Monday, March25, 2019

Marine Weather and Tides
Pascagoula, MS

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:50AMSunset 7:09PM Monday March 25, 2019 7:48 PM CDT (00:48 UTC) Moonrise 12:00AMMoonset 10:15AM Illumination 75% Phase: Waning Gibbous; Moon at 20 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- 344 Pm Cdt Mon Mar 25 2019
Tonight..West winds 5 to 10 knots becoming north 10 to 15 knots in the late evening. Waves 1 foot or less. Dominant period 4 seconds. Waves or seas building to 2 to 4 feet. Dominant period 4 seconds after midnight. Slight chance of showers and Thunderstorms early in the evening.
Tuesday..North winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Tuesday night..North winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Wednesday..East winds 10 to 15 knots becoming southeast 5 to 10 knots late in the afternoon. Waves 1 to 2 feet. Dominant period 4 seconds.
Wednesday night..East winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Thursday..Southeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Thursday night..Southeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Friday..Southeast winds 5 to 10 knots. Waves 1 to 2 feet.
Friday night..South winds 5 to 10 knots. Waves 1 to 2 feet.
Saturday..South winds 5 to 10 knots. Waves 1 to 2 feet. Slight chance of showers in the afternoon.
Saturday night..South winds 5 to 10 knots becoming northwest after midnight. Waves 1 to 2 feet subsiding to less than 1 foot after midnight. Slight chance of showers after midnight.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 344 Pm Cdt Mon Mar 25 2019
Synopsis..Cold front will move off the coast this evening and overnight to bring a wind shift from onshore to offshore. High pressure builds over the north gulf and prevails through the week.

7 Day Forecast for Marine Location Near Pascagoula, MS
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location: 30.34, -88.53     debug

Area Discussion for - New Orleans/Baton Rouge, LA
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Fxus64 klix 252015
area forecast discussion
national weather service new orleans la
315 pm cdt Mon mar 25 2019

Short term
Anticipated cold front weakly depicted in satellite imagery as a
cloud discontinuity from natchez, ms to near college station, tx. A
small, but powerful cluster of thunderstorms is noted on radar over
southwest la near lake charlse, moving SE 25 mph. This storm had a
history of producing hail. Compressional heating and some backing of
winds due to sea breeze convergence likely to maintain and aid new
development of storms farther east along the frontal boundary the
remainder of this afternoon and early evening. Radar is indicating
isolated strong showers that are attempting to become thunderstorms
but may be struggling by influences of subsidence near the spline of
the ridge axis. High frequency updated convective allowing models
continue to indicate a similar isolated strong to possibly severe
storms traversing the tidal lakes into the new orleans metro area
near or shortly after sunset (01-02z timeframe). While difficult to
pin-point actual storm placement, it does show the potential that
justifies the marginal risk severe SPC outlook. As radiational
support wanes after sunset, the storms should weaken and dissipate
rather quickly by around 02z. Once this short-term concern passes in
the next 4 hours or so, the remainder of the period will be
essentially a temperature forecast with dry high pressure building
into the eastern part of the u.S. And prevailing well into the
week. 24 rr

Long term
No issues in the Wednesday through Friday timeframe as continental
high pressure maintains seasonably nice spring conditions. There is
a rather vigorous vorticity shear zone that whips through the area
Tuesday evening but should provide no sensible weather within our
cwa, but will likely be a large hail generator well east of the area
in southern georgia and northern florida where upper cold pool will
be pronounced and shear forces large scale strong upward ascent.

Closer to home high pressure axis remains settled over the area with
very slow moderation through Thursday. Axis finally flushes out
heading into Friday to bring the region under deep fetch onshore
flow that increases low level moisture and instability later Friday
into Saturday. Latest GFS showing the next frontal feature to become
well-devloped in the plains states but racing NE and leaving the
lower portion elongated and orienting e-w through our forecast area
late Saturday night into Sunday. This typically means a wet
situation as the upper level pattern would have troughing well west
to place greater baroclinic rainfall initiation and regeneration
pretty much over or just west of the forecast area. Model timing
trends, as was suspected yesterday, is for a slower evolution, as is
often the case with cut-off flow regimes of the northern branch
attempting to phase with the southern branch flow. Latter part of
the forecast period appears to be the start of an active window of
weather from Saturday to next Monday. At this time, will be
following close to guidance temperatures and rain chances with the
likelihood that pops will be adjusted with subsequent packages.

24 rr

Main focus for this afternoon and evening will be developing showers
and strong severe storms. Latest short-range model guidance
indicates storms to develop roughly around the i-10 12 corridor
between 20 and 22z, and drift to the SE through late
afternoon evening. Main threats for area terminals will be
temporarily reduced flight categories, as any one storm may contain
hail and gusty, erratic winds. It is important to note, these storms
will be scattered isolated with many locations possibly missing any
rain storms all together. However, tempo groups have been added to
reflect some possibility of convection through this time period.

This convection will likely come to an end around sunset, or roughly
between 00 and 02z, with a cold front passing south leading to a
shift to light northerly winds. Some patchy fog will be possible
again in the early morning hours tomorrow, but should not be overly
widespread or dense with generally minimal impacts expected. Klg

Light southeasterly winds will persist this afternoon through early
evening out ahead of an approaching cold front from the north.

Expect this front to press south across the northern gulf coast into
marine areas early tonight. Along this front, there may be a few
isolated showers storms for near-coastal marine zones, but all
activity should steadily diminish after sunset. By Tuesday through
late week, post-frontal northerly winds will dominate and become
gusty at times to gentle moderate breeze. However, small craft
headlines appear unlikely at this time, with potential exercise
caution headlines at some point Tuesday evening with back-door
cold frontal enhancement from an atlantic seaboard trough.

Otherwise, the weather pattern will remain uneventful with no
additional impacts expected through Friday. Klg

Decision support
Dss code: blue.

Deployed: none.

Activation: none.

Activities: ongoing river flooding.

Decision support services (dss) code legend
green = no weather impacts that require action.

Blue = long-fused watch, warning, or advisory in effect or high
visibility event; marginal risk severe or excessive rain.

Yellow = heightened impacts with short-fused watch, warning or
advisory issuances; radar support for slight risk severe or
excessive rain.

Orange = high impacts; enhanced risk severe; nearby tropical events;
hazmat or other large episodes.

Red = full engagement for moderate to high risk of severe and or
excessive rainfall, or direct tropical threats; events of
national significance.

Preliminary point temps pops
Mcb 49 69 43 73 0 0 0 0
btr 51 70 45 72 10 0 0 0
asd 51 71 46 71 10 0 0 0
msy 55 70 51 69 20 0 0 0
gpt 51 69 47 69 20 0 0 0
pql 51 71 47 72 20 0 0 0

Lix watches warnings advisories
La... None.

Gm... None.

Ms... None.

Gm... None.

24 rr

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 3 mi37 min 69°F
GDXM6 - Grand Bay Reserve, MS 6 mi184 min SW 9.9 71°F 1017 hPa67°F
GBRM6 8 mi109 min 72°F
PTBM6 - 8741003 - Petit Bois Island, MS 9 mi31 min 68°F 1017.1 hPa
KATA1 - Katrina Cut, AL 18 mi79 min SW 17 1016.6 hPa
CRTA1 - Cedar Point, AL 21 mi49 min SSW 13 68°F 1015.9 hPa (-1.0)
DPIA1 - Dauphin Island, AL 25 mi49 min SW 9.9 G 13 68°F 1016.2 hPa (-0.9)
MBPA1 27 mi31 min 69°F 64°F
FMOA1 - 8734673 - Fort Morgan, AL 28 mi31 min 68°F 1016.2 hPa
MCGA1 - 8736897 - Coast Guard Sector Mobile, AL 33 mi31 min 70°F 65°F1016.4 hPa
PTOA1 35 mi31 min 70°F 63°F
OBLA1 - 8737048 - Mobile State Docks, AL 36 mi37 min 71°F 62°F1016 hPa
WBYA1 38 mi31 min 68°F
WKXA1 - Weeks Bay Reserve, AL 38 mi64 min 69°F 1016 hPa62°F
MHPA1 - Meaher Park, AL 39 mi49 min S 8.9 67°F 1016.3 hPa (-0.7)
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 42 mi31 min 75°F 69°F1016.5 hPa

Wind History for Range A Rear, Port of Pascagoula, MS
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1 day
2 days

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Moss Point - Trent Lott International Airport, MS8 mi56 minSW 410.00 miFair71°F63°F76%1016.4 hPa
Keesler Air Force Base / Biloxi, MS22 mi53 minWSW 810.00 miFair69°F65°F88%1016.2 hPa

Wind History from PQL (wind in knots)
Last 24hrCalmSE3SE3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmW35SW65S10
1 day agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmE5S5SE8S9SE6S11
2 days agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNE4NE3SE53S7

Tide / Current Tables for Pascagoula Point, Mississippi Sound, Mississippi (sub)
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Tide / Current Tables for Point of Pines, Bayou Cumbest, Mississippi
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Tide / Current data from XTide NOT FOR NAVIGATION
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Weather Map and Satellite Images
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GOES Local Image of Southeast    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 New Orleans/Baton Rouge, LA (20,4,5,8)
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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 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 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.