Thursday, July16, 2020
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Marine Weather and Tides
Columbus, MS

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 5:54AMSunset 8:05PM Thursday July 16, 2020 9:36 AM CDT (14:36 UTC) Moonrise 2:24AMMoonset 4:35PM Illumination 15% Phase: Waning Crescent; Moon at 26 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 Columbus, MS
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location: 33.51, -88.41     debug


Area Discussion for - Jackson, MS
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FXUS64 KJAN 161114 AFDJAN

Area Forecast Discussion National Weather Service Jackson MS 614 AM CDT Thu Jul 16 2020

UPDATE. Updated for 12Z aviation discussion

AVIATION. 12Z TAF discussion: LIFR cigs for the next couple hours in the east and southeast. Should be breaking up shortly after sunrise, then a return to VFR. Afternoon showers and thunderstorms again today, better chances for HBG/PIB, and forecast is reflective of that. Generally light and variable winds. Amount and location of better precip tonight will end up impacting the forecast after 06z tonight with LIFR cigs/vis, more than likely in the southeast. But so far, there is enough of a migration to the west in the pops that will be holding off on making that switch.

DISCUSSION. Today and tonight . Continued hot and humid conditions across the region will result in another Heat Advisory for today for much of Central MS and the ArkLaMiss region. General light flow over the region does little to advect anything to alter the airmass. Above normal temps continue as well with the region on the edge of mid level ridging parked over the desert SW. MaxTs continue to climb into the mid to upper 90s. Dewpoints in the 70s/approaching 80 push heat indices into the 105- 110F range. Mid/upper level ridging building in the models, providing a modicum of suppression for the convective element this afternoon, at least across the north/northwest. Plenty of instability, more than adequate llvl lapse rates . less so in the midlevels, but that was enough yesterday. Similarly, a lack of significant flow aloft would likely result in some slow moving storms and increased flooding potential. Some guidance seems to be focusing in the southeast, but the more recent model runs are tracking that same weakness/wave that has been the remnant of recent convection into the southwest as the afternoon wears on. As a result, have made some adjustments to the pops, backing likely tsra into the SW later this afternoon/evening.

Friday through Wednesday:

Summer continues across the South this weekend and into early next week. A broad ridge of high pressure aloft will become stretched out across the Interstate 40 corridor from Arizona and New Mexico eastward to the Carolinas. This will have the effect of shifting the axis of greatest heating generally to the north for the weekend and early next week. Max heat index values in our forecast area could still reach the 106 to 110 degree range on Friday, but slightly lower dewpoints on Saturday and Sunday may be enough to cap out heat index values closer to the 100-105 degree range across the area. Therefore will keep an "Elevated" heat threat mentioned in the Hazardous Weather Outlook text and graphics for Friday, extend the "Limited" threat into Saturday and Sunday, particularly for the ArkLaMiss Delta region. Heat Advisories may be needed over the next few days, and anyone with outdoor plans should continue to exercise caution and plan accordingly to stay cool and hydrated.

As the ridge lifts northward, the Gulf Coast region will come under the influence of the Easterlies, and a few waves are expected to move across the region through the early parts of next week. This would favor greatest diurnal shower and thunderstorm chances to be mainly south of Interstate 20 each day, but shortwaves moving through the westerlies north of the ridge axis could also steer some showers and storms toward northern parts of the forecast area at times. Model guidance suggests a weakness could develop in the ridge to our west by around Tuesday or Wednesday, and it's during that time frame that easterly waves crossing the Gulf Coast and a shortwave or two in the westerlies look to excite the rain chances again after a relative minimum over the weekend. Any severe threat will be conditional on parameters aligning for microbursts, but at this point in time there is no confidence in any organized severe weather threat. /NF/

PRELIMINARY POINT TEMPS/POPS. Jackson 95 74 95 75 / 47 7 14 5 Meridian 93 73 95 73 / 45 6 15 5 Vicksburg 95 76 96 76 / 30 9 14 3 Hattiesburg 91 72 93 73 / 63 5 24 6 Natchez 93 74 93 73 / 58 7 19 4 Greenville 95 76 93 75 / 25 10 19 2 Greenwood 95 76 95 75 / 31 9 17 2

JAN WATCHES/WARNINGS/ADVISORIES. MS . Heat Advisory from 11 AM this morning to 7 PM CDT this evening for MSZ018-019-025>057-059>065.

LA . Heat Advisory from 11 AM this morning to 7 PM CDT this evening for LAZ007>009-015-016-023>026.

AR . Heat Advisory from 11 AM this morning to 7 PM CDT this evening for ARZ074-075.



HJS


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Columbus/West Point/Starkville, Golden Triangle Regional Airport, MS10 mi41 minSSE 710.00 miOvercast74°F72°F94%1020.9 hPa
Columbus Air Force Base, MS11 mi41 minS 610.00 miOvercast77°F71°F83%1020.1 hPa
George M Bryan Airport, Starkville, MS24 mi42 minSE 310.00 miOvercast70°F69°F100%1020.3 hPa

Link to 5 minute data for KGTR

Wind History from GTR (wind in knots)
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Last 24hrCalmSW6S4N3SW10
G19
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W5S8S13SW3CalmSE8SE7--W4S7S6S5S7S6S8S7
1 day agoN33N4Calm4SW4W5CalmNW3CalmE4CalmS3CalmCalmCalmCalmCalmCalmSE3SE3SE5S3S3
2 days agoCalmN3CalmN6N9N7N4N6N6NE5NE3CalmCalmCalmE3CalmCalmCalmCalmCalmCalmN3CalmCalm

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

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Jackson, MS (10,2,3,4)
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Ground Weather Radar Station Columbus AFB, MS
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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.