Blog: Showers and Tropical Humidity Continue!


This morning we traded up one problem for another.  There wasn’t much rain, but we had some thick fog in places.  It slowed down some folks commuting into work.  There is ample moisture in the region.  Dew points are in the low-mid 70s.  That is some oppressive humidity.  Along with the high humidity in the eastern U.S. we also have a couple of stalled out fronts near the region.

These factors will come together to give us some scattered showers today. They will be isolated early, then they will grow to scattered this afternoon.  I put the chance for showers at 50%.  High temps will be in the low 80s with a light southeast wind.  We’ll have more scattered showers tomorrow along with mostly cloudy skies.  I think most of the showers will be in the afternoon.  By Friday we’ll drop the rain chances  to 20% (isolated).  We’ll have a little upper level ridging.  That will also allow the sun to come out more.  The humidity will still be high.  So the result will be a very hot and humid day.  High temps will be in the low 90s.  The heat index will rise to the mid-upper 90s.  Youch!  Over the weekend the upper level energy from the remnants of Alberto (more on that in a moment) will drift east into our region. This will be able to feed off the high humidity.  So we’ll have scattered to occasional showers forming both Saturday and Sunday.   By Sunday a surface low will form.  This will move offshore Sunday into Monday.  That will allow the breeze to pick up out of the northeast.  That in-turn will allow some cooler air to move in.  Highs will be in the 70s.  Maybe even in the low 70s by Monday.  We’ll see.  We should also get some drier air moving in early next week as that low drifts farther offshore.

  Alberto did technically become a “tropical” depression last night.  The showers and storms became more clustered around the center of the system.  So I think that’s why they deemed it a tropical system.  Ironic that it was well inland at the time.

However, the latest satellite is starting to show more of a raggedness to the system.  So it will probably become a remnant low by later today.  Localized flooding is possible near the center today into tomorrow.

Locally we have had a very wet month.  We have had 7.62″ so far for May. This puts us 4.46″ above the average monthly rainfall.  This puts us in as the 8th wettest May on record.  We are up 3.38″ above average for the year.  Speaking of climate…May was the 2nd warmest on record in Norfolk.  Many high temperature records have been broken across the central U.S. over the last couple of days.  Some places in the deep South and Southwest are hitting the 100s already. What will the rest of the Summer bring?

Meteorologist: Jeremy Wheeler

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