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activity) and winds at low levels, circulating either anti-clockwise in the northern hemisphere or clockwise in the southern hemisphere. A tropical storm is a tropical cyclone with mean wind speeds of at least 39 m.p.h. The terms hurricane and typhoon are regionally-specific names for a strong

November 2020 shows a further deep area of low pressure (containing the remnants of ex-hurricane Zeta) to the west of Scotland, with associated fronts sweeping across the UK. 1 Storm Aiden was the first named storm of the 2020/2021 season under the Name our Storms collaboration between the Met Office, Met

-minute MSW Comments on Met Office global model forecasts Adrian (01E) 27 June - 02 July 970 mb, 90 knots Track forecast errors were above the recent mean for this hurricane. Beatriz (02E) 29 June - 01 July 991 mb, 75 knots Track forecast errors were a little higher than the recent mean. Calvin (03E) 11

that portrays the weather in an interesting and thought-provoking way. Activity steps 01 Research What different types of extreme weather events have you heard about? Have a look online to find out about how storms, hurricanes, tornadoes, blizzards, flooding, heatwaves and others have been

This weekend the UK will be influenced by two active low-pressure systems, as Storm Aiden brings heavy rain and strong winds on Saturday, followed the remains of ex-Hurricane Zeta on Sunday.

: “As the heavy rain and strong winds from Storm Aiden sweeps eastwards on Saturday, another system quickly follows on Sunday that contains the remnants of ex-Hurricane Zeta, bringing further heavy rain and strong winds. Flood risk “Given that this is falling on already saturated ground from what has

-pressure sweeps northeastwards past northwest Britain.  Another system quickly follows on Sunday that contains the remnants of ex-Hurricane Zeta, bringing further heavy rain and strong winds. “Given that this is falling on already saturated ground from what has been a wet October, there is an increased

low and skill scores high with just a slight slow bias for this hurricane. Beatriz (02E) 19-22 June 75/- knots Forecast tracks were too far to the left resulting in a failure to predict the proximity of the track to land. Calvin (03E) 07-10 July 70 knots Calvin was relatively short lived. Track

2020 2020 has seen an especially active Atlantic Hurricane season. At the time of writing in early October the pre-determined list of 21 names for Atlantic storms has already been exhausted and Greek characters are now being used. This has only happened once before in the very active 2005 hurricane

-of-track bias during recurvature and the model tended to weaken the storm too soon. Gilma (07E) 07-11 August 70 knots Track forecast errors were low and skill scores high for this hurricane. Hector (08E) 11-17 August 45 knots Track forecast errors were low for this storm, although the model failed

expressions of moderate and cloudy etc. etc.'. Beaufort's first scale had 13 forces and he also developed a series of 'weather letters' which could be used to describe various states of the sky. Beaufort revised his scale in 1807 to the more familiar 12 forces with the strongest being described as 'hurricane