Weather log October 2018
Key
WW = West Wales
Lwn = Llanwnnen
LL = Long Lawford
CL = Church Lawford
CC = Capel Curig
MH = Milford Haven
Mids = Midlands
COL = Climatological Observers Link
PWS = Personal weather station
Key
WW = West Wales
Lwn = Llanwnnen
LL = Long Lawford
CL = Church Lawford
CC = Capel Curig
MH = Milford Haven
Mids = Midlands
COL = Climatological Observers Link
PWS = Personal weather station
Fairly dry start to the month:
Sat 6th very cool rain at times Midlands, many places max below 10c; WW and Marches rain cleared early to sunny spells (max CL 9.2c, Shawbury 11.2c, CC 10.0c, Llanwnnen 12.4c, Pembrey 14.0c)..
Sun 7th widespread frost (Llanwnnen -2.8c, Swyddfynnon -1.9c, Pershore -1.6c, CL 0c)
Tue 9th Wellesbourne 10.1 hours sunniest in UK, Wellesbourne 20.6c max, Midlands having a warm day
Wed 10th unseasonable warmth and near unbroken sunshine: Pershore max 24.2c, Mona 24.0c, Trawsgoed 22.8c, Lwn 22.2c, Milford Haven 19.0c. Here at Llanwnnen it was the highest reading so far into October (cf though 26.4c 01/10/11 and 19.9c 01/11/15). At Bablake max 23.2c was the latest 23c since 1892 (cf 22.8c 13/10/1990)
Thu 11th warm night, minima Valley 15.8c, Pershore 14.9c, Lwn 13.3c, Nottingham 12.1c; Pembrey 36mm wettest in UK.
Fri 12th very wet much of Wales, radar suggested over 200mm for some high ground such as Brecon Beacons. Libanus, Powys 138.6mm wettest in UK, with approx 67mm for the 24 hours to midnight at Lwn. Gales also for Wales, 63mph gust Lwn was strongest recorded here (srb 2013).
Sat 13th minima above 19c parts of SE and almost a UK October record night, Coventry and CL min about 17c. More very wet weather as fronts lingered WW with extensive flooding: 24 hour totals to 0900 Libanus 167.2mm (190.4mm in 48 hours), Tredegar 102.6mm and Tirabad 85.2mm (all in Powys). Friday 12th was easily the wettest day on record here at Llanwnnen with a total c. 80.6mm (beating 55.5mm 16th July 2009). 24 hour totals to 2100 Capel Curig 80mm, Trawsgoed 59mm, Pembrey 50mm. Severe flooding reported across SW Wales, such as Lampeter and Carmarthen. In stark contrast a warm bright day for much of the Midlands after some early rain, max 22 to 24c (Donna Nook, Lincs max 26.5c, Wellesbourne 23.4c, Coventry and Rugby c 23c)
Sun 14th many parts of SW Wales ended up with over 100mm in the past two days, and radar suggested over 400mm for some hills such as Brecon Beacons. At Llanwnnen a staggering 3 days total of 150.8mm for the 72 hours to 0900, with 126mm or 5 inches of this falling between 0300 12th and 1400 13th or within a 36 hour period. Thankfully the floods and receded for our drive home from Coventry and the day ended up dry and bright in Wales! Midlands saw some wet weather as Wales cleared up, with 20mm or so in places..(LL 17.3mm)
Sun 21st back to a mostly dry week: today bright and warm much of Midlands; cooler, cloudier, some drizzle WW (Pershore 19.0c, Coleshill & Shobdon 18.3c, Shawbury 15.9c, Mumbles 15.7c, Lwn 13.8c, Aberdaron 13.1c)
Cool/ cold end to month with notable frosts:
Fri 26th very cool and showery, some wintry showers high ground; plentiful rain and hail showers WW; central and east Mids mostly dry (max Tirabad 7.6c, Coleshill 8.9c, Lwn 9.3c, Pembrey 10.8c, Pershore 11.1c)
Sat 27th wintry showers in places, parts of W Midlands in particular seeing snow showers early in the day..very cold day for October, particularly Midlands where some places did not exceed 5c, Bablake high 5.2c suggests it was the coldest October day since 1950 (5.0c) Other max Coleshill & Tirabad 5.3c, Shobdon 6.7c, Lwn 7.6c, Milford Haven & Pembrey 8.8c, Porthmadog 9.3c
Mon 29th widespread frost was sharp in places, here at Llanwnnen min -6.1c was the coldest on record for October (beating -5.6c 25/10/10). Other minima Pershore -4.9c, CC -4.7c, Trawsgoed -4c. Another very cool/ cold late October day in spite of plentiful sunshine, maxima Tirabad 5.4c, Lwn 6.7c, Pershore 8.6c, Pembrey 9.2c, Porthmadog 9.9c; Wellesbourne 8.8 hrs sun; Aberporth 8.6 hrs, Lwn est 8.5 hrs)
Tue 30th another widespread frost, this severe over much of Wales, Llanwnnen min -8.0c smashing yesterdays record. Other minima Tirabad -7.3c, Trawsgoed -5.3c, Newport, Salop & Pembrey -3.9c, Shawbury -3.7c, Mumbles +1.2c, Nottingham 1.5c (Midlands clouded over). Derek Brockway said min -8c at St Harmon was the lowest in October in Wales for 21 years; checked in COL Presteign had -8.1c 29/10/97. Checking further online the St Harmon site stated in fact was min -8.6c which is lower than in 1997. Also a PWS Davis Vantage Pro near New Radnor had min -8.7c, Another lovely sunny day..
Wed 31st another widespread, in places sharp frost (min Shobdon -5.6c, Llanwnnen -4.9c, Aberdaron & MH 6.0c). A milder day.. generally 11 to 13c (MH 12.7c, Pershore 12.6c, Lwn 12.4c, Mona 10.0c). Thundery downpours over Wales during the evening in contrast! Fair bit of lightning aand a rumble of thunder here at Llanwnnen..
Cool/ cold end to month with notable frosts:
Fri 26th very cool and showery, some wintry showers high ground; plentiful rain and hail showers WW; central and east Mids mostly dry (max Tirabad 7.6c, Coleshill 8.9c, Lwn 9.3c, Pembrey 10.8c, Pershore 11.1c)
Sat 27th wintry showers in places, parts of W Midlands in particular seeing snow showers early in the day..very cold day for October, particularly Midlands where some places did not exceed 5c, Bablake high 5.2c suggests it was the coldest October day since 1950 (5.0c) Other max Coleshill & Tirabad 5.3c, Shobdon 6.7c, Lwn 7.6c, Milford Haven & Pembrey 8.8c, Porthmadog 9.3c
Mon 29th widespread frost was sharp in places, here at Llanwnnen min -6.1c was the coldest on record for October (beating -5.6c 25/10/10). Other minima Pershore -4.9c, CC -4.7c, Trawsgoed -4c. Another very cool/ cold late October day in spite of plentiful sunshine, maxima Tirabad 5.4c, Lwn 6.7c, Pershore 8.6c, Pembrey 9.2c, Porthmadog 9.9c; Wellesbourne 8.8 hrs sun; Aberporth 8.6 hrs, Lwn est 8.5 hrs)
Tue 30th another widespread frost, this severe over much of Wales, Llanwnnen min -8.0c smashing yesterdays record. Other minima Tirabad -7.3c, Trawsgoed -5.3c, Newport, Salop & Pembrey -3.9c, Shawbury -3.7c, Mumbles +1.2c, Nottingham 1.5c (Midlands clouded over). Derek Brockway said min -8c at St Harmon was the lowest in October in Wales for 21 years; checked in COL Presteign had -8.1c 29/10/97. Checking further online the St Harmon site stated in fact was min -8.6c which is lower than in 1997. Also a PWS Davis Vantage Pro near New Radnor had min -8.7c, Another lovely sunny day..
Wed 31st another widespread, in places sharp frost (min Shobdon -5.6c, Llanwnnen -4.9c, Aberdaron & MH 6.0c). A milder day.. generally 11 to 13c (MH 12.7c, Pershore 12.6c, Lwn 12.4c, Mona 10.0c). Thundery downpours over Wales during the evening in contrast! Fair bit of lightning aand a rumble of thunder here at Llanwnnen..
Nature notes:
Fieldfare and Redwing arrived mid month
Decent late blooms of Red Campion this month (since late September?) particularly where hedgebanks had an Autumn trim.
Late month Starling flocks numbering 100-200 low flying above my head over Llanwnnen fields
October 2018 summary:
Average to quite cool temperatures: SW Wales average to rather wet excepting dry Swansea area; NW Wales and Midlands generally rather dry; sunshine near to rather above average
Rainfall totals:
Capel Curig 197.4mm (66%)
Valley 99.0mm (98%)
Aberdaron 96.8mm (91%)
Trawsgoed 138.0mm (95%)
Aberporth 132.8mm (119%)
Llanwnnen 203.2mm (142%) note: 75% in just 3 days 11th to 13th
Milford Haven 92.4mm
Mumbles, Swansea 67.6mm (55%)
Nottingham 39.4mm
Coventry, Bablake 41.2mm (59%)
Long Lawford 42.5mm (75%)
Church Lawford c 43mm
Shawbury, Salop 51.2mm (75%)
Shobdon, Herefordshire 66.6mm (76%)
Hereford 55.8mm (71%)
PWS:
Bont Godolfan, Powys (near Machylleth) 47.8mm
Llangeitho 154.7mm
Abermeurig Bont, Talsarn 144.8mm
Llanelli 72.9mm
Lawrenny, Pembs 68.6mm
Longford, Coventry 39.1mm
Bulkington 36.1mm
Dunchurch 35.1mm
Crick, Northants 44.2mm
Daventry 38.6mm
Radford Semele 52.1mm
Shirley, Solihull 47.8mm
Alvechurch 48.3mm
Harborne, Brum 42.4mm
Edgebaston, Brum 48.8mm
Malvern Wells 59.4mm
Sunshine totals Oct 2018:
Llanwnnen estimated from webcam captures 99 hours (111%)
Valley 96.3 hrs (96%)
Aberdaron 104.5 hrs
Aberporth 97.9 hrs (95%)
Nottingham 111.0 hrs
Coventry, Bablake school 128.1 hrs
Shawbury, Salop 98.1 hrs (108%)
Shobdon 115.4 hrs
Decent late blooms of Red Campion this month (since late September?) particularly where hedgebanks had an Autumn trim.
Late month Starling flocks numbering 100-200 low flying above my head over Llanwnnen fields
October 2018 summary:
Average to quite cool temperatures: SW Wales average to rather wet excepting dry Swansea area; NW Wales and Midlands generally rather dry; sunshine near to rather above average
Rainfall totals:
Capel Curig 197.4mm (66%)
Valley 99.0mm (98%)
Aberdaron 96.8mm (91%)
Trawsgoed 138.0mm (95%)
Aberporth 132.8mm (119%)
Llanwnnen 203.2mm (142%) note: 75% in just 3 days 11th to 13th
Milford Haven 92.4mm
Mumbles, Swansea 67.6mm (55%)
Nottingham 39.4mm
Coventry, Bablake 41.2mm (59%)
Long Lawford 42.5mm (75%)
Church Lawford c 43mm
Shawbury, Salop 51.2mm (75%)
Shobdon, Herefordshire 66.6mm (76%)
Hereford 55.8mm (71%)
PWS:
Bont Godolfan, Powys (near Machylleth) 47.8mm
Llangeitho 154.7mm
Abermeurig Bont, Talsarn 144.8mm
Llanelli 72.9mm
Lawrenny, Pembs 68.6mm
Longford, Coventry 39.1mm
Bulkington 36.1mm
Dunchurch 35.1mm
Crick, Northants 44.2mm
Daventry 38.6mm
Radford Semele 52.1mm
Shirley, Solihull 47.8mm
Alvechurch 48.3mm
Harborne, Brum 42.4mm
Edgebaston, Brum 48.8mm
Malvern Wells 59.4mm
Sunshine totals Oct 2018:
Llanwnnen estimated from webcam captures 99 hours (111%)
Valley 96.3 hrs (96%)
Aberdaron 104.5 hrs
Aberporth 97.9 hrs (95%)
Nottingham 111.0 hrs
Coventry, Bablake school 128.1 hrs
Shawbury, Salop 98.1 hrs (108%)
Shobdon 115.4 hrs
