Status:Ongoing analysis Material from: Linus, David L.

Picture

1. Impact

On 6 March large parts of France was hit by the windstorm Zeus.

2. Description of the event

The series of plots below show satellite images from 6 March (every 3rd hour), provided from yr.no.

The plot below show observed 24-hour maximum wind gusts for 6 March.

3. Predictability

3.1 Data assimilation

3.2 HRES

The plots below show 24-hour maximum wind gusts (shade) and MSLP valid 12UTC (contour) for 6 March.

3.3 ENS

The plots below show EFI and SOT for wind gusts valid 6 March (24-hour maximum).

The plots below shows the cyclone feature plots for maximum wind within 300 km radius around the feature. All plots are valid 6 March 12UTC.

3.4 Monthly forecasts

3.5 Comparison with other centres

4. Experience from general performance/other cases

5. Good and bad aspects of the forecasts for the event

• The band of extreme wind gust well captured 4-5 days in advance

6. Additional material