Rain-Snow line at 1515 UTC just to west of NPOL (from rain scan 1.4
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Rain-Snow line at 1515 UTC just to west of NPOL (from rain scan 1.4 o tilt). RHOHV. Z. Surface Metars 1843 UTC (we are in snow; located at the dot) (note the sustained winds as well; 20-25 kts was typical with gusts above 40);. Plot courtesy of NCAR RAL Weather Page.

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Surface scan 1.4Metars 1843 UTC (we are in snow; located at the dot)

(note the sustained winds as well; 20-25 kts was typical with gusts above 40);.

Plot courtesy of NCAR RAL Weather Page


D3R Ku-band Z and RHOHV at 1827 UTC: Multi-”blob” mixed phase………..We had ice pellets, snow and rain not long before this was collected.


D3R Ku-Band slight wave and southward-sloping upper melt level (early xsect which I did not screen save really showed the precip enhancments along the wave better)


The reason for the “fun”- low level strong, cold northerly flow with strong mid-level, warm, jet over the top. Note bands/wavey enhancements in velocity as well.


Sloping melting layer along the 127.4 northerly flow with strong mid-level, warm, jet over the top. Note bands/o RHI.


I suggest we rename the experiment from northerly flow with strong mid-level, warm, jet over the top. Note bands/IFloodS to:

IFROZE


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