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• space_weather_impacts.pdf

  on technology driven systems, it is only in The likelihood Whilst severe events leading to total failure of GNSS are rare, relatively common space weather events can still have minor disruptions on navigation systems, which can still be significant to an industry where navigation is at the centre of its

• Briefing on Arctic and Antarctic sea ice - July 2023

  likely that this year will see a continuation of the post-2007 sea ice conditions, whereby every year since 2007 (inclusive) has recorded a September extent lower than every year before 2007. Each year, scientific centres around the world submit predictions of September Arctic sea ice extent

• 2022_04_december_low_temperatures

  of the low temperatures (with hard frosts lasting for well over a week), rather than the snowfalls, which were generally unexceptional for the time of year, and conditions were mitigated to some extent by some welcome winter sunshine and relatively light winds. The graph below compares UK area-average

• NCIC Monthly Summary

  ). The south-west had early mist or fog on the 3rd, and some areas began with patchy light rain or showers, lasting into the afternoon in places, then it became brighter but the far north had a few isolated showers later. Scattered showers in the north and the south-west died away during the 4th, leaving all

• NCIC Monthly Summary

  the afternoon. Coldest across southern counties early on the 18th, then bright or sunny for many, but cloudier in the north-west with patchy light rain arriving. Fog covered central and eastern areas first thing on the 19th, which was also frosty in some places, then it was generally sunny, but the far south

• nma_policy_collections_care_and_conservation.pdf

  light: 50 – 250 lux, depending on the light sensitivity of the item o UV radiation: less than 75 mw/lm (micro watts per lumen) o Display case construction: where appropriate, items on display will be cased and the internal case environments tailored to suit the items within. o Storage: where practicable

• helibrief_help_-_aerodrome_actual_weather_-_metar_decode.pdf

  . (Not from UK civil aerodromes) 5 Present weather + = Heavy (well developed in the case of +FC and +PO); - = Light; no qualifier = Moderate. BC=Patches BL=Blowing BR=Mist DR=Drifting DS=Duststorm DU=Dust DZ=Drizzle FC=Funnel cloud FG=Fog FU=Smoke FZ=Freezing GR=Hail (>5mm) GS=Small hail or snow pellets

• helibrief_help_-_aerodrome_actual_weather_-_metar_decodepdf

  . (Not from UK civil aerodromes) 5 Present weather + = Heavy (well developed in the case of +FC and +PO); - = Light; no qualifier = Moderate. BC=Patches BL=Blowing BR=Mist DR=Drifting DS=Duststorm DU=Dust DZ=Drizzle FC=Funnel cloud FG=Fog FU=Smoke FZ=Freezing GR=Hail (>5mm) GS=Small hail or snow pellets

• wiser0306_highway-project-flyer_en.pdf

  Weather Rainfall distribution Visibility Hazards Sunday Morning Wide spread thunder rain Moderate Variable Moderate waves Wide spread thunder rain Many places Moderate Sunday Afternoon Moderate West Smallwaves Sunny intervals Good Night before midnight Light West Smallwaves Partly cloudy Night

• nma_policy_collections_care_and_conservationpdf

  light: 50 – 250 lux, depending on the light sensitivity of the item o UV radiation: less than 75 mw/lm (micro watts per lumen) o Display case construction: where appropriate, items on display will be cased and the internal case environments tailored to suit the items within. o Storage: where practicable