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"The meteorological history of Hurricane Florence spanned 22 days from its inception as a tropical wave on August 28, 2018, to its dissipation on September 18. Originating from a tropical wave over West Africa," - Maybe refrain from mentioning the tropical wave in the first sentence so there's not repetition in the second one?
"Initially being inhibited by increased wind shear and dry air, the small cyclone took advantage of a small area of low shear and warm waters." - Link wind shear. Change the second instance to upper-level winds to avoid repetition?
"After achieving hurricane strength early on September 4, an unexpected period of rapid deepening ensued through September 5, culminating with Florence becoming a Category 4 hurricane on the Saffir-Simpson scale." - Dangling participle here. The unexpected period of rapid deepening didnt attain hurricane strength, Florence did.
"Training rainbands produced prolific, record-breaking rainfall across North and South Carolina throughout this period." - link rainband.
"Surface pressures on the island fell to 1005 mbar (hPa; 29.68 inHg) at 18:00 UTC." - Do we care?
"Steady development marked the system's intensification." - Eh? Do we need this?
"Satellite intensity estimates indicated Florence achieved maximum sustained winds of 60 mph (95 km/h) by 09:00 UTC on September 2" - link Dvorak technique.
"Considerable uncertainty in the forecast for Florence arose, as weather models began to depict various different solutions." - Various and different are synonymous.
"However, the system unexpectedly rapidly organized within a small area of low wind shear." - The previous sentence said shear was moderate. Things may get a little technical here, but if I remember correctly, the issue was that the grid size that SHIPS was using to analyze wind shear was picking up on higher values from the nearby trough that weren't actually reaching the imminent vicinity of Florence. See if you can find the source for that and work it in here.
"The hurricane's core structure, eye, and outer banding improved markedly, catching forecasters off-guard and intensifying beyond model outputs." - It's not wrong to say a hurricane's core structure intensified, but it is weird to say that the eye did.
"The extent of hurricane-force winds doubled in size and well-defined mesovortices rotated along the inner eyewall." - Link mesovortices.
"A Potential Tropical Cyclone is a storm system that is not yet a tropical cyclone but is anticipated to produce tropical storm or hurricane conditions on land within 48 hours." - Worth noting that confidence in formation is required too.
