Thursday, April26, 2018 L-36.com


Marine Weather and Tides
Norco, LA

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 6:21AMSunset 7:37PM Thursday April 26, 2018 6:16 AM CDT (11:16 UTC) Moonrise 3:32PMMoonset 3:31AM Illumination 85% Phase: Waxing Gibbous; Moon at 11 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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GMZ530 Lake Pontchartrain And Lake Maurepas- 339 Am Cdt Thu Apr 26 2018
.small craft exercise caution in effect until 1 pm cdt this afternoon...
Today..Northwest winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds. Chance of showers and slight chance of Thunderstorms early in the morning.
Tonight..North winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Friday..Northwest winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms in the afternoon.
Friday night..North winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Saturday..Northwest winds near 5 knots. Waves 1 foot or less. Dominant period 4 seconds.
Saturday night..West winds near 5 knots becoming east after midnight. Waves 1 foot or less. Dominant period 4 seconds.
Sunday..Southeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Sunday night..East winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Monday..East winds 10 to 15 knots. Waves 2 to 4 feet.
Monday night..Southeast winds 10 to 15 knots. Waves 2 to 4 feet. Slight chance of showers and Thunderstorms.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 339 Am Cdt Thu Apr 26 2018
Synopsis..A cold front will move quickly through the the coastal waters this morning. Another fast-moving cold front will sweep through the coastal waters Friday. High pressure will then settle over the coastal waters for the upcoming weekend.

7 Day Forecast for Marine Location Near Norco, LA
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location: 30.02, -90.42     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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Fxus64 klix 260851
afdlix
area forecast discussion
national weather service new orleans la
351 am cdt Thu apr 26 2018

Short term
Line of robust thunderstorms moving through the area should begin
to weaken as they approach coastal mississippi this morning. The
high pop numbers are only for the morning hours just after
sunrise. Once the line of sh TS moves through, pop numbers will
drop to near zero. These short wave features in northwest flow
patterns are often stronger than what models normally suggest and
this mornings activity is no exception to that rule. Dry air and
suppresion should keep any of this from becoming severe but a few
of these could be strong with winds of 30mph or better as they
move through.

The next short wave feature moves through Friday. Eventhough these
thunderstorms will be on the low end of scattered over the
area, they could contain hail. Limited moisture and low vertical
extend should keep hail from become large enough for severe. But
the possibility that one or two of these could become severe will
exist. Any thunderstorm activity will begin to decay during the
late afternoon into early evening.

A back door front will move to the area before stalling Sunday and
Monday. Some of the dry air will filter from east to west but this
will be short lived as moisture return will begin on southeast
winds by Tuesday. This will occur ahead of the next cold front
that should move into the area by the end of the week.

Aviation
A fast moving cold front is pushing through the area brining showers
and a few thunderstorms across the area, especially north of the i-
12 corridor. Ceilings are beginning to lower in many locations along
with winds of 25-30 knots as the stronger line passes through.

Behind the rain and the front, conditions will improve for this
afternoon.

Marine
A cold front will slide through the coastal waters this morning
increasing winds slightly. Extended exercise caution headlines until
early this afternoon (18z) and will let the day shift monitor for
any further extension that might be needed. Progressive upper level
pattern will bring yet another frontal boundary through the coastal
waters tomorrow. This will push winds back to 15 knots over the open
gulf waters for Friday evening through early Saturday. Surface high
pressure will track from west to east across the southeastern conus
this weekend. This will cause winds to rotate around from NW to se.

Onshore flow regime will settle in for the first half of next week.

Wind speeds will gradually increase due to tightening pressure
gradient.

Decision support
Dss code: blue.

Deployed: none.

Activation: none.

Activities: sandhill crane nwr outreach support
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; direct tropical threats; events of
national significance.

Preliminary point temps pops
Mcb 70 52 73 53 30 10 30 10
btr 72 54 75 55 30 10 30 10
asd 73 54 74 56 70 10 30 10
msy 73 59 74 60 70 10 30 10
gpt 74 56 74 59 50 10 20 10
pql 74 54 74 56 40 10 20 10

Lix watches warnings advisories
La... None.

Gm... None.

Ms... None.

Gm... None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FREL1 6 mi46 min W 1 G 7 66°F 1010.9 hPa
NWCL1 - 8761927 - New Canal, LA 16 mi46 min WSW 8 G 13 69°F 73°F1011.4 hPa
BYGL1 - 8762482 - Bayou Gauche, LA 16 mi46 min WSW 4.1 G 5.1 67°F 75°F1012 hPa
CARL1 16 mi46 min 59°F
SHBL1 - 8761305 - Shell Beach, LA 41 mi46 min WSW 11 G 13 68°F 76°F1011.8 hPa

Wind History for East Bank 1, Norco, B. LaBranche, LA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
New Orleans, New Orleans International Airport, LA9 mi24 minNW 10 G 1710.00 miOvercast69°F66°F90%1012 hPa
New Orleans, New Orleans Lakefront Airport, LA21 mi24 minW 18 G 2310.00 miOvercast and Breezy71°F64°F81%1010.8 hPa
New Orleans Naval Air Station - Alvin Callender Field, LA24 mi22 minWSW 8 G 157.00 miOvercast69°F66°F93%1011.5 hPa

Wind History from MSY (wind in knots)
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Last 24hrNW3NW4N5NE6N4N6NW7N6NW8N7N6N5NW3CalmS5SW6SW7SW6SW7SW6SW6SW8SW9NW10
G17
1 day agoW5W7W7NW10NW7NW10NW7NW12
G18
NW10NW8N10NW10
G15
NW11NW7N4N3N4N4CalmCalmCalmCalmW3Calm
2 days agoW3W8W11W9W13
G16
NW12
G20
W12W13
G21
W13W10
G18
W10N7N7N6N5N3N3CalmCalmS3S5SW3W4NW4

Tide / Current Tables for East Bank 1, Norco, Bayou Labranche, Louisiana
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East Bank 1
Click for Map
Thu -- 02:02 AM CDT     0.31 feet High Tide
Thu -- 03:32 AM CDT     0.30 feet Low Tide
Thu -- 04:31 AM CDT     Moonset
Thu -- 05:02 AM CDT     0.31 feet High Tide
Thu -- 06:23 AM CDT     Sunrise
Thu -- 12:49 PM CDT     0.18 feet Low Tide
Thu -- 01:47 PM CDT     0.19 feet High Tide
Thu -- 03:30 PM CDT     0.17 feet Low Tide
Thu -- 04:31 PM CDT     Moonrise
Thu -- 07:35 PM CDT     Sunset
Thu -- 08:42 PM CDT     0.25 feet High Tide
Thu -- 09:48 PM CDT     0.24 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.30.30.30.30.30.30.30.30.30.20.20.20.20.20.20.20.20.20.20.20.20.20.20.2

Tide / Current Tables for New Canal USCG station, Lake Pontchartrain, Louisiana
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New Canal USCG station
Click for Map
Thu -- 12:25 AM CDT     0.26 feet Low Tide
Thu -- 04:29 AM CDT     Moonset
Thu -- 06:22 AM CDT     Sunrise
Thu -- 06:34 AM CDT     0.31 feet High Tide
Thu -- 09:20 AM CDT     0.27 feet Low Tide
Thu -- 10:18 AM CDT     0.27 feet High Tide
Thu -- 01:08 PM CDT     0.22 feet Low Tide
Thu -- 04:30 PM CDT     Moonrise
Thu -- 07:10 PM CDT     0.26 feet High Tide
Thu -- 07:34 PM CDT     Sunset
Thu -- 09:16 PM CDT     0.25 feet Low Tide
Thu -- 10:49 PM CDT     0.26 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.30.30.30.30.30.30.30.30.30.30.30.30.20.20.20.20.20.20.30.30.30.20.30.3

Weather Map and Satellite Images
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wmap_A
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 (7,2,3,4)
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Ground Weather Radar Station New Orleans/Baton Rouge, LA
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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.