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• Radiative transfer in the atmosphere

  The representation of solar and infra-red radiation, and its interaction with clouds in our numerical models.

  Various radiative processes occur in the atmosphere: gases, aerosols, cloud droplets and ice crystals absorb radiation and emit thermal radiation. Aerosols, cloud particles and air molecules scatter radiation. The surface absorbs, reflects and emits radiation. The radiative properties

• mwr_2025_05_for_print.pdf

  spring on record. Mean temperatures for spring were just ahead of the previous record of 2024, whilst the record sunshine hours surpassed those of the Covid spring of 2020. The late burst of Atlantic mobility was sufficient to bring monthly rainfall totals across parts of the north Midlands, northwest

• mwr_2025_05_for_printpdf

  spring on record. Mean temperatures for spring were just ahead of the previous record of 2024, whilst the record sunshine hours surpassed those of the Covid spring of 2020. The late burst of Atlantic mobility was sufficient to bring monthly rainfall totals across parts of the north Midlands, northwest

• D1_5_WXRCALMON2023 FRENOLFI PRESENTATION_compressed

  smoothed power versus range of real radar data contaminated with RFI. • Presence of interference pulses from several sources is visible from 40km, where the power level of the received echoes is below the RFI. Smoothed power vs. range plot of the 54 pulses of the burst at azimuth 324° (V polarization

• NCIC Monthly Summary

  coastal counties. The 2nd was overcast for all parts too, with patchy rain or drizzle over the south-east, cloud breaking in the north-west later on. The 3rd was again cloudy, though remaining mostly dry, with cloud tending to break in southern areas during the morning. The 4th was brighter

• NCIC Monthly Summary

  elsewhere, and a spell of rain moving slowly and erratically east through the day with brighter skies then following from the west. The 3rd saw variable amounts of cloud, with showers affecting the north and the Midlands but becoming more restricted in extent later in the day. The south-eastern half began

• 02413-getmet-update-v6.pdf

  = No significant weather 8 Cloud FEW005 SCT010 SCT018CB BKN025 9 Significant changes Probability Time Change indicator Met. groups PROB30 1314/1316 BECMG 1314/1316 FM131400 TSRA BKN010CB ‘Few at five hundred feet, scattered at one thousand feet, scattered cumulonimbus at one thousand eight hundred feet

• 02413-getmet-update-v5.pdf

  = calm. Wind direction is given in degrees true 8000 ‘Eight kilometres’ 9999 = 10 km or more; 0000 = less than 50 metres 7 Significant weather -SHRA ‘Light rain showers’ See present weather table on METAR (page 18) for details; NSW = No significant weather 8 Cloud FEW005 SCT010 SCT018CB BKN025 9

• 02413-getmet-update-v5pdf

  = calm. Wind direction is given in degrees true 8000 ‘Eight kilometres’ 9999 = 10 km or more; 0000 = less than 50 metres 7 Significant weather -SHRA ‘Light rain showers’ See present weather table on METAR (page 18) for details; NSW = No significant weather 8 Cloud FEW005 SCT010 SCT018CB BKN025 9

• Met Office daily weather: A settled spell for most, but breezy in the north and east

  Thursday will begin with a few early mist and fog patches, particularly in rural areas. These will steadily lift through the morning, leaving most places dry with a mix of variable cloud and sunny spells. The far northwest and the far southeast may see cloudier skies at times, with the odd light