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Jan 20th snow event part 2


Thundersnow12

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3" in Sterling Heights.. and still snowing at a good clip.. the green returns have been persistant right over my area.. LOL

Ive notice that. One more nice band to come through in the next 1-2 hrs. Hopefully we get another inch. 3-4" in the area is not a bad storm at all. considering

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ORD ended up with 0.54" liquid.

0900 PM SNOW OHARE AIRPORT 41.98N 87.90W

01/20/2012 M5.4 INCH COOK IL OFFICIAL NWS OBS

STORM TOTAL.

0900 PM SNOW 3 SW MIDWAY AIRPORT 41.75N 87.79W

01/20/2012 M7.3 INCH COOK IL CO-OP OBSERVER

LIQUID EQUIVALENT 0.51 INCHES.

Is there anyway you can explain how Midway ended up with better ratios?

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Oh and lol at 20:1 ratios. It seems like ratios greater than 13:1 are always easier said than done. However, that also means that our moisture must have overperformed too, since if 6.4" melted down to 0.40" as per the model consensus, we would be looking at a 16:1 ratio, which, although I don't know for sure, I doubt we have since everyone else's ratio obs are so low.

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Is there anyway you can explain how Midway ended up with better ratios?

0.54" L.E. at ORD is from the ASOS gauge, which might have been overdoing liquid amounts for this event, but it's what we have to work with. RFD ASOS also seemed to have a very low ratio based on measured storm total and L.E.

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4.0" here in Beach Park. 9pm the snow stopped. Flurries around still. About 20° here now.

Interesting that we didn't have really high ratio's given temperatures. Which makes me think that the snow crystal form/structures were good at packing/settling itself together efficiently.

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Hard to imagine 13abc measured correctly... I have 4" in BG, and SEMI has 2.25-3", yet TOL only has 2". Even a spotter report 3 hours before the news had 1.5"... so I'm not sure what to think. Bryan, OH had 4" a few hours ago, and most of Route 224 has 3-5" with another couple inches possible before the snow ends. Good job by CLE on this event, I must say.

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Back to heavy snow in Muncie. Sticking a finger through the snow pack is like going through a reverse Oreo cookie. About an inch of fluff on top, then about an inch of firm, but not solid, ice, then about an inch of fluff to the ground.

Same here, snowing good the last half hour. Just drove home from work and it was pretty bad.

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Looks like my 3-5" call for Metro Detroit was a busto, however the 5-7" with localized higher amounts for Chi-Town looked pretty spot on.

Some local numbers though...

PRELIMINARY LOCAL STORM REPORT...SUMMARY

NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI

1235 AM EST SAT JAN 21 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...

..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....

..REMARKS..

1031 PM SNOW RIVERVIEW 42.17N 83.19W

01/20/2012 M2.2 INCH WAYNE MI TRAINED SPOTTER

5 HR TOTAL.

1046 PM SNOW GARDEN CITY 42.33N 83.33W

01/20/2012 M1.5 INCH WAYNE MI TRAINED SPOTTER

5 HR TOTAL.

1125 PM SNOW HOWELL 42.61N 83.94W

01/20/2012 M1.8 INCH LIVINGSTON MI NWS EMPLOYEE

FINAL TOTAL.

1132 PM SNOW DEXTER 42.33N 83.88W

01/20/2012 M2.0 INCH WASHTENAW MI TRAINED SPOTTER

6-HOUR SNOWFALL TOTAL

1134 PM SNOW PORT HURON 42.99N 82.43W

01/20/2012 M1.0 INCH ST. CLAIR MI TRAINED SPOTTER

12-HOUR SNOWFALL TOTAL

1232 AM SNOW FLINT 43.02N 83.69W

01/21/2012 M1.4 INCH GENESEE MI OFFICIAL NWS OBS

1232 AM SNOW SAGINAW 43.42N 83.95W

01/21/2012 M1.1 INCH SAGINAW MI OFFICIAL NWS OBS

1232 AM SNOW WHITE LAKE 42.65N 83.50W

01/21/2012 M1.8 INCH OAKLAND MI OFFICIAL NWS OBS

NWS-WHITE LAKE

1232 AM SNOW ROMULUS 42.22N 83.37W

01/21/2012 M2.3 INCH WAYNE MI OFFICIAL NWS OBS

DETROIT METRO.

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06Z Smartcast Update: Tracking areas around Altoona and University Park, PA with the heaviest now accumulations of and additional 5-6" through 17Z. In OH, looking at areas around Cleveland and Akron areas with an additional 3-4" of snowfall. Heaveist snowfall is now through 12Z, with snowfall rates up to 1" per hour across the region. Full update posted http://smartwxmodel.net

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