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MLK 2022 Storm Potential


stormtracker
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It didnt make much difference for us yet, but this was the first run of the NAM where it went the other way and had a less aggressive push of the warm layer.  Also a slightly better h5 and surface initially.  Baby step...we would need a couple more adjustments like this to see much benefit though.  

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NAM Nest is trending to an all out ice storm with very little snow. It would actually be a legit ice storm north and west of the Piedmont as depicted. South of the fall line would be basically a marginal winter event before rising above freezing. If that holds, forecasts will need to be changed drastically. Not going to pull the trigger yet, but the NAM Nest is good at these events once inside 36 hrs. Will be something to monitor. 

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5 minutes ago, MillvilleWx said:

NAM Nest is trending to an all out ice storm with very little snow. It would actually be a legit ice storm north and west of the Piedmont as depicted. South of the fall line would be basically a marginal winter event before rising above freezing. If that holds, forecasts will need to be changed drastically. Not going to pull the trigger yet, but the NAM Nest is good at these events once inside 36 hrs. Will be something to monitor. 

2008 redux?

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2 minutes ago, Amped said:

Don't look at the NAM positive snow depth change map.

Don't even need to.

8 minutes ago, Deck Pic said:

3k holds the column at DCA until maybe 8 pm.....so the 0.08" of liquid that falls before then should be all snow....get your trashcans prepped

Don't worry, the extra 0.17" or so of sleet/ZR will be immediately washed away by the following torrent of rain at 37 degrees.

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12 minutes ago, MillvilleWx said:

NAM Nest is trending to an all out ice storm with very little snow. It would actually be a legit ice storm north and west of the Piedmont as depicted. South of the fall line would be basically a marginal winter event before rising above freezing. If that holds, forecasts will need to be changed drastically. Not going to pull the trigger yet, but the NAM Nest is good at these events once inside 36 hrs. Will be something to monitor. 

I have no doubts the warm layer will blast through this area with no trouble...but I have to think the NAM is way overdone overall.  It's really indicating not much snow anywhere...flipping everyone to ice even to the NW edges of the storm.  I have never seen that before when a cold airmass in place in January and a surface track east of the blue ridge.  To change over all the way into western PA?   

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