Thursday March 18  2021

The large storm complex dominant the eastern US has brought us bands of rain all day, but we remain on the cold side of things. That is why we should not have a risk of severe storms in our region. However there will be some increased lift ahead of the Low Pressure passing through central Maryland, which will bring more heavy rain, and a slight chance for thunder in some areas.

Afternoon Surface Weather

 

March 18 weather Thursday afternoon

 

 

 

Satellite Loop

The large circulation located over Illinois, but the bulk of energy is with the line of storms from central Florida to North Carolina.

 

March 18 weather storm satellite

 

Severe Storm Outlook

A ‘Marginal’ Risk included Southern Maryland in this morning’s report.

March 18 weather severe storm outlook

 

Afternoon Temperatures 

At 2 PM, most of the region remained in the upper 40s to lower 50s. Slightly warmer air was located from Salisbury to southern Delaware.  It is not much, but might be just enough to help support some thunderstorms there this evening.

 

March 18 weather temperatures afternoon

 

Radar Simulation —> slider

HRRR Model

6 PM to 10 PM: Window for heavier rain and possible thunder. 

 

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Thunderstorm Potential: K- Index
Often 30 is used as a baseline, but a better chance is often with levels 35 or higher. Here we see that is across Southern Maryland and Delmarva.
There may still be a small chance to hear a rumble of thunder between Washington, Annapolis, and Baltimore.
March 18 weather storms K Index
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14 Local Maryland Pages (and York PA)

We have made a page for Maryland Weather which gives you the current conditions for 14 present area locations.

Local Hourly Forecasts and Local Radar
Central Maryland

Baltimore

Annapolis

Bel Air

Carroll County/Westminster

Delmarva

Easton

Salisbury

Ocean City

Dover DE

Southern Maryland

Patuxent River 

Washington DC

 

Pennsylvania

York

 

National Weather Service Adds Maryland Cecil And Garrett Counties

 

 

 

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