Tropical Depression Gonzalo Dissipates, Warnings Discontinued for Tobago

Tropical Storm Warning Discontinued

The Trinidad and Tobago Meteorological Service has discontinued the Tropical Storm Warning for Tobago at 2:00 PM, based on the National Hurricane Center’s advisory.

“Tropical storm Gonzalo has been downgraded to a Tropical depression. Most activity associated with the depression has already passed Tobago and Tropical Storm conditions are no longer expected. However, lingering moisture and instability may still produce a few showers and the odd thunderstorm.” according to the TTMS.

Moisture will linger in the area, with isolated showers and thunderstorms forecast for Sunday.

Trinidad and Tobago is NOT under any tropical storm threat, watch, or warning.

The color of the alert indicates the severity of the event and the probability of the event occurring. Currently, the alert level is at Green, as the Discontinuation was issued.

Image Credit: Trinidad and Tobago Meteorological Service
Image Credit: Trinidad and Tobago Meteorological Service
Image Credit: Trinidad and Tobago Meteorological Service. Adverse Weather Alert Discontinuation.
Image Credit: Trinidad and Tobago Meteorological Service

Tropical Storm Gonzalo Weakened To A Tropical Depression, Then Dissipated.

At 2:00 PM, Tropical Storm Gonzalo weakened to a Tropical Depression as it moved to the northwest of Trinidad. At 5:00 PM, the National Hurricane Center issued its last advisory on the tropical cyclone as the system degenerated into a remnant low-pressure system.

At 5:00 PM AST, the remnants of Gonzalo were located near latitude 11.0 North, longitude 63.0 West. The remnants of Gonzalo are forecast to move generally westward across the southern Caribbean for the next couple of days.

Maximum sustained winds are near 35 MPH (55 KM/H) with higher gusts. Gusty conditions associated with squalls will be possible as the remnants of Gonzalo move westward. The estimated minimum central pressure is 1011 millibars.

Remnants of Tropical Storm Gonzalo/Tropical Depression Gonzalo as of 5:00 PM AST Saturday 25th July 2020. (National Hurricane Center)
Remnants of Tropical Storm Gonzalo/Tropical Depression Gonzalo as of 5:00 PM AST Saturday 25th July 2020. (National Hurricane Center)

Watches & Warnings

Remnants of Tropical Storm Gonzalo/Tropical Depression Gonzalo as of 5:00 PM AST Saturday 25th July 2020. (National Hurricane Center)

There are no watches or warnings in effect from this system. The government of Trinidad and Tobago has canceled the Tropical Storm Warning for Tobago and Grenada at 2:00 PM.

Hazards Affecting Land

Winds associated with Tropical Storm Gonzalo/Tropical Depression Gonzalo as of 5:00 PM AST Saturday 25th July 2020. (National Hurricane Center)
Winds associated with Tropical Storm Gonzalo/Tropical Depression Gonzalo as of 5:00 PM AST Saturday 25th July 2020. (National Hurricane Center)

WIND: Gusty conditions associated with squalls will be possible across portions of the southern Caribbean as the remnants of Gonzalo move westward during the next couple of days.

RAINFALL: The remnants of Gonzalo are expected to produce additional rainfall amounts of 1 to 2 inches, and isolated storm total amounts of 4 inches over far northeastern Venezuela through this evening. The system is also expected to produce 1 to 2 inches of rain over the Leeward Antilles and the remainder of far northern Venezuela. This includes Aruba, Bonaire, and Curacao.

Remnants of Gonzalo Forecast Discussion

Gonzalo’s structure has degraded further since the last advisory. Late-arriving ASCAT data showed a well-defined tropical wave with winds around 30 kt, but no clear evidence of a closed circulation. Grenada reported max winds of 28 kt with a gust to 40 kt, in line with the ASCAT observations, while multiple observing stations in Trinidad did not report any westerly winds as the system passed. There has been no evidence of a well-defined center in visible imagery since that time. Given the additional degradation of Gonzalo’s appearance since it moved closest to those islands, it appears that the system has opened into wave and dissipated. Therefore, this will be the last advisory issued by the National Hurricane Center.

Tropical squalls associated with the remnants of Gonzalo will continue to move westward for the next day or so and could bring gusty winds and heavy rain to portions of the southeastern Caribbean. Please consult products from your national meteorological service for information specific to your area.

Forecast Discussion by Forecaster Zelinsky from the NHC.

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