Weather Alert in Minnesota
Air Quality Alert issued May 12 at 11:56PM CDT by NWS Duluth MN
AREAS AFFECTED: North St. Louis; Northern Cook/Northern Lake; Central St. Louis
DESCRIPTION: * WHAT...The Minnesota Pollution Control Agency has issued an Air Quality Alert for fine particle pollution. The Air Quality Index (AQI) is expected to reach the Orange or Unhealthy for Sensitive Groups category. * WHERE...Portions of northeast Minnesota including northern St. Louis, central St. Louis, and Inland Lake and Cook counties. The areas most likely to experience smoke impacts include Brimson, Isabella, Babbitt, Ely, and portions of the Boundary Waters Canoe Area Wilderness. * WHEN...Through 3 PM CDT Tuesday. * IMPACTS...Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, may experience health effects. * ADDITIONAL DETAILS...The Camp House Fire, Jenkins Creek Fire, and Munger Shaw Fire are ongoing across northeastern Minnesota. Crews are responding with full suppression using ground resources and aircraft. Gusty southerly winds will become more southeasterly Tuesday. This will transport the smoke plume north and northeast from the ongoing fires. Smoke will continue to impact areas near and downwind of the fires. Smoke from these fires has been observed as far north as the Canadian Border.
INSTRUCTION: Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, should limit prolonged or heavy exertion. Follow all safety instructions from local emergency management officials. Evacuation orders issued for St. Louis County can be found at https://sheriff-slcgis.hub.arcgis.com/pages/wildfire For information on current air quality conditions in your area and to sign up for daily air quality forecasts and alert notifications by email, text message, phone, or the Minnesota Air mobile app, visit https://www.pca.state.mn.us/air/current-air- quality. You can find additional information about health and air quality at https://www.pca.state.mn.us/air/why-you-should-care- air-quality-and-health
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Weather Topic: What is Condensation?
Home - Education - Precipitation - Condensation
Next Topic: Contrails
Condensation is the process which creates clouds, and therefore
it is a crucial process in the water cycle.
Condensation is the change of matter from a state of gas into a state of liquid,
and it happens because water molecules release heat into the atmosphere and
become organized into a more closely packed structure, what we might see as
water droplets.
Water is always present in the air around us as a vapor, but it's too small for
us to see. When water undergoes the process of condensation it becomes organized
into visible water droplets. You've probably seen condensation happen before on the
surface of a cold drink!
Next Topic: Contrails
Weather Topic: What are Cumulonimbus Clouds?
Home - Education - Cloud Types - Cumulonimbus Clouds
Next Topic: Cumulus Clouds
The final form taken by a growing cumulus cloud is the
cumulonimbus cloud, which is very tall and dense.
The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although
most commonly they stop growing at an altitude of 6 km.
Even small cumulonimbus clouds appear very large in comparison to other cloud types.
They can signal the approach of stormy weather, such as thunderstorms or blizzards.
Next Topic: Cumulus Clouds
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