A hot and humid airmass enveloping the region produced heat indices near or exceeding 100F over much of the west and portions of central Upper Mi from the 20th into 21st.
Every event with a place to put it; 13 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS MQT wrote it up.
A hot and humid airmass enveloping the region produced heat indices near or exceeding 100F over much of the west and portions of central Upper Mi from the 20th into 21st.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Marquette, MI wrote its last area forecast discussion before the first event at Jun 20, 6:44 AM EST, 5 hours 16 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
13 excessive heat. Local standard time, as filed.
Estimated heat indices soared to 95 to 105F across northern Houghton County on the afternoon of the 20th and stayed above 80F through the evening hours.
Estimated heat indices were in the 100F to 105F range both days across the county and stayed above 80F through the evening hours on the 20th.
Estimated heat indices were between 95F and 105F across the county on the afternoon of the 20th and stayed above 80F through the evening hours.
Estimated heat indices were between 95F and 100F across the county on the afternoon of the 20th and stayed above 80F through the evening hours.
Heat indices ranged between 95F and 105F across the county on the afternoons of the 20th and 21st and stayed above 80F through the evening hours of the 20th.
Heat indices soared above 100F across the county on the afternoon of the 20th and stayed above 80F through the evening hours.
Maximum heat indices were in the 95F to 100F range across the county on the afternoons of the 20th and 21st and stayed above 80F through the evening hours of the 20th.
Heat indices ranged between 100F and 105F across the county on the afternoons of the 20th and 21st and stayed above 80F through the evening of the 20th.
Heat indices ranged between 100F and 105F across the county on the afternoons of the 20th and 21st and stayed above 80F through the evening of the 20th.
Estimated heat indices soared above 100F across the county on the afternoon of the 20th and stayed above 80F through the evening hours.
Estimated heat indices were between 95F and 105F across the county on the afternoon of the 21st and stayed above 80F through the evening hours.
Estimated heat indices were between 95F and 100F across the interior portion of the county on the afternoon of the 21st and stayed above 80F through the evening hours.
Estimated heat indices were between 95F and 100F across the county on the afternoon of the 21st and stayed above 80F through the evening hours.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Michigan in 2022Every state in 2022This day in weather historyWarnings in Michigan, June 2022
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 1029593, 1029594, 1029597, 1029598, 1029599, 1029591, 1029596, 1029600, 1029603, 1029592, 1035111, 1035112, 1035113.