MSLP = mean sea level pressure, lower means a stronger storm

SFMR = instrument to measure winds on the ground/ocean, which are usually weaker than at the plane's altitude

kts = knots = multiply by 1.15 to get wind speeds in miles per hour

dropsonde = thing they drop out of the plane to measure wind, temperature, and pressure at different altitudes as it falls

Here's how to read wind barbs: http://weather.rap.ucar.edu/info/about_windbarb.html

You are looking at what will soon be the destruction of thousands of people’s homes by a powerful category 4 hurricane, as a relentless pandemic continues to hold the nation in its grip.