Monday, July13, 2020
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Marine Weather and Tides
Pell City, AL

Version 3.4
NOTICE
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 5:43AMSunset 7:57PM Monday July 13, 2020 5:13 AM CDT (10:13 UTC) Moonrise 12:43AMMoonset 1:36PM Illumination 45% Phase: Third Quarter Moon; Moon at 23 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 130858 AFDBMX

Area Forecast Discussion National Weather Service Birmingham AL 358 AM CDT Mon Jul 13 2020

SHORT TERM. /Updated at 0355 AM CDT Mon Jul 13 2020/

Through Tuesday.

Plenty of low level moisture and ground moisture around this morning, resulting in low clouds and patchy to areas of fog. Went ahead and issued a dense fog advisory through 8 am to account for this. There are some issued with the fog/low clouds. First there is still some surface winds that continues to attribute to the length of the thickest fog. Thinking though that these surface winds will diminish a little bit more through sunrise, thus fog will become more widespread. At the same time low stratus is building into the area and has been reported as low as 100 feet outside of the fog development. So elevated areas above 100 to 200 feet are also socked in. The stratus and fog should dissipate after 8 am, with plenty of sun around through the day. Precipitation should be limited today even with a trough working through. Look for any appreciable rainfall to be limited to the south and southwest, where only isolated showers/storms can be anticipated. Look for highs to be in the low 90s today.

Clouds/fog will not be as abundant tonight, but can't rule out some patchy instances. Will not include in the forecast right now though. Look for generally fair skies with lows in the 60s/70s. Another fair weather day on Tuesday as high pressure really takes hold of the region. Again any rain chances will limited to the southern counties during the afternoon. Otherwise hot with readings in the low to mid 90s.

16

LONG TERM. /Updated at 0355 AM CDT Mon Jul 13 2020/

Tuesday evening and Wednesday.

A trough will begin to depart the East Coast by Tuesday evening with a shortwave ridge developing just to its west across the Great Lakes region. Another longwave trough and upper-level low will scoot across the US/Canada border thereafter. For the Southeast and Southern CONUS, an elongated subtropical ridge will continue to build with tropical moisture stretching up the Mississippi River Valley by Wednesday as a shortwave traverses the Upper Midwest. Drier air is progged to stretch across the Appalachian Mountains, and down into our area, as the shortwave ridge moves east. As a result, I focused PoPs for the south, southwest, and far western counties where better moisture quality and instability are likely Wed afternoon, but only on the order of 20-30%. Otherwise, the strengthening ridge and generally sunny skies Wed afternoon are pointing toward the beginning of a period of hot afternoon temperatures - highs are forecast to climb into the mid to upper 90s Wed. Heat, and areas of higher dewpoints (on the order of 70-72 degrees), will lead to heat indices approaching or exceeding advisory criteria. This will become the more impactful weather element into long-term forecast period.

Thursday through Sunday.

There aren't many distinguishable synoptic or mesoscale features evident in guidance that would provide any additional rain chances or threats of severe weather later this week. Overall, the broad subtropical ridge is progged to strengthen and encompass much of the CONUS amidst weak zonal flow. By Thursday, better moisture spreads east and north and more area-wide diurnal rain chances are expected. I've trended warm with temperatures, though down a tad with time as moisture increases as this would raise rain chances a bit, and cloud cover as well. Overall, low to upper 90s are forecast Thursday through at least Saturday outside of areas receiving showers/storms during the afternoon. PoPs were generally kept at 30-50% for the afternoon, favoring higher PWs, and gradually diminishing in the evening as expected. HWO mentioning of excessive heat will extend through Sunday as at least parts of Central AL are at a risk for Heat Advisory criteria for the next several days.

40/Sizemore

AVIATION. 06Z TAF Discussion.

Low stratus deck and lower visibilities are beginning to develop and slide into the area. Ceilings will quickly drop at spots to IFR within the next few hours and then hang out there until 14/15z. TOI may be the last to to drop as some thicker cirrus clouds are in place there. Little in clouds and shower activity later this afternoon and did not mention anything other than winds just under 10kts.

16

FIRE WEATHER.

Drier air is expected to move across the region today, which will reduce rain chances overall. Only isolated coverage is forecast across the south as a result. Minimum RH values should still remain above 40-50% with north to northwesterly winds at 5-10 mph. By Tuesday and Wednesday, more heat builds across the area as a subtropical ridge strengthens. Minimum RH values drop a bit to 35-45%. Excessive heat conditions are possible these afternoons as heat indices reach or exceed 105 degrees in some areas.

PRELIMINARY POINT TEMPS/POPS. Gadsden 90 68 94 69 96 / 10 0 0 0 10 Anniston 90 69 94 70 96 / 10 0 0 0 10 Birmingham 92 71 94 73 98 / 10 0 0 0 10 Tuscaloosa 93 71 95 73 99 / 10 0 10 0 20 Calera 92 70 94 71 97 / 10 0 10 0 10 Auburn 91 71 94 72 94 / 10 0 10 0 20 Montgomery 93 73 96 73 97 / 20 0 10 10 20 Troy 93 73 95 73 96 / 20 10 20 10 40

BMX WATCHES/WARNINGS/ADVISORIES/. Dense Fog Advisory until 8 AM CDT this morning for the following counties: Autauga . Bibb . Blount . Calhoun . Cherokee . Chilton . Clay . Cleburne . Coosa . Dallas . Elmore . Etowah . Fayette . Greene . Hale . Jefferson . Lamar . Marengo . Marion . Perry . Pickens . Randolph . Shelby . St Clair. Sumter . Talladega . Tallapoosa . Tuscaloosa . Walker . Winston.




Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Anniston Metro Airport, AL23 mi80 minSW 40.50 miFog68°F68°F100%1011.5 hPa

Link to 5 minute data for KANB

Wind History from ANB (wind in knots)
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Last 24hrCalmCalmCalmSW3SE4Calm4E5N21
G32
N3E6N3W5W6SE3CalmCalmCalmSW3SW4W3SW4SW4SW5
1 day agoCalmCalmCalmNW6N9N9NW9NW7
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NW83--4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
2 days agoCalmW3W3W6SW6W6W6SW9W7W8W7
G14
W10W7W5W6SW4CalmSW54SW4N7N6CalmCalm

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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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

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Birmingham, AL (6,6,7,8)
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Ground Weather Radar Station Birmingham, AL
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Disclaimer:
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.