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Air Quality Alert Message
San Joaquin Valley Air Pollution Control District
relayed by the National Weather Service - Hanford CA
251 PM PDT Mon Aug 21 2017
The Air Quality Alert that was issued by the San Joaquin Valley
Air Pollution Control District for Merced county, Madera county
and Fresno county remains in effect through Wednesday.
The Air Quality Alert that was issued by the Mariposa county
Air Pollution Control District for Mariposa county has been
extended through Wednesday. This alert specifically applies
to the area in and around Wawona.
Smoke from the South Fork wildfire will continue to impact the
above referenced counties through midweek.
Exposure to particle pollution can cause serious health problems,
aggravate lung disease, cause asthma attacks and acute
bronchitis, and increase risk of respiratory infections.
Residents are advised to use caution as conditions warrant.
People with heart or lung diseases should follow their doctors
advice for dealing with episodes of unhealthy air quality.
Additionally, older adults and children should avoid prolonged
exposure, strenuous activities or heavy exertion, as conditions
For additional information, go to www.valleyair.org or call your
local San Joaquin Valley Air District office.
Modesto 209-557-6400, Fresno 559-230-6000
For additional information in Mariposa County, go to
http://www.mariposacounty.org/index.aspx?nid=1434 or call
$$Special Weather Statement
Sierra Nevada from Yosemite to Kings Canyon CA-
558 PM PDT TUE AUG 22 2017
...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL TUOLUMNE COUNTY
UNTIL 645 PM PDT...
At 558 PM PDT, Doppler radar was tracking a strong thunderstorm 12
miles northeast of Rancheria Falls Wilderness Campground. This storm
was nearly stationary.
Nickel size hail and winds in excess of 40 mph will be possible with
Locations impacted include...
Pacific Crest Trail.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
LAT...LON 3816 11958 3816 11955 3815 11955 3814 11951
3804 11954 3803 11970 3812 11971 3815 11963
TIME...MOT...LOC 0058Z 105DEG 3KT 3812 11961