Saginaw Bay area placed under heat advisory

The NWS Weather Prediction Center put much of Michigan under an extreme risk for heat related impacts in their experimental heat risk forecast. The extreme risk is for rare and/or long-duration extreme heat with little to no overnight relief affects anyone without effective cooling and/or adequate hydration. Impacts likely in most health systems, heat-sensitive industries and infrastructure. Graphic courtesy of the NWS Weather Prediction Center

MIDLAND — Potentially dangerous heat is expected to stay in Midland and the Great Lakes Bay Region throughout the week.

The Detroit/Pontiac National Weather Service has issued a heat advisory for the Saginaw Bay area as temperatures are expected to rise into the mid-90s and have heat indexes of up to 100 degrees. This will last from noon on Monday until 8 p.m. on Friday.

The impacts of these temperatures include the possibility of heat illnesses due to exposure to heat and humidity.

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The Detroit/Pontiac NWS explained some of the symptoms of heat related illnesses alongside more at risk age groups. Graphic courtesy of the Detroit/Pontiac NWS

Near record temperatures are forecast throughout the week as Monday will be the hottest with highs approaching 95 degrees in the Midland area, equaling the record of 95 set in 1994. The near-record temps will hold for the start of the week, with highs expected to be near 92 for Tuesday and 94 degrees.

“A building mid-level ridge across the East Coast over the next couple of days will be responsible for the heat across the southern Lakes.” The Detroit/Pontiac NWS said in the daily forecast discussion. “Thermal profiles (with 850mb temps of +19 to +21C) across southern Michigan will be supportive of high temps into the 90s.”

There is also a 30% chance for showers and thunderstorms on Tuesday as well as on Thursday. Some storms could be strong to severe as part of the back side of a mid-level ridge of a high-pressure system.

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“Moderate to possibly high instability with a little bit of mid-level flow along the northwestern side of the ridge will support a chance for a few strong to severe storms both Tuesday and Wednesday,” The Detroit/Pontiac NWS said. “Timing/coverage however remains highly uncertain.

The NWS Weather Prediction Center highlighted some of the impacts of this heat wave in their Sunday, June 16 discussion. Graphic courtesy of the NWS Weather Prediction Center

The back half of the week has temperatures slightly cooler, reaching the low 90s on Thursday and high 80s on Friday and Saturday. A slight cooling trend is forecast for Sunday with temperatures only forecast to reach 82 as a cold front potentially passes through.

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