Monday, June26, 2017 L-36.com


Marine Weather and Tides
Seminary, MS

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 5:53AMSunset 8:06PM Monday June 26, 2017 7:21 AM CDT (12:21 UTC) Moonrise 8:43AMMoonset 10:33PM Illumination 6% Phase: Waxing Crescent; Moon at 2 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-lake Borgne- 331 Am Cdt Mon Jun 26 2017
Today..East winds 10 to 15 knots becoming southeast 5 to 10 knots late. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers and Thunderstorms.
Tonight..South winds 5 to 10 knots becoming north after midnight. Waves 1 foot or less. Dominant period 4 seconds. Slight chance of showers and Thunderstorms.
Tuesday..Northeast winds 5 to 10 knots becoming south late in the afternoon. Waves 1 foot or less. Dominant period 4 seconds. Slight chance of showers and Thunderstorms.
Tuesday night..South winds 5 to 10 knots becoming southeast after midnight. Waves 1 foot or less. Dominant period 4 seconds. Slight chance of showers and Thunderstorms.
Wednesday..Southeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Wednesday night..South winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Thursday..Southeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Thursday night..South winds near 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers and Thunderstorms.
Friday..South winds near 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Friday night..South winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Slight chance of showers and Thunderstorms.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 331 Am Cdt Mon Jun 26 2017
Synopsis..A cold front is located over the coastal waters this morning, serving as a focus for shower activity. Surface high pressure will begin to build in from the north later today. The aforementioned frontal zone is expected to retreat north as a warm front late Tuesday with onshore flow becoming established across the coastal waters for the remainder of the week.

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 261135 aaa
afdjan
area forecast discussion... Updated
national weather service jackson ms
635 am cdt Mon jun 26 2017

Update
Updated for 12z aviation discussion.

Aviation
12z TAF discussion:
some fg and br will linger around the region early this morning,
but any impacts to TAF sites should be brief or non-existent.VFR
conditions and northeast winds with speeds less than 10 mph
expected through the period. Nf

Discussion
Today and tonight:
starting out this morning, prime radiational cooling conditions
have allowed a few isolated patches of fog to develop - mainly
in some of the river drainages across central mississippi.

Experimental goes-16 satellite imagery (10.3-3.9 micron) shows these
areas quite well. Visibility could drop as low as 1 to 2 miles in
these foggy patches. Any fog should quickly burn off after sunrise
as light northeast winds and daytime heating mix out the low-level
moisture. Today will feel quite pleasant for this time of year. A
cooler and drier airmass will continue to settle across the region
in the wake of the last "cold" front. Temperatures have dropped into
the low 60s early this morning, with even a 59 degree reading seen
already at starkville. Highs will be mostly in the mid to upper
80s. Light winds generally less than 10 mph from the northeast
and afternoon humidity values in the 35 to 45 percent range will
round out this nice late june forecast. Some mid-level and high
clouds will filter across the region as a shortwave passes to our
north, and lows tonight will be similarly cool. Nf
Tuesday into the weekend:
our region will start out the period a little cooler and drier
than average with a somewhat diffuse front stalled near southern
zones. This boundary could kick up a few isolated storms in the
afternoon Tuesday while the rest of the region enjoys a good
amount of Sun and highs in the upper 80s. The front should really
start to break up Tuesday night with deeper southerly flow
initiating. However, radiational cooling should still be pretty
good over the bulk of the region through the night and low
temperatures by early Wednesday morning will again be below normal
at most sites.

On Wednesday the air mass will really start changing as deep
moisture starts coming back into the region from the south in
earnest. A weak upper level low in the vicinity will work with the
regime and building instability in the afternoon to generate
isolated to scattered showers and storms later in the day, but
mainly along and south of interstate twenty. As has been the case
most of the summer, highs will struggle (or fail) to hit 90 in
most areas.

Late in the work week deep moisture will have totally recovered
across the whole of the lower mississippi valley and humidity will
be back in force. Although the upper low will be much more
diffuse and hard to pin point, model consensus still suggests a
weakness persisting overhead between the subtropical ridge axis
aloft encroaching from the south. Chances for mainly afternoon
showers and storms will be generally well above normal both
Thursday and Friday, especially over southern and eastern zones of
the forecast area. Of course the clouds and afternoon rains will
work to hold temperatures down at least slightly below average
although low temperatures will solidly return to the muggy 70 to
74 degree range.

Uncertainty in the forecast starts increasing greatly going into
the coming weekend. Latest loose model consensus now suggests the
aforementioned northward building subtropical ridge axis will try
to consolidate over the southern plains by this time with a
portion of northern stream trough energy dropping down the
backside of the feature (and into portions of the deep south).

Locations underneath the eastern fringes of the deep anticyclonic
flow associated with the ridge could really start to heat up.

There is some potential this eastern fringe could extend into our
western zones while the more unsettled pattern just to the east
helps promote continued above normal thunderstorm chances in
portions of eastern ms. This scenario was represented in some
fashion in the official forecast but was not expressed fully owing
to mentioned uncertainty. For example, it is entirely possible
the eastern extent of ridging may not ever build east into any
portion of our region and this result would bring the whole area
continued above normal rain chances and at least slightly below
average temperatures. Hopefully this question mark will be
resolved in the next day or so. Bb

Preliminary point temps pops
Jackson 87 65 89 66 3 2 5 3
meridian 86 64 88 64 3 2 3 2
vicksburg 87 66 89 67 3 3 7 3
hattiesburg 87 66 89 67 3 2 12 8
natchez 86 67 88 68 5 3 15 7
greenville 85 65 87 67 3 2 4 1
greenwood 86 64 87 65 4 2 2 1

Jan watches warnings advisories
Ms... None.

La... None.

Ar... None.

Nf bb


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
OSTF1 - Stennis Test Facility 79 mi92 min Calm G 1.9 69°F 1020.2 hPa (+0.3)66°F
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 82 mi52 min NE 8.9 G 12 72°F 80°F1019.7 hPa

Wind History for Bay Waveland Yacht Club, MS
(wind in knots)    EDIT      (on/off)   Help
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W4
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hattiesburg/Laurel, Hattiesburg-Laurel Regional Airport, MS12 mi27 minNE 510.00 miFair64°F59°F83%1021.7 hPa
Hattiesburg, Bobby L Chain Municipal Airport, MS23 mi29 minN 310.00 miFair67°F62°F84%1021 hPa

Wind History from PIB (wind in knots)
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Last 24hrN9N8N10N7N9N10N12N7N8
G14
NE9N10N8N11
G14
N6N4N4N3--N4N3N4N5N3NE4
1 day agoCalmCalmNW4CalmNW3W3N7N4N5NW5CalmCalmNW3N3N5N5N6N4N4CalmN7N6N6N7
2 days agoS8S11
G15
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G20
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NW4SW3SW4CalmS5S6CalmSE3CalmS4S4CalmSW5SW6SW5NW6NW5

Tide / Current Tables for Turkey Creek, Bernard Bayou, Mississippi
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Turkey Creek
Click for Map
Mon -- 05:56 AM CDT     Sunrise
Mon -- 08:43 AM CDT     Moonrise
Mon -- 01:51 PM CDT     2.34 feet High Tide
Mon -- 08:02 PM CDT     Sunset
Mon -- 10:29 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.7-0.6-0.4-0.20.10.40.711.31.51.822.22.32.32.32.11.71.30.90.50.1-0.2-0.4

Tide / Current Tables for Wolf River, Henderson Avenue bridge, Mississippi
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Wolf River
Click for Map
Mon -- 05:57 AM CDT     Sunrise
Mon -- 08:44 AM CDT     Moonrise
Mon -- 01:46 PM CDT     2.06 feet High Tide
Mon -- 08:02 PM CDT     Sunset
Mon -- 10:29 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.6-0.5-0.4-0.200.30.50.81.11.31.61.81.922.121.81.61.20.90.50.1-0.1-0.3

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Southeast    EDIT
Geos

Wind Forecast for Jackson, MS (8,2,3,4)
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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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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.