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The last name on this season’s Atlantic list has now been used. A combination of a bunch of short term storms this year (8 were “alive” for less than 48 hours) + “non-conventional” (quick to pull the trigger, in other words) manner in which NHC now names storms has led to the 3rd year (2005 & 2020) in which all names have been used up. Wanda will be a “fish storm” in the truest sense ..... as in “A Fish Called Wanda” (??).
WANDA: The last advisory was issued Sunday morning as the system has become a post-tropical low accelerating to the northeast over the far N. Atlantic.
And low pressure has moved well northeast of Jacksonville east of the Carolina’s. Some subtropical characteristics seem to be evident on satellite imagery. A very high/dangerous rip current risk will continue at area beaches along with rough seas & surf from Fl. to the South & North Carolina coasts.... along with strong & gusty winds. The low will continue to move northeast over the Western & Central Atlantic before turning more eastward later in the week.
Otherwise.... there are signs that a fall upper level weather pattern is taking hold across the N. Hemisphere & Atlantic Basin. The result may be that the Atlantic tropical season is seriously winding down. Any tropical development will likely be more out to sea over the broad Atlantic with a tendency to move east & northeast away from the U.S.
Saharan dust. Dry air - yellow/orange/red/pink. Widespread dust is indicative of dry air that can impede the development of tropical cyclones. However, sometimes “wanna’ be” waves will just wait until they get to the other side of the plume then try to develop if everything else happens to be favorable. In my personal opinion, way too much is made about the presence of Saharan dust & how it relates to tropical cyclones.
2021 names..... “Wanda” was the last name on the Atlantic list (names are picked at random by the World Meteorological Organization... repeat every 6 years... historic storms are retired [Florence & Michael in ’18... Dorian in ’19 & Laura, Eta & Iota in ‘20]). “Adria” is next. Last year - 2020 - had a record 30 named storms. The WMO decided - beginning this year - that the Greek alphabet will be no longer used & instead there will be a supplemental list of names if the first list is exhausted (has only happened three times - 2005 & 2020 & 2021). The naming of tropical cyclones began on a consistent basis in 1953. More on the history of naming tropical cyclones * here *.
East Atlantic:
Mid & upper level wind shear (enemy of tropical cyclones) analysis (CIMMS). The red lines indicate strong shear:
Water vapor imagery (dark blue indicates dry air):
Deep oceanic heat content over the Gulf, Caribbean & deep tropical Atlantic & remains pretty impressive late in the season from the Central/NW Caribbean into the Gulf of Mexico:
Sea surface temp. anomalies:
SE U.S. surface map:
Surface analysis centered on the tropical Atlantic:
Surface analysis of the Gulf:
Caribbean:
GFS wave forecast at 48 & 72 hours (2 & 3 days):
Atlantic Basin wave period forecast for 24, 48 & 72 hours respectively:
The East Pacific:
Tropical cyclone to stay over the open E. Pacific into next week....
West Pacific IR satellite:
Global tropical activity:
Cox Media Group
"low" - Google News
November 07, 2021 at 10:05PM
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Talking the Tropics With Mike: Low over the Western Atlantic - WOKV
"low" - Google News
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