It’s Not so Much the Heat, It’s the Humidity that’ll Kill You

Click for larger image.

No, I did not simply re-use a photo from this past weekend, although I easily could have.  Blizzard Warnings are now in effect from DC to New York City.  In terms of snow, we’ve probably only had about 4-5 inches to this point (9AM), but it’s incredibly difficult to measure in these strong winds.  The nation’s capital is essentially shut down for the third day in a row.

Unlike last weekend, this event will not be limited to the DC-Baltimore-Philly corridor.  In fact, the largest effects will probably be felt from Baltimore northward to New York City and, potentially, Boston.  Also unlike the previous storm, this particular storm was much more difficult to forecast.  Uncertainty in the exact timing and track of this storm resulted in forecasters jumping back and forth in predictions.  One computer model run would suggest that DC metro would received relatively little snow; the next model run would suggest a foot of snow.  The same can be said for places like NYC and Boston.  This back-and-forth continued right up to the beginning of the storm and really forced forecasters to use their “nowcasting” skills in which they use the current conditions of the storm to “predict” how the storm may behave in the next several hours.  It’s very much “old school” meteorology in the sense that you’re almost looking at the sky to make predictions.

While blizzard conditions will be felt along the East Coast, snow has fallen across a large part of the country in association with this storm, which at one time was two separate storms in the northern and southern Plains.  This list of snowfall totals includes 21 different states by my count (a count that was done quickly, I might add).  It does not include the southwest states that were affected by the southern system before it exited into the Plains, so you can argue another 3-5 states should be included.

And the fun might not be over.  Right now, it appears this active weather pattern will continue for the next week or so making it possible another round of snow could move through the South and up the East Coast at some point.  There are predictions for lighter snow to move through the southern states from Texas to South Carolina tomorrow and Friday.  However, that system is expected to simply exit the Carolina coast and continue out to sea.  Of course, we’ll keep watch just to be sure.

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