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March 22-23 Storm Thread: Cabins and Pony-Os?


powderfreak

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  On 3/22/2019 at 4:51 PM, MarkO said:

Snowing at 1100' but it's not accumulating (sinking air off Sandwich range not helping). Looks like accumulations above about 1200-1500'. Temp's been holding at 33.3.

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Mark,  I'm up to 34.4F  Sky is very bright almost can see disk of the sun.  Big parachutes coming down but vis several miles right now.  I don't know when the boundary temps start cooling enough for things to stick again.  Sunsets are so late now surely not expecting anything this PM unless the heavy batch east of Lake Winni can rotate back into the Plymouth area.

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  On 3/22/2019 at 5:04 PM, wxeyeNH said:

Mark,  I'm up to 34.4F  Sky is very bright almost can see disk of the sun.  Big parachutes coming down but vis several miles right now.  I don't know when the boundary temps start cooling enough for things to stick again.  Sunsets are so late now surely not expecting anything this PM unless the heavy batch east of Lake Winni can rotate back into the Plymouth area.

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Ccb just missed you to the NE

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  On 3/22/2019 at 4:29 PM, OceanStWx said:

TROWAL_zpsjns5ifdk.png

Here's a good visualization of the TROWAL Mitch was talking about.

Now the TROWAL exists at many levels (it's a trough of warm air aloft after all), sloped on either side, but a good proxy is usually theta-e on the 700 mb surface. You can see the warmer theta-e temps curling cyclonically around the low (warm conveyor should peel off to the east remember). Heavy precip occurs on the west side of this axis, so I overlaid the regional radar to highlight that is in fact occurring.

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I forgot TT had the x-section option so I've been playing around with it this morning. Here's your TROWAL slope.

nam3km_2019032212_fh5_xsection_43.54N,72.73W_43.36N,70.05W_FGEN,-Theta-e,-Omega.png

 

A little lift here but way below the DGZ and probably even borderline for nucleation. Get that stronger lift higher up and approaching the DGZ and it's off to the races. That monster omega over Tolland is crosshaired and way up at H5-H6.

nam3km_2019032212_fh5_xsection_41.77N,73.40W_42.23N,70.15W_FGEN,-Theta-e,-Omega.png

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  On 3/22/2019 at 4:34 PM, NW_of_GYX said:

long time lurker. back to rain in Bridgton, ME. Shawnee peak closed for the day, wonder if it's worth a skin up this afternoon for some turns. Expect it's snowing up top. 

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Adding another welcome - good to have someone else from the Maine foothills country.  Now we need some peeps from the Rangeley-Greenville-Jackman orbit.  We used to have some folks from the County, but not in recent years.  :(

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  On 3/22/2019 at 5:15 PM, tamarack said:

Adding another welcome - good to have someone else from the Maine foothills country.  Now we need some peeps from the Rangeley-Greenville-Jackman orbit.  We used to have some folks from the County, but not in recent years.  :(

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Really wish we had some posters for that area, The snow can be prolific up there most years and no one knows unless you snowmobile the region.

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  On 3/22/2019 at 5:05 PM, LongBeachSurfFreak said:

Had some good 1”+ hour rates going at 1900’ with about 6” down. It has since lightened up as the ccb oscillates 

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Are you at base of Stratton with that 6" report at 1900ft?

Have 2" here.   Literally no accumulation below 900ft, not even on the grass.

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