Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

Show If
spacePermissionINTRA

Discussed in the following Daily reports:

2017-10-10

2017-10-12

2017-10-13

2017-10-16

2017-10-17

1. Impact

On 9 16 October the extra-tropical extension of the tropical cyclone Ophelia hit south-western Ireland. The 10-minute mean wind reached of 31 m/s at Roches Point, off Cork, and gusts of up to 43 m/s over land. 3 people were killed by the storm.

https://www.irishtimes.com/news/ireland/irish-news/storm-ophelia-record-26m-wave-at-kinsale-gas-platform-off-south-coast-1.3262198?mode=amp

2. Description of the event


3. Predictability

  

3.1 Data assimilation

 

3.2 HRES

The plots below show the 24-hour maximum wind gusts for 16 October and the MSLP valid at 12UTC on 16 October from HRES forecasts. The first plot shows observations of 24-hour maximum wind gusts.

Image ModifiedImage ModifiedImage ModifiedImage ModifiedImage ModifiedImage ModifiedImage ModifiedImage ModifiedImage ModifiedImage ModifiedImage Modified

3.3 ENS


The plots below show the tropical cyclone product for Ophelia.

The plots below show EFI and SOT for 24-hour maximum wind gusts valid 16 October.

Image AddedImage AddedImage AddedImage AddedImage AddedImage AddedImage Added

The plot below shows the evolution of the forecasts for 24-hour maximum wind gusts on 16 October in Cork.



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 risk well captured 6 days in advance
  • The magnitude of wind gusts over land well predicted

6. Additional material