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HUMBERTO Current Status

Current Wind Speed 35 knots / 40 MPH

Max Predicted Wind Speed 95 knots / 110 MPH at 2025-09-29T18:00:00.000Z

Current Watches/Warnings / Radar / Satellite

HUMBERTO Land Hazards

HUMBERTO Tracker

HUMBERTO Satellite Loop

HUMBERTO Alternate Tracking Map

HUMBERTO Spaghetti Models

Spaghetti models for HUMBERTO can be found here:

HUMBERTO spaghetti models page »

HUMBERTO Watches and Warnings

Tropical Storm HUMBERTO Tropical Cyclone Update

Tropical Storm HUMBERTO Public Advisory

387 
WTNT33 KNHC 242034
TCPAT3
 
BULLETIN
Tropical Storm Humberto Advisory Number   1
NWS National Hurricane Center Miami FL       AL082025
500 PM AST Wed Sep 24 2025
 
...TROPICAL STORM HUMBERTO FORMS IN CENTRAL TROPICAL ATLANTIC...
 
 
SUMMARY OF 500 PM AST...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...20.1N 54.9W
ABOUT 550 MI...885 KM ENE OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...WNW OR 300 DEGREES AT 15 MPH...24 KM/H
MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES
 
 
WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 500 PM AST (2100 UTC), the center of Tropical Storm Humberto was
located near latitude 20.1 North, longitude 54.9 West. Humberto is
moving toward the west-northwest near 15 mph (24 km/h). A 
west-northwest to northwest motion is expected over the next 
several days with a slower forward speed.
 
Maximum sustained winds are near 40 mph (65 km/h) with higher gusts.
Steady strengthening is forecast during the next several days.
 
Tropical-storm-force winds extend outward up to 45 miles (75 km)
from the center.
 
The estimated minimum central pressure is 1008 mb (29.77 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
None
 
 
NEXT ADVISORY
-------------
Next complete advisory at 1100 PM AST.
 
$$
Forecaster Kelly

Public Advisory not available for this storm.

Tropical Storm HUMBERTO Forecast Discussion

641 
WTNT43 KNHC 242035
TCDAT3
 
Tropical Storm Humberto Discussion Number   1
NWS National Hurricane Center Miami FL       AL082025
500 PM AST Wed Sep 24 2025
 
Satellite data indicates that Invest 93L over the central tropical 
Atlantic has now developed into Tropical Storm Humberto. Visible 
satellite imagery shows that throughout the day, the low-level 
center has become well-defined, with persistent and organized deep 
convection mainly located over the eastern side of the system. 
Subjective Dvorak intensity estimates from TAFB and SAB were both 
data-T/2.5 35 kt. DPRINT and DMINT Objective intensity estimates 
from UW-CIMSS range from 31 to 35 kt. Using these data, the 
initial intensity is set to 35 kt.

The system is estimated to be moving west-northwestward at 300/13 
kt, but this is of low confidence since the center has only recently 
formed.  A west-northwestward to northwestward motion is 
anticipated through the next several days along the southwestern 
periphery of a mid-latitude ridge. Towards the end of the forecast 
period, an approaching trough moving offshore the east coast of the 
United States will erode the ridge and allow the system to turn more 
northward. However, there is quite a bit of uncertainty with the 
forward speed and cross-track spread of the system. This is 
increasingly apparent beyond day 3 as there are complex steering 
components with timing differences in the global models, including 
the approaching trough and potential binary interaction with Invest 
94L. The NHC track forecast lies near the consensus aids given some 
of these uncertainties, and there is lower than normal confidence in 
the track forecast.

The storm is within a favorable environment for strengthening with 
warm sea surface temperatures near 29C and moist mid-level RH 
values. The system will be dealing with some moderate westerly wind 
shear for the next day or so that will likely cause an asymmetric 
storm structure. EC and GFS SHIPS guidance depict the shear slightly 
weakening in the day 2 to 4 time frame, and with increasing 
divergence aloft, a slightly greater rate of strengthening is shown 
at that time. The latest NHC forecast follows these trends and lies 
near the consensus intensity aids. 
 
 
FORECAST POSITIONS AND MAX WINDS
 
INIT  24/2100Z 20.1N  54.9W   35 KT  40 MPH
 12H  25/0600Z 20.9N  56.0W   40 KT  45 MPH
 24H  25/1800Z 21.6N  57.0W   45 KT  50 MPH
 36H  26/0600Z 22.0N  57.5W   50 KT  60 MPH
 48H  26/1800Z 22.5N  58.2W   55 KT  65 MPH
 60H  27/0600Z 22.9N  59.0W   60 KT  70 MPH
 72H  27/1800Z 23.6N  60.6W   70 KT  80 MPH
 96H  28/1800Z 26.0N  64.3W   90 KT 105 MPH
120H  29/1800Z 29.1N  67.1W   95 KT 110 MPH
 
$$
Forecaster Kelly

HUMBERTO storm path from NHC

Time	Speed	Location	Status
2025-09-24T21:00:00.000Z	35 knots	20.1, -54.9
2025-09-25T06:00:00.000Z	40 knots	20.9, -56.0
2025-09-25T18:00:00.000Z	45 knots	21.6, -57.0
2025-09-26T06:00:00.000Z	50 knots	22.0, -57.5
2025-09-26T18:00:00.000Z	55 knots	22.5, -58.2
2025-09-27T06:00:00.000Z	60 knots	22.9, -59.0
2025-09-27T18:00:00.000Z	70 knots	23.6, -60.6
2025-09-28T18:00:00.000Z	90 knots	26.0, -64.3
2025-09-29T18:00:00.000Z	95 knots	29.1, -67.1

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