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*** LOCAL (Jacksonville/NE Fl./SE Ga.) IMPACTS FROM THE TROPICS: None
The Atlantic Basin Overview:
There are no areas of concern through the weekend...
The Saharan dust cloud over the Atlantic has split into two with one “blob” over the SW Atlantic & moving over the Caribbean (but with an imbedded t’storm complex north of Hispaniola) & a second “blob” over the far Eastern Atlantic. It’s not the only reason the Atlantic Basin is quiet, but it helps!
![https://img.particlenews.com/image.php?url=0qtkXx_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=0qtkXx_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=1h42fF_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=1h42fF_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=0PONXM_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=0PONXM_0uXmAzBT00)
The velocity potential anomalies map below shows a lot of sinking air (brown lines) - & a lack of convection - over the Atlantic Basin to the East Pacific while rising air (green lines) is over the West Pacific more convection is notable. Often the green areas (MJO pulse) will correlate with increased tropical activity. So it’s the W. Pacific that will be more active now but this pulse should move eastward by the end of the month into the first two weeks of August helping to see a return to a more active Atlantic.
![https://img.particlenews.com/image.php?url=3p8kix_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=3p8kix_0uXmAzBT00)
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.
![https://img.particlenews.com/image.php?url=2KjQQV_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=2KjQQV_0uXmAzBT00)
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:
![https://img.particlenews.com/image.php?url=05EjK7_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=05EjK7_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=0CHfCj_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=0CHfCj_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=4fkCQG_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=4fkCQG_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=3tDb2k_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=3tDb2k_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=0rZTOS_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=0rZTOS_0uXmAzBT00)
Water vapor loop (dark blue/yellow is dry mid & upper level air):
![https://img.particlenews.com/image.php?url=3TpQuE_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=3TpQuE_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=17Z6mX_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=17Z6mX_0uXmAzBT00)
July tropical cyclone origins (early season breeding grounds are the Gulf &/or Western Caribbean:
![https://img.particlenews.com/image.php?url=24sh7s_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=24sh7s_0uXmAzBT00)
Averages below based on climatology for the Atlantic Basin for July (1 hurricane so far, 3 tropical storms):
![https://img.particlenews.com/image.php?url=0HJFc3_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=0HJFc3_0uXmAzBT00)
Wind shear (red - strong shear; green - low shear):
![https://img.particlenews.com/image.php?url=2xgjuH_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=2xgjuH_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=0ax8al_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=0ax8al_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=1JgKB5_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=1JgKB5_0uXmAzBT00)
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.
![https://img.particlenews.com/image.php?url=0UPO5i_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=0UPO5i_0uXmAzBT00)
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 *.
![https://img.particlenews.com/image.php?url=1TVzTB_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=1TVzTB_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=0vTx9U_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=0vTx9U_0uXmAzBT00)
East Atlantic:
![https://img.particlenews.com/image.php?url=1Mz1ae_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=1Mz1ae_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=1QaXNV_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=1QaXNV_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=1DFDd3_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=1DFDd3_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=3Yq9xK_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=3Yq9xK_0uXmAzBT00)
Mid & upper level wind shear (enemy of tropical cyclones) analysis (CIMMS). The red lines indicate strong shear:
![https://img.particlenews.com/image.php?url=4SdnnL_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=4SdnnL_0uXmAzBT00)
Water vapor imagery (dark blue indicates dry air):
![https://img.particlenews.com/image.php?url=3ViTAu_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=3ViTAu_0uXmAzBT00)
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:
![https://img.particlenews.com/image.php?url=4SsyW4_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=4SsyW4_0uXmAzBT00)
Sea surface temp. anomalies:
![https://img.particlenews.com/image.php?url=2v24NR_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=2v24NR_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=3eUyLw_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=3eUyLw_0uXmAzBT00)
SE U.S. surface map:
![https://img.particlenews.com/image.php?url=3l2Sly_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=3l2Sly_0uXmAzBT00)
Surface analysis centered on the tropical Atlantic:
![https://img.particlenews.com/image.php?url=1DImes_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=1DImes_0uXmAzBT00)
Surface analysis of the Gulf:
![https://img.particlenews.com/image.php?url=2HPG2N_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=2HPG2N_0uXmAzBT00)
Caribbean:
![https://img.particlenews.com/image.php?url=4CwiZp_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=4CwiZp_0uXmAzBT00)
Atlantic Basin wave period forecast for 24, 48, 72 & 96 hours respectively:
![https://img.particlenews.com/image.php?url=36xYSD_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=36xYSD_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=4TRPjK_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=4TRPjK_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=1DJhnM_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=1DJhnM_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=0fGpiV_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=0fGpiV_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=057P3i_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=057P3i_0uXmAzBT00)
East & Central Pacific:
A tropical storm - Aleta - finally developed over the E. Pacific July 4th - the latest on record (of the satellite era). The storm lasted little more than 24 hours & has dissipated.
![https://img.particlenews.com/image.php?url=2elT8F_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=2elT8F_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=2UdDzp_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=2UdDzp_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=2Af8xn_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=2Af8xn_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=2rx0gv_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=2rx0gv_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=20uHtZ_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=20uHtZ_0uXmAzBT00)
West Pacific:
![https://img.particlenews.com/image.php?url=0YVhGh_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=0YVhGh_0uXmAzBT00)
Global tropical activity:
![https://img.particlenews.com/image.php?url=1sqHMd_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=1sqHMd_0uXmAzBT00)
A typhoon may threaten China south of Shanghai by mid to late week:
![https://img.particlenews.com/image.php?url=1WzNLR_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=1WzNLR_0uXmAzBT00)
A tropical storm may impact parts of Vietnam & South Korea by midweek:
![https://img.particlenews.com/image.php?url=2pQYNB_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=2pQYNB_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=1jflRw_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=1jflRw_0uXmAzBT00)
![https://img.particlenews.com/image.php?url=3eODq9_0uXmAzBT00](https://img.particlenews.com/image.php?type=thumbnail_580x000&url=3eODq9_0uXmAzBT00)
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