Weather Alert in Michigan
Air Quality Alert issued May 30 at 10:25AM EDT by NWS Northern Indiana
AREAS AFFECTED: Cass; St. Joseph; Branch; Hillsdale; Northern Berrien; Southern Berrien
DESCRIPTION: The Michigan Department of Environment, Great Lakes, and Energy (EGLE) has declared an Air Quality Advisory until 6 AM EDT, for elevated levels of fine particulate (PM2.5) across the state of Michigan. Pollutants within those areas are expected to be in the Unhealthy for Sensitive Groups (USG, Orange AQI) range. The Air Quality Advisory is in effect for the following counties in far southern Michigan... Berrien, Cass, St. Joseph, Branch and Hillsdale. A cold front moving down from Ontario will bring wildfire smoke plumes for fires in the provinces of Manitoba and Saskatchewan into the state. The smoke plumes and associated increased PM2.5 will sink across the state into Saturday morning. Increased vertical mixing associated with the boundary will likely bring smoke to the surface. As a result, we anticipate PM2.5 levels rising into the Unhealthy for Sensitive Groups range across the state. There is a possibility that hourly levels could reach the Unhealthy (Red AQI) range for a short period of time. It is recommended that, when possible, you avoid strenuous outdoor activities, especially those with heart disease and respiratory diseases like asthma. Monitor for symptoms such as wheezing, coughing, chest tightness, dizziness, or burning in nose, throat, and eyes. Reduce or eliminate activities that contribute to air pollution, such as: * outdoor burning, * use of residential wood burning devices. Tips for households: Keep windows closed overnight to prevent smoke from getting indoors and, if possible, run central air conditioning with MERV-13 or higher rated filters. For further information, please see EPA's Air Now site for up-to- date air quality data: https://www.airnow.gov/ For further health information, please see MDHHS's Wildfire Smoke and You Health site: https://www.michigan.gov/mdhhs/safety-injury-prev/environmental- health/your-health-and-wildfire-smoke
INSTRUCTION: N/A
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Weather Topic: What are Altostratus Clouds?
Home - Education - Cloud Types - Altostratus Clouds
Next Topic: Cirrocumulus Clouds
Altostratus clouds form at mid to high-level altitudes
(between 2 and 7 km) and are created by a warm, stable air mass which causes
water vapor
to condense as it rise through the atmosphere. Usually altostratus clouds are
featureless sheets characterized by a uniform color.
In some cases, wind punching through the cloud formation may give it a waved
appearance, called altostratus undulatus. Altostratus clouds
are commonly seen with other cloud formations accompanying them.
Next Topic: Cirrocumulus Clouds
Weather Topic: What are Cirrostratus Clouds?
Home - Education - Cloud Types - Cirrostratus Clouds
Next Topic: Cirrus Clouds
Cirrostratus clouds are high, thin clouds that form above
20,000 feet and are made mostly of ice crystals. They sometimes look like giant
feathers, horse tails, or curls of hair in the sky.
These clouds are pushed by the jet stream and can move at high speeds reaching
100 mph.
What do they indicate?
They indicate that a precipitation is likely within 24 hours.
Next Topic: Cirrus Clouds
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