Sunday, September 7th – Lincoln County
Summary: It’s hard to fathom. One day it’s 90F, then the mercury plummets 50% in 12 hours to 45F, and the next afternoon we can’t even make 60F for a high. What’s the deal? (See Weather Factoid below.) High temps stayed mainly in the mid-50s yesterday, winds were light southwest 10-15 mph and there was no precipitation. The sun was unable to penetrate the overcast, and fog varied from light to dense. There were no breaks in the cloud cover through the evening and overnight; the thermometer dipped into the upper-40s in most locations. This morning, the clouds were a little higher and thinner, patchy fog dotted the beaches and it was dead calm.
Past 24 Hours High/Low…
Lincoln City: 58F/50F
Depoe Bay: 55F/48F
Forecast: Not much warmer today with highs struggling to reach 60-65F, mostly cloudy skies and areas of fog, though some sunshine is not out of the question. The moisture in the atmosphere is expected to intensify tonight and early tomorrow which could spawn areas of drizzle along with fog and mostly cloudy skies; lows about 55F, highs of 60-65F. Outlook is for partly to mostly sunny days, partly to mostly cloudy nights, highs of 65-70F, lows of 55F and northwest winds Tuesday through Saturday.
Travel: The Red Flag Warning has been cancelled for all of Northwest Oregon. In the Coast Range today, sunny and 75-85F. Valley destinations will also have sunny skies with highs of 85F. For the Cascades, sunny; the freezing level is at 13,000 feet. Outlook for weekend travelers away from the coast is warm and dry.
Marine: Light winds, SSE 5 knots, seas under 3 feet at 17 seconds and areas of fog this morning. As of 8:00am, Depoe Bay and Yaquina Bay bars are unrestricted. Except for a little fog, it looks like good conditions for slammin’ salmon; SW winds 5 knots today with 3 foot long-period swells. The breeze shifts to the NW tonight, 5-10 knots, seas stay around 3 feet and patchy fog develops. Tomorrow, expect northerlies 5-10 knots with a 4 foot swell and areas of fog and drizzle. Outlook is for mainly nor’westers 5-15 knots and NW swells 4-6 feet through Thursday.
On the Beach… Fog, low clouds, possible sunbreaks, surf 3 feet (low).
* For a safe and enjoyable time on the Central Coast, the Oregon Parks & Recreation Department offers these Beach Safety Tips.
09/07 Sun 11:47 AM 8.01 H
09/07 Sun 05:29 PM 1.41 L
09/07 Sun 11:37 PM 9.25 H
09/08 Mon 06:04 AM -0.70 L
In Short: Fog, mainly cloudy, drizzle, then slow clearing and warming.
Weather Factoid: How can Summer temperatures swing so widely on the Central Coast? Admittedly, it rarely gets into the 80s, let alone the 90s, but due to something many Oregon meteorologists refer to as ‘The Brookings Effect,’ there are days when it gets really hot. The atmospheric culprit responsible is a very warm low pressure area that generally resides over Northern California. Occasionally, it builds north to at least Brookings or even farther up the coast (i.e., Friday). This feature, coupled with conditions that are conducive to east winds (i.e., Friday), means the normally unswerving influence of cool air from the North Pacific Ocean is shoved offshore for a short time and we feel the Summer heat the way the Willamette Valley does. What occurred overnight Friday into Saturday was that the Brookings Effect collapsed and colder marine air was given the green light to rush ashore over the Central Coast. Voilà – 45F instead of 90F.