Prognostic Meteorological Discussion
Issued by NWS
Issued by NWS
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310 FXHW01 KWNH 220729 PMDHI Hawaii Extended Forecast Discussion NWS Weather Prediction Center College Park MD 328 AM EDT Sun Sep 22 2024 Valid 00Z Mon Sep 23 2024 - 00Z Mon Sep 30 2024 This weekend into early week, a mid-upper trough/low will shift westward over the state. This and a possible weak surface trough could allow for increased moisture and showers, especially over favored terrain. As these features exit, there looks to be reduced support for showers once again through later week with return to a drier trade wind pattern with more spotty and uncertain upper impulses to contend with locally. A favored composite of reasonably well clustered guidance indicates that high pressure bridging to the north of the islands and passage to the south of the state of a series of tropical disturbances this week out from the ITCZ being followed by the CPHC may support moderate to breezy island trades. Schichtel $$