The eye detects no joint in her skin plating save the sweeping hair-crack of the bow-rudder--Magniac's rudder that assured us the dominion of the unstable air
and left its inventor penniless and half-blind.
With an unstable air
mass affecting the area, clouds are likely to develop by afternoon on Tuesday and showers and isolated thunderstorms are expected mainly in the mountains, but also inland and possibly on the south and east coasts.
Met Office meteorologist Greg Dewhurst told PA the ingredients needed for a tornado are unstable air
through stormy conditions and 'wind shear'.
With mostly moderate northwest winds, a cold front is passing through the country that will cause unstable air
They can be caused by a combination of unstable air
, solar heating, orographic lifting and an atmospheric trigger that lifts moist air parcels into areas of instability, amplifying buoyancy and propelling a building cumulus cloud to ever greater heights.
The unstable air
may also play a secondary role in putting off flies from landing on zebras.
Hailstorms happen when there is a formation of cumulonimbus clouds due to unstable air
mass in the atmosphere, according to the PDRRMC.
However, it is not a perfect predictor of thunderstorms since they not only require unstable air
but also moisture and a lifting mechanism.
At the same time, unstable air
is creating a strong rising motion, sending plumes of black smoke and heat sky-high.
CAPE provides a measure of the maximum possible kinetic energy that a statically unstable air
parcel can acquire.
The Met Office said the atrocious weather was a result of a fast-moving and active "unstable air
Although the risk of flooding is believed to be low, the Met Office's chief forecaster said: "A front coming from the Atlantic will merge with warm, unstable air
over the country to bring the risk of 30-40mm in the hour in places and more than 50mm in a few hours."