Thursday 24 August 2023

This Day in Weather History - August 24

 August 24, 1975 Afternoon Hail Storm in Winnipeg with Two-Inch Diameter Hail

Severe thunderstorms rolled into Winnipeg around 4 pm on August 24, 1975 after developing south of Brandon earlier in the afternoon. The storms dropped large hail, the size of golf balls, in parts of the city. Two-inch hailstones were reported in East Kildonan and quarter sized hail in Fort Garry. It was reported that the largest hailstones remained on the ground for as long as two hours after the storm. 

A number of windows were broken by the hail and gardens flattened. Cars suffered damage from the hail as well. Strong winds gusting up to 70 km/h damaged or knocked down some trees and power lines in the city. Although, Manitoba Hydro did not report much damage to their equipment in the storms. The winds were strong enough in Fort Garry to overturn a mobile home. Another two homes were also overturned or damaged in Hazelridge, MB just east of Winnipeg. Heavy downpours also flooded some streets and underpasses. Large hail with damage was also reported in the Beausejour, Baldur, Carman and Sanford areas. Crops were damaged by the hail. 

Some rain amounts from the storms included:

Stonewall 33.5 mm
Grosse Isle 31 mm
Stony Mountain 21 mm
Selkirk 15.5 mm
Winnipeg 6 to 14 mm

The storms were part of a low pressure system with an associated cold front, which brought much cooler weather the following day. 

From the Winnipeg Free Press Aug 25, 1975, page 1


From the Winnipeg Free Press Aug 25, 1975, page 3

This post contains information from the Winnipeg Free Press Aug 25, 1975, and the Winnipeg Tribune, Aug 25-26, 1975. Baldur Gazette Aug 27, 1975. 

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