Area Forecast Discussion
Issued by NWS Jackson, MS

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000 FXUS64 KJAN 021544 AFDJAN Area Forecast Discussion National Weather Service Jackson MS Issued by National Weather Service Huntsville AL 944 AM CST Tue Mar 2 2021 .UPDATE...
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Updated for morning discussion.
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&& .DISCUSSION...
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Light to moderate rain will continue to track northeast through the area this morning as SW winds aloft continue ahead of an upper low. This, combined with a saturated airmass, will keep rain in the forecast through the remainder of the day, and persistent thick cloud cover will keep temperatures from rising much above the upper 40s across most of the area this afternoon. Still expect the heaviest rain to be south of I-20 and along and east of the I-59 corridor later this afternoon. Northerly afternoon wind gusts could reach the 15-20mph range, making for a chilly and breezy afternoon in addition to the rain. Expect rain chances to gradually taper off from west to east later this afternoon into the evening hours. /HUN/ Prior discussion below: .Today and tonight...Rain is spreading across the area this morning out ahead of an upper low, that is centered over eastern Oklahoma. As the low approaches, the rain will increase in intensity later this morning and continue through much of the day. The heaviest rainfall amounts will be along and south of the Natchez Trace corridor, where most areas could receive as much as an inch, with isolated higher amounts by this evening. The heaviest rainfall amounts will be along the Highway 84 corridor. The upper low will move across north Mississippi later this afternoon into the evening hours, with the rain ending from west to east during this period. Surface high pressure will build in overnight, with skies becoming partly cloudy and lows falling into the mid/upper 30s for most of the area. /15/ Wednesday through Monday: With northwest flow aloft and surface high pressure following the exit of the trough, conditions will be quiet with near normal temps expected through Friday. Highs will be in the 60s with lows in the upper 30s to low 40s across the area. An upper shortwave moving around the ridge will dive down from the Colorado Rockies into the southern Plains on Friday and across our area late Friday into Saturday. Some rain will likely affect our CWA in this system with the southwestern parts of the area having the best chances for rainfall. Instability will be greatly limited and thus no severe storms are expected, much less any thunder. The shortwave will quickly move through the region Friday night into Saturday morning as the system moves around the base of the upper longwave trough situated over the eastern US. The remainder of the forecast will be quiet with near normal to slightly above normal temps continuing into next week. /10/
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&& .AVIATION... 12Z TAF discussion: All sites are VFR this morning as light rain continues across much of the area. The rain will continue over most TAF sites through much of the day, with a mix of VFR/MVFR conditions. The rain will end from west to east later this afternoon into the evening hours. /15/ && .PRELIMINARY POINT TEMPS/POPS...
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Jackson 49 38 61 37 / 93 11 0 0 Meridian 49 40 61 38 / 96 55 0 0 Vicksburg 49 37 60 37 / 90 2 0 0 Hattiesburg 54 40 62 38 / 97 27 0 0 Natchez 51 38 60 38 / 92 2 0 0 Greenville 46 36 58 38 / 66 4 0 0 Greenwood 48 37 59 37 / 78 16 0 0
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&& .JAN WATCHES/WARNINGS/ADVISORIES... MS...None. LA...None. AR...None. && $$

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