Downslope windstorm in High Tatras, 19 November 2004

More documents

Recommendations

Info

Microscale features• Aerial photographs: evidence of strong downslope winds(orientation of fallen trees)Biggest damage:foots of the slopes,exits of valleysadapted fromaerial photograph strong vertical wind shears in thin layer⇒ generation of extremely high horizontal vorticity analogical to flow in travelling microbursts
Success of the operational forecast• ALADIN SLOVAKIA, cycle 25, 9.0 km resolution2.5km resolution runWind speed (km/h)Operational runObservationObservationTime (UTC)Time course of observed and forecasted wind gusts, station „Lomnický Štít“Based: 19/11/2004 00 UTC run
Page 1 and 2: Downslope windstorm in High Tatras1
Page 3 and 4: Impact of the 19 November windstorm
Page 5: Local observations• Gusty charact
Page 9 and 10: 2.5 km hydrostatic run with physics
Page 11 and 12: 2,5 km non- hydrostatic run• Time
Page 13 and 14: Sensitivity testsMax. gust 40 m/s33
Page 15 and 16: Mesoscale diagnostics• Increase o
Page 17 and 18: Conclusions: points of view• NWP

Downslope windstorm in High Tatras, 19 November 2004

Create successful ePaper yourself

Delete template?

Save as template?