Status:Ongoing analysis Material Status: Finalised Material from: Linus, Fernando
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Discussed in the following Daily reports: |
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Severe weather reports from the European Severe Weather Database for 17th September 2017:
2. Description of the event
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T+072-096h:
T+096-120h:
T+120-144h:
Straight-line winds of 35 m/s have been reported at Stei weather station (see ESWD reports plot at the top of this page) and they caused significant damage. At the same time a bow echo was observed in the radar imagery. CAPESHEAR parameter looks more extreme than CAPE in the forecast. This again suggests that deep-layer wind shear played a major role in the severe convective outbreak. CDFs for CAPE (left) and CAPESHEAR (right) over Stei are shown below.
3.4 Monthly forecasts
3.5 Comparison with other centres
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4. Experience from general performance/other cases
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5. Good and bad aspects of the forecasts for the event
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