Wednesday, October28, 2020
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Marine Weather and Tides
Seminary, MS

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 7:09AMSunset 6:12PM Wednesday October 28, 2020 9:52 AM CDT (14:52 UTC) Moonrise 5:05PMMoonset 4:27AM 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- 424 Am Cdt Wed Oct 28 2020
.hurricane warning in effect...
Today.. Hurricane conditions expected. Southeast winds 20 to 25 knots rising to 60 to 70 knots with gusts to near 85 knots in the afternoon. Waves 3 to 5 feet. Dominant period 4 seconds. Waves or seas building to 4 to 7 feet with occasional waves to 8 feet. Dominant period 4 seconds in the afternoon. Showers and slight chance of Thunderstorms.
Tonight.. Hurricane conditions expected. Southwest winds 60 to 70 knots with gusts to near 85 knots easing to 20 to 25 knots after midnight. Waves 5 to 8 feet with occasional waves to 9 feet. Dominant period 4 seconds. Waves or seas subsiding to 3 to 5 feet with occasional waves to 5 feet. Dominant period 4 seconds after midnight. Showers in the evening. Slight chance of Thunderstorms through the night. Chance of showers after midnight.
Thursday..West winds 20 to 25 knots. Waves 3 to 5 feet. Dominant period 4 seconds. Slight chance of showers and Thunderstorms in the morning.
Thursday night..Northwest winds 15 to 20 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Friday..North winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Friday night..Northeast winds 10 to 15 knots. Waves 1 to 3 feet. Dominant period 4 seconds.
Saturday..East winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Saturday night..Northeast winds 5 to 10 knots becoming north after midnight. Waves less than 1 foot. Dominant period 4 seconds. Waves or seas building to 1 to 3 feet. Dominant period 4 seconds after midnight.
Sunday..North winds 10 to 15 knots. Waves 1 to 3 feet.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 424 Am Cdt Wed Oct 28 2020
Synopsis..Hurricane zeta, located in the south-central gulf of mexico will move northward towards the north-central gulf coast this morning before turning north-northeast. Zeta is expected to make landfall later this evening along the southeast louisiana coastline. Refer to the latest advisories issued by the national hurricane center regarding tropical storm zeta.


7 Day Forecast for Marine Location Near Seminary, MS
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location: 31.5, -89.56     debug


Area Discussion for - Jackson, MS
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FXUS64 KJAN 281106 AFDJAN

Area Forecast Discussion National Weather Service Jackson MS 606 AM CDT Wed Oct 28 2020

UPDATE. Updated for 12Z aviation discussion

AVIATION. 12Z TAF discussion: LIFR/IFR conditions dominate most of Central MS and will throughout the pd. Increasing showers and thunderstorms with intermittent reductions in vis ahead of Hurricane Zeta as well as a frontal boundary approaching from the west. Low clouds will keep the flight categories limited through 24 hrs, any breaks in clouds will be very short lived. Concerns for high winds/trop storm force winds in PIB/HBG as Hurricane Zeta approaches the Gulf Coast later this afternoon/evening . and concerns stretch as far inland as MEI for later in the evening.

DISCUSSION. Today and Tonight . Clouds and rain are expected throughout the day as Hurricane Zeta approaches the Gulf Coast. Currently located in the central Gulf of Mexico, Hurricane Zeta is expected to make landfall in sern LA later this evening before turning to the northeast and moving through southeastern and eastern MS before moving into AL. Across the country, a deep 500 mb low is moving from the SW into western TX, as a subtropical ridge remains anchored east of FL. Hurricane Zeta is slowly accelerating northward between them before being pulled out to the northeast. NHC is forecasting a landfall as a Cat 1, with the storm quickly losing strength upon landfall. Forecast has tropical storm force winds possible through portions of southeastern MS . with the slight westward adjustment trends of the official forecast. The storm will be moving quickly, and expect the conditions to begin improving around midnight and just after. In summary, low clouds and increasing precipitation will continue through the day as winds become more southeasterly ahead of the storm. Winds will generally be around 10 to 15 mph, as the gusts increase to 15-25 mph by this afternoon. Tropical storm force winds will be possible in the southeast in the 21Z-03Z time frame this evening . but forecast wind radii are far more pronounced on the eastern side of the storm as the upper trough picks up the storm and accelerates it to the northeast and out of the area. Rainfall totals for the storm are also higher in the southeast, and the qpf totals in excess of 3 inches are confined to along and southeast of the I-59 corridor. No adjustments to the FF.A are anticipated this morning.

Tomorrow through Tuesday . The forecast period starts off tomorrow with a vertically stacked closed low opening into a shortwave trough as it swings through the ArkLaTex and into the Tennessee Valley as it becomes absorbed into northern stream flow. The remnants of Zeta will also be lifting northeast into the Southern Appalachians. At the surface, a strong cold front is progged to be located over eastern Mississippi and will continue to push east into Alabama through the day. A seasonably dry and cool airmass will be quickly ushered into the area behind the front. A few showers may linger tomorrow morning along the Hwy 82 corridor, but otherwise dry weather is expected across the area.

Dry and cool weather will continue into the weekend beneath zonal flow aloft. The shallow cool air will keep afternoon highs in the low to upper 60s with overnight lows dropping into the low to mid 40s. A potent northern stream trough swinging through the Northern Plains and into the Great Lakes region will send a dry cold front through the area on Sunday which will further reinforce the modified

PRELIMINARY POINT TEMPS/POPS. Jackson 77 52 61 46 / 94 86 7 0 Meridian 78 59 67 48 / 91 96 8 0 Vicksburg 78 49 59 46 / 91 72 5 0 Hattiesburg 78 59 68 46 / 92 89 4 0 Natchez 78 49 61 46 / 90 61 3 0 Greenville 73 49 57 43 / 93 87 15 0 Greenwood 75 51 59 44 / 92 88 17 0

JAN WATCHES/WARNINGS/ADVISORIES. MS . Flash Flood Watch through Thursday morning for MSZ052-057-058- 064>066-072>074.

Tropical Storm Warning for MSZ052-058-066-073-074.

LA . None. AR . None.



HJS


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 82 mi52 min ESE 14 G 16 82°F 76°F1012.6 hPa (+0.3)

Wind History for Bay Waveland Yacht Club, MS
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hattiesburg/Laurel, Hattiesburg-Laurel Regional Airport, MS12 mi56 minSE 610.00 miOvercast75°F75°F100%1013.5 hPa
Hattiesburg, Bobby L Chain Municipal Airport, MS23 mi4 hrsN 010.00 miOvercast74°F72°F94%1012.8 hPa

Link to 5 minute data for KPIB

Wind History from PIB (wind in knots)
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Last 24hrNE5E6E4SE5SE6E5NE6NE5NE6NE5E8CalmE3SE3SE3SE4E3SE5SE5E6SE8SE7--SE6
1 day agoNE3NE5E33E5SE53SE5E3CalmCalmN3CalmNE3NE3N7NE5NE5N3N5N4NE4N4E5
2 days agoN5N4N4N4NE3N3N4N6CalmCalmCalmCalmCalmCalmNW3N5N5N4N5N5N5N7NE5E4

Tide / Current Tables for Bay Waveland Yacht Club, Bay St. Louis, Mississippi
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Bay Waveland Yacht Club
Click for Map
Wed -- 01:41 AM CDT     1.23 feet High Tide
Wed -- 04:27 AM CDT     Moonset
Wed -- 05:57 AM CDT     0.97 feet Low Tide
Wed -- 07:09 AM CDT     Sunrise
Wed -- 01:23 PM CDT     1.25 feet High Tide
Wed -- 05:03 PM CDT     Moonrise
Wed -- 06:12 PM CDT     Sunset
Wed -- 06:34 PM CDT     0.93 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.11.21.21.21.11111.11.11.11.21.21.21.21.21.110.90.911.11.11.2

Tide / Current Tables for Waveland, Mississipi Sound, Mississippi
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Waveland
Click for Map
Wed -- 01:24 AM CDT     1.29 feet High Tide
Wed -- 04:27 AM CDT     Moonset
Wed -- 05:22 AM CDT     1.14 feet Low Tide
Wed -- 07:09 AM CDT     Sunrise
Wed -- 12:28 PM CDT     1.37 feet High Tide
Wed -- 05:03 PM CDT     Moonrise
Wed -- 06:12 PM CDT     Sunset
Wed -- 06:39 PM CDT     1.11 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.21.31.31.21.21.11.11.21.21.31.31.31.41.41.31.31.21.21.11.11.11.21.21.3

Weather Map
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wmap_A
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
Ground Weather Radar Station Jackson/Brandon, MS
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Gulf Stream Current



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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.