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Found 3 results

  1. WAR? Will the Western Atlantic Ridge reassert itself and result in the verification of previous many long range outlooks of above to much above normal temps for August here in the NY area? And if so, when does the Atlantic Basin fire up? I see as of this 7/24 writing that our tropical topic posters seem to expect week two or three of August for activity getting going? SST ANOM's don't look exciting (to me) but these can change. Certainly the + anoms well north of HAT (especially New England) can feed or extend the life of TC's north of Hatteras.
  2. The 27th Atlantic Basin Tropical event of the season is underway. Impact to the coastal eastern USA is expected to be confined mostly to swells, with heavy seas in the offshore waters developing this week - slowly easing in Epsilon's modeled northeast recurvature and departure this weekend. Max sustained winds are modeled to eventually be near 80 knots for a time, with seas possibly exceeding 30 feet north and east of the center by Friday or Saturday the 23rd-24th.
  3. Good Thursday morning, Decided to start a combined topic covering Saturday night, Sunday afternoon and the uncertain impact of ISAIAS this coming Monday-Tuesday. ISAIAS has track uncertainties until everything gets re-organized Friday. Thereafter, I think the EPS/GEFS should nail whether or not tropical storm conditions can impact the coasts. Follow NHC guidance and the contributions from American Weather tropical experts. One reason for uncertainty; I see multiple 00z/30 ensembles showing the northern bounds of heavy rainfall not too far north of our NYC forum which suggests, at this distant date, that a hard right turn of ISAIAS could yet occur that would spare us more than a dangerous rip current situation. In other words, we're on the gradient of substantial rainfall impact. Big forecast busts tend to occur in the ensemble gradients, buying in too early to one set of solutions or another. So dangerous rip currents are my first primary concern for Monday-Wednesday, especially Long Island. Southerly swells should gradually build over the western Atlantic into early next week. Presuming the NHC 5AM Thursday track is reasonable, surge and wind field risks on the western side of ISAIAS are minimal but if the track shifts to where a portion of our area is on the eastern side of the TC, then those risks would significantly increase. My secondary primary concern is isolated 7" rainfall from the necessary combined events of Saturday nights WAA (warm frontal) event, Sunday afternoons possible isolated severe nw NJ/se NYS westward into ne PA, and then finally either a PRE, or a direct impact of ISAIAS Monday-Tuesday. I'm more concerned about Predecessor Rainfall event rather than direct ISAIAS impact. The 7" rainfall in my estimation would probably have to occur west of the I95 corridor due to the ensembles probable combined Sat night-Sunday afternoon events depositing biggest amounts somewhere near the western edge of our forum coverage (~Sussex-Orange Counties?). If Sat night-Sunday does not occur (1-3" combined event band somewhere in that area), then a PRE or ISAIAS hit would have to do all the work by itself and at this time, this is far too uncertain. So to get to 7", it's a lot easier if we see sizable rainfall Sat night-Sunday. There is still a chance not much happens here next Monday-Tuesday-it's in the envelope of possibilities. (See the 06z/30 GFS run). Let's see what happens. I'll be particularly interested in PRE comments. 733A/30
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