Friday, February23, 2018 L-36.com


Marine Weather and Tides
Hamtramck, MI

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 7:14AMSunset 6:16PM Friday February 23, 2018 11:31 PM EST (04:31 UTC) Moonrise 11:48AMMoonset 1:30AM Illumination 65% Phase: Waxing Gibbous; Moon at 9 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
    EDIT      (on/off)   Help
This is a Weather Statement Zone, please check the Date to see if it has expired
LCZ423 /o.can.kdtx.ma.w.0053.000000t0000z-171008t0415z/ 1125 Pm Edt Sat Oct 7 2017
.the special marine warning is cancelled... The affected areas were... Detroit river... Michigan waters of lake erie from detroit river to north cape mi... The Thunderstorms have moved out and no longer pose a significant threat to boaters. Lat...lon 4185 8345 4235 8304 4237 8299 4236 8293 4231 8307 4224 8313 4216 8313 4203 8315 4196 8311 4177 8336 time...mot...loc 0324z 222deg 57kt 4256 8295 4227 8289 4208 8292
This is a Weather Statement Zone, please check the Date to see if it has expired
LCZ423 Expires:201710080334;;532427 FZUS73 KDTX 080325 MWSDTX MARINE WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 1125 PM EDT SAT OCT 7 2017 LCZ423-LEZ444-080334-

7 Day Forecast for Marine Location Near Hamtramck, MI
   Hourly   EDIT   Help
location: 42.38, -83.04     debug


Area Discussion for - Detroit/Pontiac, MI
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
Fxus63 kdtx 240006
afddtx
area forecast discussion
national weather service detroit pontiac mi
706 pm est Fri feb 23 2018

Aviation
Shallow cold advection in the absence of any tangible dry air
entrainment has led to a moist environment in the lower troposphere
this evening. In fact, since daytime heating has waned cig heights
have actually lowered a couple hundred feet. At minimum, it is
appearing increasingly likely that CIGS will struggle to lift,
considering the amount of cold air advection that is set to occur in
the lowest 4 kft agl. Surface temperature dewpoint depressions are
low for increased gradient flow. Maintained MVFR borderline ifr cigs
this evening. Looking more and more favorable for a pessimistic
outlook.

For dtw... Expectations are now for lower MVFR CIGS to hold
throughout the night. Stratus expecting to hold on Saturday as well.

Dtw threshold probabilities...

* high for CIGS below 5 kft tonight.

Prev discussion
Issued at 350 pm est Fri feb 23 2018
discussion...

shortwave ridging will amplify downstream of the next round of
shortwave energy progged to lift out of the 4-corners region this
weekend. Surface high pressure will correspondingly traverse the
great lakes from west to east tonight through Saturday, allowing
cooler air to infiltrate as the low-level flow veers through the
northerly quadrant. Even so, lows will remain solidly in the low
30s, about 10 degrees above average, as heights remain elevated
downstream of western us height falls and extensive low clouds
remain in place beneath the inversion.

Some erosion of cloud will be possible on Saturday, especially
across the north, as anticyclonic flow in the boundary layer
maximizes and dry easterly flow takes a toll on boundary layer
moisture. Even so, will be hard pressed to see much Sun as the
inversion on strengthens. No arguments with 12z guidance suggesting
highs around 40 given 850mb temps around 0c and plenty of cloud
cover. Just a low chance for showers near the ohio border during the
day light hours Saturday as isentropic ascent increases with low
amplitude, convectively-enhanced mid-level energy shears into the
lower great lakes region. Ejecting potent mid-level energy is
progged to deepen surface low pressure toward 980mb as it lifts
toward the straits by Sunday morning. Corridor of strong dynamic
forcing will remain largely northwest of the area while heavier
convective precip along the deep tropospheric front within the
resident right entrance region will be located much lower on the
front, possibly just grazing the far SE cwa. By and large, expect an
unimpactful round of showers within the narrow corridor of moist
isentropic ascent along the surging llj.

Attention for Sunday turns to wind potential. The cold front at the
surface will not be particularly strong, but much colder air above
the ground will rapidly steepen lapse rates beginning early in the
day Sunday. Subsequent convective instability in the deepening
boundary layer will yield widespread gusty conditions. Without
strong dynamic forcing for descent, wind gust potential will
generally tend toward the average momentum present within the column
or just a touch higher. Advisory criteria wind gusts of 45+ mph is
certainly possible, but nearly entirely dependent on residual
moisture quality and subsequent mixing depth. With this in mind,
moved the wind gust forecast in the direction of the GFS forecast
soundings which offer a middle-range low-level moisture quality
outcome.

High pressure over the ohio valley will maintain surface ridging
across the region early next week bringing dry, calm conditions
through Tuesday. Temperatures will remain above average with highs
in the upper 40s on Monday before increasing to the mid 50s on
Tuesday courtesy of increasing southwest flow as the high translates
eastward. The return southwest flow will also gradually advect
moisture northward into lower michigan late Tuesday into Wednesday
that could interact with a weak frontal boundary dropping into mid
michigan to produce showers late Tuesday into Wednesday.

Attention then turns to a potent southern stream wave ejecting from
the southwest us on Wednesday that will bring the next low pressure
system to the region late next week. Model solutions differ on
handling the interaction of the southern stream wave with a northern
stream wave and the subsequent development and evolution of the low.

Regardless, precipitation chances look to increase across southeast
michigan late Wednesday into Thursday as low pressure lifts into the
region. Temperatures in the 40s on Thursday will keep precip type as
rain before the low occludes and cold air wrapping into the system
brings the chance for rain snow showers by Friday.

Marine...

light southwest flow this afternoon will shift to the northwest
tonight as low pressure tracks through the northern great lakes.

Light and variable winds tomorrow as high pressure moves overhead.

The flow will become east southeasterly late Saturday and into
Saturday night ahead of developing low pressure across the central
plains. This area of low pressure will rapidly deepen as it tracks
northeast across the northern great lakes over the second half of
the week, with gales expected across lake huron. Lighter southwest
winds to follow for Monday and Tuesday as high pressure slides
through southern ohio valley.

Hydrology...

flood warnings remain in effect for most of the primary river basins
over southeast michigan as water levels continue to slowly recede.

Another low pressure system will track northwest of the region late
Saturday night and into Sunday. Rainfall amounts of a quarter of an
inch to half an inch are forecasted. This rainfall is not expected
to have any significant impacts to local rivers and streams.

Dtx watches warnings advisories
Mi... None.

Lake huron... Gale warning from 7 am to 7 pm est Sunday for lhz363-421-422-
441>443-462>464.

Gale warning from 10 pm Saturday to 7 pm est Sunday for lhz361-362.

Lake st clair... None.

Michigan waters of lake erie... None.

Aviation... ..Cb
discussion... Jvc jd
marine... ... .Sf
hydrology... .Sf
you can obtain your latest national weather service forecasts online
at

Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CLSM4 - St. Clair Shores, MI 11 mi32 min WNW 9.9 G 16 42°F 1023 hPa (+1.0)
AGCM4 32 mi44 min 43°F 1022 hPa
THLO1 - Toledo Light No. 2 OH 39 mi42 min WNW 13 G 14 41°F
THRO1 - 9063085 - Toledo, OH 53 mi44 min WNW 8 G 11 44°F 1022.9 hPa39°F

Wind History for Toledo, OH
(wind in knots)    EDIT      (on/off)   Help
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
Last
24hr
E18
G23
E13
G20
E13
G20
E9
G12
E8
G11
E8
G11
SE7
G12
E8
G11
E7
SE4
--
--
S1
G4
SW5
W7
G11
W13
G18
W12
G19
W11
G16
W12
G15
W8
G17
W12
G18
W10
G13
W8
W7
G10
1 day
ago
NE6
G9
NE5
G9
NE5
G8
NE7
G14
NE15
E13
G16
NE8
G16
NE16
NE16
E18
G24
NE8
G15
NE13
G18
NE11
G14
NE6
G11
NE11
G15
NE16
NE9
G17
E12
E14
G17
E14
G18
E16
G20
E15
G21
E19
G28
E17
2 days
ago
W3
W3
SW2
SE7
NW6
W6
NW14
G23
NW13
G16
NW9
G13
NW10
G14
NW6
G14
NW11
G15
NW9
NW7
G10
NE4
G7
N2
G5
N3
G8
NE2
G6
E12
G16
E10
G13
E13
G17
E11
E11
G15
E9
G12

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Coleman A Young Municipal Airport, MI4 mi39 minNW 10 G 1510.00 miOvercast42°F36°F79%1023.2 hPa
Troy, Oakland/Troy Airport, MI13 mi37 minW 710.00 miOvercast42°F35°F80%1023.4 hPa
Detroit, Detroit Metropolitan Wayne County Airport, MI19 mi39 minNW 910.00 miOvercast42°F37°F82%1023.4 hPa
Selfridge Air National Guard Base, MI20 mi36 minWNW 10 G 1610.00 miOvercast42°F41°F99%1023 hPa
Detroit/Grosse Ile, Grosse Ile Airport, MI20 mi37 minWNW 510.00 miOvercast43°F38°F84%1022.3 hPa

Wind History from DET (wind in knots)
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
Last 24hrNE6E10E11E6SE10E9SE9SE5SE6S6S5S4SW6SW11
G16
W11W10W8W14
G21
W7W8
G19
W8W14
G19
NW6
G15
NW10
G15
1 day agoNE7NE7NE9NE8NE10NE9NE7NE7NE7NE8NE6NE7NE11E9NE9NE10
G15
NE10NE9NE6NE7E6NE9NE10NE7
2 days agoSW3W3CalmSW4W5NW9
G19
NW10
G21
NW9N8NW8N12
G17
N10N8N8N7NE5E8E8NE8E5E7E7E7NE6

Tide / Current Tables for
   EDIT   RT Ports Option   Weekend mode (on/off)   (on/off)   Help
Tide / Current Tables for
   EDIT      (on/off)   Help
Weather Map and Satellite Images
       (on/off)   Help
Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of GreatLakes    EDIT
Geos

Wind Forecast for Detroit/Pontiac, MI (23,6,7,8)
      (on/off)   Help

Ground Weather Radar Station Detroit, MI
   (on/off)   Help
weather_mapweather_map weather_map

Ad by Google

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.