Monday, September21, 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 6:44AMSunset 6:55PM Monday September 21, 2020 10:32 PM CDT (03:32 UTC) Moonrise 11:25AMMoonset 10:13PM Illumination 23% Phase: Waxing Crescent; Moon at 5 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- 1002 Pm Cdt Mon Sep 21 2020
.small craft advisory in effect through Wednesday morning...
Rest of tonight..East winds 20 to 25 knots. Waves 3 to 6 feet. Dominant period 4 seconds. Chance of showers.
Tuesday..East winds 20 to 25 knots. Waves 3 to 5 feet. Dominant period 4 seconds. Chance of showers in the morning, then showers likely in the afternoon.
Tuesday night..East winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds. Chance of showers.
Wednesday..Southeast winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds. Showers likely through the day. Chance of Thunderstorms in the afternoon.
Wednesday night..Southeast winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds. Showers likely and chance of Thunderstorms.
Thursday..South winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Showers likely and chance of Thunderstorms.
Thursday night..South winds 10 to 15 knots. Waves 1 to 3 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Friday..Southeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Friday night..Southeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of Thunderstorms in the evening. Chance of showers through the night.
Saturday..Southeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers through the day. Slight chance of Thunderstorms in the afternoon.
Saturday night..South winds 5 to 10 knots becoming west after midnight. Waves 1 to 2 feet. Chance of showers and slight chance of Thunderstorms.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 1002 Pm Cdt Mon Sep 21 2020
Synopsis..Tropical storm beta, located over the western gulf of mexico, is slowly but steadily approaching the texas coast with landfall expected tonight through early Tuesday. Meanwhile, high pressure over the eastern u.s. Is interacting with the circulation of beta to provide strong easterly flow across the coastal waters. Refer to the latest advisories issued by the national hurricane center regarding tropical storm beta.


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 220255 AAB AFDJAN

Area Forecast Discussion . UPDATED National Weather Service Jackson MS 955 PM CDT Mon Sep 21 2020

UPDATE.

Updated for evening discussion.

DISCUSSION.

Current low temperatures forecast looks to be on track, given persistent cloud cover and steady east winds overnight. The lower and mid levels are more saturated across northeast Louisiana and southeast Arkansas into western Mississippi, and it's in these areas that overnight light to moderate rain will be more probable. Rain rates with the current band lifting northward away from TS Beta's circulation have been fairly light through the day today - at least in our area. It looks like at least some break in measurable rainfall will occur through early Tuesday morning, and then chances begin to increase again as we head into the later morning hours as another band propagates away from Beta. /NF/

Prior discussion below:

Tonight & tomorrow .

Tonight: As surface high remains parked over New England & southeast CONUS/eastern Gulf of Mexico, Beta is expected to make landfall or straddle the coastline by daybreak tomorrow. With continued tropical moisture feed/overrunning on the northern periphery of the baroclinic zone/warm front, expect scattered rain chances to persist into the evening hours. Some localized, but long-duration, rain totals are possible, generally near the Bastrop/Columbia line. However, decreasing moisture feed should help any isentropic rain showers to decrease in coverage & migrate west of the Mississippi River before midnight. However, this may only be temporary as some increasing low-level convergence helps spark some more early morning rain showers across central & western areas. With broad southwesterly flow aloft, widespread clouds/showers will keep above normal lows in the low-mid 60s areawide.

Tuesday: The synoptic & surface pattern will be mostly unchanged, with the Hurricane Teddy becoming absorbed into the upper flow off the coast of New England. Mid-level ridge axis will slowly build further south into the Gulf of Mexico, which will coincide with Beta making landfall along the Texas Coastline. A closed low will also be prevalent near the Ozarks. Persistence will be the key as the warm front & baroclinic zone will only lift slight to the northeast near the Texas/Louisiana border. With broad moist low-mid level south-southeasterly, continued soupy 2+ inch PWs tropical airmass will keep an early start to rain showers across areas from the northwest into the Jackson Metro & Interstate 59 corridor. More broad ascent & any MCVs, which is possible in this environment, could help some localized banding. However, heavier rain totals look to be in areas that didn't receive as much today, generally west of the Mississippi River. Therefore, kept the HWO clear of any mention for Tuesday. However, this is highly mesoscale driven & details are tough to iron out in these marginal type situations. This will also help prime the environment for flash flooding potential as Beta moves in mid-week. Below normal high temperatures are expected generally in the low-mid 70s & leaned towards cooler consensus of RAW guidance. /DC/

Tuesday night through the week .

The main concern for the week will be the track of Tropical Storm Beta and how it impacts the ArkLaMiss region. Beta will continue to meander along or near the Texas coast through much of the week. Moisture from Beta will continue to spread into portions of our region, especially in the southern parts of the forecast area. This will result in sporadic bands of showers across the region. Beta looks to begin to track east into Louisiana and Mississippi by later into the week as a tropical depression. This will help increase rainfall across our region. Generally, up to three inches may be possible during this time period. A limited risk was inherited for the area for this risk of localized flooding, which also mirrors the outlooks from WPC and will be kept in tact for this forecast cycle.

Heading into the weekend, rainfall will continue to affect portions of the forecast area. This comes as an upper trough will linger across the region through the weekend. This trough will push east across the region by late Sunday into Monday as another cold front pushes into the region for early next week. /28/

AVIATION. 00Z TAF discussion: VFR ceilings will prevail over the area through the period. Isolated light showers will also continue, but very little impacts are expected./GG/

PRELIMINARY POINT TEMPS/POPS. Jackson 63 71 63 76 / 21 63 64 79 Meridian 62 72 63 76 / 18 34 46 64 Vicksburg 65 71 64 76 / 26 73 71 79 Hattiesburg 63 73 64 78 / 18 44 46 71 Natchez 64 72 66 78 / 24 75 67 83 Greenville 64 70 62 72 / 24 72 79 81 Greenwood 63 73 61 73 / 20 60 70 76

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



NF/DC/GG/28


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 82 mi45 min E 16 G 21 72°F 71°F1019.4 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 mi37 minENE 710.00 miOvercast67°F62°F84%1021.2 hPa
Hattiesburg, Bobby L Chain Municipal Airport, MS23 mi40 minE 810.00 miPartly Cloudy68°F61°F78%1020.8 hPa

Link to 5 minute data for KPIB

Wind History from PIB (wind in knots)
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Tide / Current Tables for Bay Waveland Yacht Club, Bay St. Louis, Mississippi
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Bay Waveland Yacht Club
Click for Map
Mon -- 02:14 AM CDT     2.02 feet High Tide
Mon -- 06:45 AM CDT     Sunrise
Mon -- 11:22 AM CDT     Moonrise
Mon -- 11:51 AM CDT     0.40 feet Low Tide
Mon -- 06:54 PM CDT     Sunset
Mon -- 10:14 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.81.9221.91.71.51.210.80.60.40.40.40.50.60.60.80.91.11.31.41.51.7

Tide / Current Tables for Waveland, Mississipi Sound, Mississippi
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Waveland
Click for Map
Mon -- 02:14 AM CDT     1.97 feet High Tide
Mon -- 06:45 AM CDT     Sunrise
Mon -- 11:22 AM CDT     Moonrise
Mon -- 12:00 PM CDT     0.44 feet Low Tide
Mon -- 06:54 PM CDT     Sunset
Mon -- 10:14 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.81.921.91.81.71.51.31.10.80.60.50.40.50.50.60.70.811.21.31.51.61.7

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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