Tuesday, March31, 2020
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Marine Weather and Tides
Frierson, LA

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 7:02AMSunset 7:35PM Tuesday March 31, 2020 2:34 PM CDT (19:34 UTC) Moonrise 10:45AMMoonset 12:27AM Illumination 52% Phase: First Quarter Moon; Moon at 8 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 Frierson, LA
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location: 32.35, -93.63     debug


Area Discussion for - Shreveport, LA
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FXUS64 KSHV 311735 AFDSHV

Area Forecast Discussion National Weather Service Shreveport LA 1235 PM CDT Tue Mar 31 2020

AVIATION.

Most sites are starting out this TAF period in MVFR due to low ceilings, however as the north wind keeps kicking, dry air will continue to filter into the Four-States Region. By 01/00z, all sites should be in VFR with scattered skies due to the aforementioned dry air. Look for continued clearing into cirrus above 25,000 feet, and eventually SKC for the remainder of this forecast period. /44/

PREV DISCUSSION. /issued 954 AM CDT Tue Mar 31 2020/

UPDATE .

Morning observations were a few degrees warmer than the forecasted trend, and clouds are starting to mix out across the region. As such, quick morning update to bump up afternoon high temperatures a few degrees. /44/

PREV DISCUSSION . /issued 633 AM CDT Tue Mar 31 2020/

AVIATION . In the wake of the frontal passage, IFR ceilings will prevail with some brief periods of LIFR possible. As the upper level trough continues to progress eastward, these ceilings will improve to MVFR status during the morning into early afternoon hours. VFR conditions are expected to return to all sites by the late afternoon and will persist through the remainder of the forecast period. /35/

PREV DISCUSSION . /issued 336 AM CDT Tue Mar 31 2020/

SHORT TERM . /Today through Wednesday/

The cold front is shifting east across our eastern zones this morning and is ending precipitation from west to east as it does so. There may be some wrap-around rain early today across Southwest Arkansas as the parent upper level system shifts east but not expecting much. Winds are shifting to the north and northwest behind the front and could be a little gusty today but should remain below Lake Wind Advisory criteria. Short range guidance is wanting to hold onto the cloud cover into the afternoon, and if this happens, high temperatures today may not warm up that much. Have lowered them a tad but maybe not enough. Skies will clear and winds will decouple tonight as high pressure builds in at the surface; there may be some patchy fog around the region as a result. High temperatures will warm back into the 70s on Wednesday as upper level ridging builds in from the west. /35/

LONG TERM . /Wednesday Night through Monday Night/

The axis of an upper level ridge will move east of the area during the day Thursday allowing the flow aloft to transition back to southwesterly and brining more Pacific moisture back into the region. Another strong upper trough will move towards the Northern Plains. A surface low and dryline will sharpen over the Southern High Plains. Meanwhile, a cold front will dive southward towards across the Central CONUS.

A weak shortwave trough will move across the Southern Plains late Thursday, which should provide enough ascent in the warm air advection regime for scattered showers and a couple of thunderstorms across Central Oklahoma southward into Texas. This activity will move eastward into our area Thursday night/early Friday morning. There may be a brief break in the showers after sunrise Friday. The best large scale forcing will be far north of the forecast area, but strong instability combined with a weak upper disturbance embedded in the flow should result in widespread convection along and ahead of the cold front Friday afternoon through Saturday morning. Deep layer shear should also be strong enough to support the potential for at least a couple of severe storms Friday afternoon and evening. Damaging winds and large hail will be the primary threats.

Model guidance is in sharp disagreement regarding the potential for post-frontal rain on Saturday. Both models bring the front completely through the forecast area, but the GFS suggests dry air will move into the area during the day Saturday, so it is far less aggressive with QPF. On the other hand, the ECMWF maintains quite a bit of post-frontal rain across the entire area until late Saturday evening. Higher PoPs were kept across the southeast half of the area during the day Saturday, but were tapered down to chance PoPs in the northwest.

The medium range models agree that there should be a brief break in the rain Saturday night. However, yet another strong upper trough will be digging into the Great Basin on Sunday. Strengthening southwesterly flow will provide an ample supply of Pacific moisture for another series of shortwave troughs to tap into. More showers and thunderstorms are likely by Sunday afternoon and continuing for most of Monday.

CN

PRELIMINARY POINT TEMPS/POPS. SHV 46 72 53 73 / 0 0 0 10 MLU 46 71 51 74 / 0 0 0 0 DEQ 44 70 51 72 / 0 0 0 20 TXK 45 70 53 71 / 0 0 0 10 ELD 44 71 50 73 / 0 0 0 0 TYR 47 70 53 71 / 0 0 0 40 GGG 46 71 53 73 / 0 0 0 30 LFK 49 74 54 76 / 0 0 0 30

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

CN/35/44/


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Barksdale Air Force Base, LA11 mi98 minN 9 G 2010.00 miMostly Cloudy60°F51°F73%1016.5 hPa
Shreveport, Shreveport Regional Airport, LA13 mi98 minN 1310.00 miOvercast63°F52°F68%1016.1 hPa
Shreveport, Shreveport Downtown Airport, LA14 mi41 minN 1110.00 miPartly Cloudy63°F51°F65%1016.3 hPa

Link to 5 minute data for KBAD

Wind History from BAD (wind in knots)
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Last 24hrE12E9E7E8E8--E6E7SE8SE3NW8N8NW4NW6NW6NW9NW12NW10NW12NW12N12
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1 day agoN4N4NE3NE3NE3NE4N3CalmCalmCalmSE4CalmE6E4N6CalmE10N7NE10NE8NE10
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2 days agoS12
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N9N4CalmW4W3SW3SW3CalmS5S6S4S3CalmCalmCalmCalmCalm--E6NE3N8NW3

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 Midwest    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 Shreveport, LA (15,3,4,5)
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Ground Weather Radar Station Shreveport, LA
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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 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.