Monday, June25, 2018 L-36.com


Marine Weather and Tides
DeLisle, MS

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 5:54AMSunset 8:03PM Monday June 25, 2018 2:40 AM CDT (07:40 UTC) Moonrise 5:58PMMoonset 4:09AM Illumination 90% Phase: Waxing Gibbous; Moon at 12 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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GMZ532 Mississippi Sound- 952 Pm Cdt Sun Jun 24 2018
Rest of tonight..Southwest winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Monday..Southwest winds 5 to 10 knots becoming south in the afternoon. Waves 1 to 2 feet. Dominant period 4 seconds.
Monday night..West winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Tuesday..Northwest winds near 5 knots becoming northeast late in the morning, then becoming south in the afternoon. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and slight chance of Thunderstorms in the afternoon.
Tuesday night..Southwest winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Wednesday..South winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms in the afternoon.
Wednesday night..West winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers after midnight.
Thursday..Southwest winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers and Thunderstorms in the afternoon.
Thursday night..West winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Friday..Southwest winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Friday night..West winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 952 Pm Cdt Sun Jun 24 2018
Synopsis..A ridge of high pressure will prevail across the coastal waters for the upcoming week.

7 Day Forecast for Marine Location Near DeLisle, MS
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location: 30.36, -89.27     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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Fxus64 klix 250214
afdlix
area forecast discussion
national weather service new orleans la
914 pm cdt Sun jun 24 2018

Sounding discussion
This evening's sounding was routine with no problems encountered.

Taking a look at the vertical profile aloft and comparing it to
the previous days, it appears we continue to increase in moisture
with pw now nearing climatological normal at around 1.76". With
this moisture increase comes increased instability almost doubled
what it was yesterday with MLCAPE of around 2600 j kg. Also, it is
important to note that the prominent subsidence inversion aloft
in place the last few days between 800 and 850mb has eroded,
which led to boundary-driven convection earlier this afternoon.

The vertical wind profile remains weak, which should continue into
tomorrow. Expect mostly the same during the afternoon and evening
hours tomorrow, with some pulse-like boundary driven convection
possible. A strong storm or two is not out of the question, as
they did earlier today, given ample instability in place with
dangerous lightning and gusty outflow winds the main threats. Klg

Prev discussion issued 330 pm cdt Sun jun 24 2018
synopsis...

high pressure centered over the florida-georgia line this
afternoon, extending into the northern gulf of mexico. Isolated
convection continues to bubble up, but most of the area remains
dry. Temperatures generally in the lower and middle 90s at mid-
afternoon with dew points mainly in the middle 70s. This is
producing heat index values generally between 100 and 106. This is
just short of heat advisory criteria.

Short term...

will allow heat advisory to run to expiration at 6 pm, and do not
plan to re-issue for Monday at this time. Current indications are
that heat indices will remain below 108f for Monday and Tuesday
afternoons.

Expect that Monday afternoon will be similar to today regarding
convective development, just isolated coverage. A little better
coverage for Tuesday and Wednesday, but in most cases, still below
30 percent.

Little change in day to day temperatures, although ecmwf
temperatures look a degree or two too high, blends seem fairly
close. 35
long term...

medium range models struggling with westward moving impulses under
the ridge over the appalachians at the end of the week. Gfs
solution would indicate slightly better rain chances around next
Sunday as an easterly wave impacts the area. For now, will not
make major changes to the extended portion of the forecast. Once
again, ECMWF forecast highs appear to be a degree or two on the
warm side. 35
aviation...

vfr conditions will prevail at most of TAF airports, except for a
period of late night to mid morning MVFR category CIGS at kbtr and
khdc and ifr category CIGS at kmcb. Isolated shra tsra will continue
to be in the vicinity of a few airports at times the remainder of
this afternoon, but any lower conditions at the terminals should be
brief. 22 td
marine...

a surface high ridge will extend from the northeast gulf through
Tuesday, then the high center will shift into the central gulf
during the latter part of the week. A generally slack pressure
gradient will result in winds mostly 10 knots or less with the
exception being southwest to west winds 10 to 15 knots over some
eastern nearshore waters during late day and nighttime hours
starting Wednesday. 3 foot seas are expected to remain confined to
the southwest coastal zone through Monday night, otherwise
significant wave heights are expected to be mostly 2 feet or less
through the week. 22 td
decision support...

dss code: blue for heat advisory until 6 pm, then green
deployed: none.

Activation: none.

Activities: none.

Decision support services (dss) code legend
green = no weather impacts that require action.

Blue = long-fused watch, warning, or advisory in effect or high
visibility event; marginal risk severe or excessive rain.

Yellow = heightened impacts with short-fused watch, warning or
advisory issuances; radar support for slight risk severe
or excessive rain.

Orange = high impacts; enhanced risk severe; nearby tropical events;
hazmat or other large episodes.

Red = full engagement for moderate to high risk of severe and or
excessive rainfall, or direct tropical threats; events of
national significance.

Preliminary point temps pops
Mcb 76 93 75 94 0 10 10 30
btr 77 93 76 94 10 10 10 30
asd 79 94 78 93 0 10 10 30
msy 80 92 79 93 0 10 10 30
gpt 81 92 80 92 0 10 10 30
pql 78 93 77 93 10 10 10 30

Lix watches warnings advisories
La... None.

Gm... None.

Ms... None.

Gm... None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 4 mi40 min SSW 4.1 G 6 82°F 89°F1016.6 hPa (+0.0)
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 37 mi46 min 84°F
SHBL1 - 8761305 - Shell Beach, LA 40 mi40 min S 6 G 6 80°F 89°F1016.9 hPa (-0.3)
PTBM6 - 8741003 - Petit Bois Island, MS 42 mi40 min SW 9.9 G 11 84°F 1017.8 hPa (+0.0)
GDXM6 - Grand Bay Reserve, MS 45 mi55 min SSW 9.9 84°F 1018 hPa77°F

Wind History for Bay Waveland Yacht Club, MS
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Gulfport - Gulfport-Biloxi International Airport, MS11 mi47 minN 010.00 miFair80°F75°F87%1016.7 hPa
Keesler Air Force Base / Biloxi, MS19 mi44 minWSW 710.00 miFair82°F75°F79%1017.2 hPa

Wind History from HSA (wind in knots)
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Last 24hr------------------CalmSW4S6SW7W5SW7SW5S9SW8S8
G14
S7SW6SW7S6SW4
1 day ago------------------CalmSW4W5W8
G17
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W8SW8SW8SW5SW5SW5SW10S6SW5SW5
2 days ago------------------CalmSW4SW4W9SW11
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SW5SW5Calm

Tide / Current Tables for Wolf River, Henderson Avenue bridge, Mississippi
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Wolf River
Click for Map
Mon -- 04:09 AM CDT     Moonset
Mon -- 05:56 AM CDT     Sunrise
Mon -- 10:36 AM CDT     1.83 feet High Tide
Mon -- 05:57 PM CDT     Moonrise
Mon -- 08:02 PM CDT     Sunset
Mon -- 09:06 PM CDT     -0.31 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.10.30.50.70.91.11.31.51.61.71.81.81.71.61.310.70.40.1-0.1-0.3-0.3-0.3-0.2

Tide / Current Tables for Gulfport, Gulfport Harbor, Mississippi
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Gulfport
Click for Map
Mon -- 04:08 AM CDT     Moonset
Mon -- 05:55 AM CDT     Sunrise
Mon -- 10:08 AM CDT     1.76 feet High Tide
Mon -- 05:56 PM CDT     Moonrise
Mon -- 07:54 PM CDT     0.08 feet Low Tide
Mon -- 08:02 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.50.60.70.811.11.31.51.61.71.81.71.61.51.20.90.60.40.20.10.10.10.20.3

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 New Orleans/Baton Rouge, LA (3,6,7,8)
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Ground Weather Radar Station New Orleans/Baton Rouge, LA
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Gulf Stream Current


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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.