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as a smaller section of warm front along a longer cold front. Instead of brightening skies, we end up with a prolonged spell of wet weather instead. The wave ripples along the cold front in a similar way to an oscillation moving along a skipping rope that has been flicked up and down at just the right
, in certain circumstances, it can set up a train of large standing waves in the air downstream, rather like ripples forming in a river when water flows over an obstruction. If there is enough moisture in the air, the rising motion of the wave will cause water vapour to condense, forming the unique
instantly. This intense heating causes the air to rapidly expand outward into the cooler air surrounding it creating a rippling shockwave which we hear as a rumbling thunder clap. Depending on its formation and location, this thunder clap can be heard as either a sudden, loud crack or a low, long rumble
Cirrocumulus is a relatively rare cloud, forming ripples which may resemble honeycomb.
levels. Composed almost entirely from ice crystals, the little cloudlets are regularly spaced, often arranged as ripples in the sky. Cirrocumulus can sometimes appear to look like the scaly skin of a fish and is referred to as a mackerel sky. How do cirrocumulus clouds form? Cirrocumulus cloudlets
air 0.1 0.1 1 Calm (rippled) 2 5 3 4-6 2-3 Light breeze 0.2 0.3 2 Smooth (wavelets) 3 9 5 7-10 4-5 Gentle breeze 0.6 1.0 3 Slight 4 13 7 11-16 6-8 Moderate breeze 1.0 1.5 3-4 Slight - Moderate 5 19 10 17-21 9-11 Fresh breeze 2.0 2.5 4 Moderate 6 24 12 22-27 11-14 Strong breeze 3.0 4.0 5 Rough 7 30
The newest cloud type, asperitas formations are rare and resemble rippling ocean waves in the sky.
Height of base: 4,000 - 10,000 ft Shape: Undulating waves Latin: aspero - make rough or uneven What is asperitas cloud? Asperitas (formerly referred to as Undulatus Asperitas) is a distinctive, but relatively rare cloud formation that takes the appearance of rippling waves. These wave-like
is present, with ripples on the surface indicating a flow of water out to sea. 2. Rip currents do not pull you underwater Rips take you away from the beach, and often eventually back to the waves. Rip current related drowning is therefore due to panic and fatigue. 3. There is no such thing as a "rip
services - November 2020 ENACTS Climate Services Initiative Ripples Across East Africa with WISER Support - November 2020 WISER Support to ICPAC (W2SIP) Project Infographic - December 2021 WISER Support to ICPAC (W2SIP) Project Summary - December 2021 You may also be interested in the following
40 years. As the dust was low in the atmosphere it interacted with the land-masses of the Canary Islands producing ripples in the wake of the islands which can be seen in this true-colour image from NASA's Terra satellite. Further ripples can be seen in the dust where it passes from the African
categories according to the height of their base above the ground: high clouds, medium clouds and low clouds. High clouds High clouds are usually composed solely of ice crystals and have a base between 18,000 and 45,000 feet (5,500 and 14,000 metres). Cirrus - white filaments Cirrocumulus - small rippled
