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*** LOCAL (Jacksonville/NE Fl./SE Ga.) IMPACTS FROM THE TROPICS: None
The Atlantic Basin Overview:
(1) A Hurricane WARNING: Jamaica... A Tropical Storm WARNING: South coast of Dominican Republic from Punta Palenque westward to the border with Haiti ... South coast of Haiti from the border with the Dominican Republic to Anse d’Hainault
The strong tropical wave - ‘95-L’ - that moved off the coast of Africa early last week has been rolling west/W/NW & was upgraded to tropical depression #2 Friday afternoon ... tropical storm Beryl Friday evening... & the first hurricane of the Atlantic season Sat. afternoon becoming a ‘major’ Cat. 3 early Sunday. Beryl is shattering the early season record books:
* the first ‘major’ hurricane on record in the month of June east of the Lesser Antilles & the farthest east that a hurricane of any strength has formed in the tropical Atlantic in June beating the old record set in 1933.
* became a Cat. 4 by midday Sunday making the tropical cyclone the strongest known/observed Atlantic hurricane in June on record (since 1851).
* the 3rd earliest Atlantic major (Cat. 3+) hurricane on record, behind Alma (6/8/1966) and Audrey (6/27/1957).
* Cat. 5 status in the 11pm Mon. NHC advisory - the earliest Cat. 5 on record in the Atlantic Basin beating “Emily” on July 17th in the infamous 2005 hurricane season.
Beryl underwent an eyewall replacement cycle - typical for strong hurricanes - Sunday night. Once completed, Beryl intensified quickly again but seems to be leveling off by late Mon. night. Another eyewall replacement cycle (the main eye gives way to a new outer eye that eventually takes over) is possible + increasing mid & upper level wind shear should combine to begin to weaken Beryl upon approach to Jamaica & especially the Western & Northwest Caribbean. How fast that weakening occurs is a very difficult forecast.
The track for Beryl is at least straight forward over the next several days thanks to a rock solid upper level ridge of high pressure to the north. This brings the fast moving hurricane steadily west/northwest across the Caribbean over the next few days. The core of the hurricane stayed south of Barbados, but Beryl was a very tough hit on Grenada & Saint Vincent and The Grenadines. Conditions will improve through Tuesday throughout the Windward Islands.
No impact to Jacksonville or Florida. Heads up Jamaica, Cayman Islands & perhaps Cancun mid to late week a bit either way of July 4th. The forecast models remain in good agreement on a steady track west/northwest through the Caribbean south of Hispaniola to near Jamaica Wednesday to near the Yucatan Peninsula by Friday then over the Bay of Campeche Saturday - a popular spot so far this season. Possible land interaction + the increase in westerly mid & upper level shear later in the week should take Beryl down a few “notches”, but the storm may still be a hurricane near Jamaica & possibly all the way up to/near the Yucatan. The Yucatan looks to be a fork in the road so to speak as forecast models have been trending more northwest, even north/northwest in 5-7 days, so we cannot totally discount an impact on Texas but is not expected to be near as strong as early this week. The exact intensity is problematic & highly uncertain. The overall model trend is for the GFS model to be more north... the European model more south (more westerly long term forward motion)... and the Canadian model in-between (long range landfall over South Texas). All of the models have bounced around a great deal on long term intensity but all agree on a weaker tropical cyclone.
For now... an upper level high remains strong & generally in control from the Southern U.S. eastward across much of the Atlantic. This feature will be the main steering current maintaining the steady west/northwest track. It’s when & if the ridge weakens some - or contracts - that would allow “Beryl” to gain more latitude. In general, the western edge of the ridge looks to erode enough to allow a more northward move over the weekend. That is if Beryl can survive the upcoming strong shear & then land interaction. Continue to stay up to date on the latest forecasts.
Morphed Integrated Microwave Imagery’s from CIMSS shows the rapid strengthening of Beryl over the weekend:
From CIRA (CSU):
West to southwest shear increases dramatically over the Central Caribbean - 35-45+ mph:
An aside: “Beryl” was an early season storm back in 2012 coming ashore in Duval Co. & metro Jacksonville, Florida just below hurricane strength during the weekend of Memorial Day.
(2) Tropical wave - ‘94-L’ was upgraded to tropical depression #3 Sunday afternoon then to tropical storm “Chris” Sunday night followed by a landfall on the Central Mexico coast shortly thereafter. The avg. date for the third named Atlantic storm is Aug. 3rd. Chris will quickly dissipate as the storm moves inland. No impacts to Jacksonville or any of Florida.
(3) Another tropical wave - ‘96-L’ - has come off the coast of Africa but with a decreasing chance for significant development. This wave is following in the footsteps of Beryl but conditions become less favorable the more west this wave gets, & it’s possible this wave will struggle to develop much or at least to be able to maintain much organization. In any case... stay up to date on this system. Yet another tropical wave is moving off the coast of Africa but global models show little development *at this time*.
“Buresh Bottom Line”: * Beryl impacts the Caribbean this week... while moving away from the Central & Southern Lesser Antilles as a powerful hurricane... Jamaica & the Cayman Islands mid-week followed by the Yucatan Peninsula Thu. night/Fri. & then *possibly* a turn more northwest, maybe N/NW from there over the Bay of Campeche & the far Western Gulf of Mexico over the weekend.
* Chris has dissipated while moving inland for Mexico.
* The third wave - ‘96-L’ - may end up farther north than its two predecessors & will certainly need to be monitored though environmental conditions appear to be marginal for much development in the longer range.
Stay up to date on the latest forecasts....
REMEMBER WHEN A TROPICAL STORM OR HURRICANE IS APPROACHING: Taping windows is *not* recommended & will not keep glass from breaking. Instead close curtains & blinds.
Realize the forecast cone (”cone of uncertainty”) is the average forecast error over a given time - out to 5 days - & *does not* indicate the width of the storm &/or where damage might occur.
The upper oceanic heat content (UOHC) [tropical cyclone heat potential/TCHP] across the SW Atlantic, Gulf & Caribbean is unseasonably high for this time of year:
Water vapor loop (dark blue/yellow is dry mid & upper level air):
July tropical cyclone origins (early season breeding grounds are the Gulf &/or Western Caribbean:
Averages below based on climatology for the Atlantic Basin for July (1 hurricane so far, 3 tropical storms):
Wind shear (red - strong shear; green - low shear):
Saharan dust spreads west each year from Africa driven by the prevailing winds (from east to west over the Atlantic). Dry air = yellow/orange/red/pink. Widespread dust is indicative of dry air that *can* interfere with the development of tropical cyclones. However, sometimes “wanna’ be” waves will just wait until they get to the other side of - or away from - the dust plume then try to develop if other conditions are favorable. In my personal opinion, there is way too much “hoopla” about the presence of Saharan dust & how it relates to tropical cyclones. In any case, the peak of Saharan dust typically is in June & July.
2024 names..... “Debby” is the next 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 (the last time this year’s list was used)... Dorian in ’19 & Laura, Eta & Iota in ‘20, Ida in ‘21 & Fiona & Ian in ‘22]). In fact, this year’s list of names is rather infamous because of the ‘04 season when Charley, Frances, Jeanne & Ivan - all retired names - hit Florida within a matter of about 6 weeks. The WMO decided - beginning in 2021 - 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. The colors will brighten greatly as the water warms to greater depths deeper into the season:
Sea surface temp. anomalies:
SE U.S. surface map:
Surface analysis centered on the tropical Atlantic:
Surface analysis of the Gulf:
Caribbean:
Atlantic Basin wave period forecast for 24, 48, 72 & 96 hours respectively:
East & Central Pacific:
West Pacific:
Global tropical activity:
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