Search results (2,814)

on height levels Fraction of horizontal grid square occupied by cloud in layers centred on height levels. 1 [YYYYMMDD]T[hhmm]Z-PT[nnnn]H[mm] M-cloud_amount_on_height_levels.nc Hourly (0-54) 3-hourly (51-120) Instantaneous cloud amount on pressure levels Fraction of horizontal grid square occupied

category should occur at least once and up to half the time • BECMG: a transition period when the alternative category should occur at least once • PROB30/40: the alternative category is forecast with a probability of 30% / 40% at each METAR time • PROB30/40 TEMPO: the alternative category is forecast

category should occur at least once and up to half the time • BECMG: a transition period when the alternative category should occur at least once • PROB30/40: the alternative category is forecast with a probability of 30% / 40% at each METAR time • PROB30/40 TEMPO: the alternative category

the RCM simulations. The use of two observations datasets (GPCP and TRMM) was to account for differences in and uncertainty around observed RODs (Huffman et al. 2009; Huffman and Bolvin 2011). The reanalysis datasets are the European Centre for Medium-Range Weather Forecasts (ECMWF) Interim Re

. The roof of a leisure centre in Helensburgh was torn off by the strong winds. Huge waves made conditions along the coast extremely dangerous. In Scotland, one fatality was reported in Ayrshire as a result of a falling tree. There was also a fatality reported from the storm in County Donegal, Republic

Sea ice briefing documents Monitoring sea ice at the poles To keep government informed about the state of the sea ice, scientists from the Met Office Hadley Centre produce sea ice briefings each year which are released at roughly monthly intervals throughout the summer. This page provides some

if they live close by, to remind them of some simple but important health tips such as heating their home to at least 18 C (64.4 F) and to keep up to date with the forecast. It’s also helpful to check they have enough food and drinks and any medicines they need. This will help them to stay warm and stay

by at least 10 degrees. Rainfall totals for the period since early March had been one-third of average resulting in dry soil and vegetation. Indeed, from 7 July to 13 August in some southern districts only 1 or 2 mm of rainfall was recorded, while in parts of Sussex, Kent and Essex there was no measurable

in the centre of northern England as snow redevelops through the course of Thursday and persist until early Friday. Here we could see up to 40cm of snow accompanied by strong winds causing blizzard conditions.”  Whilst the focus for the heaviest and most impactful snow looks to be focused over

). A tropical storm is a tropical cyclone with mean wind speeds of at least 39 m.p.h. The terms hurricane and typhoon are region-specific names for strong tropical cyclones with wind speeds of more than 73 m.p.h. The North Atlantic tropical storm season usually runs from June to November. The degree