Sunday, August25, 2019 L-36.com


Marine Weather and Tides
Glencoe, LA

Version 3.4
NOTICE
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:39AMSunset 7:39PM Sunday August 25, 2019 10:19 AM CDT (15:19 UTC) Moonrise 12:28AMMoonset 2:43PM Illumination 24% Phase: Waning Crescent; Moon at 25 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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GMZ435 Vermilion Bay- 1003 Am Cdt Sun Aug 25 2019
Rest of today..South winds 10 to 15 knots. Bay waters choppy. Patchy fog late in the morning. Chance of showers late in the morning. Chance of Thunderstorms through the day. Showers in the afternoon.
Tonight..Southwest winds 10 to 15 knots. Bay waters choppy. Showers likely and chance of Thunderstorms.
Monday..Southwest winds 10 to 15 knots. Bay waters choppy. Showers likely in the morning. Chance of Thunderstorms through the day. Chance of showers in the afternoon.
Monday night..South winds 5 to 10 knots. Bay waters a light chop. Slight chance of showers after midnight.
Tuesday..Southwest winds 5 to 10 knots. Bay waters a light chop. Slight chance of Thunderstorms in the morning. Chance of showers through the day. Chance of Thunderstorms in the afternoon.
Tuesday night..Southwest winds 5 to 10 knots. Bay waters a light chop.
Wednesday..West winds around 5 knots. Bay waters smooth. Chance of showers and slight chance of Thunderstorms in the morning, then showers likely and chance of Thunderstorms in the afternoon.
Wednesday night..Northwest winds around 5 knots. Bay waters smooth. Slight chance of showers through the night. Slight chance of Thunderstorms after midnight.
Thursday..North winds around 5 knots. Bay waters smooth. Chance of showers and Thunderstorms.
Thursday night..Northeast winds 5 to 10 knots. Bay waters a light chop.
GMZ400 Synopsis For Lower Atchafalaya River La To High Island Tx Out 60 Nm Including Sabine And Calcasieu Lakes And Vermilion Bay 1003 Am Cdt Sun Aug 25 2019
Synopsis.. Light to occasionally moderate onshore flow will continue through the weekend. Additionally, numerous showers and Thunderstorms will continue across the coastal waters through Sunday as a tropical wave moves across the region. Daily precipitation chances will trend closer to normal by early next week.


7 Day Forecast for Marine Location Near Glencoe, LA
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location: 29.73, -91.72     debug


Area Discussion for - Lake Charles, LA
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Fxus64 klch 251457
afdlch
area forecast discussion
national weather service lake charles la
957 am cdt Sun aug 25 2019

Update
Still having difficult time getting instability to make it inland,
however some breaks in the cloud cover across portions of the area
may help aid in increasing instability and produce locally heavy
rainfall this afternoon, but at this time it does not appear
widespread enough to continue the watch past the current
expiration time. Cam guidance does continue to indicate the
potential again tonight for a heavier band from portions of
cameron parish into lower acadiana, watch was already extended for
this region and see no reason to deviate from that thinking at
this time.

Minor updates coming with current radar trends included.

Prev discussion issued 630 am cdt Sun aug 25 2019
discussion...

for the 25 12z TAF issuance.

Aviation...

a mid level low off the southwest louisiana coast will move
northeast and work with tropical like moisture to produce numerous
showers and a few thunderstorms today. Looks like the majority of
the activity will be moving from off the coast into south central
louisiana and affect klft kara by mid morning and continuing into
the afternoon. MVFR with brief ifr conditions expected in the
stronger showers and storms.

Rua
prev discussion... Issued 412 am cdt Sun aug 25 2019
discussion...

short term [today and Monday]
a diffuse surface trough continues to persist along the coast of
the northwestern gulf of mexico this morning. This system
supported numerous showers and thunderstorms across the region
yesterday. While most areas saw less than an inch of rain, mrms
derived precipitation totals indicate some parts of cameron parish
received over 5 inches of rainfall yesterday.

The atmosphere will continue to be supportive of efficient
rainfall production again today. The 00z klch sounding sampled a
pwat value of 2.64" and satellite derived pwat values across much
of the northern gulf coast remain well above 2". Meanwhile, the
warm cloud layer continues to exceed 10 kft and the vertical wind
profile remains weak.

While all of southeast texas and southwest louisiana will have the
potential to see rainfall today, the most likely chance for
heavier rainfall will extend primary along and south of i-10 from
southwest louisiana into lower acadiana. These areas will have the
potential to receive 1-3" of rainfall with higher end amounts of 5
inches or more possible. The potential for heavy rainfall will
continue through late this afternoon into the overnight hours
across lower acadiana as the surface trough begins to lift
northeastward. Some of the cams, in particular the nmm and nam
nest, were hinting at the potential for a narrow heavy rainband to
develop across acadiana during the overnight hours. While not the
most likely scenario, this supported at least a threat for
flooding and the flash flood watch was extended for acadiana and
southeast louisiana through Monday morning.

On Monday, a shortwave trough will move across the mississippi
river valley and into the great lakes. In the process, it will
"pick up" the weakness in the upper level height field that has
been located over the area the past several days. The decreasing
upper level support and exiting surface trough will result in less
widespread precipitation and warmer temperatures on Monday.

Long term [Tuesday through Saturday]
another shortwave is forecast to dig into the central plains
during the Tuesday to Wednesday timeframe. This should provide
enough support for a surface boundary to push southward to the
gulf coast along with some slightly drier air. As a result, a more
typical late august weather pattern is expected for the long term
period with chances for isolated to scattered showers and
thunderstorms each day, mainly from mid-morning through the late
afternoon hours. Temperatures will also return to normal values
with highs in the low to mid 90s and lows in the low to mid 70s.

Marine...

a surface trough along the northwestern gulf of mexico will
continue to support scattered to numerous showers and
thunderstorms today and Monday. The trough will exit the region on
Tuesday which will result in daily precipitation chances over the
coastal waters trending closer to normal for late august by early
next week.

Preliminary point temps pops
Aex 85 72 91 74 40 30 40 10
lch 86 76 91 79 80 40 40 10
lft 84 75 90 77 80 60 60 10
bpt 86 78 90 80 70 30 30 0

Lch watches warnings advisories
La... Flash flood watch through Monday morning for laz042>045-052>055-
074.

Flash flood watch until 1 pm cdt this afternoon for laz041-073.

Tx... Flash flood watch until 1 pm cdt this afternoon for txz215-216.

Gm... None.

Public... 27


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TESL1 - Tesoro Marine Terminal - 8764044 - Berwick, LA 26 mi50 min SSE 4.1 G 7 75°F 85°F1014.7 hPa
MRSL1 - Marsh Island, LA / CSI03 27 mi140 min 13 G 16 82°F
AMRL1 - 8764227 - Amerada Pass, LA 28 mi50 min Calm G 1.9 76°F 83°F1014.6 hPa
EINL1 30 mi50 min WSW 4.1 G 5.1 78°F 84°F1014.6 hPa76°F

Wind History for Tesoro Marine Terminal, LA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Patterson Memorial, LA21 mi84 minSSE 72.00 miHeavy Rain Fog/Mist75°F73°F96%1014.7 hPa
Acadiana Regional Airport, LA22 mi87 minSE 810.00 miMostly Cloudy77°F77°F100%1013.8 hPa

Link to 5 minute data for KP92

Wind History from P92 (wind in knots)
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Last 24hr------------------------------------------------
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2 days ago------------------------------------------------

Tide / Current Tables for Cote Blanche Island, West Cote Blanche Bay, Louisiana
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Cote Blanche Island
Click for Map
Sun -- 01:28 AM CDT     Moonrise
Sun -- 05:31 AM CDT     1.52 feet High Tide
Sun -- 06:40 AM CDT     Sunrise
Sun -- 03:43 PM CDT     Moonset
Sun -- 07:37 PM CDT     Sunset
Sun -- 08:56 PM CDT     -0.02 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.91.21.31.51.51.51.51.51.51.51.41.41.41.31.10.90.70.40.20-000.2

Tide / Current Tables for Weeks Bay, Vermilion Bay, Louisiana
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Weeks Bay
Click for Map
Sun -- 01:28 AM CDT     Moonrise
Sun -- 04:56 AM CDT     1.62 feet High Tide
Sun -- 06:40 AM CDT     Sunrise
Sun -- 03:43 PM CDT     Moonset
Sun -- 07:37 PM CDT     Sunset
Sun -- 09:12 PM CDT     -0.02 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.811.31.51.61.61.61.61.61.61.61.51.51.41.31.210.70.50.20.1-000.2

Weather Map and Satellite Images
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wmap_A
GOES Local Image of    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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Lake Charles, LA (11,2,3,4)
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Ground Weather Radar Station Lake Charles, 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.