Sunday, August20, 2017 L-36.com


Marine Weather and Tides
Bay Minette, AL

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 6:21AMSunset 7:29PM Sunday August 20, 2017 7:56 PM CDT (00:56 UTC) Moonrise 5:02AMMoonset 6:50PM Illumination 2% Phase: Waning Crescent; Moon at 28 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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GMZ630 Northern Mobile Bay- 356 Pm Cdt Sun Aug 20 2017
Tonight..South winds 8 to 13 knots becoming northwest 3 to 8 knots. A light chop becoming smooth. Slight chance of showers and Thunderstorms in the evening.
Monday..North winds 3 to 8 knots becoming southeast 8 to 13 knots. Smooth to a light chop becoming a light chop. Slight chance of showers and Thunderstorms in the morning, then chance of showers and Thunderstorms in the afternoon.
Monday night..Southeast winds 8 to 13 knots becoming east 3 to 8 knots. A light chop becoming smooth. Chance of showers and Thunderstorms in the evening, then slight chance of showers and Thunderstorms after midnight.
Tuesday..Northeast winds 3 to 8 knots becoming south 8 to 13 knots. Smooth becoming smooth to a light chop. Chance of showers and Thunderstorms.
Tuesday night..Southwest winds 8 to 13 knots becoming light. Smooth to a light chop becoming smooth. Slight chance of showers and Thunderstorms.
Wednesday..West winds 3 to 8 knots becoming south 5 to 10 knots. Smooth becoming smooth to a light chop. Chance of showers and Thunderstorms.
Wednesday night..West winds 3 to 8 knots. Smooth to a light chop. Chance of showers and Thunderstorms.
Thursday..East winds 3 to 8 knots. Smooth. Chance of showers and Thunderstorms.
Thursday night..Northwest winds 3 to 8 knots. Smooth. Chance of showers and Thunderstorms.
Friday..East winds 3 to 8 knots. Smooth. Chance of showers and Thunderstorms.
Friday night..Southwest winds 3 to 8 knots. Smooth to a light chop. Slight chance of showers and Thunderstorms.
GMZ600 Synopsis For Destin Fl To Pascagoula Ms Out 60 Nm Including Mobile Bay- 356 Pm Cdt Sun Aug 20 2017
Synopsis..Surface high pressure builds in from the east through the early to middle part of the week, resulting in a diurnal pattern for winds dictated by the land breeze and sea breeze. A weak front is expected to stall near or north of the marine area late in the week, which will maintain a light and variable flow. Little change in seas is expected.

7 Day Forecast for Marine Location Near Bay Minette, AL
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location: 30.98, -87.87     debug


Area Discussion for - Mobile/Pensacola, FL
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Fxus64 kmob 210038
afdmob
area forecast discussion
national weather service mobile al
738 pm cdt Sun aug 20 2017

Discussion Updated for latest aviation discussion below.

Aviation
00z issuance...VFR conditions are expected through the forecast
period. Increasing moisture over the area should result in a
little better coverage of shra tsra over the region by early to
mid Monday afternoon. Calm to light variable winds are expected
overnight into early Monday morning, becoming light southeast to
south by Monday afternoon. 21

Prev discussion issued 405 pm cdt Sun aug 20 2017
near term now through Monday ... Only expect isolated showers
and storms over the western half of the area through the rest of
the afternoon as drier deep layer air has allowed dewpoints to mix
out in the upper 60s to around 70 east of i-65. Any convection
that develops should quickly diminish this evening with a dry
night expected. Moisture will gradually begin to increase from
southeast to northwest as the tutt (tropical upper tropospheric
trough) over the central gulf gradually moves westward. Obviously,
there is a lot of interest in the cloud forecast for Monday with
the eclipse. Given the expected increase in moisture, we are
likely to see a mix of high level clouds with increasing cumulus
development beginning late in the morning and continuing through
the afternoon, especially across the southern half of the area.

This will result in periods of mostly cloudy skies. In addition,
we will see isolated to scattered convection develop through the
course of the day, with the best coverage likely to be in the mid
to late afternoon hours across coastal areas due to the seabreeze
aiding in pooling moisture and increasing mlcapes to 1500-2500
j kg. Therefore, areas north of hwy 84 likely have the best
opportunity of seeing the least interruption of eclipse viewing
with passing clouds, with the southern half of the area having to
deal with a greater coverage of clouds.

Lows tonight will once again be in the low to mid 70s with upper 70s
to near 80 at the beaches. Highs tomorrow will top out in the low to
mid 90s. Interestingly, we will likely see temperatures drop a few
degrees early in the afternoon due to the loss of incoming solar
radiation during the eclipse. 34 jfb
short term Monday night through Wednesday night ... The primary
driver of weather to start the short term will be the
aforementioned tutt, which to start the period will be located
over the western gulf. As we head into midweek, a broad upper
trough digs southeast from central canada into the eastern conus.

Shower and thunderstorm coverage begins to increase again over
the local area as the tutt remnants merge with the base of this
trough and act on the deepening moisture pool and summertime
instability beneath. Meanwhile, a weak front associated with the
deepening eastern CONUS trough approaches the area from the north
Wednesday night, with enhanced convective activity occurring along
and ahead of it as well. This front will serve as the focus for
weather to start the long term. In terms of temperature, expect
highs to continue running in the low to mid 90's each afternoon,
and lows in the low to mid 70's inland to upper 70's along the
coast each night. 49
long term Thursday through Sunday ... The upper trough begins to
lift off to the northeast heading into the latter half of the
week, stalling a weak front somewhere across or just north of the
local area in its wake. South of this front, a hot and humid
summertime airmass characterized by pwats around 2.0 inches will
persist. Thus, expect wet weather to continue across much of our
area (especially closer to the coast) through the end of the week
as a series of shortwaves embedded within the upper-level flow
act on this summertime airmass. At this time, have opted to
maintain chance pops over much of the area Thursday and Friday,
though the areas that see the most rain will depend largely on how
far south the front pushes, as the airmass behind it will be quite
a bit drier and less supportive of convection. Regardless, it
appears the front washes out before we get into the weekend and
surface trough sets up over the eastern seaboard, extending down
into the southeast u.S. And maintaining moist southeast flow and
a wet pattern through the weekend.

As for temps, highs continue to run in the low 90's across the
area each afternoon, and lows range from upper 60's to low 70's
north of the front to mid to upper 70's south of the front. 49
marine... Surface high pressure will build in from the east through
the early to middle part of the week. This pattern will result in a
a diurnal pattern for winds, offshore in the late night early
morning and onshore during the afternoon early evening. A weak front
is expected to stall near or north of the marine area late in the
week, maintaining a light and variable flow. Little change in seas
is expected. 34 jfb

Mob watches warnings advisories
Al... None.

Fl... None.

Ms... None.

Gm... None.

This product is also available on the web at:
http: weather.Gov mob


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
OBLA1 - 8737048 - Mobile State Docks, AL 21 mi38 min 87°F 88°F1016.7 hPa
MHPA1 - Meaher Park, AL 22 mi26 min S 7 87°F 1016.6 hPa
PTOA1 23 mi38 min 87°F 80°F
MCGA1 - 8736897 - Coast Guard Sector Mobile, AL 25 mi38 min SSW 2.9 G 6 86°F 85°F1017.4 hPa
MBLA1 - Middle Bay Light, AL 38 mi56 min S 8.9 87°F 1016.6 hPa (+0.7)
WKXA1 - Weeks Bay Reserve, AL 39 mi71 min 88°F 77°F
WBYA1 39 mi38 min 88°F
CRTA1 - Cedar Point, AL 49 mi56 min S 8 88°F 1016.6 hPa (+0.3)

Wind History for Coast Guard Sector Mobile, AL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Mobile, Mobile Downtown Airport, AL26 mi63 minS 310.00 miFair88°F80°F77%1016.6 hPa

Wind History from BFM (wind in knots)
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Last 24hrW4W4N3N6NW3CalmN6N3NW5NW3CalmCalmN4N5NE4NE5NE4NE4SE43E3S7S6S3
1 day agoSE4SW3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmN4N5NE4E5E7NE7E43NW12
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2 days agoSW3SW4W3S3CalmCalmW3W4W4W4W5W5W6NW8NW5NW9NW7NW9NW43S85CalmCalm

Tide / Current Tables for Lower Bryant Landing, Tensay River, Alabama
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Lower Bryant Landing
Click for Map
Sun -- 12:18 AM CDT     -0.30 feet Low Tide
Sun -- 05:02 AM CDT     Moonrise
Sun -- 06:20 AM CDT     Sunrise
Sun -- 01:35 PM CDT     1.79 feet High Tide
Sun -- 06:50 PM CDT     Moonset
Sun -- 07:28 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.3-0.3-0.20.10.30.60.811.21.31.51.61.71.81.81.81.71.51.310.70.40.1-0.1

Tide / Current Tables for Lower Hall Landing, Tensaw River, Alabama
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Lower Hall Landing
Click for Map
Sun -- 01:44 AM CDT     -0.01 feet Low Tide
Sun -- 05:02 AM CDT     Moonrise
Sun -- 06:21 AM CDT     Sunrise
Sun -- 02:25 PM CDT     1.66 feet High Tide
Sun -- 06:49 PM CDT     Moonset
Sun -- 07:28 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.10-00.10.20.40.60.70.811.11.31.51.61.71.71.61.51.31.210.70.60.4

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Southeast    EDIT
Geos

Wind Forecast for Mobile/Pensacola, FL (20,4,5,8)
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Ground Weather Radar Station Mobile, AL
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weather_mapweather_map weather_map

Gulf Stream Current


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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 numerious 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.