Live updates for this post has ended, as the ITCZ and Tropical Wave 22 has now moved out of the area.
7:30 PM Wednesday 17th July 2019
An isolated thunderstorm north of the Maracas Valley is weakening as it progresses north of Trinidad with light to moderate showers across the North Coast of Trinidad.
Further east, scattered showers and isolated thunderstorms are approaching Eastern Trinidad, likely to move across Northeastern Trinidad and the northern half of Trinidad over the next 1-2 hours. Showers and thunderstorms are fairly slow-moving this evening so there is an increased risk of street flooding, particularly across Northeastern Trinidad communities.
An isolated cluster of showers is affecting parts of Southwestern Trinidad, including Debe, Penal, Siparia, and environs.
For the remainder of the Southern half of Trinidad, partly to mostly cloudy skies may be interrupted by an isolated shower, but no significant rainfall is forecast.
Across Tobago, isolated to scattered showers, generally light to moderate are to continue.
This activity is forecast to persist overnight.
5:30 PM Wednesday 17th July 2019
A line of moderate to heavy showers is moving across Eastern Trinidad presently, forecast to move across the remainder of Trinidad over the next 1-2 hours. Scattered light showers ongoing across Tobago.
Street flooding possible.
4:00 PM Wednesday 17th July 2019
Most floodwaters in previously reported areas have subsided. The fallen tree partially blocking Old Milford Road in Tobago has been cleared.
Showers have subsided across the Southern half of Trinidad, with lingering isolated showers across parts of Northern Trinidad and some isolated to scattered showers approaching Tobago.
3:10 PM Wednesday 17th July 2019
Showers and thunderstorms are beginning to move out of our area, with light to moderate showers lingering across parts of Western, Northern and Eastern Trinidad, as well as Tobago.
Additional light to moderate showers is possible through the evening into the night as the ITCZ continues to affect the region.
Isolated to scattered showers and possible thunderstorms are in the forecast for Thursday, particularly by late morning through the afternoon. Street/Flash flooding possible.
3:00 PM Wednesday 17th July 2019
Flash flooding ongoing in Barrackpore. Street flooding subsiding in San Fernando. Street Flooding ongoing across parts of Northwestern Trinidad.
2:45 PM Wednesday 17th July 2019
Street flooding still ongoing, but subsiding across much of the city of San Fernando. Expect traffic delays.
Street and flash flooding are ongoing across parts of Northwestern Trinidad as rainfall rates up to 140 millimeters per hour have occurred, dumping upwards of 40 millimeters of rainfall in less than 30 minutes.
2:30 PM Wednesday 17th July 2019
A fallen tree partially blocking Old Milford Road, Tobago between the Bailey Bridge at Lambeau and Abattoir, Tobago. The roadway is partially blocked, resulting in one way traffic.
Motorists are advised to exercise caution when approaching the area.
2:15 PM Wednesday 17th July 2019
Flooding remains ongoing across parts of San Fernando and environs, with areas reporting between 3-4 feet of floodwaters.
Smaller vehicles are not recommended to traverse the Golconda Connector Road and surrounding roads near VMCOTT.
Light to moderate rainfall is ongoing across parts of Southern and Central Trinidad, as well as Tobago, while a line of moderate to heavy showers and thunderstorms are along the Northern Range.
Street/Flash flooding likely across the North, favoring northwestern Trinidad. Gusty winds, lightning also possible.
2:00 PM Wednesday 17th July 2019
Significant street flooding ongoing near VMCOTT, Golconda, San Fernando as heavy rainfall affects the area.
1:45 PM Wednesday 17th July 2019
Street flooding has rendered parts of Piedmont Blvd. impassable with vehicles stuck in floodwaters, near VEMCOTT. Avoid area if possible. Flooding also reported in Gasparillo.
1:30 PM Wednesday 17th July 2019
Street flooding has been reported across parts of San Fernando and environs, Princes Town and environs and Debe and environs.
Most, if not all, flood-prone areas in the above cities are experiencing flooding, including Blanch Frazer Street, Scott Street, Todd’s Street and Cipero Street in San Fernando, various areas along the Manahambre Road in Princes Town, the S.S. Erin Road in Debe, the Golconda Connector Road in Golconda, and Union Hall, Marabella.
This type of flooding typically occurs in flood-prone areas that have inadequate drainage or rainfall that temporarily overwhelms the drainage capacity.
1:00 PM Wednesday 17th July 2019
Several areas across San Fernando and Princes Town, Southern Trinidad are experiencing street flooding. Please do not travel into flooded roadways. Delay travel until rainfall subsides, at least for the next hour or so.
Very low visibility is occurring with heavy rainfall across Southern Trinidad.
1:00 PM Wednesday 17th July 2019
Heavy showers and thunderstorms are moving across mainly Southern Trinidad. Heavy to violent rainfall rates are occurring with frequent lightning and thunder and wind gusts in excess of 40 KM/H.
Street flooding is likely, mainly across Southern Trinidad as rainfall continues through the afternoon.
Very frequent lightning is occurring, mainly across Southern Trinidad with over 1,700 lightning strikes detected in the last hour as of 1:00 PM, with 877 strikes being dangerous cloud to ground lightning.
12:00 PM Wednesday 17th July 2019
Right on schedule, showers and thunderstorms are moving westward across Eastern Trinidad, with an isolated thunderstorm affecting parts of Southwestern Trinidad.
Locally heavy rainfall, thunder, lightning and street flooding possible.
As of 12:02 PM, in the last 5 minutes, 35 lightning strikes were detected with 16 of these strikes being dangerous cloud-to-ground lightning.
11:00 AM Wednesday 17th July 2019
Showers and thunderstorms over the last several hours have generally remained across coastal waters of T&T.
By midday, showers and isolated thunderstorms are forecast to move across T&T from the southeast as the ITCZ and the hind leg of Tropical Wave 22 affects the islands.
8:00 PM Tuesday 16th July 2019
Back-to-back tropical waves, the ITCZ is forecast to move across Trinidad and Tobago over the next 48 hours.
Intermittent, scattered showers are likely across Trinidad mainly on Wednesday with isolated thunderstorm activity, gradually moving across to the Northern half of Trinidad and Tobago into Thursday.