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Petra Friederichs - Chair of Statistics STAT

Petra Friederichs - Chair of Statistics STAT

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Mesoscale Weather Prediction<br />

Statistical Postprocessing<br />

Applications<br />

Conclusions and Challenges<br />

Mesoscale Extremes<br />

Predicting high-impact weather<br />

Ensemble Postprocessing<br />

Predictability<br />

◮ Inherent limit <strong>of</strong> predictability<br />

◮ Fastes error growth at smallest<br />

scales<br />

◮ Predictability strongly depends<br />

on flow regime<br />

◮ Moist convection is primary<br />

source <strong>of</strong> forecast-error growth<br />

◮ Mesoscale forecasts are issued<br />

for ≤18h-24h<br />

E N Lorenz, Tellus 21, 19 (1969)<br />

P.<strong>Friederichs</strong> Extreme weather 8 / 45

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