January 2006 at Reading

The Reading instrument recorded low ozone on the 18th January (192 DU) and 19th January (177 DU). This appears to be an extremely severe dynamically driven mini hole event. The scale of the depletion was nearly 50% below mean and can be classified as a "hole". It was part of an upper level depression that originated over the North Atlantic on about the 16th and then drifted over the UK and intensified, finally moving on into Central Europe. Tropospheric conditions were anomalously warm. However, temperatures at 100 mob were very close to PC thresholds of 195K.

OMI Total Ozone for Jan 18, 2006

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The Reading instrument recorded low ozone on the 18th January (192 DU) and 19th January (177 DU). This appears to be an extremely severe dynamically driven mini hole event. The scale of the depletion was nearly 50% below mean and can be classified as a "hole". It was part of an upper level depression that originated over the North Atlantic on about the 16th and then drifted over the UK and intensified, finally moving on into Central Europe. Tropospheric conditions were anomalously warm. However, temperatures at 100 mob were very close to PC thresholds of 195K.

OMI Total Ozone for Jan 18, 2006