Thursday, June21, 2018 L-36.com


Marine Weather and Tides
Bamberg, SC

Version 3.4
What's New / NOTES
5/20/2018 -- NOAA is having problems with the data feed that I use to draw the graphs. They are aware of the issue and working to resolve it. Sometimes changing the location by about a mile will give a correct graph. 3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.

Sunrise 6:16AMSunset 8:41PM Thursday June 21, 2018 4:14 AM EDT (08:14 UTC) Moonrise 1:40PMMoonset 1:11AM Illumination 55% 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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AMZ330 Charleston Harbor- 321 Am Edt Thu Jun 21 2018
Today..SW winds 5 to 10 kt, increasing to 15 kt.
Tonight..SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. A slight chance of showers and tstms.
Fri..W winds 5 to 10 kt, becoming sw 10 to 15 kt with gusts to 20 kt in the afternoon.
Fri night..SW winds 10 to 15 kt. A slight chance of showers and tstms in the evening.
Sat..SW winds 10 to 15 kt. A slight chance of showers and tstms in the afternoon.
Sat night..SW winds 15 kt with gusts to 20 kt, diminishing to 10 kt after midnight. A slight chance of showers and tstms in the evening.
Sun..SW winds 10 to 15 kt. A slight chance of showers and tstms.
Sun night..SW winds 10 to 15 kt.
Mon..SW winds 10 to 15 kt. A chance of showers and tstms.
Mon night..SW winds 10 to 15 kt. A chance of showers and tstms. Mariners are reminded that winds and waves higher in and near tstms. Unless otherwise noted, waves 1 foot or less. Charleston harbor water temperature 85 degrees.
AMZ300 321 Am Edt Thu Jun 21 2018
Synopsis for the coastal waters of south coastal south carolina and north coastal georgia.. Atlantic high pressure will persist to the east while a surface trough lingers inland through the weekend. A cold front is expected to drop into the area Monday night, bringing somewhat cooler and drier air to the region Tuesday through Thursday.

7 Day Forecast for Marine Location Near Bamberg, SC
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location: 33.3, -81.04     debug


Area Discussion for - Columbia, SC
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Fxus62 kcae 210545
afdcae
area forecast discussion
national weather service columbia sc
145 am edt Thu jun 21 2018

Synopsis
Upper level ridge over the region will remain in control
through Thursday night when a weakening cold front will approach
from the west. Through the weekend a weak surface trough and
upper level troughing will reside over the region then weaken
early next week. This will keep chances of mainly afternoon and
evening thunderstorms in the forecast each day.

Near term until 6 am this morning
Light showers and an isolated rumble of thunder persist over the
eastern midlands and will move out of the forecast area over the
next couple of hours. Some low clouds and convective debris will
remain over the area overnight with patchy fog possible toward
daybreak. Overnight lows will generally be in the mid 70s.

Short term 6 am this morning through Friday night
Upper low over the midwest will promote downstream ridging over
the mid-atlantic and southeastern states on Thursday. Moisture
will deepen over the area on Thursday afternoon and evening with
model pwat values increasing to 2.10 inches by 00z Friday.

Expect isolated convection to develop during the early afternoon
and become more scattered during the late afternoon and evening
as shortwave energy shifts into the area. Bufkit soundings
indicate a weak mid level capping inversion. Instability
appears weak to moderate on Thursday, so believe an isolated
severe threat will exist given strong heating. Damaging winds
appear to be the primary threat. Went a couple of degrees above
most of the guidance for high temperatures on Thursday given
downslope flow. Heat index values are forecast around 103 to 106
so do not believe a heat advisory will be necessary given the
110 degree criteria.

By Friday, the upper low over the midwest will have shifted
slightly eastward with upper flow across the southeastern us
becoming more southwesterly. Expect slightly more coverage of
showers and thunderstorms on Friday given the more favorable
upper pattern. An isolated severe threat will also be possible
with weak to moderate instability in place during the afternoon
and evening. High temperatures on Friday are forecast a few
degrees lower than on Thursday, in the lower to middle 90s.

Long term Saturday through Wednesday
The upper low over the ohio valley will open and lift
northeastward Saturday and into Sunday. Isolated to scattered
showers and thunderstorms are expected mainly during the
afternoon and evening over the weekend. A cold front will move
into the forecast area from the northwest on Monday bringing
increased chances of convection. The front is forecast to be
near the southern portion of the forecast area by Tuesday
morning with surface high pressure building into the area behind
it. This should result in cooler high temperatures for Tuesday.

The front will remain stalled south of the area on Wednesday
with surface high pressure ridging into the forecast area from
the mid- atlantic region.

Aviation 06z Thursday through Monday
Vfr conditions expected through the TAF period.

Diurnal convection has ended across the region and widespread
convective debris clouds are seen on latest satellite imagery.

Fog stratus threat appears low but hrrr does show some possible
stratus developing across the pee dee region and eastern
midlands which may impact ogb but confidence is not high enough
to include at this time and will handle with amendments if
needed.

Diurnal cumulus will again develop during the late morning and
afternoon hours Thursday with showers and thunderstorms
expected... Have included vcsh for all sites after 20z. Winds
will be light and variable to calm through sunrise then westerly
winds 5 to 10 knots expected with a slight turn to southwest
after 18z.

Extended aviation outlook... Restrictions possible each day in
early morning fog and afternoon and evening thunderstorms.

Climate
Near record high temperatures possible over the next few days.

Record highs (cae ags year last set):
thu: 106 104 1990 1990
fri: 101 101 1988 2015
record warm morning lows (cae ags year last set):
thu: 78 79 1924 1942
fri: 77 77 1935 1939

Cae watches warnings advisories
Ga... None.

Sc... None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LMFS1 - Lake Murray SC 57 mi55 min WNW 4.1 G 7 82°F 1009.1 hPa
ACXS1 - ACE Basin Reserve, SC 60 mi90 min SW 1 80°F 1011 hPa76°F

Wind History for Charleston, SC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Orangeburg, Orangeburg Municipal Airport, SC15 mi22 minN 010.00 miFair74°F71°F91%1009.7 hPa
Barnwell Regional Airport, SC19 mi20 minN 010.00 miFair73°F71°F94%1010.5 hPa

Wind History from OGB (wind in knots)
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Last 24hrW4S3CalmCalmSW4NW4SW53--35S7SW7N10CalmCalmS8SE4SW5SW3S3CalmCalmS3
1 day agoCalmSW3S3SW33CalmSW5--4SW5S6SW6S4S8SW7SW6S4S5S7S6S6SW5SW5SW6
2 days ago--SW3SW3CalmCalmW7W5S5SW7W5SW7S7SW5SW8S7S5S4S6S7S6S6SW4SW5Calm

Tide / Current Tables for Cuckolds Creek, Combahee River, South Carolina
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Cuckolds Creek
Click for Map
Thu -- 01:26 AM EDT     0.56 feet Low Tide
Thu -- 02:09 AM EDT     Moonset
Thu -- 06:15 AM EDT     Sunrise
Thu -- 07:57 AM EDT     3.65 feet High Tide
Thu -- 01:53 PM EDT     -0.16 feet Low Tide
Thu -- 02:38 PM EDT     Moonrise
Thu -- 08:33 PM EDT     Sunset
Thu -- 08:42 PM EDT     3.69 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.10.60.611.62.433.53.73.42.71.70.80.1-0.20.10.71.62.43.23.63.73.42.8

Tide / Current Tables for Ashepoo, Ashepoo River, South Carolina
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Ashepoo
Click for Map
Thu -- 01:14 AM EDT     0.34 feet Low Tide
Thu -- 02:08 AM EDT     Moonset
Thu -- 06:14 AM EDT     Sunrise
Thu -- 07:30 AM EDT     2.44 feet High Tide
Thu -- 01:41 PM EDT     -0.10 feet Low Tide
Thu -- 02:37 PM EDT     Moonrise
Thu -- 08:15 PM EDT     2.46 feet High Tide
Thu -- 08:33 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.60.30.40.71.21.72.22.42.42.11.610.4-0-0.10.20.61.21.82.22.42.42.11.7

Weather Map and Satellite Images
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wmap_A
GOES Local Image of Southeast    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.
target = "new">Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Columbia, SC (4,6,7,8)
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Ground Weather Radar Station Charleston, 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 numerious 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.