The DC Region Needs Rain… Potential Increasing Late Next Week.

An area of low pressure and strong upper-level disturbance (vorticity max) may deliver some much needed rainfall across the Washington Region late next week.  The image above (courtesy Tropical Tidbits) shows the latest GFS model with a 500-mb vorticity max (dark red colors moving from near St. Louis MO, toward the DC Region) possibly approaching our area Thursday into Friday of next week.

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A Closer Look at this Evening’s Window of Opportunity for Fireworks

The latest HRRR (High Resolution Rapid Refresh) model shows light rain developing into a steadier rain during the day today with the potential for a break in the action this evening.

The following image (courtesy Tropicaltidbits.com) is a “future cast” from now until 11PM this evening.

  • Notice steadier rain moving north out of central Virginia into Northern Virginia, DC and Maryland.

July4th_HRRR

A closer look at the time frame between 8PM and 11PM:

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