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December 29th - 30th Snowstorm


bud2380

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Just been upgraded to a WWA for my area:

Winter Weather Advisory

URGENT - WINTER WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
224 PM EST Tue Dec 29 2020

MIZ063-068>070-075-076-082-083-300400-
/O.EXB.KDTX.WW.Y.0011.201230T0300Z-201230T1400Z/
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-
Monroe-
Including the cities of Port Huron, Howell, Pontiac, Warren,
Ann Arbor, Detroit, Adrian, and Monroe
224 PM EST Tue Dec 29 2020

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
9 AM EST WEDNESDAY...

* WHAT...Mixed precipitation expected. Total snow accumulations of
  up to two inches and ice accumulations of a light glaze.

* WHERE...St. Clair, Livingston, Oakland, Macomb, Washtenaw,
  Wayne, Lenawee and Monroe Counties.

* WHEN...A brief period of light accumulating snow is expected
  between 10 PM and 2 AM tonight. Light freezing rain is then
  expected to develop between 6 AM and 9 AM EST Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions are expected to impact the morning commute.

* ADDITIONAL DETAILS...Snow is expected to develop during the late
  evening hours, impacting Southeast Michigan through Midnight. A
  quick accumulation of snow is expected with up to 2 inches
  possible, greatest amounts over northern Metro Detroit. A lull
  in precipitation is then expected late tonight before light
  freezing rain moves into Southeast Michigan for the morning
  commute.

Note: Man, it will get quite messy here in Northern Macomb area.

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Snowfall for Winter 2023 -24 for Metro Detroit Area 

Oct 2023: 0.2" AN

Nov 2023: 2.2" AN

Dec 2023: 0.5" BN Insane!

Jan 2024: 17.0" AN

Feb 2024: 1.9"  BN

Mar 2024: 4.9" BN

April 2024:

Season So Far: 26.7"

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13 minutes ago, Hawkeye said:

Good area of mix south of Des Moines, going to lift northeast.  We will need a couple hours of 2"/hr to get the bigger totals.

The latest HRRR is down to 8", which I would certainly still be happy with.

There is a serious band pushing 50dbz just SW of Pella that is probably doing 3-4"/hr, maybe more. No bright banding either.

 

As for our area. It's coming down at a decent clip, but flake size is rather unimpressive currently. It's not bad by any means, just unimpressive. 

828640c1ddf76e3e17fa67673ee1a7e9.jpg

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2021-22 Snowfall: (Hiawatha)

TOTAL: 10.2"

(12/28: 3.0") (12/29: 0.8") 

(1/1: 6.4")

 

 

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22 minutes ago, Grizzcoat said:

2" hour rates at DSM!!

KDSM 291854Z 10009KT 1/8SM R31/1400V1600FT SN FZFG VV004 M05/M07 A3013 RMK AO2 SFC VIS 1/4 PRESFR SLP217 SNINCR 2/3 P0019 T10501067

Have a friend flying from O'hare to DSM today at 2:30. Flight is still on. I told him this morning there was no way it would be getting out

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This snow is in a rush to arrive here in SEMI....not wasting time at all.

https://s.w-x.co/staticmaps/wu/wxtype/county_loc/day/20201229/1930z.gif

  • Like 1

Snowfall for Winter 2023 -24 for Metro Detroit Area 

Oct 2023: 0.2" AN

Nov 2023: 2.2" AN

Dec 2023: 0.5" BN Insane!

Jan 2024: 17.0" AN

Feb 2024: 1.9"  BN

Mar 2024: 4.9" BN

April 2024:

Season So Far: 26.7"

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Just now, james1976 said:

So........its done snowing west of Ft Dodge already?😳

It's not. Some funky beam height shenanigans going on. Stations still reporting snow with visibilities ranging from 0.5-1.5mi. Though the DGZ out there isnt especially saturated so I cant imagine the snow is particularly efficient at accumulating.

2021-22 Snowfall: (Hiawatha)

TOTAL: 10.2"

(12/28: 3.0") (12/29: 0.8") 

(1/1: 6.4")

 

 

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Last night's 3k NAM had far sw Iowa getting no snow at all... all mix.

7" of snow fell there this morning.

It's safe to say the NAM blew this one.

  • Like 4

season snowfall: 34.8"

'22-23: 30.2"      '21-22: 27.1"      '20-21: 52.5"      '19-20: 36.2"      '18-19: 50.2"      '17-18: 39.5"

Average snowfall: ~30"

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6.5" officially at KLNK. The report said only through noon, but also made it sound like the final total. I guess anything since then would be less than 1/2" though. Other than 2/23/19, this is the biggest storm since Feb 2015. I'll see the aftermath in person by this time tomorrow. Roads still look like hot garbage on webcams. 

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Snowfall in Lincoln, NE:

2017-18: 21.4"   2018-19: 55.5"   2019-20: 17.6"   2020-21: 49.4"   2021-22: 5.1" 🤮

Average: 26"

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3 minutes ago, bud2380 said:

I don’t think this is going to underperform. In fact the further south RDPS seems like it may have been on to something all along. Nice totals already showing up for much of southern Iowa. 

Well, the deepest moisture is veering east across southern Iowa, so if it can stay snow it'll really pile up, like the UK has been showing.

FWIW, the 18z NAM now no longer lifts the mix up to Cedar Rapids, keeps us all snow.

  • Like 1

season snowfall: 34.8"

'22-23: 30.2"      '21-22: 27.1"      '20-21: 52.5"      '19-20: 36.2"      '18-19: 50.2"      '17-18: 39.5"

Average snowfall: ~30"

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