Marine Weather and Tide Forecast for Grenada, MS
December 8, 2023 12:28 PM CST (18:28 UTC)
Sunrise 6:51AM Sunset 4:54PM Moonrise 3:28AM Moonset 2:58PM
Area Discussion for - Jackson, MS
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FXUS64 KJAN 081752 AAC AFDJAN
Area Forecast Discussion...UPDATED National Weather Service Jackson MS 1152 AM CST Fri Dec 8 2023
New AVIATION
MESOSCALE UPDATE
Issued at 1140 AM CST Fri Dec 8 2023
Rest of today...
A mostly quiet & moderating aftn is expected. Morning upper air/RAP/water vapor analysis indicates shortwave trough moving across the northern Gulf Coast region, with increased mid-high moist advection. PWs have climbed to around an inch, with moist ascent in the mid-high layers. This is keeping widespread cloud shield across the region. However, low-level WAA is still progged to help highs warm some +5 degrees above normal in the upper 60s to low 70s. Increased ascent & deepening moisture will continue to aid in some increased radar returns & shower coverage to develop.
The best light rain chances look to remain across the western half, mainly northwest of the Natchez Trace corridor. Updates will be out shortly, with no major changes needed. /DC/
DISCUSSION
Issued at 354 AM CST Fri Dec 8 2023
Today through tonight: Increasing warm advection ahead of a significant upper level trough will bring milder and more humid conditions to the forecast area as we go through tonight. A minor disturbance in southwest flow aloft should help initiate a few showers later today into this evening. Any rainfall in our area will be light during the near term and mostly confined to western and northern portions of the area. /EC/
Saturday through Thursday night: The main focus in the extended will be the strong storm system moving across the area Saturday through Saturday night. By Saturday afternoon the cold front will be poised across the Delta, with increasing development of showers/storms. The front will move across the area during the afternoon through the evening hours, before moving east of the area after midnight. With good instability, steep mid level lapse rates and decent shear, severe storms are likely. Initially there could be a few more cellular storms, but as the day progresses, expect the storms to become more linear as the line of storms progresses across the area. Expect the primary risk to be damaging wind gusts and large hail, but a few tornadoes will be possible.
A slight risk is already in effect for most of the area, with a marginal risk for the east and southeast.
A few showers could linger in the east Saturday night, but expect all of the activity to be east of the area by Sunday morning. Much cooler air will build in behind the front on Sunday, with highs ranging from the mid 40s across the delta to the mid 50s in the Pine Belt Region. High pressure will build across the are Sunday night into Monday, with lows ranging from the upper 20s to low 30s. High pressure will continue through the end of the period, with mostly sunny skies and highs in mid/upper 50s and lows in the 30s each day./15/
AVIATION
(18Z TAFS)
Issued at 1152 AM CST Fri Dec 8 2023
VFR conditions prevail across the region, but a broken to overcast stratus deck exists around 7-9kft and scattered -SHRA are moving across the region. Late this evening through Saturday morning, ceilings are expected to fall to MVFR areawide with IFR to LIFR possible mainly across east and southeast MS where visibility reductions are also possible around daybreak due to fog. Ceiling improvements are expected during the mid morning to midday hours with most areas returning to VFR by afternoon. Scattered SHRA will continue to be possible through the TAF period with perhaps an isolated TS. Southerly winds may gust to around 20 kt at times.
/DL/
PRELIMINARY POINT TEMPS/POPS
Jackson 69 60 77 42 / 20 40 70 90 Meridian 69 57 77 45 / 10 40 60 100 Vicksburg 71 61 78 42 / 20 40 90 90 Hattiesburg 71 58 78 49 / 10 20 50 100 Natchez 70 61 78 42 / 30 30 70 90 Greenville 66 60 74 41 / 30 50 90 70 Greenwood 67 60 74 41 / 20 50 90 90
JAN WATCHES/WARNINGS/ADVISORIES
MS...None.
LA...None.
AR...None.
Area Forecast Discussion...UPDATED National Weather Service Jackson MS 1152 AM CST Fri Dec 8 2023
New AVIATION
MESOSCALE UPDATE
Issued at 1140 AM CST Fri Dec 8 2023
Rest of today...
A mostly quiet & moderating aftn is expected. Morning upper air/RAP/water vapor analysis indicates shortwave trough moving across the northern Gulf Coast region, with increased mid-high moist advection. PWs have climbed to around an inch, with moist ascent in the mid-high layers. This is keeping widespread cloud shield across the region. However, low-level WAA is still progged to help highs warm some +5 degrees above normal in the upper 60s to low 70s. Increased ascent & deepening moisture will continue to aid in some increased radar returns & shower coverage to develop.
The best light rain chances look to remain across the western half, mainly northwest of the Natchez Trace corridor. Updates will be out shortly, with no major changes needed. /DC/
DISCUSSION
Issued at 354 AM CST Fri Dec 8 2023
Today through tonight: Increasing warm advection ahead of a significant upper level trough will bring milder and more humid conditions to the forecast area as we go through tonight. A minor disturbance in southwest flow aloft should help initiate a few showers later today into this evening. Any rainfall in our area will be light during the near term and mostly confined to western and northern portions of the area. /EC/
Saturday through Thursday night: The main focus in the extended will be the strong storm system moving across the area Saturday through Saturday night. By Saturday afternoon the cold front will be poised across the Delta, with increasing development of showers/storms. The front will move across the area during the afternoon through the evening hours, before moving east of the area after midnight. With good instability, steep mid level lapse rates and decent shear, severe storms are likely. Initially there could be a few more cellular storms, but as the day progresses, expect the storms to become more linear as the line of storms progresses across the area. Expect the primary risk to be damaging wind gusts and large hail, but a few tornadoes will be possible.
A slight risk is already in effect for most of the area, with a marginal risk for the east and southeast.
A few showers could linger in the east Saturday night, but expect all of the activity to be east of the area by Sunday morning. Much cooler air will build in behind the front on Sunday, with highs ranging from the mid 40s across the delta to the mid 50s in the Pine Belt Region. High pressure will build across the are Sunday night into Monday, with lows ranging from the upper 20s to low 30s. High pressure will continue through the end of the period, with mostly sunny skies and highs in mid/upper 50s and lows in the 30s each day./15/
AVIATION
(18Z TAFS)
Issued at 1152 AM CST Fri Dec 8 2023
VFR conditions prevail across the region, but a broken to overcast stratus deck exists around 7-9kft and scattered -SHRA are moving across the region. Late this evening through Saturday morning, ceilings are expected to fall to MVFR areawide with IFR to LIFR possible mainly across east and southeast MS where visibility reductions are also possible around daybreak due to fog. Ceiling improvements are expected during the mid morning to midday hours with most areas returning to VFR by afternoon. Scattered SHRA will continue to be possible through the TAF period with perhaps an isolated TS. Southerly winds may gust to around 20 kt at times.
/DL/
PRELIMINARY POINT TEMPS/POPS
Jackson 69 60 77 42 / 20 40 70 90 Meridian 69 57 77 45 / 10 40 60 100 Vicksburg 71 61 78 42 / 20 40 90 90 Hattiesburg 71 58 78 49 / 10 20 50 100 Natchez 70 61 78 42 / 30 30 70 90 Greenville 66 60 74 41 / 30 50 90 70 Greenwood 67 60 74 41 / 20 50 90 90
JAN WATCHES/WARNINGS/ADVISORIES
MS...None.
LA...None.
AR...None.
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Airport Reports
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Wind History from GWO
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Columbus AFB, MS,
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