Tropical Depression Nine Discussion Number   2
NWS National Hurricane Center Miami FL       AL092026
1000 PM CDT Tue Oct 06 2026

The convective organization of the depression has not changed much 
since the prior advisory. Much of the associated deep convection is 
displaced slightly to the north of the estimated surface center, but 
recently a new convective burst has emerged closer to this location. 
The initial intensity is held at 30 kt for now, consistent with the 
latest T2.0 Dvorak classification from TAFB. An ASCAT-C pass is 
expected to arrive shortly after this advisory issuance and will be 
helpful in reassessing the position and intensity of the system.

The depression is moving slowly eastward (080/4 kt) within weak 
steering currents to the south of an upper trough over the 
southeastern United States. The track models are in good agreement 
that the system should move eastward to east-northeastward through 
Thursday while passing to the north of the Yucatan Peninsula. While 
the center is forecast to remain well offshore, its passage will 
likely produce gusty winds and heavy rainfall for portions of the 
Yucatan Peninsula. A turn toward the northeast and north is 
predicted by Friday as the system moves within the flow between a 
shortwave trough over Texas and a strengthening ridge over the 
western Atlantic. There remains significant along- and cross-track 
spread in the track guidance regarding this northward turn, with the 
AI-based models on the right side of the envelope and generally 
faster than the physics-based guidance. The updated NHC forecast is 
slower than the previous one from 48-96 h to bring it closer to the 
latest corrected consensus (HCCA), but remains on the fast and right 
side of the latest models. Users should closely monitor forecast 
updates given the below-average confidence in this forecast.

High oceanic heat content, moist mid-levels, and upper-level 
divergence should allow the compact system to intensify during the 
next few days. The only limiting factor appears to be southwesterly 
vertical wind shear, which is forecast to strengthen later this week 
as the system approaches the northern Gulf Coast. Most skillful 
models show the system becoming a hurricane over the central Gulf, 
and the latest forecast shows a similar rate of intensification and 
peak intensity as the prior forecast, generally following the more 
aggressive Google DeepMind and HCCA aids. Due to strong shear, it is 
likely that the system peaks in strength before reaching the coast 
as a hurricane. The cyclone is also expected to grow in size as it 
approaches the northern Gulf Coast, and the anticipated convective 
and motion asymmetries will likely cause rain and wind impacts to 
extend far from the center on the eastern side of the storm.


Key Messages:

1. There is an increasing risk of dangerous wind and storm surge
impacts along portions of the northern Gulf Coast, and watches could
be required on Wednesday. Residents from Louisiana to the Florida
Panhandle should closely monitor the latest forecast updates and
ensure they have their hurricane plan in place.

2. The system will bring areas of heavy rainfall to the central U.S. 
Gulf coast Friday into the weekend. Flash and urban flooding, along 
with isolated river flooding, will be possible.

3. Yucatan Peninsula of Mexico: The depression is expected to
strengthen and could bring gusty winds and areas of heavy rain to
the western portion of the Yucatan Peninsula in a couple of days.


FORECAST POSITIONS AND MAX WINDS

INIT  07/0300Z 22.1N  95.0W   30 KT  35 MPH
12H  07/1200Z 22.2N  94.2W   40 KT  45 MPH
24H  08/0000Z 22.5N  92.7W   50 KT  60 MPH
36H  08/1200Z 23.2N  91.1W   60 KT  70 MPH
48H  09/0000Z 24.3N  89.7W   75 KT  85 MPH
60H  09/1200Z 26.1N  88.7W   85 KT 100 MPH
72H  10/0000Z 28.8N  88.3W   85 KT 100 MPH
96H  11/0000Z 34.1N  88.8W   30 KT  35 MPH...INLAND
120H  12/0000Z 39.0N  86.0W   20 KT  25 MPH...POST-TROP/INLAND

$$
Forecaster Reinhart