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#11
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![]() "tom" wrote in message oups.com... So, 30 miles past Cape May, I turned around in winds reaching for 30 knots and gusting well over, I check the buoy data for Cape May area, there was no 30 knot winds, max was 20 with 6 ft seas, so reality check: maybe it was 30 knot gust, and it was apparent wind. The 10-15 doesn't include gusts and definitely doesn't include your apparent wind. Isolated storms not withstanding, NOAA does a pretty good job. Last year I record the weather for the SE coast from Nov 5-Jan 5, forecasts may have had the wind direction off by up to 45 degrees and the strength off by 5 knots, but other than that they were correct. Sea stories are like fish stories....wind and waves get bigger every time the story is told. Tom Ya, it's not like the winds 30 or 50 feet above the surface are stronger than those *at* the surface. Oh, wait -- they usually are, aren't they? |
#12
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On Aug 23, 8:31 am, tom wrote:
.... I check the buoy data for Cape May area, there was no 30 knot winds, max was 20 with 6 ft seas, .... Weather, particularly weather associated squall lines, is very localized and buoys can only report the weather right where they are. NOAA may also tend to underestimate wind speeds in squally conditions because of their averaging method. NOAA generally does do a fine job IME, but they aren't omniscient. It seems perfectly reasonable that Skip could have been operating in much worse conditions than those reported by the buoy. -- Tom. |
#13
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....
There is a standard height for measuring "surface" wind speeds. I've forgotten what it is but I think it is 33 feet. .... That's right, 10 meters is the "standard" in most models for surface winds. From the GRIB standard definitions: "Wind Speed is the expected sustained 10 meter wind speed (in knots) ..." The very pointed headed folk can argue about what that 10 meters is above, but "mean sea level" will do. Reporting stations just report the wind as they measure it at their instrument and don't correct for height. NOAA generally does average wind speeds over two minutes to get sustained winds. Hence the wind/gust format for buoy reports. -- Tom. |
#14
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On Aug 25, 4:42 pm, wrote:
Today, NOAA said to expect winds of 5-10 knots in the morning and 10-15 knots with gusts to 20 in the afternoon. Predicted seas of 2 -3 feet. What we got was winds of 0 knots with gusts up to 2 knots and seas of about 3-6 inches.- Hide quoted text - And maybe if we werent spending billions paying for a war and other such BS, NOAA would have more staff, better equipment and more accurate forcasting, the USCG would be be helping sailors not zipping arround trying to catch some threat, oh... and a college iducation woudnt bankrupt parents. Heck, we might even have continued Highseas weather fax next year cause the CG has the needed money. THe money is there. Its just about priorities. Yesterday I saw a wind generator blade go down I-84. It was made in VIet Nam as is the inner tube on my bicycle. We lost that war. It cost billions, at least 53,000 american lives, and was the domino that would cause the rest of the world to fall to the Red Tide. All for what? So we can have cheep innertubs 30 years later ?????? Do yo think we would have cheep inner tubes if we won the war? Bob |
#15
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On Aug 25, 4:42 pm, wrote:
Today, NOAA said to expect winds of 5-10 knots in the morning and 10-15 knots with gusts to 20 in the afternoon. Predicted seas of 2 -3 feet. What we got was winds of 0 knots with gusts up to 2 knots and seas of about 3-6 inches.- Hide quoted text - Oh, I forgot............ stop whinning. Look outside, tap your barometer, and go sailing. Why are there so many people here always whinning about NOAAs weather accuaracy. ON this one I side with Willll burrr. BOb |
#16
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#17
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On Aug 26, 5:32 am, wrote:
Do they have adult literacy courses nearby that you could attend?- Hide quoted text - Why, do you think it would help my ailing skills? Bob |
#18
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On 2007-08-23 15:30:53 -0400, "Roger Long" said:
"KLC Lewis" wrote Ya, it's not like the winds 30 or 50 feet above the surface are stronger than those *at* the surface. Oh, wait -- they usually are, aren't they? And by a lot. And some reporting stations are just *wrong*! It's enlightening to hear the Tolchester station report calm or 3 knots at the top of the last hour when I was inside the anchorage seeing a solid 12, and the anchorage is fairly well protected compared to the breakwater. -- Jere Lull Tanzer 28 #4 out of Tolchester, MD Xan's new pages: http://web.mac.com/jerelull/iWeb/Xan/ Our BVI pages: http://homepage.mac.com/jerelull/BVI/ |
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