Wednesday, October20, 2021
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Marine Weather and Tides
Pachuta, MS

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:02AMSunset 6:19PM Wednesday October 20, 2021 8:57 AM CDT (13:57 UTC) Moonrise 6:35PMMoonset 6:57AM Illumination 100% Phase: Full Moon; Moon at 14 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 Pachuta, MS
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location: 31.95, -88.87     debug


Area Discussion for - Jackson, MS
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FXUS64 KJAN 201140 AAA AFDJAN

Area Forecast Discussion . UPDATED National Weather Service Jackson MS 640 AM CDT Wed Oct 20 2021

UPDATE. Updated for 12Z aviation discussion

AVIATION. 12Z TAF discussion: VFR conds ongoing to N, with high level bkn cirrus deck persisting. Lower MVFR stratus/cigs are moving in, slightly earlier than anticipated at JAN & HKS. Best chance of light SHRA in SE terminals looks after 20/14Z & spread NW towards JAN & HKS after 20/18-19Z. Any psbl TS looks sporadic so only mentioned at PIB & HBG for now. N extent of SHRA may be a little less coverage but for now will put light SHRA in central terminals & only VCSH at MEI. Any rain should wind down by early evening, but could reinvigorate at E TAF sites close to daybreak Thurs. MVFR cigs could improve to VFR by midday. E-SE winds will persist through the aftn-evening hours. Flight cat reductions to MVFR-IFR cigs look to redevelop after 21/03-08Z & later end would be more IFR- LIFR stratus/cigs & areas of fog/vis to develop. This will be the case at most TAF sites, outside of GLH, with better chances for more areas of fog in central & S terminals. /DC/

DISCUSSION.

Today & tonight .

Today: Closed low aloft is centered over W Nebraska, with sfc low & frontal zone developing across the Plains & Upper MS Valley. This closed low & surface cyclone are progged to eject E-NE. Our region remains under influence of mid-level ridge axis & sfc ridge building to the E. Increasing S return flow is helping moisture advect to the N, leading to deeper moisture of +1 inch PWs S of Hwy 84/98 & tropical moisture of +1.5 inch PWs across the N Gulf Coast. Subtle jet streak/perturbed flow will help increase lift across the region. With increasing S flow, dewpoints will quickly climb into low 60s across the S half by mid-morning & low-mid 60s areawide with some upper 60s-low 70s dewpoints possible in Hwy 84/98 corridors. With increasing WAA, coverage of showers will quickly increase to W-NW by mid-morn in the Pine Belt, S of I-20 by midday & generally along & SE of the Natchez Trace by mid-aftn. There are some decent lapse rates & ~30kt 0-6km bulk shear, so a brief strong storm can't be ruled out into the aftn hours. However, expect most of this to remain more showery as forcing mechanism will remain more mesoscale dependent. There are some indications of some heavy downpours in the Hwy 98 corridor & Pine Belt in the HREF localized prob match mean. This is supported by anomalous deep moisture, but with limited forcing/mesoscale defendant, am holding off mention in HWO. Some quick +2-3 inch downpours aren't improbable.

Highs will generally be warm above climo in the NW Delta in the low- mid 80s, while increasingly widespread clouds/rain will hinder heating closer to climo in SE in upper 70s.

Tonight: As the closed low & surface cyclone eject into the Great Lakes, this will drag a cold front down into the Ozarks & Mid-S by daybreak. Any lingering convection/showers will wind down in I-59 corridor before midnight. However, this could be short lived as deep moisture & perturbed W flow will help spark some overnight convection E of I-55 corridor, especially in the Hwy 45 & I-59 corridors just before daybreak. With continued WAA, widespread low stratus & patchy fog are possible. This will have to be evaluated if this will be enough mixing/low-level flow to limit impactful fog issues. Lows will be well above climo, some +15 degrees, in the mid-upper 60s. /DC/

Thursday through Wednesday .

A low pressure system with cyclonic flow extending across the Midwest is expected to bring a weak cold front through the ArkLaMiss region. Preceding the front, WAA looks to keep Thursday temps above climo and also support instability. Due to this, rain chances are in the mix, with the greatest chance of showers and t'storms being in the SE. In the wake of the front, the llvl trough is expected to lift NE out of the region and inject slightly cooler and drier air into our area. However, lingering subtropical moisture could support rain chances on Friday, with the highest chance being S of I-20. High temperatures will range from the low to mid 80s on Thursday, while overnight lows ranging from the mid 50s to mid 60s are expected.

By Friday, temperatures will dip back into the mid 70s to low 80s behind the front, but will not last long as a surface high pressure builds NE near the Gulf Coast. A broad midlevel trough extending from the Rockies to the New England coast will maintain westerly, zonal flow into the SE region, which looks to keep conditions dry throughout the weekend. Lingering Gulf moisture and weak WAA may be able to support instability at the beginning of the work week, but the very dry midlevels may inhibit any significant chance of rain. The next best chance of rain looks to be on Wednesday as the potential for a relatively potent cold front may affect the region. We will keep an eye on this in the next couple of forecast cycles. Temperatures will remain above climo and range from the low to mid 80s through Tuesday. Overnight lows will range in the lower 50s to lower 60s throughout the weekend, but rise into the mid to upper 60s Monday through Tuesday night. /AJ/

PRELIMINARY POINT TEMPS/POPS. Jackson 80 67 85 59 / 47 15 22 10 Meridian 77 65 82 58 / 25 30 55 14 Vicksburg 82 66 86 59 / 32 6 11 7 Hattiesburg 77 67 83 64 / 65 35 54 5 Natchez 80 66 84 62 / 37 10 11 6 Greenville 83 66 85 54 / 3 5 10 4 Greenwood 82 66 83 54 / 5 8 17 5

JAN WATCHES/WARNINGS/ADVISORIES. MS . None. LA . None. AR . None.



DC/AJ


Weather Reporting Stations
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On 03/09/2021 the NDBC primary processing servers were shut off due to a facilities issue. Station pages on the NDBC website are not updating and there is no ETR at this time. We will update this banner as we learn more.
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
OBLA1 - 8737048 - Mobile State Docks, AL 97 mi69 min 69°F 76°F1021.6 hPa

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Meridian, Key Field, MS28 mi59 minNNW 310.00 miFair59°F56°F90%1022.6 hPa

Link to 5 minute data for KMEI

Wind History from MEI (wind in knots)
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Last 24hr00SE633S5E7SE5E6E3000000000N3NW3N3N3NW3
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Tide / Current Tables for Lower Hall Landing, Tensaw River, Alabama
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Lower Hall Landing
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Wed -- 03:16 AM CDT     1.26 feet High Tide
Wed -- 06:52 AM CDT     Moonset
Wed -- 06:57 AM CDT     Sunrise
Wed -- 09:57 AM CDT     Full Moon
Wed -- 12:06 PM CDT     0.58 feet Low Tide
Wed -- 06:14 PM CDT     Sunset
Wed -- 06:32 PM CDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Tide / Current Tables for Mobile (Mobile State Docks), Alabama
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Mobile (Mobile State Docks)
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Wed -- 01:00 AM CDT     1.45 feet High Tide
Wed -- 06:52 AM CDT     Moonset
Wed -- 06:58 AM CDT     Sunrise
Wed -- 09:01 AM CDT     0.66 feet Low Tide
Wed -- 09:57 AM CDT     Full Moon
Wed -- 06:14 PM CDT     Sunset
Wed -- 06:32 PM CDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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