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, Inner Hebrides, the UK’s lowest value since 936.8hPa on 24 December 2013 at Stornoway Airport, Western Isles - and since storm naming was introduced in autumn 2015. The latter was UK’s lowest pressure recorded since 1886 (Burt, 2007).* The analysis chart at 1200 UTC 24 December 2013 shows this low

; the lines of thunderstorms are clearly visible. The analysis chart at 1800UTC 26 September 2024 shows the next area of low pressure bringing further persistent, widespread and heavy rain. The rain-radar images at 0900UTC and 1630UTC 26 September show the heavy rainfall associated with this next area

and the forecasters on both sides needed all the information they could get in order to predict when the invasion might occur. Stagg and his teams relied on the synoptic charts to provide the information they needed. These charts identified both the bad weather which resulted in the postponement

The analysis chart at 0000UTC 27 September 2023 shows storm Agnes as a deep area of low pressure to the south-west of Ireland. At this stage the storm was at its most powerful, fortunately, 18 hours later, it had weakened significantly by the time it tracked across the UK. The analysis chart

Wet weather June 2019 The UK experienced a spell of very wet weather in mid-June as a low pressure system and associated fronts brought widespread and slow moving heavy rainfall. In parts of Lincolnshire around 2.5 times the monthly average rainfall fell from 10 to 12 June, and there was further

battered exposed coastlines, with damage to Aberystwyth promenade, while Isle of Wight ferry services were cancelled. Weather data The analysis chart at 1200 UTC 7 December 2021 shows storm Barra as the deep area of low pressure centred to the west of Ireland. The analysis chart at 1200 UTC 8

trees and power outages, with damage to the roof of the Titanic Belfast Museum. Weather data The analysis chart at 1200UTC 6 April 2024 shows storm Kathleen centred to the west of the UK with associated fronts sweeping north across the country. The central pressure from this storm was particularly deep

Weather charts and observational data for the first day of the Battle of the Somme

throughout the war. This is part of the synoptic chart for 1st July 1916 at 0700 just 30 minutes before the first allied solders went 'over the top'. It shows a ridge of high pressure over Europe bringing warm temperatures, south westerly winds and generally good weather. The chart includes

  Liquid water content tables  Regional pressure settings  Surface pressure  F215 low level significant weather  F214 spot winds  British Isles analysis chart  Reports, including  London CTA Helicopter Forecast  TAFs, METARs and Aerodrome Warnings  SIGMETs  Regional pressure settings  Volcanic ash advisories 

chart at 1200UTC 28 January 2024 shows the UK in a south-westerly flow, located in the ‘warm sector’ between warm and cold fronts, with an associated low pressure centre over Iceland. Typically, a warm sector would be associated with low cloud and patchy light rain. The visible satellite image