Sunday, January19, 2020
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Marine Weather and Tides
Hamtramck, 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 7:55AMSunset 5:30PM Sunday January 19, 2020 8:51 AM EST (13:51 UTC) Moonrise 2:55AMMoonset 1:20PM Illumination 31% 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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LCZ423 /o.exp.kdtx.ma.w.0066.000000t0000z-191230t1215z/ 714 Am Est Mon Dec 30 2019
.the special marine warning will expire at 715 am est... The affected areas were... Detroit river... Michigan waters of lake erie... The wind shift has moved out of the warned area. Lat...lon 4173 8349 4180 8350 4195 8337 4197 8328 4223 8319 4234 8310 4237 8299 4235 8294 4232 8306 4224 8313 4212 8312 4203 8315 4196 8311 4172 8341 time...mot...loc 1214z 232deg 43kt 4292 8284 4267 8247 4234 8204
LCZ423 Expires:201912301224;;155656 FZUS73 KDTX 301214 MWSDTX Marine Weather Statement National Weather Service Detroit/Pontiac MI 714 AM EST Mon Dec 30 2019 LCZ423-LEZ444-301224-


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


Area Discussion for - Detroit/Pontiac, MI
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FXUS63 KDTX 191100 AFDDTX

Area Forecast Discussion National Weather Service Detroit/Pontiac MI 600 AM EST Sun Jan 19 2020

AVIATION.

CAA continues with strong westerly flow this morning as sufficient moisture streams across lower MI to produce scattered lake effect snow showers. Activity will temporarily wane this morning before a cold front drops south. This front will maintain a semi-correlated band of snow followed by a northerly wind shift on the back end. Timing for snowfall beings with mbS around 12Z before exiting south of DTW prior to 21Z. Gusty will be strongest this morning before gradually diminishing during the course of afternoon, especially after the frontal passage. MVFR conditions are expected outside of any snow shower activity until expansive high pressure over the northern Plains broadens into the Great Lakes this evening thinning out the persistent stratus deck.

For DTW . Gusts initialize around 30 knots with westerly flow before diminishing throughout the day, especially once a cold front clears. A band of snow showers along said front may produce quick bursts of dry snow with temporary IFR (or LIFR) vsby reductions. Otherwise, MVFR continues until this evening with chilly temperatures.

DTW THRESHOLD PROBABILITIES .

* High for ceilings under 5000 feet through Sunday afternoon.

* High in precipitation type as snow today.

* Low in exceeding crosswind threshold from 250-270 degrees tonight.

PREV DISCUSSION. Issued at 241 AM EST Sun Jan 19 2020

DISCUSSION .

Trailing vorticity center on backside of sheared out upper system will pivot southeast through the forecast area early this morning and maintain light snow shower activity lift from this feature is aided by moisture flux within westerly flow from Lake Michigan. A secondary cold front will settle north to south through the area in the wake of this upper wave. Convergence along this front will most likely grab dominant Lake Superior/northern Lake Michigan snow band and bring in southward. Early morning low level trajectories suggest this feature will impact parts of the northern Thumb region as it picks up just a bit more moisture crossing Saginaw Bay. Given radar trends early this morning, will increase snow chances in this area and up accumulations to at least an inch locally.

Some semblance of this band will persist as this front progresses through the region today with timing from north to south still in the 14z-22z window. Will adjust snow chances/amounts slightly based on the expected progression of this feature. Outside the Thumb, where additional lake effect activity from Lake Huron also pivots onshore during the day, expect accumulations to be an inch or less. Over the Thumb, particularly Huron county, would anticipate several inches of new snow from early this morning into the afternoon. Aside from lingering lake effect snow showers along the immediate shore of Lake Huron early this evening, expect a much drier air mass to begin shifting into the area as sprawling surface high pressure centered over the northern plains/upper midwest gradually builds into the Great lakes.

This drier pattern will hold into the middle of the week as said high pressure settles into the Ohio Valley region by Wednesday morning. Cold conditions will hold for the remainder of the weekend on into Tuesday as temperatures actually drop below average for a change this winter. Highs will range in lower/mid 20s into Monday and edge up into the upper 20s Monday while lows settle into the teens and in some cases single digits.

Upper ridging then expands over the eastern CONUS from mid to late in the week as shortwave energy gradually digs into the plains from the Pacific Northwest. Temperatures will moderate into the 30s and eventually lower 40s in some locations by week's end as this system approaches the area. Precipitation chances will also increase in the Friday to Saturday time frame with a mix of rain and snow showers as the resultant upper low pressure system from this Pacific energy shift east of the Mississippi Valley. At this time, this system appears to remain largely cutoff from the northern stream storm track as upper ridging encompasses much of Canada with upper troughing displayed well east/northeast from area east of Hudson Bay on into Greenland. This will limit any significant cool down with (and in the wake of this system).

MARINE .

Colder air will continue to funnel across the lakes Sunday as a strong low pressure system moves east away from the region. West southwest winds will continue to bring gales through the early morning hours on Sunday. A trailing cold front will then be forced south across the lake Sunday morning, with winds turning north- northwest in the wake of the front. The post frontal gradient will be weakening, so wind speeds/gusts will then actually decrease slightly Sunday morning. Northerly winds then persist through the day on Sunday.

DTX WATCHES/WARNINGS/ADVISORIES. MI . NONE. Lake Huron . Small Craft Advisory until 5 AM EST Monday for LHZ421-441>443.

Lake St Clair . Gale Warning until 7 AM EST this morning for LCZ460.

Michigan waters of Lake Erie . Gale Warning until 7 AM EST this morning for LEZ444.

Low Water Advisory until 1 PM EST this afternoon for LEZ444.



AVIATION . KK DISCUSSION . DG MARINE . 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 11 mi51 min W 19 G 26 20°F 1014.2 hPa (+2.3)
AGCM4 32 mi51 min 21°F 35°F1013.2 hPa (+3.1)
TWCO1 48 mi31 min W 26 G 33
MBRM4 - 9014090 - Mouth of the Black River, MI 53 mi51 min 22°F 1011.9 hPa (+2.9)

Wind History for Toledo, OH
(wind in knots)    EDIT      (on/off)   Help
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G30
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G27
W11
G22
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G31
W13
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G31
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G26
W20
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NW3
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G11
SE7
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G11
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G12
N3
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Coleman A Young Municipal Airport, MI4 mi58 minW 13 G 2110.00 miOvercast20°F12°F74%1015.3 hPa
Troy, Oakland/Troy Airport, MI13 mi56 minW 12 G 1910.00 miLight Snow20°F15°F83%1014.6 hPa
Detroit, Detroit Metropolitan Wayne County Airport, MI19 mi58 minW 13 G 226.00 miLight Snow18°F12°F77%1016.3 hPa
Selfridge Air National Guard Base, MI20 mi1.9 hrsW 16 G 2410.00 miOvercast21°F16°F83%1013.4 hPa
Detroit/Grosse Ile, Grosse Ile Airport, MI20 mi56 minW 10 G 1710.00 miOvercast18°F11°F76%1015.2 hPa

Link to 5 minute data for KDET

Wind History from DET (wind in knots)
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Last 24hrS11S13
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SW10SW11SW15
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--W16
G25
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SW9W15
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1 day agoN7N44E5E6SE5SE6SE9SE7SE7SE10SE8SE8E9E11E10SE12
G18
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G22
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G30
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G25
E12SE11
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2 days agoNW14
G21
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G26
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NW9NW9
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NW7NW8N11N6N7N5N4N5

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    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 (8,2,3,4)
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Ground Weather Radar Station Detroit, MI
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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.