Marine Weather and Tides
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
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 6:03AM||Sunset 7:57PM||Thursday July 29, 2021 5:56 PM CDT (22:56 UTC)||Moonrise 11:36PM||Moonset 11:35AM||Illumination 70%|
7 Day Forecast for Marine Location Near Columbus, MSHourly EDIT Help
Area Discussion for - Jackson, MS  (on/off)  Help NOTE: mouseover dotted underlined text for definition
FXUS64 KJAN 291935 AFDJAN
Area Forecast Discussion National Weather Service Jackson MS 235 PM CDT Thu Jul 29 2021
. SIGNIFICANT HEAT STRESS EXPECTED TO CONTINUE THROUGH EARLY WEEKEND .
Tonight and tomorrow:
A dangerously hot and humid airmass will remain in place across the region beneath stout upper ridging stretching into the Lower Mississippi Valley from the Central Plains. Temperatures have soared into the mid to upper 90s today across much of the area with oppressive heat indices of 105-115 degrees. A few stray showers and thunderstorms may scrape across far southern portions of the area late this afternoon, but convection will remain suppressed owing to increasing ridging and nebulous forcing. Little relief from the heat is expected tonight with warm low temperatures in the mid to upper 70s beneath mostly clear skies. Going into tomorrow, dangerous heat will continue with 21-23 C 850mb temperatures fostering widespread upper 90s. A few readings at or near the 100 degree mark will also be possible, especially along the Hwy 82 corridor. The excessive heat warning has been expanded to include Ashley County in Arkansas, Morehouse County in Louisiana and Forrest County in Mississippi. Convection will also remain suppressed tomorrow with only isolated to scattered coverage across far southern portions of the area. /TW/
Friday Night through next Wednesday .
Ridging aloft will maintain its presence over the region heading into the upcoming weekend. This will keep rain chances more isolated in nature during the afternoon and evening hours, and over mainly southern and eastern portions of the CWA. This will likewise result in less relief from the ongoing high heat and humidity levels across the area. As a result, both the "Excessive Heat Warning" and "Heat Advisory" have been extended into Saturday for respected portions of the CWA, as afternoon heat indices are forecast to range between 105-115 degrees again.
A change in the overall pattern across the region will begin to take shape through the course of the day Sunday, and continuing into the middle of the new work week. High pressure aloft will begin breaking down across the region. This will allow the trough currently draped across the east coast of the United States to steadily retrograde into the Lower Mississippi River Valley. This scenario will cause a cold front to slowly sink south into and through the CWA Sunday night into Monday. This will allow for better rain chances to exist across the forecast area Sunday afternoon through Monday afternoon.
The front finally clears the region late Monday night into Tuesday. In its wake, slightly drier air will begin advecting into the forecast area. Some rain chances will remain over the CWA Tuesday into Wednesday, but again they'll remain confined primarily to the afternoon and early evening hours. Highs Monday through Wednesday will also be cooler, as they top out in the mid 80s to around 90, with slightly lower humidity levels expected. /19/
AVIATION. 18Z TAF discussion:
VFR conditions will prevail at all terminals through the TAF period. An afternoon cumulus field has developed across the area, however, ceilings are expected to remain VFR. A few scattered storms could result in VCTS at PIB/HBG later this afternoon, but most locations will stay dry. Clear skies are expected overnight with calm winds. Fog cannot be ruled out at any given terminal, but confidence in formation is lower compared to previous days so will not mention in the TAF. /TW/
PRELIMINARY POINT TEMPS/POPS. Jackson 76 98 77 98 / 1 3 3 22 Meridian 75 99 75 98 / 2 7 2 25 Vicksburg 77 99 78 99 / 4 9 1 15 Hattiesburg 77 98 76 98 / 22 30 9 37 Natchez 75 96 76 96 / 9 19 3 23 Greenville 76 100 77 99 / 0 1 1 11 Greenwood 76 100 77 99 / 0 4 2 14
JAN WATCHES/WARNINGS/ADVISORIES. MS . Excessive Heat Warning until 7 PM CDT Saturday for MSZ018-019- 025>043-047>049-053>055-062>065-072>074.
Heat Advisory until 7 PM CDT Saturday for MSZ044>046-050>052- 056>061-066.
LA . Excessive Heat Warning until 7 PM CDT Saturday for LAZ007>009- 016.
Heat Advisory until 7 PM CDT Saturday for LAZ015-023>026.
AR . Excessive Heat Warning until 7 PM CDT Saturday for ARZ074-075.
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|Columbus/West Point/Starkville, Golden Triangle Regional Airport, MS||10 mi||60 min||N 0||10.00 mi||Fair||96°F||76°F||52%||1016.6 hPa|
|Columbus Air Force Base, MS||11 mi||60 min||N 0||10.00 mi||Fair||94°F||74°F||52%||1015.5 hPa|
Link to 5 minute data for KGTR
Wind History from GTR (wind in knots)
|1 day ago||Calm||Calm||SE|
|2 days ago||SW||Calm||E||Calm||S||S||Calm||Calm||W||NW||E||Calm||Calm||Calm||S||S||W||W||Calm||W||NW||NW||N||N |
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