Friday, May 25, 2012

Cool Friday, Some Weekend Sizzle...

Good Morning!

After a warm and breezy day yesterday, we'll be a touch cooler as a cold front moves though the area.  Memorial Day weekend is shaping up to be a hot one, with temperatures around 90 or better, and heat indexes pushing triple digits.  One deeper dive coming up!

TEMPERATURES:  Today we stay seasonably mild, with temperatures in the low 80's and dewpoints that stay in the 50's, so it will feel a bit damp, but not too bad.  After that, temperatures, humidity and dewpoints all start going up, making for a steamy holiday.  Heat index values Memorial Day will be right around 100!  After that, temperatures fall off dramatically with readings rolling back into the high 60's!?

RAIN:  The National Weather Service is thinking that the rain for the next few days will track north of us here in South Central Michigan.  We are forecast to pick up around a half inch of rain between now and 8AM Wednesday.  Here's the map from the NWS:


Regarding timing, there will be a chance of showers and storms each day for the next few days, with the best chance at thunderstorms on Sunday.  At this point we shouldn't see severe storms, but due to a juicy air mass with lots of moisture, it's a good bet that any storms that do fire could be strong.

SEVERE WEATHER:  Yesterday in the forecast I mentioned that the Storm Prediction Center had already identified a severe storm risk for Memorial Day that involved this part of the world.  I also told you that it was nothing to be overly concerned with yet, as that was still a ways out.  At least for now, don't worry about it.  That bullseye has disappeared and shifted further west.  Just the regular "general" risk for storms for Michigan today and a 5% chance tomorrow.  Here's those maps, valid at 8AM each day:



Any storms that form after today will be strong, as moister air works it's way in here from the south, pushing dew points well into the 60's.

Here's a look at the visible satellite image with just a few high clouds on it:


Grand Rapids NEXRAD radar is quiet at this hour.

Here's the local forecast for Jackson and surrounding communities including Spring Arbor and Pleasant Lake.

Today, periods of clouds and sunshine, high 81, winds become NW 8-15 MPH.

Tonight, a mix of clouds and stars, low 58, winds become NE 6-12 MPH.

Saturday, mostly cloudy skies with a few peeks of sunshine, perhaps the chance of a isolated shower or pop-up thunderstorm in the afternoon, warmer and more humid, high 84, winds 
NE 5-10 MPH.

Saturday night, still mainly cloudy, humid, lows only down to 64 with ESE winds 5-10 MPH.

Sunday, mostly sunny with a few passing clouds, hot and humid, high 92, heat index values will approach 100.

Memorial Day, more clouds than sun, continued sticky with a chance of showers and thunderstorms, high 91.

Tuesday, cloudy skies and much cooler with a chance of scattered to numerous showers and thunderstorms, high only 76.

Wednesday, mostly sunny skies, cooler, high 68.

That's a look at your forecast for the next six, days, I do hope you have a good Friday!  Blessings.

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