cutoff low

cutoff low

[′kət‚ȯf ‚lō]
(meteorology)
A cold low which has become displaced out of the basic westerly current, and lies to the south of this current.
References in periodicals archive ?
The meteorological situation of this type is a centre of relative low pressures in surface and a cutoff low (cold air) in the peninsular SW reflected at the level of 500hPa.
At 500 hPa an important cutoff low (cold air) exists to the SW of the Iberian Peninsula.
On the other hand, in the zone E the floods are produced by E wind situations at surface, and a cutoff low (cold air) in 500 hPa placed in the SW of the Peninsula and an important gradient of temperature at 850 hPa along the north of Africa.