Thursday, December5, 2019
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Marine Weather and Tides
Seminary, MS

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:40AMSunset 4:55PM Thursday December 5, 2019 1:16 PM CST (19:16 UTC) Moonrise 2:21PMMoonset 1:29AM Illumination 64% Phase: Waxing Gibbous; Moon at 9 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- 1005 Am Cst Thu Dec 5 2019
Rest of today..Southeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Tonight..South winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers after midnight.
Friday..South winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Showers likely.
Friday night..South winds near 5 knots becoming north in the late evening. Waves less than 1 foot. Dominant period 4 seconds. Waves or seas building to 1 to 2 feet. Dominant period 4 seconds after midnight. Slight chance of showers in the evening.
Saturday..Northeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Saturday night..Northeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Sunday..East winds 5 to 10 knots becoming south in the afternoon. Waves 1 foot or less. Dominant period 4 seconds.
Sunday night..South winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Monday..South winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers.
Monday night..Southwest winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 1005 Am Cst Thu Dec 5 2019
Synopsis..A cold front will move across the north gulf Friday and Friday night. High pressure will settle over the north central gulf over the weekend. Another cold front will approach the area Tuesday.


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 051729 AAA AFDJAN

Area Forecast Discussion . UPDATED National Weather Service Jackson MS 1129 AM CST Thu Dec 5 2019

UPDATE. Updated for 18Z aviation discussion

AVIATION. 18Z TAF discussion: VFR conditions will prevail at all sites throughout the day today. Then expect some lowering ceilings early tomorrow morning after 09z due to low clouds moving in with this system. With this, -RA will also become increasingly likely from west to east. /JNE/

DISCUSSION. Quiet weather will persist through today as a high pressure is still centered over much of the ArkLaMiss. Some high clouds are building in currently in the west but won't be of any concern for today. Not much needed to be changed, the previous forecast was very much on track. Highs will be in the upper 60s for most of the area and near 70s in the southwest./JNE/

Prior discussion below:

Today through tonight: Forecast guidance has not wavered much in showing a that a shortwave trough will approach the area later today and tonight. Developing return flow will bring milder temperatures and increasing clouds, but shower chances are not expected to increase in earnest until close to daybreak Friday. Convective instability should be just enough to support getting a few storms by that time, and moisture transport could support a few heavy downpours, but no significant impacts are expected with rainfall totals generally less than an inch on average given the progressive nature of the system. /EC/

Friday through next Wednesday: As we begin the period Friday, the previously mentioned shortwave trough will be in the process of shifting east southeast across the Ozarks and through the forecast area during the course of the day. At the surface, this will result in a surface low developing and racing east southeast into and across the forecast area from early Friday morning into Friday evening. Showers, along with a few isolated storms, will likewise spread across the CWA during this time, with rain chances ending over eastern portions of the forecast area late Friday night.

Behind this system, northwest flow will again advect a slightly cooler drier airmass into the region for the first half of the upcoming weekend. The aforementioned system looks to hang-up over the North Central Gulf of Mexico Saturday. A series of subtle disturbances aloft will traverse the region, as the once stalled system washes out, and the remaining moisture associated with it gets pulled northward across Alabama. This could potentially bring an isolated shower or two to portions of East and Southeast Mississippi Sunday and Sunday night.

As we start the new work week, a broad trough will drop southeast out of the Intermountain West into the Great Plains Sunday night into Monday. This will result in flow aloft across the CWA increasing, in addition to an increase in isentropic upglide ac. ross the region. This will bring an increase in rain chances across the forecast area Monday.

These rain chances will persist into Tuesday as the trough swings east through the region. This will push a cold front southeast into and across the forecast area overnight Monday into Tuesday. Rain chances will gradually come to an end Tuesday night. High pressure will build back into the CWA Wednesday from the northwest, resulting in a return to cooler drier conditions. /19/

PRELIMINARY POINT TEMPS/POPS. Jackson 68 51 68 48 / 0 36 90 18 Meridian 68 47 67 49 / 0 23 85 30 Vicksburg 71 54 69 47 / 0 44 81 12 Hattiesburg 68 48 72 51 / 0 21 71 36 Natchez 70 54 72 51 / 0 31 58 11 Greenville 66 52 64 45 / 0 74 100 10 Greenwood 66 52 63 46 / 0 61 100 14

JAN WATCHES/WARNINGS/ADVISORIES. MS . None. LA . None. AR . None.



JNE


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 82 mi53 min SSE 6 G 8.9 60°F 56°F1020.7 hPa

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 mi21 minVar 510.00 miFair65°F37°F37%1020.1 hPa
Hattiesburg, Bobby L Chain Municipal Airport, MS23 mi24 minVar 310.00 miFair66°F35°F32%1019.7 hPa

Link to 5 minute data for KPIB

Wind History from PIB (wind in knots)
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Last 24hr6N6NW3CalmCalmNW3CalmW3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSE4SE435
1 day agoSW53W4CalmCalmCalmCalmSW3SW3CalmCalmCalmCalmCalmCalmCalmCalm3CalmCalmNE5N7N7N5
2 days agoNW10
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NW9NW5NW4NW6N4NW4NW4NW3N3NW3W3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm

Tide / Current Tables for Bay Waveland Yacht Club, Bay St. Louis, Mississippi
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Bay Waveland Yacht Club
Click for Map
Thu -- 12:28 AM CST     Moonset
Thu -- 02:54 AM CST     0.99 feet Low Tide
Thu -- 03:51 AM CST     0.99 feet High Tide
Thu -- 06:39 AM CST     Sunrise
Thu -- 01:19 PM CST     Moonrise
Thu -- 02:39 PM CST     0.44 feet Low Tide
Thu -- 04:56 PM CST     Sunset
Thu -- 11:12 PM CST     0.99 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1111110.90.80.70.70.60.60.60.50.50.40.50.60.70.80.80.911

Tide / Current Tables for Waveland, Mississipi Sound, Mississippi
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Waveland
Click for Map
Thu -- 12:12 AM CST     1.04 feet High Tide
Thu -- 12:28 AM CST     Moonset
Thu -- 01:05 AM CST     1.04 feet Low Tide
Thu -- 04:35 AM CST     1.10 feet High Tide
Thu -- 06:39 AM CST     Sunrise
Thu -- 01:19 PM CST     Moonrise
Thu -- 02:23 PM CST     0.56 feet Low Tide
Thu -- 04:56 PM CST     Sunset
Thu -- 10:44 PM CST     1.00 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1111.11.11.11.110.90.80.80.70.60.60.60.60.60.70.80.80.90.911

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
Wind Forecast for Jackson, MS (14,3,4,5)
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Ground Weather Radar Station Jackson/Brandon, MS
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weather_mapweather_map weather_map

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 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.