Zat er naar te kijken en na dit te lezen op Estofex:
As a side-note, environmental conditions northwest of the Azores become increasingly supportive for a potential subtropical development. A closed upper low NW of the Azores meanders to the east/northeast/north and models like GFS/EZMWF indicate a gradually developing warm core structure during the upcoming 48 h. However, subtropical development during the forecast period (24 h) seems unlikely due to the merging of a quasi-barotropic depression, with a baroclinically coined one from the north, so rapid strengthening of those morphing features is forecast with a pressure drop, justifying the term "explosive development". Despite the interesting synoptic background of this feature, it will also increase the blocking over the E-Atlantic, which is supported by the latest geopotential height gradient index forecast for the N-Atlantic.
www.estofex.org
Iemand een idee of het deze clusters zijn? Lijkt al een beetje rotatie in te komen namelijk.
Nick
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