Monday, January20, 2020
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Marine Weather and Tides
Pelahatchie, 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 6:58AMSunset 5:23PM Monday January 20, 2020 12:10 PM CST (18:10 UTC) Moonrise 4:10AMMoonset 2:49PM Illumination 20% Phase: Waning Crescent; Moon at 25 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 Pelahatchie, MS
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location: 32.38, -89.86     debug


Area Discussion for - Jackson, MS
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FXUS64 KJAN 201746 AAC AFDJAN

Area Forecast Discussion . UPDATED National Weather Service Jackson MS 1146 AM CST Mon Jan 20 2020

UPDATE.

Updated for 18Z aviation discussion.

AVIATION.

18Z TAF discussion:

VFR conditions and winds from the north at around 5 to 10 kts are expected to prevail through the period. /NF/

DISCUSSION.

No significant changes needed to the current forecast through tonight. Cold air advection will continue across the region, and model guidance seems to be handling all weather elements well today. /NF/

Prior discussion below:

Today and Tonight:

A relatively quiet but cold weather pattern in the short term forecast. A surface high pressure ridge is stretched over the Plains from central Canada to southern TX, putting Mississippi in northerly flow. Cooler air advecting in, combined with mostly clear skies this morning has temperatures dropping into the 30s and upper 20s. With such a cold start to the day, guidance has dropped a couple more degrees in the north. Resulting high temperatures for today range from the upper 30s across the north, to the 40s for the rest of Central Mississippi. Northerly winds today may become a little gusty through the afternoon, losing the gusts after sunset and the boundary layer decouples. Overnight lows will be dropping once again into the 20s across the area under mostly clear skies. Although the winds will generally stay under 10kts in the early morning hours tomorrow, the wind chills will still drop into the teens and 20s for a few hours around dawn. /HJS/

Tuesday through Sunday:

Early week (Tuesday-Wednesday): Quiet start to the work week will persist. Mid-level ridge axis & center of the surface high will be building across the region on Tuesday. Due to that, expect below normal high temperatures through mid-week, with highs in the low- mid 40s Tuesday & slightly warming by mid-week due to some gradual return flow. In addition, with some moisture return aloft, expect increasing mid-high level cloudiness late Tuesday & into Wednesday. Even with some high clouds, we still should be able to radiate below freezing, into the mid-upper 20s.

Thursday-Friday: By Thursday, a trough will be digging through the mid-Plains & through the mid-Mississippi Valley. This will help continued return flow of moisture & some gradual uptick in warmth on Thursday. There is somewhat of some decreased global model consensus on the eventual synoptic amplitude of the trough, with the Euro & Canadian slightly digging more than the GFS. Regardless, the system looks overall disjointed & the most efficient moisture advection looks to remain closer to the marine coastal areas. Due to that, expect increasing rain showers, starting before midnight west of the Mississippi River & spreading eastward through Thursday, before the front & associated rain & clouds move out by late Friday afternoon. There doesn't seem to be much in the way of destabilization & chances for storms. With less moisture transport & overall moisture depth, this keeps heavy rain potential low, which is needed change from recent rain soaked antecedent conditions. In addition, highs won't really warm that much through the period. Due to moisture advection & widespread rain & clouds, lows will be on a gradual warming trend through the period.

Next weekend: Expect broad-scale subsidence, leading to clearing skies & near-slightly above normal warmth. There is some decreased consensus on shortwave trough energy into late next weekend, which could bring some very slight rain chances late Sunday night, with the GFS more zonal & the Euro a little more amplified. Regardless, expect a mostly quiet period & a gradual warming trend through next weekend. /DC/

PRELIMINARY POINT TEMPS/POPS. Jackson 42 26 45 28 / 0 0 0 0 Meridian 43 25 45 26 / 0 0 0 0 Vicksburg 43 27 45 30 / 0 0 0 0 Hattiesburg 46 26 46 27 / 0 0 0 0 Natchez 44 28 46 30 / 0 0 0 1 Greenville 41 25 40 28 / 0 0 0 0 Greenwood 39 24 42 27 / 0 0 0 0

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



NF


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Jackson, Jackson International Airport, MS12 mi77 minNNE 910.00 miFair38°F19°F46%1034.9 hPa
Jackson, Hawkins Field Airport, MS19 mi78 minNW 610.00 miFair37°F17°F44%1034.7 hPa

Link to 5 minute data for KJAN

Wind History from JAN (wind in knots)
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Last 24hrN18
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N11N8N5N6N6N6N8N8N8N13
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1 day agoSW4SW7SW9
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W3NW3NW5--N10NW7N14
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2 days agoSE7SE14
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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 (13,3,4,5)
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Ground Weather Radar Station Jackson/Brandon, MS
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