Tuesday, August22, 2017 L-36.com


Marine Weather and Tides
Red Level, 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 6:16AMSunset 7:21PM Tuesday August 22, 2017 10:01 AM CDT (15:01 UTC) Moonrise 7:05AMMoonset 8:11PM Illumination 0% Phase: New Moon; Moon at 0 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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GMZ655 Coastal Waters From Pensacola Fl To Pascagoula Ms Out 20 Nm- Coastal Waters From Destin To Pensacola Fl Out 20 Nm- 435 Am Cdt Tue Aug 22 2017
Today..East winds 8 to 13 knots becoming south 3 to 8 knots. Seas around 2 feet. Scattered showers and Thunderstorms.
Tonight..Southwest winds 3 to 8 knots becoming northwest. Seas around 2 feet. Slight chance of showers and Thunderstorms.
Wednesday..North winds 3 to 8 knots becoming southwest 5 to 10 knots. Seas 1 foot or less. Chance of showers and Thunderstorms.
Wednesday night..West winds 8 to 13 knots becoming northwest 3 to 8 knots. Seas 1 foot or less. Chance of showers and Thunderstorms.
Thursday..North winds 3 to 8 knots becoming south 5 to 10 knots. Seas 1 foot or less. Chance of showers and Thunderstorms.
Thursday night..Northwest winds 5 to 10 knots becoming north 3 to 8 knots. Seas 1 foot or less. Slight chance of showers and Thunderstorms.
Friday..East winds 3 to 8 knots. Seas around 2 feet. Slight chance of showers and Thunderstorms.
Friday night..West winds 3 to 8 knots. Seas around 2 feet. Slight chance of showers and Thunderstorms.
Saturday..East winds 8 to 13 knots. Seas around 2 feet. Chance of showers and Thunderstorms.
Saturday night..East winds 8 to 13 knots. Seas 2 to 3 feet. Chance of showers and Thunderstorms.
GMZ600 Synopsis For Destin Fl To Pascagoula Ms Out 60 Nm Including Mobile Bay- 435 Am Cdt Tue Aug 22 2017
Synopsis..Weak high pressure looks to hold in place over the coastal waters through Wednesday. Following, a weak frontal boundary is forecast to settle southward to the gulf coast Wednesday night into Thursday, resulting in a brief period of light offshore flow. The front potentially stalls near or just off the coast Friday and Saturday. Meanwhile, the national hurricane center suggests a high probability that the remnants of harvey will regenerate into a tropical cyclone over the southwest gulf Wednesday or Thursday. This could lead to an increase in long period swell, propagating up across the coastal waters beginning late Thursday or into Friday.

7 Day Forecast for Marine Location Near Red Level, AL
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location: 31.33, -86.73     debug


Area Discussion for - Mobile/Pensacola, FL
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Fxus64 kmob 221136 aaa
afdmob
area forecast discussion... Updated
national weather service mobile al
636 am cdt Tue aug 22 2017

Discussion Updated for latest aviation discussion below.

Aviation
12z issuance... Development of isolated to scattered mid morning
into mid afternoon convection potentially lowers CIGS to MVFR
categories with vsby lowering briefly to ifr categories with the
passage of heavier rains with passage of stronger storms at
coastal terminals. Brief strong convective wind gusts will bring
hazards to approaches and departures. Coverage may increase north
of the coast thru the course of the day. Away from storms, winds
mostly light. A decrease in activity is forecast by evening with
mid to high based clouds being left. 10

Prev discussion issued 429 am cdt Tue aug 22 2017
near term now through Tuesday night ... Weather maps this morning
shows a mid-level ridge positioned from off the southeast us
coast, westward across texas. To the north of the high level
ridge, lowering geo-potential heights associated with a longwave
trof was advancing eastward over the upper mid-west. To the south
of the ridge, an upper tropospheric trough (tutt) has shifted west
and was positioned near 92 degrees west from central louisiana
out into the gulf. At the surface, high pressure extends from the
mid-atlantic to texas with patches of morning fog being observed
mainly north of the coast. Patchy fog is forecast to mix out by 9
am. An assessment of deep layer moisture from 22.00z shows
highest pwats (1.9 to 2.3 inches) aligned in a narrow band from
the southeast us coast to southern louisiana. With the forecast
area on the favored east side of the gulf tutt today where a
series of mid to upper level impulses will rotate from east
southeast to west northwest and operating on this deep layer
moisture, scattered to potentially numerous showers and storms are
progged to develop within an environment that becomes
increasingly unstable. Some of the storms likely to be strong at
times, capable of producing brief strong wind gusts, frequent
lightning, and efficient locally heavy rain producers. Today's
high temperatures look to range from the lower to mid 90s interior
to upper 80s lower 90s coast.

For tonight, the northern edge of the southern us mid level ridge
breaks down as heights begin to lower, associated with a digging
of the long wave trof into the new england states and appalachians.

This will allow a surface front to push southeast into the mid-
south by daybreak Wednesday. With the boundary being a focus for more
organized lift, remaining well north of the local area,
forecasters call for a diurnal decrease in shower and storm
coverage tonight as the environment stabilizes. Overnight lows
mostly in the mid 70s interior to mid to upper 70s coast. 10
short term Wednesday through Thursday night ... A longwave trof
over the eastern states weakens somewhat late in the period in
response to a tropical system expected to move across the
southwestern gulf Wednesday into Thursday. In the meantime, a weak
frontal boundary over the interior gulf coast states (associated
with a large surface low well to the north) moves into the
forecast area Wednesday afternoon. The weak front dips into the
northern gulf Wednesday night then returns into the forecast area
on Thursday. Precipitable water values remain near 2.0 inches
through the period, values which are about 125% of normal, while a
series of shortwaves move across the region. With the frontal
boundary moving into the area on Wednesday and returning from the
northern gulf on Thursday, expect primarily scattered showers and
storms to develop each day, except for somewhat better coverage
over the western portion on Wednesday where support from passing
shortwaves looks to be a bit stronger. The stronger storms that
develop each day will have gusty winds, frequent lightning and
heavy downpours. Highs each day will be mostly in the lower 90s
with heat indices reaching around 105 in some locations. Lows
Wednesday night range from the lower 70s inland to the mid 70s at
the coast, then trend cooler for Thursday night with upper 60s
well inland ranging to mid 70s at the coast. 29
long term Friday through Monday ... The forecast is highly
dependent during the period on the evolution and movement of the
system previously over the southwestern gulf on Thursday. At this
point, the system looks to continue northward and possibly into
texas, then is later absorbed into the upper trof pattern over the
eastern states. The weak frontal boundary which was over the
forecast area on Thursday loses definition on Friday, and in turn
have gone with low end chance pops for much of the area except for
slight chance well inland. The frontal boundary may become a bit
better defined Saturday into Sunday and be located either near the
coast or possibly over the marine area, while deep layer moisture
begins to increase somewhat. Low end chance pops continue for
Saturday then trend to good chance pops for Sunday and Monday as
deep layer moisture continues to increase. With the caveat that
there is a lot of uncertainty during the period, especially for
the Sunday into Monday timeframe, given that a frontal boundary is
in the area along with increasing deep layer moisture suggests a
potential for locally heavy rains late in the period, and even
possibly severe weather depending on how the pattern evolves over
the region. Will continue to monitor. 29
marine... Weak high pressure looks to hold in place over the coastal
waters thru Wednesday. Following, a weak frontal boundary
is forecast to settle southward to the gulf coast Wednesday night
into Thursday resulting in a brief period of light offshore flow.

The front potentially stalls near or just off the coast Friday and
Saturday. Meanwhile, the remnants of harvey are forecast to move
across the yucatan peninsula today and emerge over the bay of
campeche tonight where environmental conditions are expected to
become conducive for tropical cyclone development. The national
hurricane center suggests a high probability of tropical cyclone
development over the southwest gulf Wednesday or Thursday.

Considering this, an increase in long period swell is forecast to
begin propagating up across the coastal waters late Thursday and
into Friday. 10

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
PCLF1 - 8729840 - Pensacola, FL 69 mi50 min 83°F 88°F1019.5 hPa
MHPA1 - Meaher Park, AL 79 mi32 min NNE 1 85°F 1020 hPa
OBLA1 - 8737048 - Mobile State Docks, AL 82 mi50 min 85°F 86°F1019.2 hPa

Wind History for Pensacola, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Andalusia, Andalusia-Opp Municipal Airport, AL17 mi66 minVar 310.00 miFair84°F73°F70%1019.6 hPa
Evergreen, Middleton Field, AL18 mi69 minN 010.00 miFair81°F75°F82%1019.8 hPa

Wind History from 79J (wind in knots)
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Last 24hrNW44N3N4CalmSE4S43CalmW3CalmCalmSE3E3CalmSE3CalmCalmCalmCalmCalmCalmE33
1 day agoNE5E43NE4433N3NE4NE3CalmCalmCalmCalmCalmCalmCalmCalmCalmSE5CalmCalmCalmCalm
2 days ago34CalmN7N7NE6NW4NW3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNE3NE3

Tide / Current Tables for Milton, Blackwater River, Pensacola Bay, Florida
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Milton
Click for Map
Tue -- 06:19 AM CDT     Sunrise
Tue -- 07:07 AM CDT     Moonrise
Tue -- 01:57 PM CDT     1.86 feet High Tide
Tue -- 07:22 PM CDT     Sunset
Tue -- 08:12 PM CDT     Moonset
Tue -- 11:42 PM CDT     0.46 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.20.30.40.50.60.70.811.11.31.41.61.71.81.91.81.71.51.31.10.90.70.50.5

Tide / Current Tables for Bay Point, Blackwater River, Pensacola Bay, Florida
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Bay Point
Click for Map
Tue -- 06:18 AM CDT     Sunrise
Tue -- 07:07 AM CDT     Moonrise
Tue -- 01:39 PM CDT     1.83 feet High Tide
Tue -- 07:22 PM CDT     Sunset
Tue -- 08:12 PM CDT     Moonset
Tue -- 11:58 PM CDT     0.63 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.40.40.50.60.70.80.911.21.31.51.61.71.81.81.81.71.51.31.10.90.80.70.6

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 (11,2,3,4)
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Ground Weather Radar Station Fort Rucker, 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.