Tuesday, March20, 2018 L-36.com

Marine Weather and Tides
Pelahatchie, MS

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
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.

Sunrise 7:01AMSunset 7:13PM Tuesday March 20, 2018 3:06 AM CDT (08:06 UTC) Moonrise 9:11AMMoonset 10:30PM Illumination 12% 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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7 Day Forecast for Marine Location Near Pelahatchie, MS
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location: 32.38, -89.86     debug

Area Discussion for - Jackson, MS
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Fxus64 kjan 200521 aaa
area forecast discussion... Updated
national weather service jackson ms
1221 am cdt Tue mar 20 2018

Updated for 06z aviation discussion

06z TAF discussion:
vfr conditions will prevail through the majority of the night, but
MVFR ceilings will begin moving in from the north prior to dawn
and overspread the area after sunrise. A few light showers will be
seen through late morning into the afternoon. Ceilings will rise
back toVFR after sunset. 26

All of the products and graphics have been updated by now to show
that the CWA is clear of any severe wx threat tonight. A cooler
air mass will move into the region overnight. The gusty winds we
saw today will slacken a bit but will remain between 5 to 10 kts
throughout the area tonight. As the upper low pushes to the
ohio valley tonight, some wrap-around moisture may be enough to
form some light showers in the northern half of the area in the
morning. Otherwise, skies will be partly cloudy overnight and temps
will fall into the 40s by dawn. 10
prior discussion below:
today and tonight...

a warm day is unfolding across the region as we continue to monitor
radar and satellite for storm initiation as a dryline progresses
across our region. Latest hrrr guidance is bullish with storms in
north ms but even it agrees on storms having a hard time breaking
the cap in our region. However, we will maintain the threat of
isolated severe storms for the rest of the afternoon and into the
evening in the eastern portions of our region as the atmosphere
still remains prime to support storms in that area if the cap is
ever broken.

Drier, cooler air will filter into the region overnight behind the
surface front. Cloud cover will begin to increase again tomorrow
morning as wrap around moisture, associated with the deep low
that will continue to progress eastward, moves into the region
from the north. A secondary shortwave, ejecting into the region
from the nw, may provide enough lift to kick off some light shower
activity through the day on tomorrow, with the best chances
occurring in the northern portions of the arklamiss. Highs
tomorrow will be about 10 degrees below normal areawide.

Tuesday night through Sunday: the light rain Tuesday should end by
Tuesday evening and a period of dry weather is expected Tuesday
night through Friday. Rain chances still look to return to the
northern zones Friday night and continue over at least the northern
half of the area through the weekend. Tuesday evening the nearly
stacked low is expected to be centered over the ohio valley with
northwest flow aloft remaining across our region. This will help a
>1020mb high build over our CWA from the northwest. With the high
still to our northwest early Wednesday morning the wind may not
decouple but, CAA and clear skies will allow temperatures to bottom
out well below normal. Mid 30s will be possible across our northeast
and there is some concern that patchy light frost may develop. The
surface high will become centered over our CWA Wednesday and still
be over eastern mississippi early Thursday morning. Under clear
skies and a near calm wind all night patchy frost development is
more likely over our northeast zones as temperatures there bottom
our in the mid 30s again. The surface high will shift east of our
cwa Thursday and light return flow is expected during the afternoon.

Normal highs run from the upper 60s north to the lower 70s
southeast. Temperatures will top out close to normal in the
southwest but slightly cooler than normal elsewhere. Temperatures
and moisture will continue Friday into the weekend. A large closed
low moving over the northwest CONUS will induce mid level ridging
over the central CONUS Friday. This ridging aloft will shift east
over our region as a shortwave moving out of the southwest conus
deepens a lee side low. Models differ on when rain chances will
return to our CWA but Friday still looks warm and dry. The surface
low will track east and weaken. It now appears more likely that its
cold front will stall north of our CWA Saturday though daytime
heating should be able to set off a few storms across our northern
zones. The stalled front is expected to remain north of our cwa
through Sunday. Rain chances look to remain more confined to the
northern half of our CWA with warmer than normal temperatures and
dry weather across our south. 22

Preliminary point temps pops
Jackson 40 65 40 70 0 0 0 0
meridian 36 63 37 67 1 0 0 0
vicksburg 40 65 40 71 0 0 0 0
hattiesburg 41 68 41 70 0 0 0 0
natchez 41 66 41 72 0 0 0 0
greenville 40 62 40 67 0 0 0 0
greenwood 37 60 37 67 1 0 0 0

Jan watches warnings advisories
Ms... None.

La... None.

Ar... None.

Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Jackson, Jackson International Airport, MS12 mi73 minNW 10 G 1710.00 miFair64°F43°F46%1004.2 hPa

Wind History from JAN (wind in knots)
Last 24hrCalmS7SE6S8S9S8S12SW9SW10SW11
1 day agoS3CalmCalmS3NW6SE3CalmSE4CalmNW3N9NE5N9N7NE3N4N3CalmNE3CalmCalmSE13CalmCalm
2 days agoS6S6S7S8S7S7SW8SW13SW13SW10SW12

Tide / Current Tables for
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Tide / Current Tables for
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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.
target = "new">Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Jackson, MS (4,6,7,8)
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Ground Weather Radar Station Jackson/Brandon, MS
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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.