Saturday, July11, 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 6:15AMSunset 8:25PM Saturday July 11, 2020 10:11 PM CDT (03:11 UTC) Moonrise 11:46PMMoonset 11:18AM Illumination 59% Phase: Waning Gibbous; Moon at 21 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 120101 AFDSHV

Area Forecast Discussion National Weather Service Shreveport LA 801 PM CDT Sat Jul 11 2020

UPDATE.

The latest mid-level analysis indicates deep high pressure ridge centered over New Mexico and extending eastward across Texas with the local area on the its eastern periphery. At the surface, a 1018mb high is centered across the western Gulf with high pressure extending into the Mississippi Valley. A weak 1009mb low is centered across Illinois with a frontal boundary extending southwestward of this feature across the central Plains. Severe thunderstorms have developed along this boundary and are dropping southeastward across northern Oklahoma, southeastern Kansas, and southwestern Missouri. Infrared satellite imagery indicate the two clusters of thunderstorms that have developed upstream while locally just a few high clouds are passing through with clear skies otherwise.

Overnight, the frontal boundary will continue to drop southeastward into an environment with strong instability and moderate shear in place. HRRR/NAM 3km hi-res simulated radar solutions are indicating that the two clusters will merge and continue to drop southward across Oklahoma and Arkansas overnight. The feature will ride along the northeastern edge of the mid-level ridge and the ridge should help serve to weaken storms as they get into the ArkLaTex. A severe threat cannot be completely ruled out for southeastern Oklahoma, southwestern Arkansas and extreme northeast Texas. The Storm Prediction Center (SPC) has a Marginal Risk for severe weather north of the I-20 corridor with a Slight Risk for portions of McCurtain and Sevier counties. The primary threat with any storms appears to be damaging winds and in addition storms look to be prolific lightning producers. This threat will quickly diminish by the mid-morning hours as any lingering convection moves into the I-20 corridor.

For temperatures, oppressive heat continues for the area with temperatures still in the upper 80s to lower 90s and heat indices in the 100-110F range across the area this evening. With dew points in the mid to upper 70s across much of the area, there is a model consensus that this will limit overnight temps to the upper 70s. An Excessive Heat Warning is in effect for East Texas and northwestern Louisiana while a Heat Advisory is in effect elsewhere. /04-Woodrum/

PREV DISCUSSION. /issued 631 PM CDT Sat Jul 11 2020/

AVIATION .

VFR conditions will prevail across the terminals through the majority of the TAF period. The exception is the possibility of thunderstorms moving southward across Texarkana and El Dorado during the pre-dawn hours and clearing by the mid-morning. The thunderstorms are forecast with a VCTS prevailing group at this time and as more confidence in the storms and their timing comes in overnight, TEMPO groups will be needed for IFR/MVFR conditions as the storms move through. The storms are expected to mostly diminish before reaching the remaining terminals to the south. Light southeasterly winds at 5-10kts will become southwesterly by Sunday afternoon across the terminals. /04-Woodrum/

PREV DISCUSSION . /issued 223 PM CDT Sat Jul 11 2020/

SHORT TERM . /Tonight through Sunday Night/

Airmass behind the frontal boundary to have minimal impact on temperatures on Sunday with lingering cloud- cover perhaps having a greater impact. Regardless, due to uncertainty regarding the extent of remnant cloud cover following early convection, models are fairly consistent on supporting 105 to 110 degree heat index values along and north of I-20 with higher amounts south of I-20 ahead of the frontal boundary. Therefore, the Excessive Heat Warning will be shifted southward with the remainder of the region remaining under a Heat Advisory through 7 PM Sunday. /05/

LONG TERM . /Monday through Friday Night/

Starting 12z Monday . In the words of Walter Winchell, "It's a sure sign of summer if the chair gets up when you do", and as I have heard before in Texas, this upcoming week is going to be "hotter than a stolen tamale". Upper level ridging is expected to expand farther eastward towards our region at the start of the upcoming week. As a result, afternoon high temperatures will continue to climb into the upper 90s across the area, with a possibility of some areas reaching the lower 100s. As per the previous discussion, have continued to trend slightly downward to a more conservative outcome with temperatures from what NBM populated due to some moist soil conditions and ample low-level moisture advection. Regardless, a few degrees here and there wont change the fact that it is going to be hot as a billy goat in a pepper patch.

As we move toward the end of next week, medium-range model guidances is hinting that the ridge axis will be more SW to NE from the Southern Plains into the central CONUS. If this does indeed happen, we could see an increase in some afternoon isolated convection across the southern portion of the forecast area, mainly during afternoon peak heating hours. Aside from this possible late week convection, the remainder of the long term period appears to be fairly dry across the region. /33/

PRELIMINARY POINT TEMPS/POPS. SHV 97 77 98 77 / 0 10 20 0 MLU 98 77 98 77 / 10 10 20 10 DEQ 97 75 96 74 / 0 30 30 10 TXK 95 76 95 76 / 0 20 20 0 ELD 97 77 96 75 / 0 20 30 10 TYR 96 77 97 77 / 0 10 20 10 GGG 97 77 99 77 / 0 10 20 10 LFK 98 77 100 77 / 0 0 0 0

SHV WATCHES/WARNINGS/ADVISORIES. AR . Heat Advisory until 7 PM CDT Sunday for ARZ050-051-059>061- 070>073.

LA . Excessive Heat Warning until 7 PM CDT Sunday for LAZ001>003- 010>012-017>020.

Heat Advisory until 7 PM CDT Sunday for LAZ004>006-013-014-021- 022.

OK . Heat Advisory until 7 PM CDT Sunday for OKZ077.

TX . Excessive Heat Warning until 7 PM CDT Sunday for TXZ124>126- 136>138-149>153-165>167.

Heat Advisory until 7 PM CDT Sunday for TXZ096-097-108>112.



04/05/33


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Barksdale Air Force Base, LA11 mi76 minSW 510.00 miFair90°F87°F93%1012.9 hPa
Shreveport, Shreveport Regional Airport, LA13 mi16 minS 47.00 miA Few Clouds86°F79°F80%1012.4 hPa
Shreveport, Shreveport Downtown Airport, LA14 mi19 minSSW 410.00 miFair89°F77°F68%1012.5 hPa

Link to 5 minute data for KBAD

Wind History from BAD (wind in knots)
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Last 24hrCalmCalmCalmSE3SE3CalmCalmSE4CalmCalmW6W7W4W9SW7W5SW6SW5SW6W6SW5SW5SW5S3
1 day agoS5SE3SW9SW7S5S4SW6SW4SW4SW5W9W5W6W4S4W5N6W3CalmNW8CalmSE4S6SW5
2 days agoSE3S5S9S8SW9SW8S6SW5S6SW7SW11SW11SW14
G20
W7W10SW3CalmW4SW4S8S7E4SE4S5

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 (23,6,7,8)
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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.