Tuesday, September28, 2021
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Marine Weather and Tides
Cuba, MO

Version 3.4
NOTICE
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 6:59AMSunset 6:55PM Tuesday September 28, 2021 10:51 AM CDT (15:51 UTC) Moonrise 10:37PMMoonset 1:16PM Illumination 53% Phase: Third Quarter Moon; Moon at 22 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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7 Day Forecast for Marine Location Near Cuba, MO
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location: 38.09, -91.42     debug


Area Discussion for - St. Louis, MO
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FXUS63 KLSX 281055 AFDLSX

Area Forecast Discussion . Updated Aviation National Weather Service Saint Louis MO 555 AM CDT Tue Sep 28 2021

SHORT TERM. (Through Late Wednesday Afternoon) Issued at 333 AM CDT Tue Sep 28 2021

The latest surface analysis early this morning has a stationary front along the Missouri/Iowa border eastward into central Illinois with generally weak southerly flow over the CWA. Latest water vapor analysis was showing an upper ridge over the Plains with a low over the centered near the Four Corners. Latest runs of the GFS and NAM continue to show that the upper ridge will slowly build over the Midwest through tomorrow which will keep us dry through tomorrow morning. A shortwave trough will approach the area by late Wednesday that coupled with PWATs around 1.5" will bring a chance of showers and thunderstorms to parts of central and southeast Missouri.

Temperatures this afternoon will warm back up to around 90 degrees given the warm start to the day, plenty of sunshine, and forecast soundings which show mixing up to 800mb. Highs on Wednesday will be a one or two degree cooler as surface winds turn out of the southeast.

Britt

LONG TERM. (Wednesday Night through Monday) Issued at 333 AM CDT Tue Sep 28 2021

Latest WPC Cluster Analysis is showing that a majority of ensemble members is supporting the ECMWF ensemble mean in the extended part of the forecast. It continues to show that the highly amplified upper ridge that will be over the Midwest on Thursday and Friday will dampen out by the weekend as the western CONUS trough lifts out and upper flow becomes more zonal across Missouri and Illinois. Before that, a series of weak shortwaves will move northeast on the backside of the upper ridge which will provide some weak ascent across Missouri and Illinois late this week. With the approach of the upper trough, this will draw moisture northward from the Gulf with above normal PWATS over the area starting Wednesday night that will continue into the weekend. Given the placement of the upper trough and moisture, the best chances for showers and a few thunderstorms will be over the western part of the CWA vs. the eastern half. Then the best chance for the entire area will be late Saturday into Sunday night when both the GFS/ECMWF are showing an upper trough and an attendant front moving across Missouri and Illinois. The ECMWF and NBM precipitation probabilities support this solution, however, precipitation amounts continue to look to be light through the period. 850mb temperatures will stay around 14C through Sunday ahead of the cold front, but then drop to around 10C by early next week. Surface flow will generally be from the southeast before switching to the northwest behind the front on Sunday. Temperatures plumes from the NBM and ECMWF ensembles support highs around 80 late this week before falling back close to normal early next week.

Britt

AVIATION. (For the 12z TAFs through 12z Wednesday Morning) Issued at 550 AM CDT Tue Sep 28 2021

Dry and VFR conditions are expected through the period with light winds.

Britt

LSX WATCHES/WARNINGS/ADVISORIES. MO . None. IL . None.

WFO LSX


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Rolla / Vichy, Rolla National Airport, MO19 mi59 minWSW 610.00 miFair74°F60°F62%1015 hPa

Link to 5 minute data for KVIH

Wind History from VIH (wind in knots)
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1 day agoS12SW11
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2 days agoNW7--NW8W7
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Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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GEOS Local Image of    EDIT
NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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