Tag Archives: Tropical Cyclones

Hurricane Maria strengthens to Category 4 hours before landfall


Hurricane Maria, September 18, 2017. The eye is expected to move through the Leeward islands late this afternoon or this evening. A Hurricane Warning is in effect for Guadeloupe, Dominica, St. Kitts, Nevis, and Montserrat, Martinique, St. Lucia, and U.S. Virgin Islands, British Virgin Islands
Captions and Image source:NHC / NOAA

Excerpts;

Hurricane Maria became an extremely dangerous Category 4 storm on Monday afternoon as it barreled towards Dominica in the Caribbean’s Leeward Islands..

Its first landfall is expected around 8 p.m. ET in the northeast Caribbean’s Leeward Islands — specifically Dominica and Martinique…

Additional strengthening is forecasted during the next 24 to 36 hours, and Maria is expected to be an extremely dangerous major hurricane during the next couple of days…

Read Full Article, CNN (09-18-2017)

Hurricane Maria Public Advisory; NHC (09-18-2017)
MARIA BECOMES AN EXTREMELY DANGEROUS CATEGORY 4 HURRICANE…
Additional strengthening is forecasted during the next 24 to 36 hours, and Maria is expected to be an extremely dangerous major hurricane during the next couple of days.
Hurricane-force winds extend outward up to 25 miles (35 km) from the center…
A dangerous storm surge accompanied by large and destructive waves will raise water levels by as much as 6 to 9 feet above normal tide levels in the hurricane warning area near where the center of Maria moves across the Leeward Islands and the British Virgin Islands.
The combination of a dangerous storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline.

Ouragan Maria : la Martinique placée en alerte cyclonique maximale; Le Monde(09-18-2017)
Le NHC a mis en garde contre de « dangereuses marées de tempête » accompagnées de « vagues destructrices » dans le sillage de Maria, avec une montée des eaux qui pourrait atteindre jusqu’à 2,7 mètres au-dessus de la normale.
Selon la préfète, Maria est un « cyclone d’eau » et le risque principal sont les inondations, avec des prévisions de précipitation entre 100 et 400 ml d’eau (équivalentes à celles dues au passage d’Irma)…

How Irma unfolded: the hurricane by the numbers


Meteorologists struggled to find the right words to describe the situation as a line of three hurricanes—two of them major and all of them threatening land—brewed in the Atlantic basin in September 2017. Captions and Image source: NASA

Excerpts;

Irma set several meteorological records, with 37 hours of sustained 185mph winds in the Caribbean. Here’s a look at some more of the key figures…

Read Full Article, Guardian UK (09-11-2017)

Irma’s final phase: Flooding in the Southeast is biggest concern


Hurricane Irma, September 10th, 2017. Heavy rain and hurricane-force winds battered both the east and west coasts of southern Florida, even though the eye of the monstrous storm made landfall in the southwestern part of the state. Seas were rising with storm surges as far north as Charleston, South Carolina. Captions and Image source: NASA

Excerpts;

Both storm surge and inland flooding, which cause the majority of deaths in tropical cyclones, remain a risk over the Southeast states…

Read Full Article, The Washington Post (09-11-2017)

Why storm surge is a hurricane’s greatest threat, CNN (09-09-2017)

What is storm surge and why is it so dangerous? Phys.Org (09-09-2017)
Forecasters warn that the storm surge from Hurricane Irma could reach 15 feet (4.5 meters) along parts of the Florida coast in the coming hours.Here are some facts about storm surge and what makes it so dangerous…

Why storm surge is a hurricane’s greatest threat


Hurricane Irma. Image source: NASA

Excerpts;

Hurricane Irma could bring a potentially deadly storm surge, now expected to be 15 feet, when the storm passes along tthe entire west coast of Florida…

Read Full Article, CNN (09-09-2017)

What is storm surge and why is it so dangerous? Phys.Org (09-09-2017)
Forecasters warn that the storm surge from Hurricane Irma could reach 15 feet (4.5 meters) along parts of the Florida coast in the coming hours.Here are some facts about storm surge and what makes it so dangerous…

Curfews imposed, millions evacuate as Irma descends on Florida; ABC News (09-09-2017)
Florida Gov. Rick Scott called the storm unprecedented, andstressed the dangers of what he called a “deadly, deadly, deadly storm surge…”