Monday September 26
The long dry spell across the PNW will continue a bit longer. We await the transition to the fall rains. Here’s the latest update in that regard.
Wet pavement time this week will likely be overnight Tue through Wed evening, but the total precipitation, but only a tenth to a quarter of an inch is expected on the west side; none to the east except far N Idaho. Hence, the 'wet pavement’ call, not an irrigating level of rain. The next period of notable rain is modeled to arrive 12 days from now - the weekend of Oct 8,9.
Temperatures will range in the upper 70s to lower 80s throughout the next several days, aside from mid-week. It will be cooler during the 'transition day' of Fri Oct 7.
A broad change in the upper-level wind pattern is expected to develop by Fri Oct 7, opening the door for Pacific storms to finally drape across the PNW, bringing the sound of rainfall back. The weekend of Oct 8,9 looks wet, esp late Sat night through Sunday. Rain/showers will also be in play as the following week gets underway. We are cautious about this forecast, since there seems to be so many ‘false starts’ on the charts of late. Still, wetting rains will return at some point; let’s hope for Sat Oct 8. Cumulative precip between now and Oct 12 should be around 1.5-2 inches, nearly all of which will fall Oct 8-12.
Hurricane IAN will be the big national story this week, as it will likely impact western FL. Landfall location for IAN will depend, to a large degree, on just where a High pressure dome moving into the upper Midwest positions itself by the time IAN approaches western FL. This storm will be a very powerful hurricane. We hope people heed the warnings and prepare while time is on their side.
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Rufus & Paula La Lone
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