Monday, January27, 2020
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Marine Weather and Tides
West Hattiesburg, MS

Version 3.4
NOTICE
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 6:51AMSunset 5:28PM Monday January 27, 2020 10:49 PM CST (04:49 UTC) Moonrise 9:49AMMoonset 9:09PM Illumination 10% Phase: Waxing Crescent; Moon at 3 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 Cst Mon Jan 27 2020
Rest of tonight..Northeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Tuesday..East winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Tuesday night..Southeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers late in the evening. Showers likely after midnight.
Wednesday..Southeast winds 10 to 15 knots becoming northwest in the afternoon. Waves 2 to 4 feet. Dominant period 4 seconds. Showers likely in the morning, then slight chance of showers in the afternoon.
Wednesday night..North winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Thursday..Northeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Thursday night..Northeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers after midnight.
Friday..Northeast winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Chance of showers.
Friday night..North winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers.
Saturday..Northwest winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Slight chance of showers in the morning.
Saturday night..Northwest winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 952 Pm Cst Mon Jan 27 2020
Synopsis. High pressure will build in from the north into Tuesday before the next low pressure system is expected to move west to east across the coastal waters mid week.


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 280339 AFDJAN

Area Forecast Discussion National Weather Service Jackson MS 939 PM CST Mon Jan 27 2020

UPDATE. Updated for evening discussion.

DISCUSSION. Have made some minor updates to the forecast this evening. Earlier, had to pull back the stratus as the clouds cleared the forecast area before sunset . and the fog has preceded 06z as a result. Have put in a mention for some patchy fog in the south and east before midnight, then becoming more widespread through the overnight. Models still limit the areal extent of the fog, instead developing a low stratus deck . and have followed that as well.

Prior discussion below:

Tonight and Tuesday:

Satellite imagery shows and surface observations confirm that the stratus layer has been slow to erode so far today but, sunshine will be seen this afternoon by at least the northern half of the CWA before sunset. The clouds will continue to erode this evening before building back across the region toward morning. Patchy fog will likely develop after midnight but dense fog development should be limited by the cloud redevelopment. Otherwise, dry weather is expected tonight and Tuesday morning but, rain chances will return to our western zones Tuesday afternoon. Surface ridging and shortwave ridging aloft will move over our CWA tonight then shift east Tuesday. This will allow for light return flow Tuesday ahead of a low pressure system moving over the Southern Plains. This low pressure system will shift east through the day and help develop light rain over our western most zones by mid afternoon. Temperatures tonight will range from the upper 30s northeast to the lower 40s southwest which is slightly warmer than normal. Temperatures Tuesday afternoon are expected to top out from the mid 60s southeast which is above normal but, be held to the mid 50s northwest which is near normal. /22/

Tuesday night through Monday:

The forecast period starts off tomorrow night with an active flow regime characterized by several fast moving shortwave troughs across the CONUS. One of these shortwaves is progged to be located across the Southern Plains and is forecast to swing through the lower Mississippi River Valley Tuesday night through Wednesday. The surface low, initially over northern Louisiana, will shift to along the coastal baroclinic zone with plenty of forcing and moisture for widespread rainfall across the region. 0.25-1" of rainfall is expected with the highest totals generally along and south of the I-20 corridor in closer proximity to the surface low. Around 100 J/kg of MUCAPE could support an embedded lightning strike or two across southern portions of the area, but this will by far be the exception and not the rule.

Global model guidance quickly diverges heading into the middle to later portion of the work week. The forecast continues to be complicated by several competing shortwave troughs and guidance has struggle immensely during this timeframe with little to no consistency or agreement. The overall synopsis, however, is that quiet weather with seasonable temperatures will return early Thursday morning through Friday morning. A more amplified trough will start to take shape over the desert southwest during this time with the eventual ejection of the trough into the Southern Plains by the end of the week. The GFS/ECMWF solutions vary considerably, but rain chances are currently forecast to increase again on Friday. Given the uncertainty kept PoPs low and in line with model blends until guidance can come into better agreement with the evolution of the synoptic pattern. /TW/

AVIATION. 00Z TAF discussion: Not too much of a shift in the forecast. The stratus deck has eroded to the south, leaving VFR for this evening. Models develop some patchy fog under more of a radiational cooling situation. Lower visibilities in the forecast from last night given the mechanism in place, though low cigs redeveloping around 09-10Z time frame should limit the duration of any patchy fog < 1sm that develops. Conditions improve by mid morning to VFR with light southeasterly winds.

PRELIMINARY POINT TEMPS/POPS. Jackson 38 62 47 54 / 0 0 77 88 Meridian 37 63 45 52 / 0 0 58 88 Vicksburg 40 58 47 55 / 0 8 86 51 Hattiesburg 39 65 47 55 / 0 0 58 88 Natchez 42 61 48 56 / 0 6 86 38 Greenville 38 54 46 51 / 0 17 86 59 Greenwood 38 58 46 52 / 0 5 86 69

JAN WATCHES/WARNINGS/ADVISORIES. MS . None. 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 67 mi50 min 51°F 55°F1017.7 hPa (+0.7)

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 mi57 minN 01.25 miFog/Mist41°F39°F96%1017.7 hPa
Hattiesburg/Laurel, Hattiesburg-Laurel Regional Airport, MS16 mi54 minN 07.00 miMostly Cloudy39°F39°F100%1017.8 hPa

Link to 5 minute data for KHBG

Wind History from HBG (wind in knots)
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Last 24hr--------------------------N6N5NW5----N5CalmCalmCalmCalmCalm
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Tide / Current Tables for Waveland, Mississipi Sound, Mississippi
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Waveland
Click for Map
Mon -- 12:24 AM CST     1.32 feet High Tide
Mon -- 06:50 AM CST     Sunrise
Mon -- 08:46 AM CST     Moonrise
Mon -- 10:01 AM CST     -0.26 feet Low Tide
Mon -- 05:29 PM CST     Sunset
Mon -- 08:09 PM CST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.31.31.210.80.60.30.1-0.1-0.2-0.3-0.2-0.2-0.100.20.30.40.50.50.60.70.81

Tide / Current Tables for Bay Waveland Yacht Club, Bay St. Louis, Mississippi
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Bay Waveland Yacht Club
Click for Map
Mon -- 12:31 AM CST     1.40 feet High Tide
Mon -- 06:50 AM CST     Sunrise
Mon -- 08:46 AM CST     Moonrise
Mon -- 10:22 AM CST     -0.44 feet Low Tide
Mon -- 05:29 PM CST     Sunset
Mon -- 08:09 PM CST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.41.41.31.10.90.60.40.1-0.2-0.3-0.4-0.4-0.3-0.2-0.10.10.20.40.50.60.60.70.81

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Jackson, MS (23,6,7,8)
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Ground Weather Radar Station Mobile, AL
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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.