Monday, June 20, 2011

Welcomed But Brief Respite From Reality

Tomorrow marks the Summer Solstice, the first day of summer when the sun is farthest north-the longest day of the year(daylight wise). 

But for most of the Mid South, summer is in it’s 4th week. May ended very warm and June has been a record-breaking month for parts of the South, especially the SEARK region.  Numerous record-highs have been set and little if any rainfall  over a large portion of the SEARK have made this a memorable and somewhat miserable month.

A respite in the record-breaking drought and heat looks to be in store for us this week.  According to the National Weather Service’s area forecast discussion, a major shift in the upper level pattern will bring in general, cooler temperatures and higher precipitation chances over next seven or more days.  Severe weather cannot be ruled out, especially over the northwest two-thirds of the state. 

GFS_3_2011062012_F84_PCPIN_72_HR

gfs  num model 72-hour  precipitation forecast ending Friday

 

The timing of these storms will be difficult at best, due to outflow boundaries laid down by the first group of storms moving in tonight and tomorrow.  The best chances for rain in our area  look to be tomorrow night. 

A northwest flow aloft will bring with bring chances for storms on and off through the weekend and beyond.  If this comes to fruition, it could spell some much needed drought relief, if you are fortunate enough to be in line with a  MCS (mesoscale convection system).

The 30 day outlook from the Climate Prediction Center is forecasting average, to slightly above average temperatures and average amounts of precipitation for the month of July.  Don’t be surprised to see some tropical development in the Gulf of Mexico either!

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