Major Spring Storm Blizzard Plains Severe Weather Rain Here Sunday Monday
Major Spring Storm Blizzard Plains Severe Weather
Rain Here Sunday Monday
Ice Risk Inland Sunday?
The entire nation is basically being ruled by a major spring storm developing in the Central Plains. Blizzard Warning are raging across several states along with high winds, fire danger, flood potential, and numerous winter storm warnings and watches. Severe weather will be a big player tonight and for the entire weekend as the cold front from this storm moves eastward.
The ingredients are all there for a serious severe weather outbreak tonight in the Lower & Middle Mississippi Valley. The risk area will shift eastward late Saturday and Saturday night to the Ohio Valley south to the Central Gulf States and Sunday night to the Middle Atlantic & Southeast US down to all of Florida. Here of course we are enjoying a well deserved warm up today and on Saturday as temperatures approach 80 in some places. Saturday afternoon and evening a cold front comes in from the northeast to put an end to the warm weather and then we look to Sunday. High pressure from Eastern Canada will be pushing cold air southward at the low levels of the atmosphere and by Sunday morning areas from Northwest New Jersey & Northeast Pennsylvania northeast to the Hudson Valley and interior Connecticut. This opens the door to the possibility of temperatures dropping to near or even slightly below freezing in these areas and there is the possibility of a bit of icing developing in some areas from sleet and even some freezing rain!
NAM TEMPERATURES SUNDAY APRIL 15, 2018 8AM
At the very least the temperature change between Saturday & Sunday will be as much as 40 degrees in some areas. Note the 32 degree line and models don’t move this much all day Sunday into Sunday night. In fact it actually gets a little colder inland during the day on Sunday.
NAM MODEL TEMPERATURE FORECAST SUNDAY APRIL 15 2018 8PM
Moist air coming in from off the Atlantic will bring precipitation to the area and we have to consider the risk for some icing inland where temperatures will be 32 or less. When we look at the NAM snow forecast map, rather than look at this literally, the shaded areas could certainly indicate the southern extent of possibly icing.
Heavy rains will follow later Sunday night into Monday as low pressure and the strong cold front approach. Rainfall amounts of 2 to 3 inches will be common before this is all said and done later Monday afternoon.
NAM RAINFALL FORECAST ENDING MONDAY EVENING APRIL 16, 2018
We will watching the backdoor front very closely as well as the magnitude of the cold air as it moves southward Saturday night. Hard to imagine a warm up to near 80 and a drop to the low 30s in 12 hours time followed by either a bone chilling rain or even the idea of ice especially in mid April but is it really a surprise considering the kind of spring we have had?
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