Weather Alert in Nebraska
Air Quality Alert issued August 1 at 12:01PM CDT by NWS Sioux Falls SD
AREAS AFFECTED: Dixon; Dakota
DESCRIPTION: The following is transmitted in collaboration with the Nebraska Department of Health and Human Services and the Nebraska Department of Environment and Energy... WHAT...Air Quality Alert WHERE...Eastern and Central Nebraska WHEN... 08/01/2025 12:00 PM until 08/02/2025 5:00 PM POLLUTANT...PM 2.5 particulates AIR QUALITY INDEX...Moderate to Unhealthy ADDITIONAL DETAILS... An alert for possible Moderate (Air Quality Index yellow category) to Unhealthy AQI (Air Quality Index red category) due to smoke has been issued for the following Nebraska counties: Adams, Antelope, Blaine, Boone, Boyd, Brown, Buffalo, Burt, Butler, Cass, Cedar, Clay, Colfax, Cuming, Custer, Dakota, Dawson, Dixon, Dodge, Douglas, Fillmore, Franklin, Furnas, Gage, Garfield, Gosper, Greeley, Hall, Hamilton, Harlan, Holt, Howard, Jefferson, Johnson, Kearney, Keya Paha, Knox, Lancaster, Loup, Madison, Merrick, Nance, Nemaha, Nuckolls, Otoe, Pawnee, Phelps, Pierce, Platte, Polk, Richardson, Rock, Saline, Sarpy, Saunders, Seward, Sherman, Stanton, Thayer, Thurston, Valley, Washington, Wayne, Webster, Wheeler, and York, from August 01, 12:00 pm through August 02, 5:00 pm. During Moderate AQI (yellow category) conditions, those who are unusually sensitive to particle pollution may experience health effects. When conditions rise to the yellow category, those who are unusually sensitive are advised to consider shortening outdoor activities and reducing the intensity of these activities. Symptoms such as coughing or shortness of breath are signs to take it easier. During Unhealthy for Sensitive Groups (orange category) conditions, members of sensitive groups may experience health effects. Sensitive groups include people with heart or lung disease, older adults, and children. When conditions rise to the orange category, sensitive groups are advised to reduce prolonged or heavy exertion and avoid intense outdoor activities. During Unhealthy AQI (red category) conditions, some members of the general public may experience health effects and members of sensitive groups may experience more serious health effects. Sensitive groups include people with heart or lung disease, older adults, children and teens, and those who are active outdoors. When conditions rise to the red category, everyone is advised to avoid prolonged or heavy exertion and take more breaks; those in sensitive groups should also plan outdoor activities for morning hours when ozone levels are lower. Smoke from Canadian wildfires may affect the air quality in Nebraska. Smoke levels and wind directions are monitored by Nebraska and other states to predict when impacts to the air quality may occur. Information regarding wildfires and Impacts in Nebraska is available from the Nebraska Department of Water, Energy, and Environment (DWEE) at https://dee.nebraska.gov/wildfires-and- impacts-nebraska. Alerts are based on data available from weather forecasts, smoke plume modeling, satellite imagery, and from air quality monitors located in Omaha, Bellevue, Blair, Lincoln, Beatrice, Grand Island, and Scottsbluff. Advisories for smoke and air quality are issued for affected areas by the Nebraska Department of Health and Human Services (DHHS) and Department of Water, Energy, and Environment (DWEE) and posted on agency webpages and social media sites. By notifying the media and local health departments, alerts help citizens protect their health by informing them of days where outdoor activities should be reduced or avoided to minimize exposure to smoke.
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Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
Weather Topic: What are Stratus Clouds?
Home - Education - Cloud Types - Stratus Clouds
Next Topic: Wall Clouds
Stratus clouds are similar to altostratus clouds, but form at a
lower altitude and are identified by their fog-like appearance, lacking the
distinguishing features of most clouds.
Stratus clouds are wider than most clouds, and their base has a smooth, uniform
look which is lighter in color than a nimbostratus cloud.
The presence of a stratus cloud indicates the possibility of minor precipitation,
such as drizzle, but heavier precipitation does not typically arrive in the form
of a stratus cloud.
Next Topic: Wall Clouds
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