Sunday, January19, 2020
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Marine Weather and Tides
Charlotte, 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 7:28AMSunset 5:39PM Sunday January 19, 2020 3:12 AM EST (08:12 UTC) Moonrise 2:33AMMoonset 1:25PM Illumination 34% Phase: Waning Crescent; Moon at 24 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 Charlotte, NC
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location: 35.21, -80.83     debug


Area Discussion for - Greenville-Spartanburg, SC
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FXUS62 KGSP 190535 AFDGSP

Area Forecast Discussion National Weather Service Greenville-Spartanburg SC 1235 AM EST Sun Jan 19 2020

SYNOPSIS. A cold front will cross the forecast area tonight, ushering in Canadian high pressure for most of the upcoming work week. Expect this high pressure to bring below normal temperatures to the region. The next front with low pressure will not approach the area until the end of the week.

NEAR TERM /THROUGH TODAY/. As of 1235 AM: Rain is moving out of the area as a cold front moves through. Have updated for current and expected precip dissipation. Temps are warmer over the mountains than the piedmont. Expect that to change as the front moves through and made adjustments for that. Winds will become gusty over the mountains behind the front.

Otherwise . the cold front pushes thru late tonight. Little moisture is depicted in the colder air, so only a brief opportunity for snow exists in the NW-flow affected areas along the Tenn border. Temps will however continue to plummet up there, and wind gusts to increase, into mid-morning Sunday. Mins still look to be above normal overall. Gusts will remain below advisory criteria; wind chills fall to near zero for a time in the morning but warm again on the diurnal curve. No precip is expected during the daytime hours. Temps top out a category or two below normal in the mountains and I-40 corridor, and around normal elsewhere in the Piedmont.

SHORT TERM /TONIGHT THROUGH TUESDAY/. As of 130 PM EST Saturday: Upper heights continue to drop thru the short term while a vigorous h5 s/w trof develops over the Midwest and swings across the FA by early Tue. The atmos will be quite dry through a deep layer as the trof approaches and llvl winds will remain advectively dry . so dont expect much more than mid-clouds with this upper feature thru Tue afternoon. The big story over the short term will be the temps. Models show moderate llvl CAA continuing early Mon and waning by the afternoon as llvl thicknesses broaden. With a cP high builds in . lows Mon will drop into the teens over the mtn valleys and m20s across the non/mtns. The higher peaks will likely have WC values in -5 degree range thru daybreak as winds persist arnd 15 kts along with low-end gusts. Periods of mlvl moisture and temps beginning the day so cold will hold max temps abt 5-8 degrees below normal on Mon. Very good rad cooling conds develop Mon night which will lead to the coldest temps of the period. Mins shud bottom out arnd 10 degrees below normal over the FA. Another cold day in the L40s non/mtns and m30s mtn valleys Tue as the cP airmass struggles to warm even within max insol.

LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/. As of 210 PM EST Saturday: An upper level ridge begins to build across the SE states early Wed. This ridge will cross the fcst area and dominate pattern into Fri At the sfc. high pressure will remain centered over the mid/Atl with broad ridging aligned across the FA. These features will keep the atmos deeply dry while a subs inversion is maintain arnd h85. Surface winds will remain generally out of the E to NE during this time . so expect only a modest warm-up of both max and min temps to arnd normal by Fri. The models continue to show a closed low developing over the srn Plains Fri morning with an occluded sfc low tapping into a wide open GOM. The ECMWF model has come more inline with the GFS upper pattern . however the model still brings in isent lift precip abt 6 hrs quicker than the GFS. This is due to a stronger and drier sfc high seen over the the east coast on the GFS In any regard. thermal profiles indicate a low chance for wintry precip . mainly diurnally driven -snsh or -ra/sn mix across the higher NC mtn elevations and NC NW Piedmont Thu night. The sensible wx fcst for Fri will likely change to some degree over the next few days with such a dynamical system in play and the possibility of colder/warmer air in the low levels.

AVIATION /06Z SUNDAY THROUGH THURSDAY/. At KCLT and elsewhere: A mixed bag of flight category remains across the region as a cold front slowly crosses the area. Precip will move out by 09Z with some improvement in cigs and vsby. All restrictions should scatter out and clear by daybreak. Wind will generally be SW through daybreak with NW wind and developing gusts at KAVL. W to NW winds become gusty during the morning and remain there into the evening. KAVL will see stronger NNW wind and gusts. MVFR mountain clouds return during the day and remain overnight. Uncertain if a cig develops at KAVL. Otherwise, clear skies expected.

Outlook: VFR at least through the middle of the week under cold dry high pressure.

Confidence Table .

05-11Z 11-17Z 17-23Z 23-00Z KCLT High 100% High 100% High 100% High 95% KGSP High 100% High 100% High 100% Med 70% KAVL High 100% High 100% High 94% High 90% KHKY High 100% High 100% High 94% Med 70% KGMU High 100% High 100% High 100% High 100% KAND High 100% High 100% High 100% High 90%

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

www.weather.gov/gsp/aviation

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

SYNOPSIS . DEO NEAR TERM . PM/RWH/08 SHORT TERM . SBK LONG TERM . SBK AVIATION . RWH


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WATS1 - Lake Wateree, SC 61 mi43 min WNW 1.9 G 7 45°F
LMFS1 - Lake Murray SC 80 mi53 min SW 5.1 G 6 45°F

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Charlotte, Charlotte / Douglas International Airport, NC6 mi21 minWSW 77.00 miOvercast48°F46°F93%1014.2 hPa
Concord Regional Airport, NC14 mi18 minSW 1010.00 miOvercast48°F46°F94%1014.6 hPa
Gastonia Municipal Airport, NC17 mi19 minWSW 63.00 miFog/Mist48°F45°F89%1014.3 hPa
Monroe, Monroe Airport, NC17 mi20 minSW 12 G 2210.00 miOvercast51°F48°F92%1014.8 hPa
Rock Hill, Rock Hill - York County Airport, SC20 mi19 minW 14 G 208.00 miOvercast49°F46°F93%1014.5 hPa

Link to 5 minute data for KCLT

Wind History from CLT (wind in knots)
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Last 24hrSE8SE6SE6SE5SE9S6S4SE6SW3S6CalmSW5CalmNW4W4NW5W4W5SW5SW6SW8SW10SW8SW7
1 day agoNE13NE9NE9NE12NE10
G17
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N8NE9E55NE8E10E7SE6E8E8
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2 days agoSW7W4W6W7NW3NW5NW10
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N11NW9NW11
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NW10NW6NW4NW5NW5NW5NW8NW6N8N7

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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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 (3,6,7,8)
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Ground Weather Radar Station Greer, SC
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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.