000
WTPZ42 KNHC 230900
TCDEP2
 
Hurricane Vance Discussion Number   8
NWS National Hurricane Center Miami FL       EP222026
300 AM CST Fri Oct 23 2026
 
Satellite imagery indicates that Vance has become increasingly well 
organized during the past several hours, with deep convection 
wrapping tightly around the inner-core region. Recent microwave 
imagery confirms this improvement in the inner-core, showing a 
complete convective ring surrounding the center. The subjective 
Dvorak intensity estimate from TAFB was T4.5/77 kt, with objective 
aids recently exceeding 70 kt. Given these estimates and the 
improved satellite presentation, the initial intensity is raised to 
75 kt, making Vance a Category 1 hurricane.
 
Vance has turned north-northwestward (330/5 kt) and should maintain 
this general heading as the ridge to the north weakens in response 
to an upper-level trough over the southwestern United States. The 
track guidance remains in relatively good agreement through about 60 
h. Thereafter, the trough is forecast to shift eastward, leaving 
Vance in a region of weak steering currents and resulting in 
increasing cross-track spread among the model solutions. 
Consequently, forecast confidence during this period remains lower 
than normal. The NHC track forecast remains largely unchanged from 
the previous advisory and lies close to the GDMI and HCCA aids.
 
Rapid intensification appears to be underway, and environmental 
conditions are expected to remain favorable for additional 
strengthening, characterized by warm SSTs, low vertical wind shear, 
and plenty of mid-level moisture. RI is expected to continue during 
the next 24 h, bringing Vance to major hurricane status by tonight. 
Thereafter, Vance is forecast to encounter cooler sea surface 
temperatures, likely due to upwelling caused by recent tropical 
cyclones, along with increasing vertical wind shear. These factors 
should limit further strengthening and support gradual weakening by 
the end of the forecast. The NHC intensity forecast remains similar 
to the previous advisory and lies near the upper end of the model 
guidance through much of the forecast period.
 
 
FORECAST POSITIONS AND MAX WINDS
 
INIT  23/0900Z 10.9N 102.1W   75 KT  85 MPH
 12H  23/1800Z 11.5N 102.5W   85 KT 100 MPH
 24H  24/0600Z 12.4N 103.0W  100 KT 115 MPH
 36H  24/1800Z 13.4N 103.4W  100 KT 115 MPH
 48H  25/0600Z 14.5N 103.8W   90 KT 105 MPH
 60H  25/1800Z 15.6N 104.0W   90 KT 105 MPH
 72H  26/0600Z 16.4N 104.4W   90 KT 105 MPH
 96H  27/0600Z 17.0N 104.6W   90 KT 105 MPH
120H  28/0600Z 17.8N 104.7W   75 KT  85 MPH
 
$$
Forecaster Pierce/Gibbs