Weather Advisory 3-26-21

Posted on Friday, March 26, 2021

Strong Thunderstorms Possible; Dense Marine Fog Likely



  • Strong thunderstorm wind gusts could move loose outdoor objects and potentially cause damage.
  • Outdoor activities may be delayed or cancelled from strong thunderstorms.
  • Sensitive spring plants may be injured by frost late next week.
  • Difficult marine navigation likely, especially along shallow near-shore waters. 

Forecast Confidence

  • Medium

Weather Summary

A series of passing fronts today through this weekend will bring chances for unsettled weather for the Carolinas. An approaching cold front will bring chances for isolated severe thunderstorms for Friday afternoon and early evening.  Warm moist air moving over the coastal waters will bring dense marine fog today through at least this weekend. Thunderstorms are also possible Saturday, but no severe thunderstorms are expected at this time. A strong cold front will arrive Sunday, which will bring chances for scattered severe thunderstorms Sunday evening into the early Monday morning hours. Above normal temperatures continue this weekend before a cool down Monday.


Timing and Strength

  • Today
  • High temperatures reaching the low to mid 80s inland; upper 70s near the coast.
  • Isolated severe thunderstorms possible with a damaging wind threat (threat level 1 of 5) this afternoon/evening.
  • Dense marine fog could bring visibilities as low as 1/2 mile over the coastal waters.  Difficult navigation will result this weekend.
  • Gusty south/southwest winds today as high as 30 mph, shifting to the west tonight. 
  • Saturday
  • Mostly cloudy with warm temperatures continuing.  
  • Chances for thunderstorms through the day; no severe thunderstorms expected at this time.
  • Dense marine fog will continue.
  • Sunday
  • Mostly cloudy with warm temperatures continuing.  
  • An approaching strong cold front will bring chances for scattered severe thunderstorms (threat level 2 of 5) late Sunday into early Monday morning.
  • Gusty south/southwest winds shifting to the northwest late Sunday as high as 30 mph.  
  • Total Rainfall through Sunday night between 0.25" and 0.50"
  • Dense marine fog will continue.
  • Outlook for next week
  • Temperatures fall into the mid 60s, closer to normal for late March. 
  • Warmer weather returns through mid to late week.
Potential for low temperatures to drop into the mid 30s Thursday night into next Friday morning. Frost possible that may impact plants.

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