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Decent into Winter

Yesterday, the high was 45° and the low was 39°. Early in the morning, .03 of an inch of rain fell.  We have had 3.41 inches of rain so far this month and 2.9 inches of snow (in Otsego).  The season rainfall total has been 7.06 inches.


Turning colder this week

I have the plow on my tractor now I have the fun job of putting the chains on.  The easiest way or I should say the least frustrating is jacking up the rear, deflating the tires, installing the heavy chains, and lock them then reinflating the tires.  Does anyone remember tire studs before they were made illegal?

Real winter weather is set to arrive in Lower Michigan later this week, and it could slow down travel with slick roads. It could start on Thanksgiving and likely continue through the long weekend with heavy lake-effect snow in some areas. Until then, there are a few more mild days to get ready.


Weather History

1950: A massive storm moves through the northeast United States, producing blizzard conditions and record low pressure, and drawing extremely cold arctic air south across Michigan. The bitterly cold air results in high temperatures only around 10 degrees, with record lows down to nine below zero at Grand Rapids.

On November 24, 2004, a potent storm system lifted out of the Southern Plains and moved through the Central and Eastern Great Lakes region this particular Thanksgiving Eve. The precipitation started as rain but changed to snow as the cold air filtered into the storm. Snowfall rates exceeded an inch per hour for a period, as thundersnow was reported. Due to the convective nature of the wet snow, snowfall accumulations varied significantly within and across the counties, generally ranging from 2 to 8 inches. Gusty northeast winds of 30 to 40 mph further aggravated the situation, causing scattered power outages, and reducing visibilities to a quarter of a mile or less at times. Some of the higher snowfall reports that were received included Poseyville (Midland county), 9.2 inches; Auburn (Bay county), 6.4 inches; 7 miles west of Flint (Genesee county), 8.1 inches; Fairgrove (Tuscola county), 5.0 inches; Elba Township (Lapeer county), 5.7 inches; Howell (Livingston county), 5.5 inches; Saginaw (Saginaw county), 8.2 inches; Bennington (Shiawassee county), 6.5 inches.

Also on November 24, 1950, the high temperature for the day only reached 15 degrees in Flint. This is the record lowest maximum temperature for November in Flint.


NWS Forecast

Today
A slight chance of drizzle before 7 am. Mostly cloudy, with a high near 47. Southwest wind around 7 mph becoming southeast in the afternoon.
Tonight
Showers are likely, mainly after 1 am. Cloudy, with a low of around 41. Southeast wind around 8 mph. The chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers are likely, mainly after 1 pm. Cloudy, with a high near 51. Light and variable wind becoming west at 5 to 9 mph in the morning. Winds could gust as high as 20 mph. The chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain showers are likely before 4 am, then a slight chance of rain and snow showers. Cloudy, with a low of around 32. West northwest wind 9 to 13 mph, with gusts as high as 22 mph. The chance of precipitation is 60%. Little or no snow accumulation is expected.
Tuesday
A 20 percent chance of snow showers. Partly sunny, with a high near 38. West wind around 14 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low of around 28.
Wednesday
A chance of rain and snow after 1 pm. Mostly cloudy, with a high near 40. The chance of precipitation is 30%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low of around 28.
Thanksgiving Day
A chance of snow. Mostly cloudy, with a high near 37.
Thursday Night
Snow showers are likely. Mostly cloudy, with a low around 26.
Friday
Snow showers are likely. Mostly cloudy, with a high near 32.
Friday Night
Snow showers are likely. Mostly cloudy, with a low around 23.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 28.

Forecast Discussion

- Rain showers tonight into Tuesday morning

The clouds that have been plentiful over the area the last couple of
days continue to hold on strong this morning. We have a layer of
both lower clouds and high clouds. We can not rule out seeing some
breaks in the cloud cover and some filtered sunshine this afternoon
as the low clouds dissipate and high clouds remain while ridging
aloft and at the sfc builds toward the area into this afternoon.

The break will be short lived however as our next system will be
organizing to our west this afternoon, and moving in tonight. There
is an upper wave over Southern ID this morning that will move out
into the Upper Midwest, and support a sfc low moving from the Front
Range of the Rockies, to near Chicago by 12z Monday morning. The
upper wave will be strengthening as it phases with a northern stream
wave across Southern Canada.

Initially there will be no precipitation with the sfc low due to a
lack of moisture. A 30+ knot low level jet nosing up into the area
later tonight will supply sufficient moisture for showers to
eventually develop later on. We will likely see a break between the
showers later tonight ahead of the front, and the next round of
showers that will come in that will be associated with the upper
wave Monday afternoon and night. The upper trough axis will pass
east of the area by 12z Tuesday, so most of the shower activity
should have ended by then.

- Light snow chances later Wednesday through Thanksgiving Day

The southern portion of our area could see some light precipitation
redevelop as early as Wednesday morning and linger much of the day.
There are not any strong features present at the sfc or short waves
aloft driving these chances. What is there are a couple of jet
streaks working together helping to provide some upper divergence
centered just south of the state. This jet energy, combined with a
low level flow out of the Gulf will help to develop precipitation.

The precipitation could be some light rain or snow depending on when
it falls. If it starts early enough, some light snow would be
possible before the boundary layer can warm up enough to mix some
rain in, or change it over to all rain. This precipitation should
not be significant coming off of ridging and drier weather from
Tuesday. Any rain on Wednesday could change back over to snow
Wednesday night.

We are watching for the potential of some accumulating snow for
Thanksgiving Day, especially for the southern half of the forecast
area south of I-96. The feature responsible for this potential is
the closed low off of the coast of the Pacific NW. This low is going
to be absorbed into the main jet stream, and open up and lift
through the Rockies and Plains toward the Ohio River Valley. This
will be inducing a decent sfc low that looks to track along the Ohio
River Valley also.

There has been some uncertainty as to how much of the precipitation,
in the form of snow will affect our area. The uncertainty really
rests in the evolution of the upper low/wave. A majority of the
ensemble data has been showing most of the snow staying south of the
area, with I-94 getting clipped with an open wave staying south.
There have been some outlier solutions showing the upper low being a
bit more closed, and wrapping more moisture up into the area. We are
currently leaning more toward the open wave and further south snow
solution with better agreement. We are watching for the low
potential of the closed low solution verifying, which would affect
the holiday a bit more.

- Pattern change to colder air and lake effect late in the week

No matter what track the upper low and sfc low takes on Thursday, we
are looking at high confidence of a pattern change that will bring
colder weather to the area, along with potential of a prolonged
period of lake effect for the first couple of columns of counties
near the lakeshore. 850 mb temperatures will be dropping to around
-10 to -12C providing plenty of sufficient instability for lake
effect. The upper flow pattern will be cyclonic with colder air
aloft overhead, leading to higher inversion heights and deeper
instability. The low level flow looks like it will be mainly from
the NW. That will favor the SW and NW corners of the area to see
snow accumulations of at least a few inches. Plenty of details have
to be fine tuned over the next few days.
newest oldest
INDY
INDY

Let it snow let it snow let snow …INDY

Rocky (Rockford)
Rocky (Rockford)

Winter rocks! Get ready!

Slim

We now only have 7 days left in November 2024 the mean this month is now at 47.1 that is +5.8 the highest for the month is 68 and the lowest so far is 28. There has been 2.79” of precipitation that is a departure of +0.33” there has been 0.2” of snowfall that is a departure of -42”
Slim

Slim

The official H/L yesterday at GR was 45/40 there was 0.01” of rainfall there was no sunshine. The highest wind speed was 22 MPH out of the NW. For today the average H/L is 44/30 the record high of 66 was set in 1931 the coldest high of 11 was set in 1950 the record low of -9 was set in 1950 the warmest low of 55 was set in 2001. The wettest was in 1973 with 1.09” the most snowfall of 9.7” was in 2004 the most on the ground at 7AM was 5” in 2000. Last year the… Read more »