Saturday, April20, 2019 L-36.com


Marine Weather and Tides
West Hattiesburg, MS

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:22AMSunset 7:30PM Saturday April 20, 2019 11:23 AM CDT (16:23 UTC) Moonrise 9:01PMMoonset 7:28AM Illumination 99% Phase: Waning Gibbous; Moon at 16 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- 1013 Am Cdt Sat Apr 20 2019
Rest of today..Northwest winds 10 to 15 knots. Waves 3 to 5 feet. Dominant period 4 seconds.
Tonight..Northwest winds 10 to 15 knots becoming north near 5 knots after midnight. Waves 1 to 2 feet. Dominant period 4 seconds. Waves subsiding to less than 1 foot after midnight. Dominant period 4 seconds after midnight.
Sunday..North winds near 5 knots becoming south in the late morning and afternoon. Waves less than 1 foot. Dominant period 4 seconds. Waves building to 1 to 2 feet in the afternoon. Dominant period 4 seconds in the afternoon.
Sunday night..South winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Monday..Southeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Monday night..Southeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Tuesday..Southeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Tuesday night..Southeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Wednesday..Southeast winds 10 to 15 knots. Waves 1 foot or less. Dominant period 4 seconds. Waves building to 1 to 3 feet in the afternoon. Dominant period 4 seconds in the afternoon.
Wednesday night..Southeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 1013 Am Cdt Sat Apr 20 2019
Synopsis..High pressure will continue to build into the area today and tonight and then remain in place through Tuesday. The area of high pressure should then shift toward the eastern gulf on Wednesday as a low pressure system moves into texas.


7 Day Forecast for Marine Location Near West Hattiesburg, MS
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location: 31.29, -89.51     debug


Area Discussion for - Jackson, MS
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Fxus64 kjan 201413
afdjan
area forecast discussion
national weather service jackson ms
913 am cdt Sat apr 20 2019

Update
Updated for morning discussion.

Discussion
Sunny and dry conditions are expected today. Breezy northwest
winds over the northeast will gradually subside later this
afternoon as the departing low pressure system moves farther
northeast of the region. No changes were needed to the current
forecast. 22
prior discussion below:
today through tonight... The upper low will shift east of the
arklamiss region during the near term bringing an end to the showery
conditions. Sunny skies and less wind will make for a much more
comfortable day with temperatures managing to reach the upper 60s to
lower 70s this afternoon over nearly all of the forecast area.

Eastern portions of ms will still experience a tighter pressure
gradient however, resulting in impactful wind gusts for another day,
and have included a limited threat in the hwo graphics there. As we
go through tonight, expect weak surface high pressure to become
centered over the region. Clear skies and light wind will make for
ideal cooling conditions and have thus followed cooler guidance for
lows. Ec
Sunday through next week...

warmer conditions will begin to prevail on easter day as surface
and upper level ridging encompass the region. Expect highs to be
near their normal values. Dry conditions will persist through the
late weekend and early week period. The warming trend will
continue through mid week as the upper ridge remains over the
region and the surface high slides just to the east of the region.

Rain chances won't begin to increase until we get into the 2nd
half of the work week as isentropic ascent begins to increase over
the region in response to a trough beginning to dig across the
southern plains. Model guidance continues to progress this trough
across the southern us, eventually approaching the lower ms river
valley by Thursday. Model trends haven't changed that much with
the latest 00z runs, with the euro still depicting the slower,
more amplified solution which closes the upper low off as it
progresses through the arklamiss on Friday, while the GFS keeps
the trough mainly open as it swings through the region late
Thursday. The amount of available instability ahead of this
system and how far north that instability nudges into our region
from the gulf will play a key role in our region's severe threat
during this period. As of right now, the only thing that bears
confidence is widespread rain chances during this time frame. This
system will remain the focus of forecasts during the upcoming
days.

Aviation
12z TAF discussion:
with the cold core pulling away, expect clouds precip to exit the
area withVFR conditions then prevailing through the weekend.

Strong wind gusts will be a concern in the gtr-mei corridor
during the day Saturday, but wind will be on the decrease compared
to yesterday.

Preliminary point temps pops
Jackson 69 44 77 50 0 0 0 0
meridian 69 44 78 48 0 0 0 0
vicksburg 70 47 77 52 0 0 0 0
hattiesburg 70 41 78 48 0 0 0 0
natchez 71 45 77 51 0 0 0 0
greenville 70 49 76 54 0 0 0 0
greenwood 68 48 77 53 0 0 0 0

Jan watches warnings advisories
Ms... None.

La... None.

Ar... None.

22


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 67 mi35 min NW 12 G 19 62°F 66°F1017.4 hPa

Wind History for Bay Waveland Yacht Club, MS
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hattiesburg, Bobby L Chain Municipal Airport, MS14 mi30 minNW 10 G 1910.00 miFair63°F30°F29%1016.8 hPa
Hattiesburg/Laurel, Hattiesburg-Laurel Regional Airport, MS16 mi27 minNW 11 G 1810.00 miFair63°F33°F33%1016.8 hPa

Wind History from HBG (wind in knots)
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W6W6NW8W4W6SW45W5SW7W4W8W5W10NW11NW11NW10
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N6E74N4CalmSW4W6W7W6W9NW11
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2 days agoSE9S6SE7SE10SE6S9S8S10S6SE8SE4S6SE11S10S8S6SE5SE4SE3SE4CalmSE5SE8S10

Tide / Current Tables for Waveland, Mississipi Sound, Mississippi
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Waveland
Click for Map
Sat -- 06:24 AM CDT     Sunrise
Sat -- 07:27 AM CDT     Moonset
Sat -- 12:48 PM CDT     1.79 feet High Tide
Sat -- 07:27 PM CDT     Sunset
Sat -- 08:59 PM CDT     Moonrise
Sat -- 10:18 PM CDT     0.03 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.50.70.80.91.11.11.21.21.31.51.61.81.81.71.61.41.20.90.60.30.100

Tide / Current Tables for Bay Waveland Yacht Club, Bay St. Louis, Mississippi
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Bay Waveland Yacht Club
Click for Map
Sat -- 06:24 AM CDT     Sunrise
Sat -- 07:27 AM CDT     Moonset
Sat -- 12:53 PM CDT     1.83 feet High Tide
Sat -- 07:27 PM CDT     Sunset
Sat -- 08:59 PM CDT     Moonrise
Sat -- 10:17 PM CDT     0.10 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.60.70.80.911.11.21.21.31.51.71.81.81.81.61.41.20.90.60.40.20.10.1

Weather Map and Satellite Images
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wmap_A
GOES 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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Jackson, MS (12,3,4,5)
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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.