Administrators NorthGeorgiaWX Posted January 11 Administrators Share Posted January 11 MD 0044 CONCERNING HEAVY SNOW FOR PORTIONS OF NORTHERN IDAHO INTO EXTREME WESTERN MONTANA Mesoscale Discussion 0044 NWS Storm Prediction Center Norman OK 1125 AM CST Thu Jan 11 2024 Areas affected...portions of northern Idaho into extreme western Montana Concerning...Heavy snow Valid 111725Z - 112030Z SUMMARY...Heavy snow should continue for at least a few more hours, with 1-2 inch/hr snowfall rates common. Reduced visibility is likely in the heavier snow bands. DISCUSSION...A low-level cyclone is drifting southeast across the Idaho Panhandle into extreme western Montana as a mid-level impulse traverses the International border, providing deep-layer ascent. Latest mesoanalysis and RAP forecast soundings characterize vertical profiles as near saturated, with deep-layer steep lapse rates, supporting a sufficiently deep and moist dendritic growth zone to support continued 1-2 inch/hr snowfall rates given strong lift in place. Latest high-resolution guidance suggests that at least brief bouts of heavy snow and perhaps reduced visibility should continue through at least 21Z. ..Squitieri.. 01/11/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...MSO...OTX... LAT...LON 46821614 47311678 47791724 48091710 48401652 48321593 47821523 47331468 46911470 46791560 46821614 Read more View the full article Quote Link to comment Share on other sites More sharing options...
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