Friday, July10, 2020
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Marine Weather and Tides
Texarkana, 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 6:13AMSunset 8:29PM Friday July 10, 2020 12:36 AM CDT (05:36 UTC) Moonrise 11:20PMMoonset 10:25AM Illumination 77% Phase: Waning Gibbous; Moon at 19 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 Texarkana, TX
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location: 33.45, -94.08     debug


Area Discussion for - Shreveport, LA
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FXUS64 KSHV 100252 AFDSHV

Area Forecast Discussion National Weather Service Shreveport LA 952 PM CDT Thu Jul 9 2020

UPDATE. /Tonight/

Convection has long since come to a close for the evening, with no forcing mechanism to regenerate any more - evidence of the increasing influence of the upper ridge. See no need to hang on to the 20 PoPs across our ne tonight, so have removed those from the grids. Otherwise, temps in the lower 80s are running on track to dip into the mid 70s tonight with minimal cloud cover expected for the next few hours. Min temps and the remainder of the fcst appear reasonable, so will let the ongoing fcst ride as is. /12/

PREV DISCUSSION. /issued 726 PM CDT Thu Jul 9 2020/

AVIATION .

Mostly VFR conditions to prevail throughout the 00Z TAF pd. Some patchy MVFR cigs will be possible around sunrise at E TX terminals, but any cigs should lift by mid morning. Otherwise, expect light and vrbl winds overnight to become swly around 10 kts or less after sunrise Friday. /12/

PREV DISCUSSION . /issued 234 PM CDT Thu Jul 9 2020/

SHORT TERM . /Tonight through Friday Night/ Northwest flow aloft, due to an upper-level ridge centered across New Mexico, to prevail during the short-term period ending Saturday morning. A disturbance within the upper-flow aloft to generate periods of convection mainly across southwest Arkansas and portions of northeast Louisiana early this evening with conditions improving throughout the night. Could see a few strong storms producing gusty winds early in the evening.

The main concern for the short term will be temperatures on Friday. Could see heat index values approaching 110 degrees across portions of south-central Arkansas and northeast Louisiana which would prompt a heat advisory to be issued across these areas during the overnight package.

Otherwise temperatures to range from highs in the low to mid 90s with lows in the mid to upper 70s. /05/

LONG TERM . /Saturday through Thursday/

Starting 12z Saturday . High pressure located across the Four Corners Region will continue to dominate the region through the weekend and into next week. The main concern in regards to the ridge of high pressure will be its movement and or expansion into the Southern/Central Plains next week.

Until that time, the position of the ridge, combined with a trough axis across the Appalachians will result in northerly to northwest flow across the Plains and into the Lower Miss Valley. Early on Saturday, we will be watching a disturbance move out of Eastern Kansas, moving into the Ouachitas of Southeast Oklahoma and South Arkansas by afternoon and this system will likely interact with daytime heating to generate at least isolated to widely scattered storms across our northern most zones. Similarly, another disturbance will move south and east in this flow Saturday Night into Sunday and this area of forcing could result in isolated to scattered convection once again across our far northern and northeastern zones late Saturday Night into Sunday.

Beyond Sunday, it appears the ridge across the southwest CONUS will begin to expand north and east into the Plains, thus ending northwest flow and ending any chance of precipitation across our region through at least midweek. There are some indications that before the flow shuts down completely, there may be a weak front that backdoors itself down into our region late Sunday/Sunday Night but have my doubts on just how far this boundary will make it. Wherever it is will wash out or lift back northward on Monday and then the heat is here to stay.

Concerning temperatures, stayed close to NBM temps for the upcoming weekend but beginning Monday and through the remainder of the extended periods went above NBM/MOS temps as an expanding mid level ridge certainly would not justify the cooler temps these models are forecasting in the extended. /33/

PRELIMINARY POINT TEMPS/POPS. SHV 76 95 76 98 / 0 0 0 0 MLU 77 96 76 99 / 10 20 0 10 DEQ 75 94 74 98 / 10 10 0 0 TXK 76 93 76 96 / 10 10 0 0 ELD 76 95 75 99 / 10 10 0 10 TYR 76 94 77 96 / 0 0 0 0 GGG 76 94 75 97 / 0 0 0 0 LFK 76 95 77 98 / 0 0 0 0

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

12/05/33


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Texarkana, Texarkana Regional-Webb Field, AR4 mi43 minSSW 410.00 miFair81°F75°F85%1012.8 hPa

Link to 5 minute data for KTXK

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Last 24hrS5S6S6S7S7SW7S6S9SW13SW11SW8SW7SW83CalmS9S7SE3S4S6CalmCalmSW5SW4
1 day agoS5S6SW5SW3SW6SW4SW5SW3W4S5SW5SW4S5SW5CalmSW7S6S4S4SE3SE3S4SE4SE4
2 days agoSE4SE3CalmSE5CalmSW4S7S4SW8SW10SW9SW8SW12SW11S9S7S5S6SE8SE4SE3S5S5S4

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

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Wind Forecast for Shreveport, LA (1,6,7,8)
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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.