Saturday, August17, 2019 L-36.com


Marine Weather and Tides
Vincent, AL

Version 3.4
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7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:07AMSunset 7:30PM Saturday August 17, 2019 11:51 AM CDT (16:51 UTC) Moonrise 9:02PMMoonset 7:54AM Illumination 96% Phase: Waning Gibbous; Moon at 17 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 Vincent, AL
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location: 33.41, -86.39     debug


Area Discussion for - Birmingham, AL
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Fxus64 kbmx 171218
afdbmx
area forecast discussion
national weather service birmingham al
718 am cdt Sat aug 17 2019

Update
For 12z aviation.

Short term
Updated at 0332 am cdt Sat aug 17 2019
today and tonight.

We will continue with a hot and dry pattern for today as we remain
under the influence of a weak surface ridge across central alabama.

A stalled boundary is situated to our south along the alabama gulf
coast and the florida panhandle. The boundary then stretches
northeast up the southeast atlantic states toward delaware. In the
upper levels, we have weak zonal flow with no intrusion of moisture
to speak of today. Overall, we should see similar high temperatures
to a degree warmer here and there due to our status quo airmass. A
century mark high here and there may be seen again. However, with
the dry air still in place, we should not hit 105 heat index values
this afternoon. Heat index readings should be close to 97 to 102
though, so it will still be very hot.

For tonight, we should start to see our airmass change with moisture
creeping back northward as our stalled boundary will likely push
north some. However, this change will not be enough to call for any
rain chances through tonight. The airmass will need some recovery
time for that. It will mean that our low temperatures tonight for
Sunday morning may be a little higher than this morning.

08

Long term
Updated at 0332 am cdt Sat aug 17 2019
Sunday through Friday.

We will begin to see a mix of variable to weak southerly low-level
winds return on Sunday as a 700mb high height center moves over the
tennessee valley with a slow but gradual moistening of the low-level
airmass. The moisture gradient across the florida panhandle from a
remnant front will remain most notable at 500mb as moisture content
below 700mb increases. Lowered pops for Sunday afternoon and
decreased the coverage area since guidance has backed off on the
northward progression of the gradient throughout the day. Scattered
to chance pops will remain generally south of i-85 where pwats will
be near 1.7 inches near the gradient while the rest of the forecast
area remains hot and dry. Highs will be in the upper 90s with a few
spots possibly nearing 100f.

By Monday, low to mid-level cyclonic flow will increase across the
southeast as a weak inverted trough develops primarily over the
louisiana to alabama coastline extending northeast into south
carolina with a strong ridge over the central plains and the
bermuda high to our east. This disturbance will allow for some of
the best rain and thunderstorm chances we've seen as of late with
scattered to numerous pops most days through mid week, especially
along and south of i-20. Guidance varies on the exact placement
and spatial extent of this feature by the end of this period, but
a deep-layer trough will deepen over the great lakes region into
the tennessee valley and effectively absorb the shortwave
disturbance into the large-scale flow pattern by Friday. An
associated cold front will surge southward and approach northern
alabama on Friday, but guidance varies on whether or not this
front passes through the forecast area. Nonetheless, we should
continue to see scattered to chance pops and highs in the low to
mid 90s ahead of the boundary by the end of this period.

86

Aviation
12z TAF discussion.

Most will beVFR today, except for toi. Some low CIGS and fog are
noted on satellite and obs to the south of toi. The stationary
boundary is just to the south of toi, and some of this moisture is
riding northward this am. Have included a tempo for toi to
account thru 15z. Otherwise, clear skies and fairly light winds
will be noted for the next 24 hours.

08

Fire weather
High pressure will provide hot and mostly dry weather across
the area today into Sunday with drought conditions continuing for
portions of central alabama. Rain chances begin increasing on
Monday, especially in the south, with temperatures returning to
normal levels through the week.

Preliminary point temps pops
Gadsden 98 70 97 71 96 0 0 20 20 30
anniston 97 71 98 72 95 0 0 20 20 40
birmingham 100 73 99 74 96 0 0 20 20 30
tuscaloosa 99 73 98 74 96 0 0 20 10 40
calera 100 71 98 72 95 0 0 20 20 40
auburn 98 73 94 73 92 0 0 30 20 50
montgomery 101 73 96 73 94 0 0 30 20 50
troy 98 72 93 71 92 0 10 50 20 60

Bmx watches warnings advisories
None.

08 86


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Birmingham, Birmingham International Airport, AL22 mi2 hrsVar 310.00 miA Few Clouds90°F62°F39%1016.4 hPa

Link to 5 minute data for KBHM

Wind History from BHM (wind in knots)
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Last 24hrNW8NW10
G16
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N15N10N10N9CalmCalmCalmCalmCalmE3CalmCalmCalmCalmCalmCalmCalmCalm33
1 day agoN5N6N10
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N6N3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm6N6
2 days ago666NW10N8N9N9N8N6N4N5N5CalmCalmCalmCalmCalmCalmCalmCalmCalmNE7NE5E6

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map and Satellite Images
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GOES Local Image of    EDIT
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 (12,3,4,5)
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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 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.