engleski

Diagnostic maps of CAPE from LAM and data from network of synoptic stations.

The convective available potential energy (CAPE) can be calculated from radio sounding data or from outputs of numerical weather prediction model. Comparison of CAPE values obtained in these two ways revelled that there are errors in model's CAPE. By replacing data at the lowest level of the model by measured data CAPE was calculated that has excellent agreement with measured CAPE. This gives us opportunity to make accurate and detailed maps of CAPE combining model outputs with data from symoptic stations. The accuracy of such maps is confirmed by radar images of 30 May 2001 thunderstorm.

CAPE; thunderstorm; NWP; nowcasting

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