Monday, August3, 2020
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Marine Weather and Tides
Nacogdoches, TX

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:35AMSunset 8:14PM Monday August 3, 2020 12:29 PM CDT (17:29 UTC) Moonrise 7:40PMMoonset 5:24AM Illumination 100% Phase: Full Moon; Moon at 14 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 Nacogdoches, TX
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location: 31.61, -94.65     debug


Area Discussion for - Shreveport, LA
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FXUS64 KSHV 031542 AFDSHV

Area Forecast Discussion National Weather Service Shreveport LA 1042 AM CDT Mon Aug 3 2020

SHORT TERM. /This Afternoon/

The morning sfc analysis indicates that our weak sfc front continues to gradually shift SE through the area, extending from near a LLQ/ELD/SHV/JSO/PSN, to just N of a ACT line as of 15Z. Meanwhile, the morning water vapor imagery depicts that the longwave trough axis has shifted E into Ern Ar/Ern LA, with a deep wedge of drier air having advected SSE into the region and Lower MS Valley, with forcing along/ahead of this trough axis expected to remain well E of the area as this trough continues sliding E into the SE CONUS. The short term progs suggests that this weak sfc front will continue to mix SE through much of the region today, although the accompanying H850 trough will lag the front a ways over SW AR/extreme NW LA/adjacent sections of E TX by afternoon. The best PW's (around 1.4 inches) remain primarily over the Srn and Ern sections of Ncntrl LA attm, whereas the air mass remains drier farther W across the remainder of the region, ranging from 1-1.25 inches. While a sct cu field should develop with the increasing diurnal heating by late morning/midday, believe that convection will be harder to come by this afternoon than Sunday, given that the longwave trough axis and accompanying large scale forcing has shifted farther E of the region this morning.

The 12Z NAM has come in dry this morning across the area, in consensus with the 00Z GFS/ECMWF, although the latest HRRR and available 12Z CAMs suggest that very isolated convection will remain possible near and ahead of the front during the afternoon. Have maintained slight chance pops this afternoon for Deep E TX and much of Ncntrl LA, but have trimmed back (and removed) pops farther N closer to the I-20 corridor of E TX/NW LA into SCntrl AR given the CAM ensemble consensus that any isolated convection will remain just to the SSE, diminishing by or shortly after sunset. Did make some minor upwards adjustments to max temps today to account for the slightly warmer 14-15Z temps, despite the areas of AC/cirrus spreading SE into E TX along the backside of the trough, which should gradually thin through the afternoon. With the weak sfc front mixing SE through the remainder of E TX/N LA this afternoon, a reinforcement of drier air will mix back into the region, resulting in below normal RH's and heat indices not much higher than the ambient air temps.

Zone update already out . grids will be available shortly.

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PREV DISCUSSION. /issued 559 AM CDT Mon Aug 3 2020/

AVIATION .

Very isolated, elevated showers in the VCTY of the ELD terminal, otherwise high based cu field and/or low based AC field is filtered across our airspace this morning. A cold front was located near the I-30 Corridor at this time this morning as well and as we go through the day, could see isolated to widely scattered convection develop near and in the vicinity of this boundary. Chances do not warrant a mention however. Otherwise, should see winds come around to the northwest in the wake of the boundary and north to northeast late tonight across our western terminals. Look for increasing mid level cloud cover late tonight across our western terminal airspace as well.

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PRELIMINARY POINT TEMPS/POPS. SHV 92 69 90 71 / 10 10 10 10 MLU 93 68 89 67 / 20 20 10 0 DEQ 89 63 87 66 / 5 10 10 20 TXK 89 66 87 68 / 5 10 10 10 ELD 90 64 87 66 / 10 10 10 0 TYR 93 70 92 72 / 5 20 20 10 GGG 92 69 91 71 / 5 20 20 10 LFK 95 70 94 73 / 20 20 20 0

SHV WATCHES/WARNINGS/ADVISORIES. AR . None. LA . None. OK . None. TX . None.

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Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Nacogdoches, A L Mangham Jr. Regional Airport, TX4 mi34 minNNW 410.00 miFair89°F70°F53%1017.2 hPa

Link to 5 minute data for KOCH

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Last 24hrS5S3NW105SE10SE8SE5CalmCalmCalmCalmCalmCalmCalmCalmCalmN3CalmCalmCalmW4NW8W6NW4
1 day agoCalmCalmN6N4N5N63E4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmW3W4SW3Calm
2 days agoW9
G16
NW8W6CalmSW4SE3--SE3SE3CalmSE4S3CalmCalmCalmCalmCalmCalmCalmSE3CalmN44Calm

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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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

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Wind Forecast for Shreveport, LA (13,3,4,5)
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Ground Weather Radar Station Shreveport, LA
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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 numerous 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.