Wednesday, March29, 2017 L-36.com


Marine Weather and Tides
Yellow Bluff, AL

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:37AMSunset 7:07PM Wednesday March 29, 2017 6:12 AM CDT (11:12 UTC) Moonrise 7:56AMMoonset 9:04PM Illumination 4% Phase: Waxing Crescent; Moon at 2 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- 502 Am Cdt Wed Mar 29 2017
Today..Southeast winds 8 to 13 knots becoming south 10 to 15 knots. A light chop becoming a moderate chop.
Tonight..Southeast winds 10 to 15 knots becoming south 8 to 13 knots. A moderate chop becoming a light chop.
Thursday..South winds 8 to 13 knots increasing to 15 to 20 knots. A light chop becoming choppy to rough. Chance of showers and Thunderstorms in the morning, then showers and Thunderstorms likely in the afternoon.
Thursday night..South winds 13 to 18 knots becoming west 10 to 15 knots. Choppy becoming a moderate chop. Showers and Thunderstorms.
Friday..West winds 10 to 15 knots diminishing to 8 to 13 knots. A moderate chop becoming a light chop.
Friday night..West winds 8 to 13 knots becoming north 5 to 10 knots. A light chop becoming smooth to a light chop.
Saturday..East winds 8 to 13 knots. Smooth to a light chop.
Saturday night..Southeast winds 5 to 10 knots. Smooth to a light chop.
Sunday..Southeast winds 10 to 15 knots. A moderate chop. Slight chance of showers and Thunderstorms.
Sunday night..Southeast winds 13 to 18 knots. Choppy. Chance of showers and Thunderstorms.
GMZ600 Synopsis For Destin Fl To Pascagoula Ms Out 60 Nm Including Mobile Bay- 502 Am Cdt Wed Mar 29 2017
Synopsis..Southerly winds and seas will begin to build late today and continue through Thursday evening ahead of a developing area of low pressure and surface cold front approaching from the west. Showers and Thunderstorms are expected with this pattern with the best coverage occurring Thursday evening and late Thursday night. A few strong to severe Thunderstorms will be possible...mostly Thursday evening and late Thursday night. A light to moderate west to northwest flow is expected in the wake of the front on Friday.

7 Day Forecast for Marine Location Near Yellow Bluff, AL
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location: 31.95, -87.43     debug


Area Discussion for - Mobile/Pensacola, FL
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Fxus64 kmob 291031
afdmob
area forecast discussion
national weather service mobile al
531 am cdt Wed mar 29 2017

Near term /now through Wednesday night/ Mid to upper ridge axis
near the al/ga border stretching south over the eastern gulf will
shift east over the western atlantic through 12z Thu in response
to deep area of low pressure tracking eastward over the middle
part of the country. At the surface high pressure generally over
the eastern gulf and SE CONUS will shift east to the eastern
seaboard and western atlantic late today and tonight as main area
of low pressure to the northwest approaches the mississippi river
valley from the west. With this pattern expect areas of fog and
low stratus early this morning especially over eastern sections of
the forecast areas north of the coast eroding by mid morning as
better mixing develops in the boundary layer. For later this
morning skies will become partly to mostly sunny through this
afternoon followed by increasing clouds from the west by early
this evening spreading east over much of the forecast area by 12z
thu. As the area of low pressure begins to interact better with
the ridge to the east surface winds will begin to slowly build and
remain up for most areas through tonight limiting the coverage of
fog by early Thu morning.

As for temps, due to more Sun than clouds and continued
subsidence in the boundary layer... Especially along and east of
the i-65 corridor through early this afternoon... Will continue to
lean towards the warmer MOS numbers through this afternoon. Highs
today will climb to the mid 80s for most inland areas to the north
and northwest of kmob and the mid to upper 80s to the northeast.

With mostly cloudy skies tonight will continue to lean towards the
warmer MOS guidance leading to lows in the lower to middle 60s to
the north and west of kmob including areas along the coast and
the upper 50s to lower 60s to the east and northeast. 32/ee

Short term /Thursday through Friday night/ Still looking for a
potential severe weather event for Thursday and Thursday night as
a strong storm system approaching the region from the west moves
across the area. Latest GFS has come into better agreement with
the ECMWF with regard to both timing and intensity of the system
since yesterday at this time. Both indicate an approximate 550mb
50h low initially sitting over eastern kansas at 12z Thursday
moving east to southern illinois/indiana by 12z Friday then
weakening and moving to the mid atlantic coast by late Friday
night. Associated upper trof initially extending south-southwest
across oklahoma and through central texas early Thursday morning
moves east toward our forecast area on Thursday afternoon then
east across the area Thursday evening, with shortwave energy
producing a slightly negative tilt to the trof by Thursday
evening.

Gfs is still slightly stronger with this system than ecmwf. Both
indicate two shortwave energy maxima, one passing well to the
northwest of the forecast area, and another along the coast and
offshore over the northern gulf of mexico. With this, could see
two maxima of convective activity with the passage of the system...

one up to the northwest of our forecast area and another over the
gulf just to the south, with timing of greatest activity over our
area being Thursday afternoon and evening. While modest severe
weather parameters are still forecast by models to be in place
over the region for a period of time from late morning to mid
afternoon (850mb flow generally around 30 to 35 knots, afternoon
mlcape up to around 1500-1600 j/kg, mid level lapse rate in the
6.5-7.5 c/km range and sfc-3km storm relative helicity 150-near
200 m2/s2), there is still uncertainty as a thunderstorm complex
over the gulf could cut off moisture inflow over areas just inland
from the coast and could therefore limit the severe threat over
our area. We will have to see this pans out, and monitor the next
several model runs. At this time, we are in agreement with the
storm prediction center's slight risk of severe weather over the
western 2/3rds of the forecast area (along and west of a general
greenville al to gulf shores al line) with a marginal risk for
points east. All modes of severe weather (damaging winds, large
hail and isolated tornadoes) possible. A greater risk of severe
weather is anticipated west and north of our forecast area over
central and northern portions of mississippi and alabama where
atmospheric dynamics will be stronger.

A surface low pressure area is expected to be over eastern
kansas Thursday morning also moving eastward, reaching the mid
atlantic states by late Friday night as well. Associated cold
front approaching the region from the west Thursday evening will
sweep east of the forecast area shortly after midnight with storms
and associated severe threat ending during the early predawn hours
Friday.

A deep southerly wind flow ahead of the system will continue to
advect increasing moisture northward into the region, with
precipitable water values climbing to around 1.65 inches Thursday
afternoon, especially across southern half of the forecast area.

With this storms should be efficient rainfall producers and
locally heavy rainfall is possible Thursday. Widespread 1 to 2
inches likely, especially over southern half of forecast area,
with locally higher amounts possible.

Temperatures remain above normal through the period. Daytime highs
in the upper 70s to lower 80s. Nighttime lows in the upper 50s and
lower 60s Thursday night and in the low to mid 50s Friday night.

12/ds

Long term /Saturday through Tuesday/ Dry period expected over
much of the weekend as an upper ridge and surface high pressure
dominate the southeast states. Precipitation chances will increase
once again starting late Sunday as yet another upper level trough
develops to our west and advances east over the southern plains,
with scattered to numerous showers and thunderstorms forecast for
Sunday night through Monday night. At this time it appears there
could again be some strong to possibly severe thunderstorms
associated with this system, along with heavy rainfall. Above
normal temperatures will continue through the long term, but
closer to normal Monday with the more widespread rains expected.

12/ds

Marine A light to moderate southerly wind flow will continue over
the marine area through this morning then begin to build this
afternoon and continue through Thu evening ahead of a deep area of
low pressure and surface cold front moving eastward over the middle
and lower part of the country this morning and overnight. Southerly
winds at 15 to 20 knots can be expected by midday Thu continuing
through Thu evening then shifting west to northwest diminishing to
10 to 15 knots late Thu night continuing through Fri afternoon as
the upper system and surface cold front track east of the forecast
area by early Fri morning. With this pattern expect scattered to
numerous showers and thunderstorms to approach from the west late
thu afternoon and Thu evening moving east of the marine area by
early Fri morning. A few strong to severe thunderstorms will be
possible with this pattern especially by Thu evening. Small craft
should exercise caution Thu afternoon and Thu evening. Southerly
winds redevelop over the weekend building by early next week as
another upper system approaches from the west. 32/ee

Preliminary point temps/pops
Mobile 84 66 79 60 / 0 0 60 80
pensacola 79 65 77 63 / 0 0 40 80
destin 78 64 75 66 / 0 0 30 80
evergreen 86 59 81 60 / 0 0 50 80
waynesboro 85 63 79 56 / 0 10 60 70
camden 87 59 82 59 / 0 0 60 80
crestview 87 58 80 61 / 0 0 30 80

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 92 mi43 min 68°F 68°F1014 hPa
MHPA1 - Meaher Park, AL 93 mi43 min E 2.9 67°F 1014.2 hPa
MCGA1 - 8736897 - Coast Guard Sector Mobile, AL 96 mi43 min SE 6 G 8 69°F 73°F1014.6 hPa

Wind History for Coast Guard Sector Mobile, AL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Evergreen, Middleton Field, AL42 mi20 minN 04.00 miFog/Mist66°F64°F93%1015.1 hPa

Wind History from GZH (wind in knots)
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Last 24hrSW4SW4SW5SW8W753SW645W6SW3S6S6S6S6S6S4S6S5SW4S3CalmCalm
1 day agoCalmCalmS4S7S7S9
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2 days agoS6S4S5SE6SE7SE7SW6
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Tide / Current Tables for Lower Bryant Landing, Tensay River, Alabama
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Lower Bryant Landing
Click for Map
Wed -- 06:43 AM CDT     Sunrise
Wed -- 07:35 AM CDT     1.17 feet High Tide
Wed -- 07:58 AM CDT     Moonrise
Wed -- 11:40 AM CDT     0.90 feet Low Tide
Wed -- 04:54 PM CDT     1.24 feet High Tide
Wed -- 07:09 PM CDT     Sunset
Wed -- 09:04 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.30.40.60.70.911.11.21.21.110.90.911.11.21.21.21.21.110.80.50.3

Tide / Current Tables for Lower Hall Landing, Tensaw River, Alabama
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Lower Hall Landing
Click for Map
Wed -- 01:06 AM CDT     0.47 feet Low Tide
Wed -- 06:43 AM CDT     Sunrise
Wed -- 07:26 AM CDT     0.70 feet High Tide
Wed -- 07:58 AM CDT     Moonrise
Wed -- 11:27 AM CDT     0.65 feet Low Tide
Wed -- 05:09 PM CDT     1.03 feet High Tide
Wed -- 07:09 PM CDT     Sunset
Wed -- 09:04 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.50.50.50.50.60.60.70.70.70.70.70.60.70.70.80.911110.90.80.70.5

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 (7,2,3,4)
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Ground Weather Radar Station East Alabama
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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.