Weekend cool off, wild swings coming next week – warmth then snow

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WARMEST IN NEARLY 2 WEEKS

What an open to the weekend  – sunshine and a southerly breeze brought a huge temperature turnaround to central Indiana Friday.  The afternoon high of 55° was the warmest since February 22nd (55°) and only the fourth time this year above 50°  The week started with a frigid afternoon high of 18° on Monday and climbing to a late March level this afternoon.  A few locations south reached 60°.  This marked the 4th time this year of 50° or higher – compared to last year same time we had 12 days of 50s and 60s.

Madis_Temps

Early Friday afternoon temperatures

high today

High Friday afternoon

WARM UP PARTY ENDS

A cold front will pass through the city early Saturday morning ending this run on milder air.  Clouds have arrived late Friday night – the chance of a few spotty showers could develop during overnight hours.  The front is expected to pass the city around sunrise shifting winds and bringing a much cooler day.  The slow-moving, sagging front will also continue to bring the chance of rain and snow showers though mid Saturday morning especially north of the city.  High temperatures will lover in the middle 40s for Saturday – below the normal of 48° Saturday and Sunday.

Satellite_Radar

Cold front arrives early Saturday morning

FRONT RETURNS MONDAY: A WARM FRONT

The spring-like surge of warmer air is expected here to open the work week with southerly winds ushering in potentially the warmest air of the year!  60° warmth is expected here Monday and possibly Tuesday before a new storm system begins to take shape.

EURO FCST Monday Temps 3-10

European forecast model High temperatures Monday

STORM POTENTIAL CONTINUES FOR WEDNESDAY

The trusted European computer model has for the 5th straight day carried a significant low pressure system cutting through the Ohio and Tennessee Valley Wednesday bringing a real snow storm potential.  The colder northern branch of the jet stream could “phase” or marry with the wetter southern branch of the jet stream developing a powerful low pressure system that would race up the eastern seaboard.  The US GFS model is still lagging behind on such a scenario but experience has proven that this model will catch on in about a 3-4 day period.  Stay tuned – things could be very interesting starting Wednesday morning

EURO Wed 3-7-2014

European computer model forecast surface map Wednesday 7 AM