[1] Early on August 7, the National Hurricane Center (NHC) began to monitor the disturbance, noting the possibility of tropical cyclogenesis in the coming days.
[7][1] By 12:00 UTC that day, Hurricane Hunters Reconnaissance aircraft failed to discover a well-defined or persistent circulation, signifying the depression's reabsorption into its parent wave.
[10] The next day, however, convection associated with the wave began to diminish, though started wind shear to become more favorable, land interaction with Central America halted further development.
[11] By August 14, shower and thunderstorm activity returned to normal, however, further organization was halted as the wave crossed through northeastern Nicaragua and eastern Honduras the following day.
[14] By 12:00 UTC the next day, surface observations and radar data depicted a better-defined circulation, with the NHC estimating the regeneration of Tropical Depression Seven occurred around this time.
[1] Early on August 18, satellite observations depicted a deteriorating cloud pattern, despite a well-defined circulation and environmental conditions conducive for development.
[22] The system also brought increased moisture and shower activity to Belize, with rain peaking at around 0.75 inches (19.05 mm) in northern parts of the country.
[23] Upon reformation, the Government of Mexico issued a Tropical Storm Warning from Barra de Naulta, Veracruz to La Cruz, Tamaulipas.
[25] As Helene approached land, the Sistema Nacional de Protección Civil (SINAPROC) declared a red alert for southern Tamaulipas and northern Veracruz.
[26] Personnel from civil protection programs were stationed in the municipalities of Pueblo Viejo, Tampico Alto, and Pánuco to monitor weather conditions and provide aid to residents.