Search results (3254)

Web results

• PowerPoint Presentation

  the coolest and the 100th percentile being the warmest in the 1981-2010 climatology. Orange and red shading represent values above the 80th (Warm) and 90th (Hot) percentile, respectively; regions shaded in light and dark blue indicate values below the 20th (Cool) and 10th (Cold) percentile

• Guide to our Data Collections

  Governmental involvement. 1. RETURNS, REGISTERS, LOGS AND SUMMARIES — COLLATED DATA  Daily Registers  Climatological Returns  Lustrum forms  Ship, light vessel and light house logs Rainfall cards  Ten year rainfall books Daily Weather Summaries  Monthly Weather Summaries  British Rainfall  2. PRIVATE WEATHER DIARIES 3. AUTOGRAPHIC RECORDS 4. CHARTS 5. FORECAST INFORMATION 

• BlendedProbabilisticForecastparametercatalogue3xlsx

  ) Probability of any lightning flashes occuring in a 30km square region centred on a given point (approx. 15km radius). In each model grid cell the number of lightning flashes per square metre in the previous hour is calculated. The maximum of all of these values within a 30km square region (approx

• blended-probabilistic-forecast-parameter-catalogue.xlsx

  ) Probability of any lightning flashes occuring in a 30km square region centred on a given point (approx. 15km radius). In each model grid cell the number of lightning flashes per square metre in the previous hour is calculated. The maximum of all of these values within a 30km square region (approx

• PowerPoint Presentation

  to August - Rainfall El Niño-Southern Oscillation (ENSO) – Following the recent La Niña, sea surface temperatures in the tropical Pacific have returned to around normal with ENSO now in a neutral state. There are some mixed signals from various modelling centres regarding the evolution of ENSO later

• NCIC Monthly Summary

  but with showers over the far south-west and near eastern coasts. The 5th began frosty in many central and southern counties, brightest in the south-east, but cloudier elsewhere, with patchy light rain mainly in the north-west. The 6th was windy, starting with patchy rain in many places, but a band

• NCIC Monthly Summary

  brighter. Patchy rain and drizzle in eastern parts on the 30th became more showery later; in western areas cloud broke up to allow warm sunshine, though enough cloud built up in the south-west during the afternoon for isolated light showers to develop. Wales diary of highlights The first part

• PowerPoint Presentation

  conditions across the equatorial Pacific. Both NOAA and the Bureau of Metrology in Australia (BoM) have declared that La Niña is present. According to the latest forecasts, from the WMO Global Producing Centres for Seasonal Prediction, La Niña is the most likely outcome over the next few months

• PowerPoint Presentation

  the likelihood of La Niña developing increases. By late autumn (October-November-December period), NOAA Climate Prediction Centre gives a 50- 60 % chance of a short-lived La Niña event while the likelihood of ENSO remaining neutral is around 40 %. In contrast, output from the Australian Bureau

• PowerPoint Presentation

  % likelihood in NOAA forecast). While forecasts looking this far ahead are inherently uncertain, particularly when issued at this time of year, there is a consistent message emerging from many international modelling centres. Much More Likely Below Normal Near-Normal Above Normal Likely Likely Much More