August 28, 1991 Record Heat and Strong Winds
A low pressure system moving into southwestern Manitoba brought a stiff southerly wind and hot temperatures to southern Manitoba on August 28, 1991. It was part of a three-day heat wave from the 27th to 29th. Temperatures were hottest on the 28th, reaching record values above 37°C. Winnipeg reached a record 37.1°C. Portage la Prairie was the hotspot at 37.8°C.
Strong southerly winds throughout the day brought wind gusts over 90 km/h. Winnipeg Airport gusted up to 95 km/h at 2:16 pm. At least the wind helped provide some relief for those out in the heat. I have not been able to find much information about the day, so cannot confirm whether there was any damage from the wind. One disadvantage of the hot and dry wind was its effect on wild fires in eastern Manitoba. August had been a very dry month. In fact, it was the 3rd driest on record in Winnipeg with a measly 6 mm of rain. The wind also reportedly caused some blowing dust.
The strong winds helped keep temperatures very warm at night. Winnipeg Airport had a daily low of 24.0°C, the second warmest on record in August and tied 6th warmest of all time since 1872.
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| Weather forecast map for noon on August 28, 1991, by the WinnipegFree Press page 32 |
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| From the Winnipeg Free Press August 29, 1991, page 1 |
This post contains information from the Winnipeg Free Press and ECCC.
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