Saturday, May30, 2020
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Marine Weather and Tides
Claremont, NC

Version 3.4 		NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
Sunrise 6:09AMSunset 8:36PM Saturday May 30, 2020 5:08 AM EDT (09:08 UTC) Moonrise 12:45PMMoonset 1:24AM Illumination 58% Phase: First Quarter Moon; Moon at 8 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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7 Day Forecast for Marine Location Near Claremont, NC
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location: 35.73, -81.14     debug

Area Discussion for - Greenville-Spartanburg, SC
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FXUS62 KGSP 300740 AFDGSP

Area Forecast Discussion National Weather Service Greenville-Spartanburg SC 340 AM EDT Sat May 30 2020

SYNOPSIS. A cold front will move into the forecast area today and track southeast through early Sunday. Dry and cooler air will mix in from the northwest Sunday into Monday, before warm and muggy summer-like weather returns Tuesday and persist through the end of the week.

NEAR TERM /THROUGH TONIGHT/. As of 325 am Saturday: Upper trough axis and associated broad/ somewhat diffuse frontal zone will progress across the region today, likely pushing east and south of the forecast area by the end of the day. This feature will likely provide some degree of focus for isolated/widely sct convection throughout the day, as drier low level air lags way behind the leading edge of the front. As a result, modest destabilization is expected this afternoon, especially across roughly the SE half of the forecast area. Actually, while the front may provide some degree of support for initiation across our southern and eastern zones, terrain effects will likely play a bigger role, due to differential heating and terrain-induced convergence zones. As such, 40-50 pops will be advertised near and just downstream (i.e., southeast) of the southern Blue Ridge escarpment. Steering currents and outflow boundaries will carry this activity southeast across the Upstate and southern NC, warranting 20-40 pops in these areas. Muted instability should preclude much of a severe weather threat with this activity, while we are unlikely to see significantly efficient rainfall rates, as PWATs return to earth. Still, wouldn't completely rule out an area of training cells/possible localized excessive rainfall, esp considering the poor antecedent conditions impacting much of the area. Convection should dissipate fairly quickly after sunset. Temps will be very close to climo through the period.

SHORT TERM /SUNDAY THROUGH MONDAY NIGHT/. As of 230 AM EDT Saturday . A couple nice days are in store Sun and Mon as Canadian hipres supported by deep ulvl ridging slowly crosses the ern CONUS. This will keep conds dry and sfc temps a cat or so below normal each day. Dewpoints will remain below normal Sun and even a little lower Mon as a cP airmass continues to mix in from the north then northeast Thus. RH values will be quite pleasant with rather weak sfc winds to boot each day. Expect diurnal fair-wx Cu under a subs inversion with passing Ci each day. With good rad cooling conds, mins will drop a cat or so below normal Sun night then back to normal cooling Mon night as the sfc flow becomes more sw/ly after midnight. You're welcome.

LONG TERM /TUESDAY THROUGH FRIDAY/. As of 245 AM EDT Saturday: The ext range continues to show a transition to a summertime pattern as broad continental ridging takes hold and keeps sigfnt storm tracks well north and west of the SE region. However, the price to pay will be heat as Atl ridging and continued sw/ly llvl flow combines with a deeply compressed atmos and allows temps to reach right arnd 90 F outside the mtns each day. Also, sfc moisture will increase which will generate muggy feeling conds. There may be some -shra/tstms over the NC mtns by late Wed, yet these would be short-lived and relatively weak. A little more coverage of stronger diurnal tstms is probable across the NC mtns Thu/Fri as the wrn edge of the sfc ridge breaks down ahead of backdoor cold front advancing toward the FA late in the period.

AVIATION /08Z SATURDAY THROUGH WEDNESDAY/. At KCLT and elsewhere: Another challenging aviation forecast this m morning, as there are multiple competing factors that will determine cig and visby trends over the next 6 hours or so. Drier air will slowly spill in behind a broad cold front throughout the next 24 hours. However, this is unlikely to occur fast enough to preclude fog and/or stratus development, while clearing high level clouds should also contribute to increasingly favorable conditions for flt restrictions. As such, we have generally opted to advertise LIFR conditions on at least a tempo basis at all sites later this morning. Would not rule out periods of VLIFR, esp at KAVL, KHKY, and perhaps KAND. Conditions should improve at all sites by late morning.

Sufficient moisture should linger to allow for some destabilization this afternoon, with lingering frontal zone and terrain effects providing focus for initiation. Widely scattered convection should begin popping across the high terrain by early afternoon, then move southeast along outflow boundaries. Prob30s for -TSRA appear warranted at all sites but KHKY and KAVL, as convection will most likely develop just south and east of those sites.

Outlook: Dry high pressure will support quiet weather Sunday into early next week.

Confidence Table .

07-13Z 13-19Z 19-01Z 01-06Z KCLT Med 74% High 88% High 100% High 100% KGSP Med 78% High 100% High 100% High 100% KAVL Med 68% High 91% High 100% High 100% KHKY Low 52% High 91% High 100% High 100% KGMU Med 66% High 100% High 100% High 100% KAND Med 61% High 99% High 100% High 100%

The percentage reflects the number of guidance members agreeing with the scheduled TAF issuance flight rule category. Complete hourly experimental aviation forecast consistency tables are available at the following link:

www.weather.gov/gsp/aviation

GSP WATCHES/WARNINGS/ADVISORIES. GA . None. NC . None. SC . None.

SYNOPSIS . SBK NEAR TERM . JDL SHORT TERM . SBK LONG TERM . PM/SBK AVIATION . JDL

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WATS1 - Lake Wateree, SC 99 mi39 min SSE 1.9 G 1.9 69°F
Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Statesville Municipal Airport, NC10 mi14 minWSW 410.00 miPartly Cloudy64°F63°F98%1016.3 hPa
Hickory, Hickory Regional Airport, NC13 mi16 minN 04.00 miFog/Mist63°F62°F97%1014.4 hPa
Lincolnton, Lincolnton-Lincoln County Regional Airport, NC17 mi14 minN 00.50 miFog64°F63°F100%1016.6 hPa

Link to 5 minute data for KSVH

Wind History from SVH (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmS3SE4SW3CalmS6S4S4S3CalmCalmCalmCalmCalmSW3SW6SW4W5
1 day agoCalmCalmCalmCalmCalmCalmCalmCalmSW5CalmCalmSE4CalmS4CalmCalmSE3CalmCalmCalmSW4CalmCalmCalm
2 days agoNE6NE4NE6NE8NE6NE6NE4NE6NE8NE7NE7N7NE9N10
G15		N10
G16		N10
G16		N12NW7
G15		W7--SW6SW3CalmCalm
Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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wmap_A
GEOS Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Greenville-Spartanburg, SC (5,6,7,8)
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Ground Weather Radar Station Greer, SC
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weather_mapweather_map weather_map

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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.