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FL020 Significant wave height Triggered lightning Links to other resources Links to print packs Print packs for each base, containing: T0 North Atlantic surface pressure chart T+24 North Atlantic surface pressure chart British Isles analysis chart 2000ft wind charts F215 low level significant weather

only surface synoptic pressure, monthly SST and sea-ice observations over the last 200+ years. 20th Century Reanalysis Project: 1891-2008 [Released]. 20th Century Reanalysis Project: 1871-2008 [Autumn 2010]. Surface Input Reanalysis for Climate Applications (SIRCA): 1800-2016 [Autumn 2017

enabled. Application configurable to the Police base selected on the home page. Home page displays an overview of: Colour states Precipitation rate Surface visibility Wind FL020 Lightning Cloud, fog and surface pressure Weather shown on interactive map: Colour states - similar METAR colour state

(February 2016) and known issues. Current features HeliBrief® HEMS is iPad enabled. Application configurable to the one of 36 locations selected on the home page. Home page displays an overview of: Colour states Precipitation rate Surface visibility Wind FL020 Lightning Cloud, fog and surface pressure

imagery Surface pressure analysis and forecast charts. Resource Description Approx. size (kB) image/wxfcs/surfacepressure/datatype/capabilities Returns when the current surface pressure charts were issued, the time steps available, and the URIs of the surface pressure synoptic analysis and forecast

on the ticks in the table below.   Product Free Version Premium version Synoptic (surface pressure) charts - 00UTC model run, out to T+84 ✔ ✔ Synoptic (surface pressure) charts - 12UTC model run, out to T+120   ✔ Low Level Briefing Charts - Forms F215, F214, F414, F415 ✔ ✔ High level significant weather

Surface pressure chart data tutorial UK hourly site-specific observations tutorial Forecast and observation layer tutorials Marine observation tutorial Mountain weather forecast tutorial National and regional text forecast tutorial UK 3-hourly site-specific forecast tutorial UK daily site-specific forecast tutorial Regional extremes observations  tutorial

. Return to top Print Packs A selection of Print Pack documents can be downloaded containing the latest, or most relevant, weather information for a variety of areas around the UK. Print Packs comprise, in order: - Surface pressure analysis - the latest chart covering the UK. - Low level significant

products: site specific data map overlays charts UK hourly site-specific observations Hourly observations for the last 24 hours Lightning strikes map layer Image showing lightning strike frequency provided as a map overlay Surface pressure charts Pressure levels and weather fronts

aerosol.  Initialisation is achieved by relaxing to full-depth analyses of ocean temperature and salinity, and atmosphere analyses of winds, temperature and surface pressure.  Tests for past cases show that initialisation improves the forecast skill of globally-averaged surface temperature throughout