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Potential major winter storm - Feb 24-25 PART II


snowstormcanuck

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Well this is an interesting wake up, I was expecting it to be raining right now as we got the shaft. However it is sleeting with snow mixing in and about 5 degrees colder than what we were expecting.

 

850's have actually cooled to below freezing here from +1C earlier this morning. Could be affecting p-type. We've also been running a degree or two cooler here as well at the surface.

 

True nowcasting event.

 

9kI7UBO.png

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I had a mix 1.5 hours ago of IP and rain but changed over to an odd type of snow. Around noon the rates of pure snow started picking up but has since slackened to nothing at all. TWN showed me recieving 30 cm of snow or more...I don't think so and would be surprised if we got over 20 cm. There would have to be a spectacular period later on for me to even give this one credit, I think its going to suck (because the low started weakening already 3+ hours ago (radar gave the hint)) and I'm taking a big nap to snooze through this mess.

 

Use imgur and post the link here. I'd like to see what's going on down there (or anywhere really).

 

It doesn't work, nothing I try will post the image within the post - just the URL appears. I posted in the Help section an example of it and no one has responded.

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PRELIMINARY LOCAL STORM REPORT  

NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  

1155 AM CST WED FEB 24 2016  

   

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

   

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

 

..REMARKS..  

 

1155 AM SNOW 3 SW MIDWAY AIRPORT 41.75N 87.79W  

02/24/2016 M0.7 INCH COOK IL CO-OP OBSERVER  

 

STORM TOTAL SO FAR  

 

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mcd0144.gif

 

MESOSCALE DISCUSSION 0144
NWS STORM PREDICTION CENTER NORMAN OK
1049 AM CST WED FEB 24 2016

AREAS AFFECTED...PORTIONS OF LOWER MI

CONCERNING...HEAVY SNOW

VALID 241649Z - 242245Z

SUMMARY...HEAVY SNOW IS FORECAST TO DEVELOP NEWD/NWD...AFFECTING
PORTIONS OF LOWER MI THROUGH THE AFTERNOON HOURS. SNOWFALL RATES OF
1.0-1.5 INCHES PER HOUR WILL BE LIKELY.

DISCUSSION...WATER-VAPOR IMAGERY INDICATES A DEFORMATION-ZONE/
COMMA-HEAD STRUCTURE AFFECTING PARTS OF LOWER MI...ASSOCIATED WITH A
DEEP EXTRATROPICAL CYCLONE. AS THIS CYCLONE CROSSES PORTIONS OF THE
LOWER GREAT LAKES AND OHIO VALLEY REGION...PRECIP WILL CONTINUE TO
SPREAD NEWD ACROSS LOWER MI THROUGH THE AFTERNOON. THERE WILL BE A
TENDENCY FOR THE NRN EXTENT OF THIS ACTIVITY TO SHIFT NWD WITH
TIME...AS SFC LOW PRESSURE TO THE S OF THE REGION FURTHER
INTENSIFIES ALONG ITS NEWD TRACK. DEEP SUB-FREEZING PROFILES SAMPLED
BY THE 12Z DTX/APX RAOBS...AND MODESTLY DEEP DENDRITIC GROWTH ZONES
BETWEEN H7 AND H5...IMPLY SNOW BEING THE PREDOMINANT PRECIP TYPE.
FRONTOGENETIC CIRCULATIONS AND RELATED ASCENT SHOULD BE SUFFICIENTLY
STRONG/DEEP TO SUPPORT SNOWFALL RATES OF 1.0-1.5 INCHES PER HOUR
THROUGH THE AFTERNOON -- CONTINUING INTO THE EVENING ACROSS PARTS OF
NERN LOWER MI. LOCALLY STRONG WINDS WILL CREATE BLOWING/DRIFTING
SNOW AND MUCH-REDUCED VISIBILITIES.

..COHEN.. 02/24/2016

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I changed back over to freezing drizzle 18 mins ago and now its nothing again...all the while sitting under moderate dbz returns. There was a nice heavy band coming north towards me that had 46 dbz returns that just vaporized as it got to me...

 

Clouds moving rapidly.

 

EDIT: I can hear the birds chirping outside during this so called winter storm, lol.

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Snow is blowing around more than I thought it would have considering we are near freezing.

I was thinking the same thing here. 

4 inch report from Grant Park in northeast Kankakee County.  Don't know how accurate that is.

Snow having hard time accumulating on the roads around here.

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Fantastic out here. Wind is blowing a lot of the snow. Shoveled a path out the door and within minutes it had a thin cover of snow again. Visibility is prob under 1/4mi with occasional whiteouts. Roads are in rough shape and will only get worse.

 

 

The amount of blowing seems like it's helping the tree/powerline situation some...trees are plastered to some degree but it's not that heavy caked look on every single branch.

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I was thinking the same thing here. 

4 inch report from Grant Park in northeast Kankakee County.  Don't know how accurate that is.

Snow having hard time accumulating on the roads around here.

 

 

Radar estimated precip over .5" there, so it's probably accurate.  I'm over 3" and they had better returns down there earlier.

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Rain mixing in now here, need the low to start moving east some and get the cold air moving back in.

Very defined rain/snow line on dual pol scans. Impressive rates I'm hearing out of northern Oakland.

Any chance of over performing just went right out the window. Oh well, it was nice to have some hope.

Sent from my iPhone using Tapatalk

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Very defined rain/snow line on dual pol scans. Impressive rates I'm hearing out of northern Oakland.

Any chance of over performing just went right out the window. Oh well, it was nice to have some hope.

Sent from my iPhone using Tapatalk

DTX still incorporated the mixing into their latest update if I recall. Map still shows you getting roughly 6 inches total.

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