Thursday, February20, 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 6:51AMSunset 6:05PM Thursday February 20, 2020 11:52 AM CST (17:52 UTC) Moonrise 5:08AMMoonset 3:28PM Illumination 9% Phase: Waning Crescent; Moon at 27 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 201750 AFDSHV

Area Forecast Discussion National Weather Service Shreveport LA 1150 AM CST Thu Feb 20 2020

AVIATION.

A greatly improving aviation forecast is in store for our TAF sites, and across the Four-States region. We're starting out the morning in MVFR almost area wide, as low ceilings and precipitation are finally starting to exit the region. Behind this precip, look for dry air to filter in. This will result is improving ceilings, with bumps into VFR expected past 20/22z area wide. However, gusty winds will be possible at all sites through this evening. Look for those winds to decouple past 21/01z. /44/

PREV DISCUSSION. /issued 1005 AM CST Thu Feb 20 2020/

UPDATE .

After reviewing the morning trends from ASOS stations around the area, it appears that the morning forecast package is still on track. Therefore, no update is needed at this time. /44/

PREV DISCUSSION . /issued 554 AM CST Thu Feb 20 2020/

AVIATION . IFR/low MVFR cigs in place to start the 12Z TAF period across the region will slowly begin to lift later this morning through the afternoon, as areas of -RA gradually diminishes from W to E from mid-morning through mid-afternoon. However, even as the -RA does clear, MVFR cigs will persist for much of the day across the area, with VFR cigs returning to the TXK/ELD terminals by mid/late afternoon, and the I-20 terminals of E TX/N LA by early evening, with LFK the last to return to VFR by mid-evening. These cigs should quickly scatter out this evening, with SKC returning areawide by/after 06Z Friday. NE winds 9-14kts, with gusts to 25kts, will diminish slightly to 8-12kts after 00Z. /15/

PREV DISCUSSION . /issued 401 AM CST Thu Feb 20 2020/

SHORT TERM . /Today through Friday/

SHRA remains widespread across the region this morning, but the end to the wet weather pattern is finally in sight as the morning water vapor imagery indicates much drier air entraining E across Wrn and Cntrl OK into NW TX beneath a SW to NE upper trough extending from Cntrl CO NE through the upper Midwest into the Nrn Great Lakes region. In fact, the morning mosaic radar imagery confirms this as the back edge of the -RA is diminishing across the middle Red River Valley of Srn OK into NCntrl TX. The short term progs and the 00Z CAMS remain in good agreement this morning with the drier air continuing to entrain E across much of the region later this morning through the afternoon ahead of the trough passage into the Mid MS Valley, Ozarks, and Red River Valley, with the -SHRA quickly diminishing from W to E by mid to late morning over all but the Srn/Ern zones, which should see an end to the rains by mid/late afternoon. Have maintained categorical pops this morning over Deep E TX/N LA/Scntrl AR, tapering pops back to likely and chance farther W across the remainder of E TX/SW AR/SE OK.

Meanwhile, the 09Z sfc analysis indicates weak sfc wave have developed along the old cold front extending just offshore the TX/SW LA coasts, NE into SCntrl and SE LA and Srn MS. These weak waves along the front, as well as the arctic sfc ridge that will build S into Wrn OK/Ozarks/Mid MS Valley, will result in a tightening pressure gradient across the region later this morning through the afternoon, but believe the low stratus overcast that will persist beneath the steep inversion noted on the 00Z KSHV raob that should linger through the afternoon will help limit the extent of mixing of the 35-40kt NErly H925 winds and thus have maintained winds just below Lake Wind Advisory criteria. However, gusts up to 25 mph will be possible before the winds begin to relax by early evening. However, the morning rains, low overcast, wet grounds, and gusty NE winds will not allow much warming to occur today from the morning low temps, as readings will have a hard time climbing another 5 degrees or so (and remaining near or shy of 50 degrees).

The post-frontal stratus shield should finally begin to thin from NE to SW late this afternoon through this evening, giving way to a clearing sky, with cold advection expected to commence by late evening ahead of the arctic ridging that will continue building Swd into the Srn Plains/Mid MS Valley. Near to below freezing temps are expected over much of the region by daybreak Friday, with the main story being the much drier air expected to mix SSW into the area. In fact, the deeper wedge of colder air will help mix dewpoints look to mix down into the teens/lower 20s Friday, and despite ample insolation, should maintain max temps in the upper 40s/lower 50s. With the modifying arctic ridge building into the region Friday afternoon/night, widespread freezing temps are expected areawide before a warming trend commences for the weekend.

15

PRELIMINARY POINT TEMPS/POPS. SHV 31 49 29 57 / 0 0 0 0 MLU 29 47 26 55 / 0 0 0 0 DEQ 25 48 25 54 / 0 0 0 0 TXK 27 48 27 53 / 0 0 0 0 ELD 26 48 25 56 / 0 0 0 0 TYR 31 49 32 57 / 0 0 0 0 GGG 30 49 29 57 / 0 0 0 0 LFK 34 52 30 59 / 0 0 0 0

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

15/44


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Barksdale Air Force Base, LA11 mi1.9 hrsNNE 1010.00 miOvercast42°F38°F89%1030.1 hPa
Shreveport, Shreveport Regional Airport, LA13 mi1.9 hrsNNE 12 G 1910.00 miOvercast43°F39°F89%1030.1 hPa
Shreveport, Shreveport Downtown Airport, LA14 mi60 minN 10 G 1810.00 miOvercast44°F37°F79%1031 hPa

Link to 5 minute data for KBAD

Wind History from BAD (wind in knots)
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Last 24hrE7NE4E4NE8NE9NE4NE4NE3NE7E4E4NE5NE4NE5N4N9NE6NE7NE6N9
G15
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1 day agoS9SW7S4SW3N13
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2 days agoS12S10S8SE7SE8SE6SE7S7S9SE7S7S7S5S4S3SE4SE6S6SE3CalmSE3S4S6S5

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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wmap_A
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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Shreveport, LA (12,3,4,5)
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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.