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Snow showers diminish with slow warming trend, resurgent cold next week

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SNOW SHOWERS TUESDAY AFTERNOON

March sunshine went to work on this unseasonably cold air Tuesday.  The afternoon sun and some influence of the departing snow storm combined to produce afternoon snow showers.  The snow showers at time brought sleet and brief drops in visibility.  The snow showers will diminish around sunset.

Level 2

Scattered Snow
Showers Tuesday

HISTORIC SNOW STORM

After tracking the snow storm for a little more than a week, it sure lived up to its billing.  The forecast of 6″ to 10″ through the heart of the state developed as expected.  Officially 9.1″ of snow fell Sunday and Monday in Indianapolis.  This one storm practically equaled all the snow that fell here last winter (9.8″).  The record books have been rewritten.  No time in the history of record keeping has this much snow fallen so late in the season.  Snowfall for the month has hit 14.5″ and places March 2013 as the fourth snowiest on record.  Snowfall for the season is now 35.5″,  which is 9″ above normal and 3.5 times more than last year!

mar257amsnowfall

Storm total snowfall

CHILL EASES – WARMING TREND THROUGH EASTER

Afternoon high temperatures have struggled under the influence of this large blocking pattern.  The chill will ease through the workweek and afternoon temperatures are likely to crack the 50° mark again late in the week and into the weekend.  It is not a pattern buster but temperatures that are running 15 to 20 degrees below normal will rebound to just shy of normal Sunday.  The 39° high Tuesday marked the 15th straight day below normal.

COLD “GREENLAND BLOCK” NOT BREAKING

The blocking pattern that developed  back on Feb. 15 is showing no signs of letting up.  The bubble of warm air over the North Atlantic reaches into Greenland and north to the North Pole.  This setup forces cold air south into the eastern U.S. and brought about the colder than normal stretch.  Thirty-four of the past 40 days (85 percent) have been below normal.  This “Greenland Block” looks to hold on over the next 2.5 weeks.  While the chill eases over the next few days, resurgent cold air is forecasted early next week.  Showers and milder air Sunday will be swept away as an unseasonably  strong cold front settles through the state again Monday night.

Greenland Block

Blocking pattern won’t quit

HINTS OF A SOUTHERN TRACKING STORM SNOW NEXT WEEK?

The U.S. and European long-range forecast charts are hinting at another southern low next week after colder air dives in  There is a signal but at this distance only a hint.  Bears watching.

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