Decoded British Isles SYNOP weather reports

Weather data for 2023Sep23-21Z 
Year Mon Da ZZ Site  N dd ff VV  temp  dewp   mslp  ptendency ww WW  Rain H  maxT  minT  Tg sss* GG GGh ffu
2023 Sep 23 21 03002 8 26 02 83   7.3   3.8 1012.1  +0.8 R                                       04 WW  kn  AWS Baltasound
2023 Sep 23 21 03005 8 27 02 86   7.8   3.3 1012.5  +0.6 nowS                                    04 10m kn  AWS Lerwick
2023 Sep 23 21 03008 8 15 06 82   8.8   3.0 1012.2  +0.1 nowR                                    10 WW  kn  AWS Fair Isle
2023 Sep 23 21 03017 8 14 09 80   8.9   6.1 1011.6  -0.3 F                                       13 10m kn  AWS Kirkwall
2023 Sep 23 21 03023 8 14 24 57  10.8   9.2 1004.1  -2.7 nowF 61 //                              36 WW  kn  AWS South Uist Range
2023 Sep 23 21 03026 8 13 09 87  11.5   6.0 1006.9  -2.0 nowF                                    16 10m kn  AWS Stornoway
2023 Sep 23 21 03031 8 11 08 83   8.0   4.5 1009.1  -1.2 nowF                                    14 10m kn  AWS Loch Glascarnoch
2023 Sep 23 21 03034 8 12 03 85   9.7   5.5 1007.6  -1.7 nowF 23 //                              06 WW  kn  AWS Aultbea
2023 Sep 23 21 03039 / 36 10 //   4.9   1.6                   // //                                     kn  AWS Bealach No Ba
2023 Sep 23 21 03041 / 17 34 //   2.9   1.6                   // //                                     kn  AWS Aonach Moor
2023 Sep 23 21 03044 8 09 04 82   9.8   5.0 1009.5  -1.1 nowF                                    09 10m kn  AWS Altnaharra
2023 Sep 23 21 03062 8 13 09 86  10.3   5.3 1009.8  -1.1 nowF                                    12 10m kn  AWS Tain Range
2023 Sep 23 21 03063 8 21 06 82   9.5   3.7 1009.6  -1.3 nowF                                    15 10m kn  AWS Aviemore
2023 Sep 23 21 03065 / 17 30 //   0.9   0.9                   // //                                     kn  AWS Cairngorm
2023 Sep 23 21 03066 8 11 06 86   8.8   5.1 1010.3  -0.8 nowF                                    09 10m kn  AWS Kinloss
2023 Sep 23 21 03068 8 15 09 84   9.3   6.5 1010.6  -0.5 nowF                                    12 WW  kn  AWS Lossiemouth
2023 Sep 23 21 03072 / // // //   3.2   3.2                   // //                                     kn  AWS Cairnwell
2023 Sep 23 21 03075 8 17 11 74  11.4   5.9 1010.7  -0.9 nowF                                    23 WW  kn  AWS Wick
2023 Sep 23 21 03080 8 06 03 82   8.3   6.6 1012.0  -0.5 nowF                                    05 10m kn  AWS Aboyne
2023 Sep 23 21 03088 8 18 17 76  11.2   6.5 1012.4  -0.4 nowF                                    22 10m kn  AWS Inverbervie
2023 Sep 23 21 03091 8 18 08 84  10.3   8.0 1012.4  -0.5 nowF 23 //                              11 10m kn  AWS Aberdeen Dyce
2023 Sep 23 21 03100 8 14 28 19  12.0  11.5 1005.3  -2.7 nowF 60 //                              34 10m kn  AWS Tiree
2023 Sep 23 21 03105 8 15 24 66  13.3  12.1 1006.3  -2.5 F    40 //                              36 WW  kn  AWS Port Ellen
2023 Sep 23 21 03111 8 15 26 17  12.9  11.9 1007.0  -2.1 nowS 60 //                              39 WW  kn  AWS Machrihanish
2023 Sep 23 21 03132 8 13 17 45  12.9  12.1 1009.4  -1.8 nowF 60 //                              27 WW  kn  AWS West Freugh
2023 Sep 23 21 03134 8 99 11 50  10.2   7.6 1010.3  -1.2 nowF 61 //                              16 10m kn  AWS Glasgow Bishopton
2023 Sep 23 21 03136 8 12 11 84  12.3   8.7 1009.5  -2.1 nowF 22 //                              17 10m kn  AWS Prestwick
2023 Sep 23 21 03144 8 06 03 83   9.8   8.1 1011.6  -0.8 nowF 23 //                              05 10m kn  AWS Strathallan
2023 Sep 23 21 03153 8 15 19 78  13.3   9.4 1010.8  -1.6 nowF 22 //                              27 10m kn  AWS Dundrennan
2023 Sep 23 21 03155 8 18 12 84  10.3   6.7 1010.7  -1.6 nowF 23 //                              21 WW  kn  AWS Drumalbin
2023 Sep 23 21 03158 8 05 02 80   8.6   6.8 1012.9  -0.2 nowF                                    02 10m kn  AWS Charterhall
2023 Sep 23 21 03162 8 20 03 81   9.1   6.8 1013.0  -0.7 nowF 23 //                              06 WW  kn  AWS Eskdalemuir
2023 Sep 23 21 03166 8 09 04 80  10.8   6.4 1011.5  -1.0 nowF 51 //                              07 10m kn  AWS Edinburgh Gogarbank
2023 Sep 23 21 03171 8 17 08 81  11.3   7.5 1012.3  -0.3 nowF                                    10 10m kn  AWS Leuchars
2023 Sep 23 21 03204 8 15 20 //  13.7  12.5 1010.5  -1.7 nowF // //                              26 10m kn  AWS Ronaldsway
2023 Sep 23 21 03210 6 14 21 78  12.2   7.6 1011.4  -1.8 nowF                                    29 10m kn  AWS St Bees Head
2023 Sep 23 21 03212 7 11 10 82  13.0   6.8 1012.5  -1.2 nowF                                    16 10m kn  AWS Keswick
2023 Sep 23 21 03214 8 14 14 80  13.9   8.8 1012.8  -1.2 nowF 61 //                              21 WW  kn  AWS Walney Island
2023 Sep 23 21 03220 8 // // //  11.7   7.9 1012.9  -0.8 nowF // //                                     kn  AWS Carlisle
2023 Sep 23 21 03224 8 14 05 61   7.9   6.2 1013.7  -0.5 nowF                                    07 10m kn  AWS Spadeadam
2023 Sep 23 21 03225 8 18 10 78  10.7   6.7 1013.7  -0.5 nowF                                    18 10m kn  AWS Shap Fell
2023 Sep 23 21 03226 8 15 11 80  10.7   6.3 1014.0  -0.3 nowF                                    15 WW  kn  AWS Warcop Range
2023 Sep 23 21 03316 8 15 15 80  14.4   7.7 1013.5  -1.0 nowF                                    21 10m kn  AWS Crosby
2023 Sep 23 21 03318 / 16 12 //  13.3   8.2                   // //                                     kn  AWS Blackpool
2023 Sep 23 21 03230 8 14 04 82   8.4   6.2 1014.0  -0.2 nowF // //                              06 10m kn  AWS Redesdale
2023 Sep 23 21 03238 8 15 04 76  10.2   7.2 1013.9  +0.1 nowF                                    08 WW  kn  AWS Albermarle
2023 Sep 23 21 03240 8 20 06 83  10.3   7.2 1014.2  +0.1 nowF                                    08 10m kn  AWS Boulmer
2023 Sep 23 21 03257 3 13 03 80  10.5   7.2 1015.4  +0.3 nowF                                    04 10m kn  AWS Leeming
2023 Sep 23 21 03265 0 15 09 83  10.1   7.6 1015.7  +0.3 nowF                                    11 10m kn  AWS Topcliffe
2023 Sep 23 21 03275 8 16 08 83   9.3   7.1 1015.8  +0.6 nowF                                    11 WW  kn  AWS Loftus
2023 Sep 23 21 03281 / 19 13 //   9.6   5.9                   // //                                     kn  AWS Fylingdales
2023 Sep 23 21 03292 5 20 09 //  13.3   8.4 1016.4  +0.9 nowF // //                              13 10m kn  AWS Bridlington
2023 Sep 23 21 03344 7 36 01 70   9.0   6.0 1015.8  +0.0 nowF                                    04 WW  kn  AWS Bingley
2023 Sep 23 21 03377 4 19 09 81  11.5   5.6 1017.6  +0.8 nowF 10 //                              11 10m kn  AWS Waddington
2023 Sep 23 21 03379 2 17 06 89   9.6   6.3 1017.8  +0.8 nowS                                    08 WW  kn  AWS Cranwell
2023 Sep 23 21 03382 6 16 03 74  10.9   7.4 1016.7  +1.0 nowS                                    05 10m kn  AWS Leconfield
2023 Sep 23 21 03385 1 18 06 76  10.3   7.7 1017.7  +1.1 R                                       08 10m kn  AWS Donna Nook
2023 Sep 23 21 03391 7 18 05 84  10.8   7.4 1018.0  +1.1 nowS                                    08 WW  kn  AWS Coningsby
2023 Sep 23 21 03392 7 21 08 77  11.0   8.4 1018.2  +1.2 R                                       11 WW  kn  AWS Wainfleet
2023 Sep 23 21 03302 8 16 27 57  13.8  12.1 1010.7  -1.9 nowF 61 //                              33 10m kn  AWS Valley
2023 Sep 23 21 03301 8 17 20 50  12.7  11.0 1011.2  -1.8 nowF 61 //                              29 10m kn  AWS Raf Mona
2023 Sep 23 21 03305 8 23 14 27  11.9   9.7 1013.3  -0.9 F    53 //                              28 WW  kn  AWS Capel Curig
2023 Sep 23 21 03313 8 15 08 81  13.8   8.3 1012.8  -1.5 nowF 23 //                              15 10m kn  AWS Rhyl
2023 Sep 23 21 03321 8 15 10 85  13.0   8.6 1014.2  -0.8 nowF 23 //                              15 10m kn  AWS Hawarden
2023 Sep 23 21 03405 8 16 21 42  13.7  12.8 1011.9  -1.6 nowF 50 //                              31 10m kn  AWS Aberdaron
2023 Sep 23 21 03409 / 36 04 //  12.9   8.8 1013.4  -1.2 nowF // //                              12 WW  kn  AWS Bala
2023 Sep 23 21 03410 8 18 10 56  10.3   8.1 1014.5  -0.6 nowF 61 //                              15 10m kn  AWS Lake Vrynwy
2023 Sep 23 21 03502 8 16 23 32  13.2  12.8 1011.6  -1.6 nowS 50 //                              33 10m kn  AWS Aberporth
2023 Sep 23 21 03503 8 15 14 77  14.0  10.6 1013.1  -1.5 nowF 23 //                              24 WW  kn  AWS Trawscoed
2023 Sep 23 21 03507 8 18 11 80  12.0   9.3 1015.3  -0.4 nowF                                    18 10m kn  AWS Sennybridge
2023 Sep 23 21 03604 8 18 24 29  14.9  14.4 1012.3  -1.1 nowF 61 //                              36 WW  kn  AWS Milford Haven
2023 Sep 23 21 03605 8 18 28 50  14.8  13.8 1014.1  -0.7 nowF // //                              38 WW  kn  AWS Pembrey Sands
2023 Sep 23 21 03609 / 17 22 //  14.9  13.1 1015.9  -0.3 F    // //                              26 10m kn  AWS Mumbles
2023 Sep 23 21 03716 8 18 09 60  14.7  10.8 1016.5  +0.3 nowS                                    16 10m kn  AWS St Athan
2023 Sep 23 21 03330 8 17 12 74  11.1   6.8 1016.0  +0.1 nowF                                    17 WW  kn  AWS Leek Thorncliffe
2023 Sep 23 21 03354 0 17 04 80  10.4   6.1 1017.3  +0.6 nowF                                    06 10m kn  AWS Nottingham Wea Cen
2023 Sep 23 21 03414 8 15 06 81  13.0   8.5 1015.3  -0.4 nowF                                    08 10m kn  AWS Shawbury
2023 Sep 23 21 03520 8 18 07 82  13.3   9.5 1016.0  +0.2 nowF                                    11 10m kn  AWS Shobdon
2023 Sep 23 21 03522 8 15 04 81  13.4   9.6 1016.6  +0.1 nowF 61 //                              11 WW  kn  AWS Hereford Credenhill
2023 Sep 23 21 03529 7 17 08 82  13.4   8.7 1017.7  +0.3 nowF                                    11 10m kn  AWS Pershore
2023 Sep 23 21 03535 8 14 06 81  11.4   7.5 1016.8  +0.1 nowF                                    10 10m kn  AWS Coleshill
2023 Sep 23 21 03544 1 19 05 83  11.5   7.4 1017.8  +0.6 nowS                                    10 10m kn  AWS Church Lawford
2023 Sep 23 21 03647 7 19 11 81  10.5   8.1 1018.1  +0.5 R    // //                              14 10m kn  AWS Little Rissington
2023 Sep 23 21 03649 7 18 04 83  11.8   8.4 1018.7  +0.8 R                                       08 10m kn  AWS Brize Norton
2023 Sep 23 21 03658 0 17 08 //  10.7   8.1 1019.1  +0.8 R    // //                              10 10m kn  AWS Benson
2023 Sep 23 21 03462 0 18 06 83  10.0   6.2 1018.0  +0.6 nowF                                    08 10m kn  AWS Wittering
2023 Sep 23 21 03469 0 21 09 77  10.6   7.0 1018.4  +1.2 nowS                                    10 10m kn  AWS Holbeach
2023 Sep 23 21 03482 5 15 05 79  10.6   6.2 1019.0  +1.2 nowS                                    06 10m kn  AWS Marham
2023 Sep 23 21 03488 5 19 07 //  11.5   7.5 1018.8  +1.2 nowS // //                              09 10m kn  AWS Weybourne
2023 Sep 23 21 03560 0 19 07 80  10.3   6.7 1018.8  +0.7 R                                       10 10m kn  AWS Bedford
2023 Sep 23 21 03590 8 19 07 86  12.8   6.8 1019.7  +1.3 R                                       11 10m kn  AWS Wattisham
2023 Sep 23 21 03684 0 21 05 80  12.2   7.1 1019.8  +1.4 R                                       08 10m kn  AWS Andrewsfield
2023 Sep 23 21 03693 0 21 08 73  13.7   8.0 1020.4  +1.5 nowS                                    14 WW  kn  AWS Shoeburyness
2023 Sep 23 21 03707 8 16 11 //  14.9  13.2 1015.7  -0.5 nowS // //                              17 WW  kn  AWS Chivenor
2023 Sep 23 21 03710 8 19 14 50  11.7   9.9 1016.7  -0.2 nowF // //                              19 10m kn  AWS Liscombe
2023 Sep 23 21 03803 8 20 28 22  16.2  16.2 1013.7  +0.0 S    50 //                              36 WW  kn  AWS Scilly St Marys
2023 Sep 23 21 03808 8 18 21 40  15.4  14.9 1014.8  -0.3 nowR 61 //                              30 10m kn  AWS Camborne
2023 Sep 23 21 03809 8 19 15 57  15.5  15.2 1015.2  -0.3 F    22 //                              26 WW  kn  AWS Culdrose RNAS
2023 Sep 23 21 03823 8 18 16 50  13.9  13.4 1015.8  +0.1 S    60 //                              24 10m kn  AWS Cardinham
2023 Sep 23 21 03827 8 18 19 16  14.4  13.2 1017.3  +0.0 nowF 60 //                              30 WW  kn  AWS Plymouth
2023 Sep 23 21 03840 8 19 15 74  13.5  10.1 1017.4  +0.3 nowF 23 //                              23 10m kn  AWS Dunkeswell
2023 Sep 23 21 03853 8 16 08 80  14.4   9.9 1017.8  +0.1 nowF                                    10 10m kn  AWS Yeovilton
2023 Sep 23 21 03672 0 19 04 81  12.4   7.6 1019.9  +1.2 R                                       06 10m kn  AWS Northolt
2023 Sep 23 21 03740 8 // // //  11.5   8.3 1018.6  +0.5 R    // //                                     kn  AWS Lyneham
2023 Sep 23 21 03743 8 18 03 80  11.4   8.2 1019.2  +0.7 nowF // //                              08 WW  kn  AWS Larkhill
2023 Sep 23 21 03746 8 17 04 //  11.4   8.3 1019.3  +0.7 R    // //                              08 WW  kn  AWS Boscombe Down
2023 Sep 23 21 03749 5 15 05 80  10.8   8.0 1019.4  +0.6 R                                       07 WW  kn  AWS Middle Wallop
2023 Sep 23 21 03769 0 23 02 82   8.2   7.1 1020.3  +1.1 nowS                                    02 10m kn  AWS Charlwood
2023 Sep 23 21 03770 / // // //  13.3   7.6                   // //                                     kn  AWS St James Park
2023 Sep 23 21 03772 0 17 07 81  13.0   8.1 1019.9  +1.2 R                                       10 10m kn  AWS Heathrow
2023 Sep 23 21 03781 3 20 03 82  10.9   7.3 1020.4  +1.2 nowS                                    05 10m kn  AWS Kenley
2023 Sep 23 21 03796 / 25 08 //  13.5   8.5 1021.1  +1.4 nowS // //                              11 10m kn  AWS Langdon Bay
2023 Sep 23 21 03797 0 22 05 80  10.6   7.6 1021.0  +1.6 nowS                                    06 10m kn  AWS Manston
2023 Sep 23 21 03857 8 18 14 74  16.0  10.4 1019.0  +0.4 nowF                                    20 10m kn  AWS Isle of Portland
2023 Sep 23 21 03862 8 21 07 80  15.4   9.0 1019.1  +0.3 nowF                                    13 10m kn  AWS Bournemouth Hurn
2023 Sep 23 21 03866 / 21 10 //  16.0   9.2 1019.7  +0.4 R    // //                              16 10m kn  AWS St Catherines Point
2023 Sep 23 21 03872 3 22 14 74  15.7   8.5 1020.1  +0.8 R                                       19 10m kn  AWS Thorney Island
2023 Sep 23 21 03876 / 22 13 //  15.2   8.9 1020.5  +1.0 R    // //                              20 10m kn  AWS Shoreham
2023 Sep 23 21 03882 1 22 02 58  11.2   8.6 1020.8  +1.0 nowS                                    03 10m kn  AWS Herstmonceux
2023 Sep 23 21 03894 7 19 12 83  16.0  10.3 1020.3  +0.8 nowR                                           kn      Guernsey Airport
2023 Sep 23 21 03895 8 19 13 80  16.0  10.5 1020.6  +0.9 R                                       19 10m kn  AWS Jersey Airport
2023 Sep 23 21 03901 8 16 09 30  12.8  12.7 1003.6  -1.8 F    50 //                              16 10m kn  AWS Thomastown
2023 Sep 23 21 03904 8 09 07 69  11.9  11.4 1004.0  -1.6 nowS 50 //                              12 WW  kn  AWS Castlederg
2023 Sep 23 21 03907 8 16 22 71  15.0  11.8 1003.9  -2.7 nowS 61 //                              31 10m kn  AWS Magilligan
2023 Sep 23 21 03911 8 13 10 23  12.2  11.8 1005.3  -2.2 F    61 //                              17 WW  kn  AWS Lough Fea
2023 Sep 23 21 03915 8 15 14 56  13.4  12.6 1005.1  -2.1 F    60 //                              23 WW  kn  AWS Port Glenone
2023 Sep 23 21 03916 8 16 16 26  12.5  11.2 1005.4  -2.4 nowF 60 //                              30 10m kn  AWS Ballypatrick Forest
2023 Sep 23 21 03917 8 14 16 80  14.0  12.7 1005.8  -2.4 nowS 61 //                              22 10m kn  AWS Aldergrove
2023 Sep 23 21 03923 8 18 20 19  13.4  12.9 1004.8  -2.5 nowS 60 //                              33 WW  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