Offshore storms this evening? 16th March 2013

gfs.stormcast.bsch.init-2013031600z.fcst-201303162300z.li.nsw.nullThe GFS model has some instability increasing offshore tonight. This means there is a risk of storms developing particular near the coast but mainly offshore.

Today and particularly this afternoon has seen some sultry conditions across eastern NSW with high dew points for mid March. An upper trough is expected to over ride the region this evening and tonight. Depending on the wind change, this could be the focus for the development of showers and thunderstorms.gfs.stormcast-sounding.bsch.init-2013031600z.fcst-2013031609.lat_-33.99_lon_151.25_custom-tdp_hodo-off

Here is the forecast sounding for this evening right on Sydney! Instability increases during the evening with upper level cooling as the upper trough takes effect.

2 thoughts on “Offshore storms this evening? 16th March 2013

  1. Jimmy Deguara Post author

    Cooler weather this morning as a result of the cold air aloft in the wake of the upper trough. Any evidence of below average temperatures?

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