Air Quality and Pollution
The valleys of the Wasatch Front of northern Utah experience their greatest concentrations of nitrogen oxides, carbon monoxide and particulates from November through February. Ozone reaches …
Explore the article
Local knowledge. Wider perspective.
Utah, through
weather.
A place to understand our skies, explore our past, and make sense of a changing climate.
Explore our climate →Southern Utah, storm to sun AI-generated illustration
FOLLOW YOUR CURIOSITY
September11ON THIS DAY
FROM THE UTAH WEATHER ALMANAC · 1847–2006
There’s history in the forecast.
In 1984, a tornado was reported about 10 miles south of Roosevelt near Myton. A car was carried 30 feet by the twister. Two outhouses were knocked over and a pig pen was destroyed. Irrigation pipes were also scattered around the area. In 1988, Milford had its 2nd-earliest snowfall ever. In 2004, a flash flood hit Lund, Iron County.
Read this day in weather history →From the existing UCCW historical collection.
A PLACE TO START
The science behind our skies.
Allergies
Pollen Forecast for your area (via The Weather Channel) Pollen Count (via the Intermountain Allergy and Asthma Clinic)
Explore the articleAnnual Normal Precipitation
Explore the article
PHOTO OF THE DAY · September 11
A wash becomes a flood
Flashflood near Devil’s Canyon at the Globe Copper Mine in Emery County, Utah, on August 26, 2006. The wash was completely dry before the photographer arrived –and this picture was taken thirty minutes after his/her arrival. Photograph by D&J (savy@etv.net); courtesy of ABC4-KTVX Television
D&J
Explore the photo collection →From the historical collection; the feature date is not the date the photograph was taken.FIND YOUR WAY INTO THE COLLECTION
What are you curious about?
BUILT ON SHARED KNOWLEDGE
A changing climate. A growing conversation.
Our understanding grows through observation, evidence, and the people who ask good questions. UCCW brings local expertise together for everyone.
Built on local knowledge. Open to discovery.
A shared resource for students, educators, scientists, and everyone curious about Utah.
Meet the purpose behind the project →