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January 18-20, 2023 | Plains/MW/GL/OV Winter Storm


Ohiobuckeye45

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On 1/14/2023 at 8:10 AM, StLweatherjunkie said:

Seems like we're in the medium range doldrums now that the system in question is in the middle of the Pacific Ocean. I circled this storm in green on the 00z Thursday analysis:

830100943_1-1200zECMWFAnalysis.thumb.png.24cb79ec34b791128c8ecd49c3528ddb.png

Since the system was sampled as it tracked across the east coast of Asia on Tuesday/Wednesday it's plausible that older runs were better. EPS means made a substantial jump (from north IN to south IL) with the 12z Thursday run when it moved offshore so take trends since 00z Thursday with a grain of salt. 

914156110_EPSMSLPTrend.gif.facec810816c7401044cf34962a058d5.gif

Assuming the above analysis isn't completely false then I'd expect a ~996mb low within the green oval at 12z Thursday morning. Posting here so that I can come back on Thursday and double-check.

145871679_12zThulowguess996mb.thumb.png.6e2d6bcdf65be39559f43cf344eac466.png

Was a few mb too deep with my guess, but the location was spot on:

image.thumb.png.4cbfe68c1b0dab2348c43b2905d50b6f.png

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On 1/17/2023 at 9:00 AM, StLweatherjunkie said:

It's less impressive farther east, but Nebraska is probably gonna get smacked by this one. EDIT: EFI values approaching 1 and SoT >5 means this is probably going to break some daily or perhaps monthly snowfall records in portions of Nebraska/Colorado. 

1014489678_1-170zEFIsnow1.thumb.png.823bf0b4fec621eaca5b43f9703fb199.png

1561391185_1-170zEFIsnow2.thumb.png.ff888eb46678e41771e4602160d74704.png

Only checked North Platte, but they indeed set a daily precip/snowfall record and it wasn't by a small margin ... with other nearby locations picking up around 20" I think it's safe to say most of the area highlighted by the EFI/SoT had a record snowfall yesterday.

RECORD EVENT REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
0140 AM CST THU JAN 19 2023

...RECORD DAILY MAXIMUM RAINFALL SET AT NORTH PLATTE ...

A RECORD RAINFALL OF 1.03 WAS SET AT NORTH PLATTE  YESTERDAY.
THIS BREAKS THE OLD RECORD OF 0.76 SET IN 1883.


...RECORD DAILY MAXIMUM SNOWFALL SET AT NORTH PLATTE ...

A RECORD SNOWFALL OF 13.9 WAS SET AT NORTH PLATTE  YESTERDAY.
THIS BREAKS THE OLD RECORD OF 9.0 SET IN 1988.

Edited by StLweatherjunkie
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About a foot of fresh snow so far ... It's still coming down. As of 5 pm the office picked up 11.4" breaking the old daily record of 9.6". Based on the radar, I wouldn't be surprised if the midnight observation comes in close to 16" and there's actually more snow south of town!

Quite a storm ... Here's a picture of my dog enjoying a stick in the fresh snow around noon today:

PXL_20230119_182503345.thumb.jpg.cfef46d89219dcf6042cc59dd3f689bc.jpg

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1 hour ago, StLweatherjunkie said:

About a foot of fresh snow so far ... It's still coming down. As of 5 pm the office picked up 11.4" breaking the old daily record of 9.6". Based on the radar, I wouldn't be surprised if the midnight observation comes in close to 16" and there's actually more snow south of town!

Quite a storm ... Here's a picture of my dog enjoying a stick in the fresh snow around noon today:

PXL_20230119_182503345.thumb.jpg.cfef46d89219dcf6042cc59dd3f689bc.jpg

I’m moving to your neighborhood.

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18 hours ago, StLweatherjunkie said:

About a foot of fresh snow so far ... It's still coming down. As of 5 pm the office picked up 11.4" breaking the old daily record of 9.6". Based on the radar, I wouldn't be surprised if the midnight observation comes in close to 16" and there's actually more snow south of town!

Quite a storm ... Here's a picture of my dog enjoying a stick in the fresh snow around noon today:

PXL_20230119_182503345.thumb.jpg.cfef46d89219dcf6042cc59dd3f689bc.jpg

Very nice! My snow/glacier depth is around 13-14" with just under 4" from yesterday's system. I'm happy as it freshened it up! 

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20 hours ago, StLweatherjunkie said:

About a foot of fresh snow so far ... It's still coming down. As of 5 pm the office picked up 11.4" breaking the old daily record of 9.6". Based on the radar, I wouldn't be surprised if the midnight observation comes in close to 16" and there's actually more snow south of town!

Quite a storm ... Here's a picture of my dog enjoying a stick in the fresh snow around noon today:

PXL_20230119_182503345.thumb.jpg.cfef46d89219dcf6042cc59dd3f689bc.jpg

Just under 14" with snow-liquid ratios around 9:1

 

RECORD EVENT REPORT
NATIONAL WEATHER SERVICE
145 AM EST FRI JAN 20 2023

...RECORD DAILY SNOWFALL AND DAILY WATER EQUIVALENT SET YESTERDAY 
JANUARY 19TH AT THE MARQUETTE NATIONAL WEATHER SERVICE OFFICE...

THE DAILY WATER EQUIVALENT IN THE SNOW THAT FELL YESTERDAY JANUARY 
19TH WAS 1.50 INCHES WHICH BROKE THE PREVIOUS DAILY WATER EQUIVALENT 
OF 0.26 INCHES SET IN 2020 FOR THIS DATE. 

13.6 INCHES OF SNOW FELL YESTERDAY JANUARY 19TH WHICH BROKE THE 
PREVIOUS RECORD SNOWFALL FOR THIS DATE OF 9.5 INCHES SET IN 2009.

WEATHER RECORDS FOR THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN 
NEGAUNEE TOWNSHIP DATE BACK TO 1961.

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