Monday, May29, 2017 L-36.com


Marine Weather and Tides
Hackberry, LA

Version 3.4
What's New / NOTES
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 6:13AMSunset 8:11PM Monday May 29, 2017 2:47 AM CDT (07:47 UTC) Moonrise 9:17AMMoonset 11:08PM Illumination 15% Phase: Waxing Crescent; Moon at 4 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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GMZ432 Calcasieu Lake- 943 Pm Cdt Sun May 28 2017
Rest of tonight..Southeast winds 5 to 10 knots. Lake waters a light chop. Thunderstorms likely late in the evening. Showers likely through the night. Thunderstorms likely after midnight.
Monday..South winds around 5 knots. Lake waters smooth. Showers and Thunderstorms in the morning, then chance of showers and Thunderstorms in the afternoon.
Monday night..Southeast winds around 5 knots. Lake waters smooth. Chance of showers and Thunderstorms in the evening, then showers and Thunderstorms likely after midnight.
Tuesday..Southeast winds 5 to 10 knots. Lake waters a light chop. Showers and Thunderstorms likely in the morning, then chance of showers and Thunderstorms in the afternoon.
Tuesday night..Southeast winds 5 to 10 knots. Lake waters a light chop. Chance of showers and Thunderstorms.
Wednesday..Southeast winds 5 to 10 knots. Lake waters a light chop. Chance of showers and Thunderstorms.
Wednesday night..Southeast winds 5 to 10 knots. Lake waters a light chop. Chance of showers and Thunderstorms.
Thursday..Southeast winds 5 to 10 knots. Lake waters a light chop. Chance of showers and Thunderstorms.
Thursday night..Southeast winds 5 to 10 knots. Lake waters a light chop. Chance of showers and Thunderstorms.
Friday..Southeast winds 5 to 10 knots. Lake waters a light chop. Chance of showers and Thunderstorms.
Friday night..South winds 5 to 10 knots. Lake waters a light chop. Chance of showers and Thunderstorms.
GMZ400 Synopsis For Lower Atchafalaya River La To High Island Tx Out 60 Nm Including Sabine And Calcasieu Lakes And Vermilion Bay 943 Pm Cdt Sun May 28 2017
Synopsis.. A devolving line of Thunderstorms will gradually work its way to the coast during the early morning hours Monday. Temporarily gusty offshore winds and heavy rain will accompany this activity. Surface high pressure across the eastern gulf will drive an onshore flow through next week. Rain chances will remain high through much of the week as a cold front sags south to near the coast where it will stall and dissipate.

7 Day Forecast for Marine Location Near Hackberry, LA
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location: 29.85, -93.43     debug


Area Discussion for - Lake Charles, LA
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Fxus64 klch 290457
afdlch
area forecast discussion
national weather service lake charles la
1157 pm cdt Sun may 28 2017

Discussion
For the 05 29 17 0600 utc TAF package.

Aviation
Extensive outflow boundary has pushed south of i-10, with
widespread rains and embedded heavier showers and thunderstorms
ongoing over east tx into western la. More stratiform rains with
embedded thunder over central la, with just some isolated showers
over acadiana. Confidence in the overnight period is not overly
high save for the next few hours based on radar satellite and
observational trends. Inserted tempo thunder kbpt and klch for the
next few hours where the bulk of the heaviest convection is
currently ongoing. Vcsh was carried at the acadiana terminals,
with vcts at kaex. Model guidance depicts a general and gradual
decreasing trend in convection during the overnight period, with
redevelopment possible tomorrow as a cdfnt remains in the area.

13

Prev discussion issued 1118 pm cdt Sun may 28 2017
update...

quick update to cancel the severe thunderstorm watch for all
parishes and counties in southeast texas and southwest louisiana.

Showers and thunderstorms continue do develop and work their way
south, but with the outflow boundary continuing well ahead of the
activity, storms are much weaker than they were earlier.

Jones
prev discussion... Issued 950 pm cdt Sun may 28 2017
update...

severe thunderstorm watch 296 continues as a slowly devolving
squall line gradually works its way south through the area. An
advancing outflow boundary noted on radar has resulted in a
general weakening pattern, but strong storms remain where the
boundary has not yet pushed out in front of the squall line. While
the severe threat appears limited at present, heavy rainfall and
gusty winds are still possible. Raised pop's along the i-10
corridor through 06z as it appears more likely that at least
general thunderstorms will continue to near the coast.

Jones
prev discussion... Issued 737 pm cdt Sun may 28 2017
update...

update to add severe thunderstorm watch 296, add severe wording
to zones and increase pop's across central louisiana. A line of
severe thunderstorms continues to congeal and work its way to the
south. 00z sounding at lch showing plenty of instability with cape
values of 3500 j kg. Think the environment may become a little
less favorable after sunset, but there has been enough breaks in
the cloud deck this afternoon to reinvigorate what had been a
fairly well worked over atmosphere.

Jones
prev discussion... Issued 649 pm cdt Sun may 28 2017
discussion...

for the 5 29 17 0000 utc TAF package.

Aviation...

vfr all sites at this time with decaying CU field and cirrus blow
off from convection to the north spreading southward. Made a best
effort based on radar trends and latest hi-res guidance to bring
convection into kaex with a tempo thunder group. Left out of
remaining sites as nature southward extent of convection remains
uncertain. Will amd as needed. PrevailedVFR through the
overnight period, bringing vcts all sites by 15z tomorrow with an
apparent active day of convection on tap.

13
prev discussion... Issued 419 pm cdt Sun may 28 2017
discussion...

a few showers and thunderstorms around the region today have
pretty much ended with temps ranging from the upper 80s to near
90 on south winds. Boundary to the north is expected to sag down
and into the region. South of the boundary dew points to remain in
the low to mid 70s through the overnight hours while to the north
a bit cooler. Mrng lows xpcd to fall along aftn dew point spread.

Rains through the overnight hours. The heaviest rains will move
into southeast texas lake region then spread into louisiana. This
boundary will stall over southern louisiana which will mean that
we are looking at showers and thunderstorms for the start of the
week and somewhat cooler temps due to rain cooled air. The pattern
we are moving into will continue thru midweek as another system
comes down and falls apart.

Preliminary point temps pops
Aex 71 80 68 80 90 70 50 60
lch 73 81 71 83 60 80 80 60
lft 74 83 71 84 60 80 50 60
bpt 73 82 71 84 60 80 60 60

Lch watches warnings advisories
La... None.

Tx... None.

Gm... None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CAPL1 - 8768094 - Calcasieu Pass, LA 7 mi48 min NE 20 G 25 72°F 82°F
KCVW 8 mi33 min NNE 16 G 24 72°F 68°F
BKTL1 24 mi48 min 81°F
TXPT2 25 mi48 min N 16 G 19 69°F 82°F1015.5 hPa (-1.5)
SBPT2 - 8770570 - Sabine Pass North, TX 25 mi48 min N 16 G 19 70°F 84°F1017 hPa (-1.1)
PORT2 - 8770475 - Port Arthur, TX 27 mi48 min NNE 7 G 14 69°F 81°F1016.1 hPa (-0.8)
LCLL1 - 8767816 - Lake Charles, LA 28 mi48 min 69°F 79°F1017.3 hPa (-0.3)
SRST2 - Sabine Pass, TX 34 mi48 min NNE 16 G 20 70°F 1015.8 hPa (-1.3)68°F

Wind History for Calcasieu Pass, LA
(wind in knots)    EDIT      (on/off)   Help
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SW17
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SE4
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G25
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S15
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G16
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S21
G28
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G14
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G17
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G17
S15
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G18

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Southland Field, LA20 mi53 minNNE 11 G 1810.00 miRain70°F68°F95%1017.3 hPa
Lake Charles, Lake Charles Regional Airport, LA22 mi55 minNNE 1210.00 miLight Rain69°F68°F96%1017.5 hPa

Wind History from UXL (wind in knots)
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Last 24hrS11S8S7S3S5NE3S3S5SE7S8SE9SE13S11S12
G17
S11SE14
G17
SE11
G15
CalmSE3NE3NE7NW8N9NE9
1 day agoS12S9S9S8S8S8S11S10
G14
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2 days agoS11S9S9S10S9S13S14S10
G17
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G19
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G19
S13
G16
S13
G18
S13
G19
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G17
SE12SE11
G17
SE9S11S11
G14
S8S9S9S11

Tide / Current Tables for Calcasieu Pass, Lighthouse wharf, Louisiana
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Calcasieu Pass
Click for Map
Mon -- 06:13 AM CDT     Sunrise
Mon -- 07:32 AM CDT     2.20 feet High Tide
Mon -- 10:17 AM CDT     Moonrise
Mon -- 01:27 PM CDT     1.27 feet Low Tide
Mon -- 05:10 PM CDT     1.52 feet High Tide
Mon -- 08:07 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.5-0.30.10.61.11.622.22.221.81.61.41.31.31.41.51.51.51.310.70.3-0

Tide / Current Tables for Calcasieu Pass, East Jetty, Louisiana
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Calcasieu Pass
Click for Map
Mon -- 06:13 AM CDT     Sunrise
Mon -- 08:07 AM CDT     2.16 feet High Tide
Mon -- 10:17 AM CDT     Moonrise
Mon -- 01:10 PM CDT     1.47 feet Low Tide
Mon -- 04:47 PM CDT     1.71 feet High Tide
Mon -- 08:07 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.5-0.30.10.61.21.61.92.12.22.11.91.71.51.51.51.61.71.71.61.51.310.60.2

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

GOES Local Image of SouthCentralPlains    EDIT
Geos

Wind Forecast for Lake Charles, LA (3,6,7,8)
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Ground Weather Radar Station Lake Charles, LA
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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.