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of the ten most significant winter storms to affect the UK since the storm naming system was introduced for the 2015/2016 season. Corrie, arriving only 36 hours later, brought further damaging winds, with gusts reaching 80Kt (92mph) at Stornoway Airport (Western Isles) and 79Kt (91mph) at Inverbervie
Volcanic Ash – T+0 annotated satellite image Issued 1200 UTC on Tue 12 May 2015 HIGH CONFIDENCE- -ASH detected from Katla by radar to FL490. HIGH CONFIDENCE- -Bright returns on satellite imagery are meteorological cloud and NOT ASH. HIGH CONFIDENCE- - -LIDAR detection of ash at Stornoway at FL150 at 12/1200Z. © Crown copyright Met Office
Volcanic Ash – T+0 annotated satellite TEST image Issued 0700 UTC on Wed 14 Aug 2014 TEST TEST TEST HIGH CONFIDENCE- -VA discernable to FL400 on RGB satellite imagery (TEST TEST TEST) X MEDIUM CONFIDENCE- - Possible VA detected at FL200 on Stornoway LIDAR, but not clear on RGB (TEST TEST TEST) © Crown copyright Met Office
Volcanic Ash – T+0 annotated satellite image Issued 0500 UTC on Wed 13 Aug 2014 TEST TEST TEST HIGH CONFIDENCE VA discernable on satellite imagery and for previous 5 hours LOW CONFIDENCE PIREP report of VA at FL260 but not discernable on imagery. HIGH CONFIDENCE VA discernable on Stornoway LIDAR FL240-FL280 MEDIUM CONFIDENCE VA discernable in this area 2 hours ago but currently obscured by cloud © Crown copyright Met Office
Volcanic Ash – T+0 annotated satellite image Issued 0200 UTC on Tue 12 Aug 2014 TEST TEST TEST TEST TEST TEST LOW CONFIDENCE- PIREP report of VA at FL220 BUT not discernible on imagery HIGH CONFIDENCE IMO radar discerning VA to FL460 and discernible on imagery AND LIDAR at Stornoway shows layers between FL260 and FL380 MEDIUM CONFIDENCE VA detected on Lossiemouth LIDAR FL180-FL230. TEST TEST TEST © Crown copyright Met Office
Midlands Exeter Farnborough Gatwick Glasgow Gloucester Heathrow Humberside Inverness Isles of Scilly (St Mary's) Kirkwall Leeds London City Manchester Newcastle Norwich Prestwick Ronaldsway Shoreham Southampton Southend Stansted Stornoway Sumburgh Teeside Tiree Unst Wick Aberdeen Return to Available
discernable on imagery over Faeroes to south and east of Shetland. Lidar at Stornoway has signal of VA near FL250 MEDIUM CONFIDENCE - Thick cloud obscuring any potentia BUT – VA was discernable in earlier images TEST TEST TEST TEST TEST TEST LOW CONFIDENCE- PIREP report of VA at FL180 near French coast and Bay of Biscay. BUT not discernable on imagery © Crown copyright Met Office
UTC 13 March, 0600 UTC 14 March and 1800 UTC 16 March. The chart below shows hourly mean sea level pressure at Capel Curig (Conwy) and Stornoway (Western Isles) from 24 February to 17 March 2019. The chart shows high pressure in late February (associated with mainly fine, dry, settled conditions
Highest Maximum Temperature - 13 June 25.0 °C at Gravesend, Broadness (Kent) Lowest Minimum Temperature - 14 June -2.5 °C at Kinbrace, Hatchery (Sutherland) Most Rainfall - 14 June 97.7 mm at Harlow Hill Reservoir (North Yorkshire) Most Sunshine - 15 June 16.6 hours at Stornoway Airport (Western Isles
.) at Stornoway. The synoptic chart at 0000 GMT 12 January 2005 Map of highest gusts 11-12 January 2005 Station County Highest hourly mean (knots) Extreme January 2005 winds Highest Date Comments # gust (knots) Great Dun Highest hourly mean and highest gust 1994-2009. High Cumbria 84 111 8th Fell (847 m) level
