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September Discobs 2023


George BM
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1 minute ago, WxUSAF said:

It’s consistently been the wettest for this weekend. Would be a serious drought buster with probably some local flooding.

Last two runs, it's wanted to run a stripe of seriously heavy precip from south to north somewhere through our area. If that were to happen, whoever is on the receiving end will get rocked.

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Thoughts from Mount Holly based on the 12z suite-

Low pressure lifts towards the Mid-Atlantic late Friday night and into Saturday morning. A piece of energy will spin off the main low and pass either right over the East Coast or just offshore. There are differences among the 12Z suite of models, with the GFS being fastest and closest to the coast. GFS has the primary low over the Mid-Atlantic by Saturday morning, while the ECMWF has the primary low still off the Southeast Coast. The CMC is somewhat in between. A slug of heavy rain moves into the local region during this time, with the heaviest rain east of I-95. The 12Z NBM has come in with higher PoPs over Delmarva and southern New Jersey, but will bump up to have likely PoPs along, south and east of the I-95 corridor, and chance to the north and west. Primary low will then track along the coast Saturday night through Sunday, but there are timing and placement inconsistencies among the models. Will generally carry chance PoPs for Sunday and into Sunday night. Depending on the track of the low, as much as 3 to 5 inches of rain could fall along the New Jersey and Delaware coasts this weekend, with an inch or so possible in the southern Poconos should the 12Z/19 GFS verify. This will be much lower if the 12Z/19 ECMWF verifies. If the 12Z/19 CMC verifies, then heavier rain is possible over more of the region.

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