For example, many air quality standards require that certain near worst case meteorological conditions be applied.

Not, I think, a natural phenomenon, since none of the necessary meteorological conditions existed.

I believe what we are seeing is partially due to natural meteorological conditions.

Continued records of tides and meteorological conditions were also required.

On these three days, the meteorological conditions were quite similar to July 17.

Right now, given the meteorological conditions, the security situation is stable.

However the meteorological conditions that allow soaring are common and the sport has been taken up in many countries.

At the time of the accident meteorological conditions in the local area were thick, low fog.

These are usually triggered by sudden changes in meteorological conditions.

A1 A heat wave covering the nation has been brought on by an unusual set of meteorological conditions.