Marine Weather and Tide Forecast for Grenada, MS
May 5, 2024 1:32 PM CDT (18:32 UTC) Change Location
 | Sunrise 6:06 AM Sunset 7:48 PM Moonrise 4:28 AM Moonset 5:16 PM |
Area Discussion for - Jackson, MS
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FXUS64 KJAN 051757 AFDJAN
Area Forecast Discussion National Weather Service Jackson MS 1257 PM CDT Sun May 5 2024
New AVIATION
MESOSCALE UPDATE
Issued at 949 AM CDT Sun May 5 2024
Showers and thunderstorms extend just west of the Mississippi River, as a short wave moves into the area. These storms are weakening, but expect some redevelopment early this afternoon.
As these storms redevelop this afternoon a couple of these storms could be strong to possibly severe, with damaging wind gusts and hail being the primary risk. A marginal risk is already in effect for most of the area, except the Pine Belt Region. Highs today will range from the low 80s in Northeast Louisiana to near 90 in the east./15/
DISCUSSION
Issued at 440 AM CDT Sun May 5 2024
Today and Tonight: Patchy dense fog will be possible in areas of the pine belt this morning, thus a limited threat continues through 9am. In addition isolated rain and storm chances will be possible this morning in the west/northwest as another shortwave trough approaches the area. Continued rain and storm chances will be possible this afternoon and evening in the (30-50%) range areawide as the wave continues to move east. Expect convection to be isolated to scattered as remnant storm activity in the high plains will be the main factor, as redevelopment will be possible in our area as heating occurs and instability increases by mid-day. Thus a marginal risk for severe storms has already been added to the HWO with the main threats being an isolated threat for damaging winds and hail. Previous marginal threat areas have been expanded to cover a majority of the CWA excluding the pine belt. Afternoon high temperatures will range from the low-80s in the west to the high-80s in the east. Look for convective activity to wane overnight, and this could be followed by the redevelopment of fog as we go into early Monday morning. /KP/
Monday through Saturday: A very warm and moist airmass will help to fuel an increasingly active weather pattern over the lower Mississippi Valley region. This will especially be the case as we go into mid week, when the concern for severe weather and heavy rainfall could be on the increase. The upper level longwave pattern to begin the work week will feature an impressive trough over the western half of the CONUS and an anomalously warm southeastern ridge with H850 T up to around 20 deg C. High temperatures will likely reach the lower 90s for much of the forecast area by Wednesday afternoon, and heat indices should approach 100 F.
As we go from Wednesday into Thursday, the westerlies should begin to have more influence, and this would lead to increased convective potential as a cold front moves southward into our area. Initially, convective systems and associated cold pools/outflow boundaries will most likely impact northwest to northern portions of the area, and then areas farther south along/south of the I-20 corridor would be impacted late Thursday into Friday. Given the very unstable airmass associated with the anomalously hot and humid conditions, at least some threat for strong to severe storms and perhaps heavy rainfall can be expected.
For Friday into Saturday, a big change is expected in the longwave pattern with a western ridge to eastern trough taking shape. This will support a big surge of cooler air into the forecast area and much drier conditions. /EC/
AVIATION
(18Z TAFS)
Issued at 1252 PM CDT Sun May 5 2024
Mostly VFR conditions prevail across TAF sites this afternoon, and expect this to continue through the evening hours. There will be brief MVFR Possibly IFR conditions as showers and isolated thunderstorms move across the area this afternoon. Expect most sites to become MVFR/IFR as stratus develops once again overnight after 08-09Z.
PRELIMINARY POINT TEMPS/POPS
Jackson 85 67 85 69 / 50 50 30 10 Meridian 89 65 87 67 / 60 40 30 10 Vicksburg 83 67 85 70 / 50 50 30 10 Hattiesburg 88 67 88 70 / 40 20 30 0 Natchez 82 66 85 69 / 50 30 30 10 Greenville 82 68 84 71 / 60 70 30 20 Greenwood 85 67 85 70 / 70 70 40 20
JAN WATCHES/WARNINGS/ADVISORIES
MS...None.
LA...None.
AR...None.
Area Forecast Discussion National Weather Service Jackson MS 1257 PM CDT Sun May 5 2024
New AVIATION
MESOSCALE UPDATE
Issued at 949 AM CDT Sun May 5 2024
Showers and thunderstorms extend just west of the Mississippi River, as a short wave moves into the area. These storms are weakening, but expect some redevelopment early this afternoon.
As these storms redevelop this afternoon a couple of these storms could be strong to possibly severe, with damaging wind gusts and hail being the primary risk. A marginal risk is already in effect for most of the area, except the Pine Belt Region. Highs today will range from the low 80s in Northeast Louisiana to near 90 in the east./15/
DISCUSSION
Issued at 440 AM CDT Sun May 5 2024
Today and Tonight: Patchy dense fog will be possible in areas of the pine belt this morning, thus a limited threat continues through 9am. In addition isolated rain and storm chances will be possible this morning in the west/northwest as another shortwave trough approaches the area. Continued rain and storm chances will be possible this afternoon and evening in the (30-50%) range areawide as the wave continues to move east. Expect convection to be isolated to scattered as remnant storm activity in the high plains will be the main factor, as redevelopment will be possible in our area as heating occurs and instability increases by mid-day. Thus a marginal risk for severe storms has already been added to the HWO with the main threats being an isolated threat for damaging winds and hail. Previous marginal threat areas have been expanded to cover a majority of the CWA excluding the pine belt. Afternoon high temperatures will range from the low-80s in the west to the high-80s in the east. Look for convective activity to wane overnight, and this could be followed by the redevelopment of fog as we go into early Monday morning. /KP/
Monday through Saturday: A very warm and moist airmass will help to fuel an increasingly active weather pattern over the lower Mississippi Valley region. This will especially be the case as we go into mid week, when the concern for severe weather and heavy rainfall could be on the increase. The upper level longwave pattern to begin the work week will feature an impressive trough over the western half of the CONUS and an anomalously warm southeastern ridge with H850 T up to around 20 deg C. High temperatures will likely reach the lower 90s for much of the forecast area by Wednesday afternoon, and heat indices should approach 100 F.
As we go from Wednesday into Thursday, the westerlies should begin to have more influence, and this would lead to increased convective potential as a cold front moves southward into our area. Initially, convective systems and associated cold pools/outflow boundaries will most likely impact northwest to northern portions of the area, and then areas farther south along/south of the I-20 corridor would be impacted late Thursday into Friday. Given the very unstable airmass associated with the anomalously hot and humid conditions, at least some threat for strong to severe storms and perhaps heavy rainfall can be expected.
For Friday into Saturday, a big change is expected in the longwave pattern with a western ridge to eastern trough taking shape. This will support a big surge of cooler air into the forecast area and much drier conditions. /EC/
AVIATION
(18Z TAFS)
Issued at 1252 PM CDT Sun May 5 2024
Mostly VFR conditions prevail across TAF sites this afternoon, and expect this to continue through the evening hours. There will be brief MVFR Possibly IFR conditions as showers and isolated thunderstorms move across the area this afternoon. Expect most sites to become MVFR/IFR as stratus develops once again overnight after 08-09Z.
PRELIMINARY POINT TEMPS/POPS
Jackson 85 67 85 69 / 50 50 30 10 Meridian 89 65 87 67 / 60 40 30 10 Vicksburg 83 67 85 70 / 50 50 30 10 Hattiesburg 88 67 88 70 / 40 20 30 0 Natchez 82 66 85 69 / 50 30 30 10 Greenville 82 68 84 71 / 60 70 30 20 Greenwood 85 67 85 70 / 70 70 40 20
JAN WATCHES/WARNINGS/ADVISORIES
MS...None.
LA...None.
AR...None.
Airport Reports
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Columbus AFB, MS,
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