Saturday, March23, 2019 L-36.com


Marine Weather and Tides
Powell, OH

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 7:28AMSunset 7:47PM Saturday March 23, 2019 4:30 AM EDT (08:30 UTC) Moonrise 10:02PMMoonset 8:21AM Illumination 94% 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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LEZ144 Expires:201903231045;;774501 Fzus51 Kcle 230203 Nshcle Nearshore Marine Forecast National Weather Service Cleveland Oh 1003 Pm Edt Fri Mar 22 2019 For Waters Within Five Nautical Miles Of Shore Waves Are The Significant Wave Height - The Average Of The Highest 1/3 Of The Wave Spectrum. Occasional Wave Height Is The Average Of The Highest 1/10 Of The Wave Spectrum. Lez142>145-231045- Lake Erie Nearshore Waters From Maumee Bay To Reno Beach Oh- Lake Erie Nearshore Waters From Reno Beach To The Islands Oh- Lake Erie Nearshore Waters From The Islands To Vermilion Oh- Lake Erie Nearshore Waters From Vermilion To Avon Point Oh- 1003 Pm Edt Fri Mar 22 2019
Rest of tonight..Northwest winds 15 to 20 knots. Mostly cloudy late this evening, then clearing. Waves 3 to 6 feet. Waves occasionally around 7 feet.
Saturday..Northwest winds 5 to 15 knots becoming west. Sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet.
Saturday night..Southwest winds 5 to 10 knots. Mostly clear. Waves 1 foot or less.
Sunday..Southwest winds 5 to 10 knots. Mostly cloudy. Waves 1 foot or less. SEe lake erie open lakes forecast for Monday through Wednesday. The water temperature off toledo is 37 degrees, off cleveland 36 degrees and off erie 35 degrees.
LEZ144


7 Day Forecast for Marine Location Near Powell, OH
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location: 40.17, -83     debug


Area Discussion for - Wilmington, OH
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Fxus61 kiln 230714
afdiln
area forecast discussion
national weather service wilmington oh
314 am edt Sat mar 23 2019

Synopsis
High pressure will move into the ohio valley today, bringing
dry and sunny conditions through Sunday morning. Later on Sunday
and into Monday, a weakening area of low pressure will move
southeast through the ohio valley, bringing a chance of rain.

High pressure will move into the area again on Tuesday, with dry
weather expected through most of the week.

Near term through today
Surface analysis indicates an area of high pressure centered
near lake michigan. This high is expansive, influencing
conditions all the way from lake winnipeg to the gulf coast. The
ohio valley is caught in between two upper level disturbances,
with a mid-level low departing the northeastern states to the
east, and a trough slowly developing in the rockies. A narrow
ridge in between the two systems is now moving into the ohio
valley, with heights beginning to rise -- an indication of warm
advection in the 850mb-700mb layer. Any last cold advection
stratocumulus is now well off to the east, with cirrus on the
back side of the ridge still well upstream. With this very dry
air mass in place -- precipitable water values are unlikely to
reach even two tenths of an inch -- it is very likely that skies
will remain completely clear today. Late in the day and heading
into the evening, some cirrus will begin to move into the area.

With the dry and sunny conditions, temperatures should respond
well, and MAX temps are expected to reach the upper 40s to
middle 50s. If anything, these numbers could even be a couple
degrees too low, though they represent a slight increase from
the previous forecast. Mav GFS numbers look a little more
reasonable (and warmer) than NAM sref mean numbers.

Short term tonight through 6 pm Sunday
A deamplifying ridge axis will be directly overhead this
evening over the iln forecast area, with surface high pressure
beginning to move off to the southeast. On the back side of the
ridge, cirrus clouds are expected to be spilling into the
region, but the low levels will remain very dry heading into the
overnight hours. Radiational cooling conditions will actually
be better at the start of the overnight period, before the
clouds become a little thicker, and before some light sse flow
begins to develop as the high moves away. For this reason, min
temps may arrive close to 06z, with steady or slightly warming
temperatures through Sunday morning. Depending on how this
timing actually works out, the min temps could vary a bit from
this forecast, but are generally expected to be in the lower to
middle 30s.

The mid-level flow over the eastern half of the country will be
flattening out on Sunday, as a weakening mid-level low opens
into a wave over the middle mississippi valley region. Perhaps
as a result of this increasingly dampened solution, the forward
progression of this system is being handled a bit faster in
recent model runs, with the initial batch of warm advection
precipitation impinging on the iln forecast area as early as
12z-15z on Sunday morning. Pop timing was adjusted to account
for this, and there were some changes to temperature grids as
well, with more of a gradient in place than before. As it looks
now, only the southeastern sections of the iln CWA appear likely
to remain out of the thicker mid-level clouds and potential
precipitation through the afternoon, and these areas will likely
see the warmest temperatures -- close to 60 degrees. 50s are
expected elsewhere.

Long term Sunday night through Friday
For Sunday night, a S WV will get nudged east by a large scale
mid level trough digging southward into the great lakes and new
england. Weak low pressure with the S WV will combined with a
southward moving cold front to bring categorical pops to the
region. Models have trended a little colder with air filtering
in from the north, so some of the precipitation across the far
north may mix with a little snow late. Lows will range from the
lower 30s far north to the upper 40s far south.

On Monday, the weak low and cold front will continue to push
southeast. This will allow pcpn to taper off from the north
during the day as drier air filters in. Again, models have
trended a little colder with the low levels of the atmospheres,
and a little bit of snow may mix in along and north of i-70
before pcpn tapers off by afternoon. It should remain in liquid
form across the south. Temperatures will be tricky given initial
caa, but with clearing skies from the north and some sunshine
expected for all locations before the Sun sets, the sunshine may
off set this CAA slightly. With a brisk northeast wind gusting
between 20 and 30 mph, highs will range from the lower 40s north
to near 50 south.

For Monday night into Tuesday, a large area of surface high
pressure associated with very dry air will build south into the
great lakes and ohio valley. Mainly clear skies Monday night
will give way to mostly sunny skies on Tuesday. Despite the
sunshine, temperatures will be below normal for late march as
cool air will be in place across the region. After lows in the
20s, highs will range from the lower 40s north to the mid upper
40s south.

For Tuesday night into Wednesday, although the center of the
sprawling high will move east to new england then eventually off
the new england coast, it will still extend westward into the
great lakes and ohio valley. After a cold start in the 20s on
Wednesday morning, temperatures will begin to moderate with
plenty of sunshine Wednesday. Highs Wednesday will range from
near 50 north to the mid upper 50s south.

A mid level ridge axis will move from the plains to the
appalachian region Wednesday night into Thursday. At the same
time, surface high pressure will continue to move slowly off the
new england coast while a frontal system beings to organize
across the mid section of the u.S. This pattern will allow
clouds to increase on Thursday. Increasing southerly flow
between the two aforementioned systems will allow temperatures
to warm into the 60s all locations.

For Thursday night into Friday, models continue to disagree on
the speed and evolution of the next weather system to affect our
region. Given a developing amplified mid level flow pattern,
will continue with a slow increase of clouds and chances of rain
from west to east through this period. After lows in the 40s,
highs will once again warm into the 60s Friday in a regime of
strong southerly flow.

Aviation 07z Saturday through Wednesday
Vfr conditions are expected through the TAF period. Skies have
cleared out, and should remain clear well into tomorrow. Wnw
winds will generally remain below 10 knots, before becoming
light and variable during the evening.

High and mid level clouds will begin to increase near the end of
the TAF period, but precipitation appears likely to hold off
until later on Sunday.

Outlook... MVFR conditions are possible on Sunday night and
Monday.

Iln watches warnings advisories
Oh... None.

Ky... None.

In... None.

Synopsis... Hatzos
near term... Hatzos
short term... Hatzos
long term... Hickman
aviation... Hatzos


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
OWXO1 - Old Woman Creek, OH 87 mi106 min SSW 1 27°F 1021 hPa25°F
HHLO1 - Huron Light, OH 88 mi31 min N 13 G 18 32°F 1019.6 hPa (+0.6)
MRHO1 - 9063079 - Marblehead, OH 96 mi43 min NNW 15 G 18 33°F 39°F1022.3 hPa23°F

Wind History for Marblehead, OH
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Columbus, Ohio State University Airport, OH7 mi38 minNW 810.00 miFair30°F24°F79%1022.5 hPa
John Glenn Columbus International Airport, OH13 mi40 minNW 710.00 miFair31°F25°F79%1022.3 hPa
Marysville Union County Airport, OH19 mi56 minNNW 710.00 miFair29°F24°F83%1022 hPa
Columbus, Bolton Field Airport, OH20 mi36 minNW 610.00 miFair29°F25°F85%1022.3 hPa
Rickenbacker Air National Guard Base, OH24 mi56 minNW 510.00 miFair30°F24°F80%1022 hPa

Wind History from OSU (wind in knots)
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Last 24hrSW8W8W9W10W11W13
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1 day agoS5S4S4SW4SW3S5W5CalmNW3N4W5NW8N8N9NW6NW8NW11NW12NW11NW14W12NW11
G21
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2 days agoCalmCalmCalmCalmCalmSE4S7S6S8
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S7SE45CalmCalm4W10W7SW6W7SW6

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.
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Wind Forecast for Wilmington, OH (4,6,7,8)
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Ground Weather Radar Station Wilmington, OH
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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.