Friday, January22, 2021
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Marine Weather and Tides
Pell City, AL

Version 3.4
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8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:44AMSunset 5:07PM Friday January 22, 2021 8:52 AM CST (14:52 UTC) Moonrise 1:18PMMoonset 2:22AM Illumination 68% Phase: Waxing Gibbous; Moon at 9 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 Pell City, AL
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location: 33.61, -86.29     debug


Area Discussion for - Birmingham, AL
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FXUS64 KBMX 221126 AFDBMX

Area Forecast Discussion National Weather Service Birmingham AL 526 AM CST Fri Jan 22 2021

UPDATE. For 12Z Aviation.

SHORT TERM. /Updated at 0344 AM CST Fri Jan 22 2021/

Today and Tomorrow.

A stalled front stretches east to west near the northern Gulf coast this morning, caught within zonal flow aloft. A impulse within this flow coupled with weak low level convergence is helping to produce widespread light rainfall this morning, north of the front. Rainfall will slide to the east and south, ending as an second front (currently over the Ohio River Valley) quickly pushes toward the Gulf Coast. Will see drying along I-20 around mid day and will remove all rain chances after 00Z this evening. Depending on the strength of dry air advection and how quickly skies clear tonight, might have to add a mention of fog into the forecast. High pressure will spread across the region tonight and Saturday, with rain-free conditions and clearing skies.

Today, temperatures will be in the mid 50s to lower 60s. Cooler air advecting southward tonight will allow temperatures across the north to fall into the upper 20s to mid 30s. Further south, where clouds are more likely to hang on, mid 30s to lower 40s are expected. Slightly warmer temperatures are expected tomorrow, with mostly clear skies. Highs will be in the mid 50s to mid 60s.

14

LONG TERM. /Updated at 0344 AM CST Fri Jan 22 2021/

Saturday night through Thursday.

An old front stalled near the Gulf Coast will move northward as a warm front Saturday night and Sunday in advance of the next storm system, but the atmosphere may be too dry for any rain through Sunday morning. However, warm advection and isentropic lift are expected to strengthen Sunday afternoon in the 850-700mb layer. This will probably lead to shower development mainly across our north and west. This potential is bit uncertain due to the amount of deep- layer anticyclonic curvature and tendency for subsidence to somewhat offset the isentropic lift.

A shortwave is projected to track from the Texas Panhandle to Illinois on Monday with a warm sector spreading inland across the Deep South. The main area 500 mb vorticity with this system is expected to be compact and remain several hundred miles our northwest, while a subtropical ridge remains in place near Cuba. Parameters appear supportive of severe weather, but a lack of lift across the warm sector may significantly hinder this potential. This is supported by a lack of height falls, anticyclonic curvature at 500 mb, and the shortwave greatly displaced to the northwest. At this time, we will refrain from including severe storms from our forecast.

Showers with embedded thunder will move across the region Monday afternoon and evening as the weakening front loses momentum and eventually stalls to our south. Another shortwave should induce southerly flow on Wednesday leading to isentropic lift north of the warm front near the Gulf coast. Rain could become widespread across the region Wednesday and continue through early Thursday.

87/Grantham

AVIATION. 12Z TAF Discussion.

With the exception of TCL and MGM, all terminals carry VFR conditions to start the forecast period. At MGM, heavier rain has brought MVFR vis to the area. The back edge of light to moderate rainfall is now moving through TCL, and behind this activity, cigs fall to IFR. Looking at observations upstream, expect cigs to fall as more persistent rainfall ends from northwest to southeast today. Will lower cigs to MVFR and localized IFR today. Some improvement in cigs is expected this afternoon, and again this evening as skies begin to clear.

Winds will be variable for much of the area at all sites, with speeds less than 6kts.

FIRE WEATHER.

Widespread rain continues this morning, ending from north to south through this afternoon as a cold front moves through the region. Cigs start out low this morning, improving through the day. Light and variable winds this morning, become northerly up to 6-7mph this afternoon, and easterly on Saturday. Saturday will be drier with min RHs dropping to the mid 30% range across much of the area. Our next chance for rain builds in Sunday into Monday.

PRELIMINARY POINT TEMPS/POPS. Gadsden 56 30 55 37 56 / 30 0 0 10 50 Anniston 57 32 58 39 58 / 50 0 0 10 40 Birmingham 56 34 56 42 58 / 40 0 0 10 50 Tuscaloosa 55 34 58 42 61 / 60 0 0 10 50 Calera 54 35 56 42 59 / 80 0 0 10 40 Auburn 56 37 59 42 56 / 90 0 0 10 30 Montgomery 59 39 61 45 63 / 90 0 0 10 30 Troy 61 43 63 47 63 / 100 10 0 10 20

BMX WATCHES/WARNINGS/ADVISORIES/. None.




Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Anniston Metro Airport, AL23 mi59 minENE 310.00 miMostly Cloudy48°F45°F89%1016 hPa

Link to 5 minute data for KANB

Wind History from ANB (wind in knots)
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Last 24hrW7W5W8W7W6W6W6W6W4W4NW3N8N5NE4N5CalmN3CalmNE3NE4E3N6NE3NE3
1 day agoNW7N3NW44W9W6W7W8W3CalmCalmCalmW3SW3CalmSW4SW4W3CalmCalmW3W6W5W6
2 days agoCalmSW4W9W6W6SW8SW6W6CalmCalmSW3CalmW4SW11SW6SW7W6SW3SW6W54SW3CalmW3

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: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

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Ground Weather Radar Station




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The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.