Tuesday, July14, 2020
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Marine Weather and Tides
River Rouge, MI

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:07AMSunset 9:09PM Tuesday July 14, 2020 12:32 PM EDT (16:32 UTC) Moonrise 12:48AMMoonset 2:30PM Illumination 32% Phase: Waning Crescent; Moon at 24 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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LCZ422 /o.exp.kdtx.ma.w.0022.000000t0000z-200710t1945z/ 336 Pm Edt Fri Jul 10 2020
.the special marine warning will expire at 345 pm edt... The affected areas were... St. Clair river... Lake st. Clair... The Thunderstorms have weakened and no longer pose a significant threat to boaters. Lat...lon 4293 8245 4289 8247 4261 8252 4255 8259 4256 8264 4248 8272 4255 8287 4268 8279 4272 8269 4270 8261 4265 8259 4264 8256 4265 8255 4276 8251 4289 8252 4301 8242 4298 8241 time...mot...loc 1935z 198deg 13kt 4278 8259 4250 8291
LCZ422 Expires:202007101945;;637904 FZUS73 KDTX 101936 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 336 PM EDT Fri Jul 10 2020 LCZ422-460-101945-


7 Day Forecast for Marine Location Near River Rouge city, MI
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location: 42.25, -83.06     debug


Area Discussion for - Detroit/Pontiac, MI
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FXUS63 KDTX 141008 AFDDTX

Area Forecast Discussion National Weather Service Detroit/Pontiac MI 608 AM EDT Tue Jul 14 2020

AVIATION.

Light and variable winds will become southwesterly by mid-morning as stable high pressure centers over Lake Erie. VFR diurnal cumulus clouds will mainly be limited to SCT coverage this afternoon and evening, but a brief period of BKN coverage is possible with bases near 6 kft. Some cirrus will impinge aloft overnight, but may be sparse enough to allow for a brief period of MVFR fog around sunrise given a slight uptick in dewpoint temperatures.

DTW THRESHOLD PROBABILITIES.

* Low for ceiling at or below 5000 ft this afternoon.

PREV DISCUSSION. Issued at 256 AM EDT Tue Jul 14 2020

DISCUSSION .

Expect quiet weather today through Wednesday as ridging at the surface and aloft shift slowly east across the region. Conditions will warm during this period with generally mid 80s for highs today and upper 80s to around 90 on Wednesday. Diurnal cumulus will be rather meager today so expect mainly sunny skies. Wednesday will likely see just a bit more cloudiness as convective debris from showers/storms to the north infiltrate the skies to some degree.

Main shortwave arrives even later than previously forecast with the most impactful weather coming well after midnight Wednesday night as ridging holds sway into the evening. 00z model cycle is much less bullish on precipitation coverage/intensity with this system so the heavy rain threat seems much less likely. The timing of this wave will allow for some lingering showers into Thursday morning with little more than an isolated shower or storm thereafter as humidity builds on Thursday with the passage of the shortwave.

Thereafter, the upper pattern puts Southeast Lower Michigan on the northern periphery of a strong upper ridge that will cover a large portion of the CONUS heading into the weekend. This will allow for a continued increase in heat/humidity across the area as temperatures climb back into the 90s on Friday and remain so into early next week. Humidity levels will also steadily increase during the same time frame with rather oppressive conditions expected by the Sunday and Monday period as temperatures climb into the lower/mid 90s and dew points top the 70F mark.

Given the fact that the area will reside on the northern edge of the broad scale upper ridge, expected periodic widely scattered to scattered showers and thunderstorms throughout the later portion of the forecast as any number of weak shortwave disturbances track along the edge of the ridge into the general vicinity and provide at least some upper support for marginally organized convection at times.

MARINE .

Weak and broad high pressure will continue to build across the region for the early week period resulting in dry conditions through at least early Wednesday. Northerly flow will subside overnight tonight before flow increases slightly from the southeast on Tuesday. The next chance for unsettled weather is expected Wednesday night as a low pressure system moves in from the west.

HYDROLOGY .

Showers and thunderstorms will bring the possibility of locally heavy rainfall overnight Wednesday night as a shortwave shifts east through the area. Model runs, in general, have backed off on the amount of QPF expected across the area. However, locally heavy rain may bring half an inch or more of rainfall to parts of the area from late Wednesday night into Thursday morning. Flooding concerns appear to be minimal at this time with local ponding of water in low lying and poorly drained areas the most likely scenario.

DTX WATCHES/WARNINGS/ADVISORIES. MI . NONE. Lake Huron . NONE. Lake St Clair . NONE. Michigan waters of Lake Erie . NONE.

AVIATION . KK DISCUSSION . DG MARINE . SP HYDROLOGY . DG

You can obtain your latest National Weather Service forecasts online at www.weather.gov/detroit.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CLSM4 - St. Clair Shores, MI 18 mi33 min ESE 8 G 8.9 73°F 1018.6 hPa (-0.4)
45147 - Lake St Clair 24 mi33 min SE 3.9 G 3.9 73°F1017.3 hPa (-0.2)
THLO1 - Toledo Light No. 2 OH 30 mi93 min Calm G 1 75°F
AGCM4 38 mi63 min 72°F
45165 39 mi43 min NE 3.9 G 3.9 75°F 81°F1 ft62°F
TWCO1 40 mi23 min NE 6 G 8 79°F
SBIO1 - South Bass Island, OH 44 mi33 min WNW 1.9 G 1.9 75°F 1018.4 hPa (-0.3)
CMPO1 49 mi63 min ENE 5.1 77°F

Wind History for Toledo, OH
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Detroit/Grosse Ile, Grosse Ile Airport, MI12 mi38 minSSE 310.00 miFair78°F65°F65%1018.3 hPa
Coleman A Young Municipal Airport, MI13 mi40 minVar 410.00 miPartly Cloudy78°F59°F52%1018.1 hPa
Detroit, Detroit Metropolitan Wayne County Airport, MI14 mi40 minS 710.00 miFair79°F57°F49%1018 hPa
Troy, Oakland/Troy Airport, MI21 mi38 minSE 310.00 miPartly Cloudy80°F55°F43%1018.6 hPa

Link to 5 minute data for KDET

Wind History from DET (wind in knots)
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Last 24hrNW3N5
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3SE8CalmE6E8E7SE5CalmE4E3NE3CalmN3CalmCalmCalmN4CalmSE3534
1 day ago5NW10
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Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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wmap_A
GEOS Local Image of GreatLakes    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 Detroit/Pontiac, MI (12,3,4,5)
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Ground Weather Radar Station Detroit, MI
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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 numerous 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.