By the time you're readying this, it may be too late.
SURF:
Not much surf to start the week but we did get a little boost from the SW on Wednesday and a touch of NW today.
As you're reading this, a good NW is filling in tonight and sets are shoulder high with head high sets in SD. The problem of course is that's it's pitch black right now, and the best swell we've had in awhile is going unridden. The good news is, if you're reading this report late on Thursday night, you've set your alarm for 6 AM on Friday and you're going to get the tail end of the SW/NW swells. Look for shoulder high waves early Friday, and back to chest high+ Friday afternoon. For Saturday, we've got a continuation of the NW and the SW will have faded by then. Still should see fun chest high waves.
On Sunday, we get a bump from the SW again with more NW and we're back to chest high surf. All in all, a fun weekend of surf but Friday morning will be biggest. Here's the tides and sunset for the weekend:
- Sunrise: 6:55 AM
- Sunset: 6:13 PM
- 3’ at sunrise
- 5’ at lunch
- 1' at sunset
FORECAST:
After a fun weekend of surf, we'll have lingering chest high combo swell early Monday and then it's all downhill from there. Look for waist high+ NW/SW swell most of next week.
Further out it doesn't look much better either but things can change in an instant of course. Make sure to check out Twitter/North County Surf for updates!
BEST BET:
Friday morning! Get on it! Or smaller but still fun on Sunday with offshores in the AM.
WEATHER:
Typical fall weather is on tap this weekend as we've got low clouds on Friday morning, turning to sun in the afternoon, and temps near 70 degrees mid-day. For Saturday, the clouds clear out as high pressure starts to build and plenty of sun. For Sunday, look for offshore winds to blow in the morning and temps in the mid 70's. The sun sticks around until at least Tuesday with temps peaking around 75 at the coast. For the 2nd half of next week, weak low pressure moves by to the N and it's a return of low clouds/fog for nights/mornings.
NEWS OF THE WEEK:
With the rainy season headed our way (get those roofs fixed), I thought it would be a good idea this week to discuss just what exactly is rain. And yes, it is drops of water falling from the sky (or Zeus crying, depending on who you ask), but it's much more complicated than that. (And for your snowboarders out there, what makes snow, hail, and sleet)? I'll let the experts at the National Oceanic and Atmospheric Administration explain:
All these forms of water don’t fall out of a clear, blue sky. You need clouds. But what makes clouds?
Clouds form from water or ice that has evaporated from Earth’s surface, or from plants that give off water and oxygen as a product of photosynthesis. When it evaporates—that is, rises from Earth’s surface into the atmosphere- water is in the form of a gas- water vapor. Water vapor turns into clouds when it cools and condenses- that is, turns back into liquid water or ice. In order to condense, the water vapor must have a solid particle to adhere to. This solid “seed” may be a speck of dust or pollen, or a drop of water or crystal of ice. Dew is water vapor that has condensed back onto Earth’s surface—on grass or a car’s windshield, for example.
In the cloud (a real cloud, not a computing cloud), with more water condensing onto other water droplets, the droplets grow. When they get too heavy to stay suspended in the cloud, even with updrafts within the cloud, they fall to Earth as rain. If the air in the cloud is below the freezing point (32 °F or 0 °C), ice crystals form; if the air all the way down to the ground is also freezing or below, you get snow. However, if the layers of atmosphere within the cloud, and between the cloud and the ground, alternate between warmer than freezing and colder than freezing, you get other kinds of precipitation.
For example, if a snowflake falls through a warmer part of the cloud it can get coated with water, then frozen again as it’s tossed back into a colder part. It can go round and round, adding more and more layers of new ice. When it’s too heavy to stay up, what finally comes down is hail. If the updrafts in a thunder cloud are strong enough, the hail stones can get pretty big before they become too heavy to stay up. Hail stones can range from pea size to golf ball size, and up! A new record for the largest hailstone ever was set in 2010! It fell on July 23, in Vivian, South Dakota. It was 8 inches in diameter, 18.62 inches in circumference, and weighed 1.93 pounds. If I wasn't already worried about coconuts falling on my head, this is a new threat I don't need.
Hail can cause a lot of damage to buildings, cars, and especially crops. However, freezing rain can be even worse. Freezing rain occurs when the conditions are just "right." Falling snow encounters, first a layer of warmer air, which melts the snowflakes, and then, just above the surface of Earth, a very cold layer, which makes the liquid water “super-cooled,” ready to freeze up at the slightest hint of encouragement. Now, when the super-cooled
rain hits colder-than-freezing ground and objects near the ground (such as roads, trees, and power lines)—snap! Just like that, the about-to-freeze rain turns to ice. The ice coats everything with a thin, sometimes transparent, frozen film. As more rain falls, the coating becomes thicker. The ice can become so thick and heavy that tree limbs snap and fall across power lines, or the power lines themselves just sag and sag until they snap.
Clouds are the key element of the water cycle, since they are the transporters that move water from one place on Earth to another. They are also important in determining how much of the Sun’s energy is absorbed and trapped in the atmosphere. They are thus very important in altering the temperature of the air and Earth’s surface. The warmer the air, the more water it can hold. The warmer the oceans, the faster water evaporates from them. Surface winds also increase evaporation. (Notice that after a rainstorm, the road dries faster if it is windy.) And the more water in the air, the more the sun’s energy is trapped, making things still warmer.
So now you know, just in time for the rainy/snow/hail/sleet season.
PIC OF THE WEEK:
Keep Tahoe Blue!
Keep Surfing,
Michael W. Glenn
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