Monday, May29, 2017 L-36.com


Marine Weather and Tides
Long Beach, MS

Version 3.4
What's New / NOTES
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 5:53AMSunset 7:53PM Monday May 29, 2017 2:45 AM CDT (07:45 UTC) Moonrise 9:58AMMoonset 11:51PM Illumination 15% Phase: Waxing Crescent; Moon at 4 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- 1015 Pm Cdt Sun May 28 2017
Rest of tonight..Southwest winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Monday..Southwest winds near 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Monday night..Southwest winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Tuesday..West winds near 5 knots becoming southeast in the late morning and afternoon. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Tuesday night..Southeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Wednesday..Southeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Wednesday night and Thursday..Southeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers and Thunderstorms.
Thursday night..Southeast winds 5 to 10 knots. Waves 1 foot or less. Slight chance of showers and Thunderstorms.
Friday..Southeast winds 10 to 15 knots. Waves 1 to 2 feet. Chance of showers and Thunderstorms.
Friday night..South winds near 10 knots. Waves 1 to 2 feet. Chance of showers and Thunderstorms.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 1015 Pm Cdt Sun May 28 2017
Synopsis..A ridge of high pressure will prevail over the eastern gulf of mexico through the week. A weak cold front will stall along the louisiana and mississippi coasts Monday into Tuesday before dissipating Wednesday.

7 Day Forecast for Marine Location Near Long Beach, MS
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location: 30.32, -89.14     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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Fxus64 klix 290024
afdlix
area forecast discussion
national weather service new orleans la
724 pm cdt Sun may 28 2017

Update Intense storms in northwest la will continue to surge
southeast this evening and should have enough of a punch to bring
a few severe wind gusts and possibly some hail to extreme
northwest portions of the outlook area. With that SPC has issued
severe thunderstorm watch 296 till 1am for that area. Evening
sounding showed very favorable lapse rates and quite a bit of
instability that these storms could still tap into. The lack of
shear and lack of ll convergence may lead to the storms
dissipating quickly as they move in southeast la. That said if the
storms cold pool with the amount of instability to work with a few
cells could continue to work deeper into the forecast area. Cab

Prev discussion issued 306 pm cdt Sun may 28 2017
discussion...

a generally unsettled pattern will prevail through most of the
forecast period. Weak front currently stretching from the great
lakes into central texas will continue to move toward the area
tonight. The front is expected to stall near the coast Monday and
into Tuesday, serving as a focus for showers and thunderstorms.

Thus am carrying likely pops for both days. QPF associated with
this front should be manageable - in the 1 to 3 inch range over
the course of the two days, though local amounts could be higher
if heavier storms move over the same areas. Overall cloudiness
should help keep highs in check, with afternoon temps forecast in
the low to mid 80s.

By Wednesday, the lingering boundary will be almost completely
dissipated, but should still provide just enough of a focus to
fire off a decent number of showers and thunderstorms. Am carrying
high end chance pops for most locations based on this thinking,
but with lower QPF compared to the previous two days. Highs may
climb a couple degrees higher than Monday Tuesday, but should
still top out in the mid 80s.

Thursday looks like the quietest day with respect to convective
coverage. The old frontal boundary is expected to be completely
dissipated and the next system will still be too far removed to
have a significant impact on the local weather.

By Friday and Saturday, a plume of deep gulf moisture will begin
to move into the area, and will interact with a weak upper trough
moving through the middle mississippi valley. This should be
enough to fire off scattered showers and thunderstorms and am
carrying solid chance pops both days.

During the second half of the work week, temperatures look fairly
steady in the upper 60s and lower 70s for morning lows and in the
mid to upper 80s for afternoon highs.

Aviation
PrimarilyVFR conditions will prevail at the TAF sites through the
evening hours. A few showers and thunderstorms will be possible for
the next couple of hours or so in the vicinity of an outflow
boundary now pushing south of interstate 10. MVFR ceilings will
dominate after 06z Monday with some light fog possible at the more
fog prone TAF sites. Scattered to numerous convection is expected to
impact the terminals on Monday.

Marine
Light to occasionally moderate onshore flow will prevail across the
coastal waters through the upcoming week as a ridge of high pressure
remains over the eastern gulf .Short term...

Long term
Aviation
Of mexico and florida. A weak cold
front will approach the coastal waters Monday into Tuesday, but will
stall near the coast before dissipating by Wednesday.

Decision support
Dss code... Green.

Deployed... None.

Activation... None.

Activities... Monitoring flooding along the mississippi river.

Severe thunderstorm storm watch 296
decision support services (dss) code legend
green = no weather impacts that require action
blue = long fused watch warning advisory in effect or high
visibility event
yellow = heightened impacts with short fused watch warning advisory
issuances; radar support
orange = high impacts - slight to moderate risk severe; nearby
tropical events; hazmat or other large episodes
red = full engagement for moderate tonight risk svr and or
direct tropical threats; events of national significance

Preliminary point temps pops
Mcb 71 83 68 81 50 70 50 70
btr 73 84 69 81 50 70 50 60
asd 73 86 72 84 40 50 40 60
msy 74 85 74 84 40 50 40 60
gpt 74 83 73 83 40 50 40 50
pql 72 85 71 84 40 40 40 50

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 10 mi46 min NW 7 G 8 78°F 81°F1015.5 hPa (+0.5)
OSTF1 - Stennis Test Facility 25 mi56 min NNW 3.9 G 9.7 75°F 1017.2 hPa (+1.2)73°F
DKCM6 - 8741501 - Dock C, Pascagoula, MS 30 mi46 min SW 1.9 G 2.9 79°F 1015.6 hPa (+0.5)
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 31 mi46 min 78°F
42067 - USM3M02 32 mi126 min SW 7.8 G 9.7 80°F 3 ft1015.6 hPa76°F
RARM6 - 8741094 - Range A rear, Pascagoula, MS 33 mi46 min W 2.9 G 5.1 80°F 1015.4 hPa (+0.8)
ULAM6 - 8741041 - Dock E. Port of Pascagoula, MS 34 mi46 min 82°F
PTBM6 - 8741003 - Petit Bois Island, MS 34 mi46 min WSW 11 G 13 79°F 1016.6 hPa (+0.8)
GDXM6 - Grand Bay Reserve, MS 38 mi61 min NW 1.9 79°F 1017 hPa75°F
SHBL1 - 8761305 - Shell Beach, LA 42 mi46 min WNW 14 G 18 80°F 83°F1015.2 hPa (+0.3)
KATA1 - Katrina Cut, AL 49 mi76 min W 8 80°F 1015.9 hPa

Wind History for West Pier, Port of Gulfport, MS
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Gulfport - Gulfport-Biloxi International Airport, MS7 mi53 minWNW 38.00 miOvercast79°F75°F88%1015.5 hPa
Keesler Air Force Base / Biloxi, MS14 mi1.8 hrsN 010.00 miOvercast79°F75°F88%1016.5 hPa

Wind History from GPT (wind in knots)
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Last 24hrS4SW5SW5W5NW5N3CalmCalmS7S6S7
G15
NW10E10SE7SE7S5S10S12
G18
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G20
SW4SW5N4NW4W3
1 day agoSW56S5SW5S3S5SW7SW4S7S8S7S9
G17
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S8S6S8S7S7S9S7S6SW7
2 days agoS5S5S5S4S6S9S10
G15
S7S7S10S8S10S8S9
G15
SE10S10SE9S5S6S6S7S8
G15
S6--

Tide / Current Tables for Gulfport, Gulfport Harbor, Mississippi
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Gulfport
Click for Map
Mon -- 05:55 AM CDT     Sunrise
Mon -- 09:58 AM CDT     Moonrise
Mon -- 01:51 PM CDT     2.04 feet High Tide
Mon -- 07:52 PM CDT     Sunset
Mon -- 11:50 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.2-0.100.10.30.50.70.911.21.51.71.92221.81.61.310.60.30.1-0

Tide / Current Tables for Cat Island (West Point), Mississippi
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Cat Island (West Point)
Click for Map
Mon -- 12:38 AM CDT     -0.46 feet Low Tide
Mon -- 05:56 AM CDT     Sunrise
Mon -- 09:59 AM CDT     Moonrise
Mon -- 01:10 PM CDT     2.09 feet High Tide
Mon -- 07:52 PM CDT     Sunset
Mon -- 11:50 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.4-0.5-0.4-0.2-0.10.20.50.711.41.61.922.12.121.81.51.20.90.60.30.1-0.1

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Southeast    EDIT
Geos

Wind Forecast for New Orleans/Baton Rouge, LA (3,6,7,8)
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Ground Weather Radar Station Mobile, AL
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weather_mapweather_map weather_map

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.