Marine Weather and Tides
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 6:25AM||Sunset 5:59PM||Tuesday March 2, 2021 5:04 PM CST (23:04 UTC)||Moonrise 10:55PM||Moonset 9:42AM||Illumination 82%|
7 Day Forecast for Marine Location Near Grenada, MSHourly EDIT Help
Area Discussion for - Jackson, MS  (on/off)  Help NOTE: mouseover dotted underlined text for definition
FXUS64 KJAN 022028 AFDJAN
Area Forecast Discussion National Weather Service Jackson MS 228 PM CST Tue Mar 2 2021
Early afternoon water vapor imagery continues to depict a compact shortwave trough sliding across the area. Meanwhile, at the surface, low pressure centered just off the southeast Louisiana coast will continue to push east towards the Florida Panhandle. Regional radars indicate ongoing precipitation across the area with a band of showers over the Pine Belt and another area of rain over the Delta associated with the upper wave. Light rain/drizzle was also noted on a number of observations across central Mississippi. The area of rain over the Delta will continue to push east through the afternoon and early evening hours as the parent wave lifts out of the area. A few sleet reports have also been received and isn't overly surprising given a shallow layer of dry air just off the surface. Evaporational cooling in this layer of dry air has allowed for a few of the rain drops to refreeze into sleet pellets. No accumulations or impacts are expected as surface temperatures remain well above freezing. Precipitation will move out of the area this evening prior to midnight with much drier air overnight and into tomorrow. Surface high pressure will subsequently shift east out of the Southern Plains with the high centered over the ArkLaTex. This will allow for radiational cooling across the Delta as the surface pressure gradient relaxes and clouds clear out. Here, temperatures will fall into the low 30s with areas of fog possible given saturated soils and calm conditions. Elsewhere, lows will range from the low 40s along the I-59 corridor to mid 30s along the Natchez Trace corridor. For tomorrow, any lingering clouds in the morning should clear out by the afternoon with a return to mostly sunny skies and high temperatures in the low 60s areawide. /TW/
Thursday and Friday .
The upper air pattern Thursday into Friday will largely consist of deep troughs on both west and east coasts of the CONUS with ridging over the midsection. Underneath the ridge, which will be centered just east of the Rockies by Friday, a closed upper low will migrate eastward. This closed upper low will begin to feel the affects of large scale convergent northwest flow behind the slow moving east coast trough and will weaken and move southeast as it approaches the area Friday afternoon into the overnight. Increasing rain chances are possible Friday afternoon and early evening particularly in the northwest as the upper low yields a weak surface reflection. A thunderstorm or two may be possible with this activity before the surface low degenerates into a trough as it slides south and east. Scattered showers will be possible overnight for most areas with rain chances diminishing Saturday morning as the decaying low moves south away from the area.
Saturday into next week .
After a cloudy start to Saturday with a few lingering showers, temperatures begin a moderating trend with little in the way of additional rain chances. A drier airmass in place, characterized by surface dewpoints in the lower 30s, with our weather largely dominated by high pressure will make for warmer afternoons with mostly clear to partly cloudy conditions expected into next week. The nights may be a bit chilly as the low humidity, weak winds, and limited cloud cover will allow for effective radiational cooling. Some locations in the northern zones may approach freezing a night or two, with the most likely chances for a freeze being Saturday night into early Sunday morning. Any periods where temperatures fall to near freezing will be brief as afternoon highs warm into the middle and upper 60s for most by Sunday, with temperatures reaching into the 70s by next week. The next chance for rain may come by the middle of next week with showers as a cold front approaches from the northwest. /86/
AVIATION. 18Z TAF discussion: IFR CIGS or VSBSYS are expected to continue at KPIB and KHBG through 23Z, before VSBYS improve and -RA moves east of those terminals. Further north, another -RA is expected to increase in coverage again from 19Z and push east through 3Z or so. This will provide a window of lower VSBYS/CIGS (MVFR or IFR) and -RA during that timeframe at most remaining terminals. The exception to this is KGLH, where rain/MVFR conditions may end closer to 0Z or 1Z, when VFR CIGS/VSBYS return. VFR conditions should return between 1Z and 3Z to the forecast in the early evening hours to other northern terminals (KGWO, KGTR). Guidance holds onto MVFR CIGS after midnight further south. Could be some fog after midnight in southern terminals, but left this out for now.
PRELIMINARY POINT TEMPS/POPS. Jackson 37 61 37 68 / 3 0 0 0 Meridian 39 62 37 68 / 57 0 0 0 Vicksburg 36 62 37 68 / 0 0 0 0 Hattiesburg 41 64 37 69 / 27 0 0 0 Natchez 37 61 37 68 / 1 0 0 0 Greenville 33 61 38 65 / 1 0 0 0 Greenwood 34 61 37 68 / 6 0 0 0
JAN WATCHES/WARNINGS/ADVISORIES. MS . None. LA . None. AR . None.
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|Greenwood, Greenwood-LeFlore Airport, MS||24 mi||71 min||NNE 5||10.00 mi||Light Rain||43°F||38°F||82%||1022.6 hPa|
Link to 5 minute data for KGWO
Wind History from GWO (wind in knots)
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