Search results (207)

Web results

• scipsa_gcm_verification_finalpdf

  .......................................................................................... 14 2.5 Reliability diagrams ................................................................................................... 15 2.6 Sharpness diagrams .................................................................................................. 16

• Global_Seamless_Modelling_workshop_mittermaier.pptx

  it actually is). © Crown Copyright 2025 Met Office From the user perspective there is a problem though… High spread high epistemic uncertainty Low spread model agrees and high confidence Spread is desirable Too much spread no guidance undesirable Ensemble members follow control undesirable Sharp

• April 2026 weather quiz: Test your knowledge

  Office Fri 15 May 2026 April brought a real mix of spring weather across the UK, from long spells of sunshine and warmth for many to sharp regional contrasts in rainfall. High pressure frequently dominated, keeping conditions dry in some areas, while other parts of the country saw more changeable

• Factsheets

  in temperature and humidity. Air masses are separated by transition zones or boundaries that may be more sharply defined - these are called fronts. Air masses and weather fronts (Factsheet 10) 11. Interpreting weather charts On a weather chart, lines joining places with equal sea-level pressures are called

• England’s warmest June on record – the second warmest for the UK and Wales

  in the first half of the month. Conditions began to shift around mid-month, as high pressure built over continental Europe, allowing much warmer air to be drawn northwards towards the UK. This graph shows the sharp rise in mean temperatures from the middle of June. Exceptional late June heatwave

• Arctic and Antarctic end-of-season report – October 2021

  extent of 18.53 million sq km was recorded on 30th August. Extent has fallen sharply since, reaching 17.85 million sq km by 10th October. From this time of year onwards Antarctic sea ice extent tends to fall rapidly as the sun rises towards its peak in the Southern Hemisphere, hence it is very likely

• NCIC Monthly Summary

  , but cloudier in the south-west where there was some persistent rain on the 5th. It continued generally sunny and increasingly warm from the 7th to 9th, but with isolated sharp showers, some of which were thundery on the 9th, particularly in the north-west. 10th to 15th A northerly outbreak brought

• El Niño on the way?

  for the sea surface temperature anomaly in the equatorial Pacific Ocean. The forecasts all indicate a sharp rise from the current neutral state to El Niño conditions (+0.5°C anomaly) by Summer this year. While there is still considerable uncertainty in the magnitude of the event, some of these latest

• Observed and forecast tracks: southern hemisphere 2024-25

  the landfall location was farther east than predicted. Alfred (18P) 22 February - 08 March 951 mb, 115/90 knots Despite having a slow and right-of-track bias in several forecasts track forecast errors were below the recent mean values at most lead times. The sharp turn westwards towards landfall over

• Week ahead: Unsettled start but warming towards the end of the week

  should stay alert to the risk of sharp overnight temperatures. Later in the week, temperatures begin to recover, with a growing chance of more unsettled weather heading into the weekend. Tuesday night into Wednesday: frost risk increases As skies clear overnight, winds will ease and temperatures