Two tornadoes in Newfoundland

An NTP investigation has confirmed that two tornadoes occurred on Newfoundland's northern coast on August 24. One them remained as a waterspout over the Gulf of St. Lawrence during its lifetime. The other began as a waterspout over the Gulf but came ashore, causing some light damage. Details are provided in the summaries below, along with a map.


Event Name: Gulf of St. Lawrence (Green Island Cove), NL

Date: August 24, 2023

Estimated Start Time: 2:45 PM NDT (1715 UTC) 

Final Classification: Tornado (Over Water)

Final EF-Scale Rating: EF0-Default 

Estimated tornado location: 51.41N, 56.68W

Description: Witness in the Green Island Cove area captured a photo of a tornado over the Gulf of St. Lawrence. No damage reported. Start time is estimated and may be updated (along with estimated location) when additional details from the witness have been confirmed.


Event Name: Point Riche, NL

Date: August 24, 2023

Estimated Start Time: 7:50 PM NDT (2220 UTC)

Final Classification: Tornado (over land)

Preliminary EF-Scale Rating: EF0

EF-Scale Damage Indicator / Degree of Damage: C-SFLF/DOD-2

Estimated tornado location: 50.697N, 57.410W

Description: Witnesses in the Port au Choix area captured photos of a waterspout over the Gulf of St. Lawrence that came ashore at Point Riche. Several picnic tables were damaged. Preliminary damage assessment is EF0 tornado, with estimated max. wind speed of 110 km/h. Information available insufficient to accurately estimate track length, max. path width and tornado motion.


Map of Newfoundland showing the locations of the two tornadoes from Aug 24.