Sunday, January19, 2020
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Marine Weather and Tides
Gadsden, 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 6:46AMSunset 5:02PM Sunday January 19, 2020 3:50 AM CST (09:50 UTC) Moonrise 2:53AMMoonset 1:49PM Illumination 33% Phase: Waning Crescent; Moon at 24 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 Gadsden, AL
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location: 34.02, -85.99     debug


Area Discussion for - Birmingham, AL
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FXUS64 KBMX 190822 AFDBMX

Area Forecast Discussion National Weather Service Birmingham AL 222 AM CST Sun Jan 19 2020

SHORT TERM. /Updated at 0221 AM CST Sun Jan 19 2020/

Through Tonight.

The first cold front has cleared the area, with a second cold front now between I-59 and I-85. Light scattered showers continue between the 2 cold fronts, but will exit by sunrise. Went with a dry forecast after 6 am due to this. Clouds will remain tough through the morning across the south and then begin to clear as winds increase and usher in the cold air. Highs will only be in the 40s to low 50s. Overall clear skies tonight. We will need need to monitor the possibility some low clouds in the far north overnight, but confidence is not that high to include at this point due to the overall dry environment that will be in place with the high pressure system. Overnight lows will be in the 20s. With some possible upper teens in the far north and locally colder spots.

16

LONG TERM. /Updated at 0152 AM CST Sun Jan 19 2020/ Monday through Saturday.

Amplified pattern remains in place Monday and Tuesday with a trough over the eastern CONUS, a ridge moving from the Rockies to the Plains, and another trough coming onshore over the Pacific Northwest. At the surface a 1040+ mb high will slide southeastward from the Northern Plains to the Ohio Valley. This will maintain cold air advection across Central Alabama with 925mb temps ranging from -4C to -7C and 850 mb temps ranging from 0C to -10C. Thus high temperatures will range from the upper 30s to mid 40s on Monday and the low to mid 40s on Tuesday. Lows will drop well into the 20s Monday night, but winds from an enhanced pressure gradient will keep temperatures from fully bottoming out. In addition, a potent shortwave trough/PV anomaly in the north- northwest flow aloft will move quickly through the area late Monday night. This will bring a patch of mid-level cloudiness that will partially limit the drop in temperatures, though the duration of clouds will be relatively short limiting this effect. Best lift with this shortwave will be above both the moist layer and DGZ, and low-levels will be fairly dry, but some guidance does indicate the potential for some weak lift and brief saturation in the DGZ across the northern half of the area, centered around 3AM Tuesday morning. It doesn't take much to get light flurries in these cold air masses, so kept in a slight chance mention of flurries during the late night hours. But, no impacts are expected as any flurries will be very light, and most will probably sleep right through it.

After another cold night Tuesday night with better radiational cooling conditions, the cold air outbreak will begin to come to an end as downsloping southwest winds from the northern Plains to the Midwest cut off the cold air source, ridging aloft moves eastward, and the surface high shifts to the East Coast, shifting winds over to the ESE. The next trough approaches the area Thursday, with a closed upper low and surface low developing northwest of the area by Friday. Guidance consensus is trending a bit quicker with precipitation moving through during the Thursday night to Friday timeframe, with some wraparound moisture potentially lingering into Saturday morning. Moisture return will be limited, with dew points only making it into the 50s, so at this time just showers are expected.

32/Davis

AVIATION. 06Z TAF Discussion.

Light to moderate rain showers continue at this hour across the southeast half of Alabama ahead of a cold front. This front has just passed over EET, is over ASN, and will continue southeast through ANB, MGM, and TOI over the next hour or two. MVFR and some lower conditions will prevail until a slight lag after the passage. Restrictions will mainly be due to cigs, but some lower visibilities will occur with any heavier showers. Behind the front, look for breezy northwest winds with some gusts. Cigs may linger until 10/11z near MGM/TOI, but any that are not already VFR should go VFR closer to 8z elsewhere. Skies should begin clearing near daybreak 11-12z in the northwest counties, and all should be clear by midday 17-18z as clouds exit to the southeast and drier air moves in behind the front. Winds stay up some during Sunday evening as surface pressure gradients remain somewhat tight, but gusts should not be as high and slowly end after sunset.

08

FIRE WEATHER.

Showers will exit the area early this morning. A change in the weather pattern is expected today through the middle of next week with cooler and drier conditions. Relative humidity values will fall into the 30s each afternoon with northerly winds, but red flag criteria will not be met for these parameters. Additionally, KBDI values remain less than 100 due to recent wet conditions.

PRELIMINARY POINT TEMPS/POPS. Gadsden 43 21 38 22 41 / 0 0 0 10 0 Anniston 44 22 40 22 43 / 0 0 0 10 10 Birmingham 45 23 39 23 42 / 0 0 0 10 0 Tuscaloosa 48 25 42 24 44 / 0 0 0 10 0 Calera 47 24 40 23 43 / 0 0 0 10 0 Auburn 48 26 42 24 44 / 0 0 0 10 10 Montgomery 51 27 45 26 46 / 0 0 0 0 0 Troy 51 27 45 25 45 / 0 0 0 0 0

BMX WATCHES/WARNINGS/ADVISORIES/. None.




Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Gadsden, Gadsden Municipal Airport, AL6 mi54 minNNW 11 G 1610.00 miFair43°F28°F56%1023 hPa
Albertville, Albertville Municipal Airport, AL20 mi75 minN 810.00 miFair41°F24°F53%1022.3 hPa

Link to 5 minute data for KGAD

Wind History from GAD (wind in knots)
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Last 24hrSE10SE8SE7SE6SE74E4S7
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4SW5SW3SW3S5SW4SW6SW6CalmCalmW34NW5NW12NW6NW11
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1 day agoNE8NE10NE8NE7NE9NE9NE12E11NE9NE10NE8NE7NE9NE5E10E9
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2 days agoN3NW9N9N9N10N13N13N14N14N15N13N7N13N8N10N9N10N9N9N8NE7N6NE6NE10

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 (4,6,7,8)
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Ground Weather Radar Station Northern Alabama
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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.