Archive for September 5, 2009

LABOR DAY WEEKEND STARTS OUT SUNNY WITH SEASONAL TEMPERATURES… ON SUNDAY, CLOUDS MAY CREEP BACK IN FROM THE SOUTH AND EAST, BUT THAT IS NOT CERTAIN

The overall pattern is quite benign with very weak pressure systems. You would think that would make for an easy forecast for this Labor Day weekend. Well, not exactly. Today (Saturday) should remain nice with plenty of sunshine, light winds,¬†and seasonal temperatures. Humidity levels should keep things comfortable for most of us. Be careful if you are going in the ocean as there is still a moderate risk of rip currents. The forecast for Sunday and Monday is not that easy. The frontal system that caused the cloudy weather this past week is still out there over the Gulf Stream and there is a chance that it could retrograde back to the west bringing with it cloudiness and even a shower or two. Moisture to our south could also come up but there is nothing organzed at this point that would cause anything significant. If the high to our north wins out, the entire holiday weekend could be nice. We’ll see how things go. The tropical Atlantic is still too hostile to support tropical cyclone development. The combination of dry air, subsidence, wind shear, and slightly cooler ocean water temperatures in some areas is simply preventing tropical cyclones from developing. Erika fell victim to this hostile environment. There are two other clusters of showers in the Eastern Atlantic that will have to be watched as they move westward but we have plenty of time before anything could develop. I’ll have an update on Sunday morning.

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