 May 21 03 03469 / 35 05 24   7.8   7.5 1019.7  -0.9 nowF 10 //                                     kn  AWS Holbeach
2018 May 21 03 03482 1 35 04 50   6.6   5.9 1019.3  -1.3 nowF 10 00                                     kn      Marham
2018 May 21 03 03488 / 06 05 01   8.2   8.1 1019.8  -1.1 F    82 //                                     kn  AWS Weybourne
2018 May 21 03 03560 / 35 03 58   8.0   7.3 1019.2  -1.2 nowF 10 //                                     kn  AWS Bedford
2018 May 21 03 03590 / 02 04 29   5.7   5.2 1018.8  -1.8 F    10 //                                     kn  AWS Wattisham
2018 May 21 03 03684 / 02 05 49   7.0   7.0 1018.6  -1.9 nowS 10 //                                     kn  AWS Andrewsfield
2018 May 21 03 03693 / 33 04 14   7.5   7.4 1018.5  -1.4 nowS 20 //                                     kn  AWS Shoeburyness
2018 May 21 03 03707 / 08 05 60   9.0   7.9 1017.8  -1.2 F                                              kn  AWS Chivenor
2018 May 21 03 03628 / 06 02 59  10.3   9.0 1018.2  -1.0 F    04 //                                     kn  AWS Filton
2018 May 21 03 03710 / 09 03 65   7.8   5.6 1018.6  -1.3 nowS // //                                     kn  AWS Liscombe
2018 May 21 03 03803 / 09 09 36  10.7  10.1 1016.8  -1.6 nowF 10 //                                     kn  AWS Scilly St Marys
2018 May 21 03 03808 7 13 01 30   8.8   8.1 1017.1  -1.6 nowS 10 22                                     kn      Camborne
2018 May 21 03 03809 7 06 10 08   9.2   8.8 1016.9  -1.6 nowS 42 42                                     kn      Culdrose RNAS
2018 May 21 03 03823 / 12 05 67   8.9   4.7 1017.2  -1.6 nowS                                           kn  AWS Cardinham
2018 May 21 03 03827 / 05 04 22   7.4   7.1 1017.5  -1.3 F    20 //                                     kn  AWS Plymouth
2018 May 21 03 03840 / 11 04 59   8.5   6.1 1018.3  -1.3 nowS 04 //                                     kn  AWS Dunkeswell
2018 May 21 03 03853 / 15 01 35   6.3   6.0 1018.2  -1.2 nowS 20 //                                     kn  AWS Yeovilton
2018 May 21 03 03672 / 04 04 56   9.4   7.4 1018.5  -1.5 F    // //                                     kn  AWS Northolt
2018 May 21 03 03740 / 08 05 //   9.6   7.1 1018.6  -0.9 F    // //                                     kn  AWS Lyneham
2018 May 21 03 03743 / 02 03 62   7.8   6.8 1018.6  -1.1 nowS // //                                     kn  AWS Larkhill
2018 May 21 03 03746 / 05 05 65  10.3   6.7 1018.3  -1.2 F                                              kn  AWS Boscombe Down
2018 May 21 03 03749 / 35 02 56   7.3   5.7 1018.4  -1.2 nowS // //                                     kn  AWS Middle Wallop
2018 May 21 03 03761 0 34 02 50   6.7   5.1 1018.5  -1.2 nowF 05 00                                     kn      Odiham
2018 May 21 03 03769 / 06 01 18   6.2   5.8 1018.1  -1.5 F    20 //                                     kn  AWS Charlwood
2018 May 21 03 03770 / // // //  10.1   8.2                   // //                                     kn  AWS St James Park
2018 May 21 03 03772 / 03 02 43   9.8   8.0 1018.5  -1.5 F    04 //                                     kn  AWS Heathrow
2018 May 21 03 03781 / 06 02 20   7.2   6.8 1018.6  -1.5 nowS 10 //                                     kn  AWS Kenley
2018 May 21 03 03784 / 33 03 //   8.6   8.2 1018.3  -1.6 nowS // //                                     kn  AWS Gravesend
2018 May 21 03 03796 / 36 13 //   8.8   8.7 1017.8  -1.3 nowS // //                                     kn  AWS Langdon Bay
2018 May 21 03 03797 / 03 05 21   8.6   8.5 1018.2  -1.3 F    10 //                                     kn  AWS Manston
2018 May 21 03 03857 / 07 13 58  11.0   8.7 1017.4  -1.3 nowS 04 //                                     kn  AWS Isle of Portland
2018 May 21 03 03862 / 33 03 35   5.6   5.2 1017.7  -1.3 F    20 //                                     kn  AWS Bournemouth Hurn
2018 May 21 03 03866 / 04 10 //  12.3   7.9 1016.8  -1.6 nowF // //                                     kn  AWS St Catherines Point
2018 May 21 03 03872 / 01 04 59   9.0   7.4 1017.2  -1.4 nowF 04 //                                     kn  AWS Thorney Island
2018 May 21 03 03876 / 36 07 //   8.6   7.1 1017.3  -1.5 nowS // //                                     kn  AWS Shoreham
2018 May 21 03 03882 / 05 05 56   9.9   7.8 1017.4  -1.6 F    04 //                                     kn  AWS Herstmonceux
2018 May 21 03 03894 3 05 07 58  10.9   9.7 1016.0  -1.4 F    05 00                                     kn      Guernsey Airport
2018 May 21 03 03895 / 08 13 45  12.7  10.5 1015.4  -1.4 F    04 //                                     kn  AWS Jersey Airport
2018 May 21 03 03901 / 15 06 50  10.9  10.7 1014.9  -0.3 F    62 //                                     kn  AWS Thomastown
2018 May 21 03 03904 / 32 03 57  10.7  10.0 1015.6  +0.1 nowR 62 //                                     kn  AWS Castlederg
2018 May 21 03 03907 / 35 01 50  12.3  12.1 1015.2  -0.4 nowS 62 //                                     kn  AWS Magilligan
2018 May 21 03 03911 / 14 05 //   9.7   9.7 1015.9  -0.4 F    62 //                                     kn  AWS Lough Fea
2018 May 21 03 03915 / 17 09 50  10.7  10.5 1015.4  -0.5 F    53 //                                     kn  AWS Port Glenone
2018 May 21 03 03916 / 22 10 61  11.0  10.2 1015.6  -0.6 nowS 61 //                                     kn  AWS Ballypatrick Forest
2018 May 21 03 03917 / 18 08 35  10.7  10.2 1016.2  -0.6 nowS 62 //                                     kn  AWS Aldergrove
2018 May 21 03 03923 / 20 07 48   9.7   9.5 1015.8  -0.8 F    51 //                                     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