...AIR POLLUTION ALERT FOR DUST FOR RAPID CITY WEST OF THE GAP IN
EFFECT FROM 300 PM MST THIS AFTERNOON UNTIL 500 AM MST SATURDAY
MORNING...

NORTHWEST WINDS WILL INCREASE TO 30 TO 40 MPH WITH GUSTS TO 60 MPH
LATE THIS AFTERNOON. THE WINDS WILL SUBSIDE EARLY SATURDAY MORNING.
THE GUSTY WINDS WILL SUSPEND FINE DUST IN THE AIR OVER WEST RAPID
CITY PRODUCING POOR AIR QUALITY.

THE RAPID CITY AIR QUALITY OFFICE RECOMMENDS THE ELDERLY, YOUNG,
AND ANYONE WITH RESPIRATORY PROBLEMS AVOID EXCESSIVE PHYSICAL
EXERTION AND EXPOSURE TO THE OUTSIDE AIR.

VOLUNTARY ACTIONS TO REDUCE DUST POLLUTION INCLUDE, CEASING OR
REDUCING THE MANIPULATION OF SOIL IN CONSTRUCTION, INDUSTRIAL,
AND AGRICULTURAL ACTIVITIES, AND INCREASING THE USE OF POLLUTION
CONTROLS FOR SOIL STABILIZATION, WASTE PITS, STOCK PILES, AND
CONSTRUCTION
SITES.

&&

HOURLY DUST CONCENTRATIONS ARE AVAILABLE ON THE DENR WEB PAGE
HTTP://DENR.SD.GOV/DES/AQ/AAREALTIME.ASPX

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY...

* WHAT...NORTHWEST WINDS 30 TO 40 MPH WITH GUSTS UP TO 65 MPH.

* WHERE...PORTIONS OF NORTHWESTERN AND SOUTHWESTERN SOUTH DAKOTA.

* WHEN...UNTIL 5 AM MST SATURDAY.

* IMPACTS...THE HIGH WINDS MAY BLOW DOWN LARGE TREES AND DAMAGE
ROOFS, SMALL OUTBUILDINGS, AND SIGNS. POWER OUTAGES ARE
POSSIBLE. TRAVEL COULD BE DIFFICULT, ESPECIALLY FOR HIGH
PROFILE VEHICLES. STRONG WINDS CAN CAUSE BLOWING DUST, REDUCED
VISIBILITY, AND FLYING DEBRIS.

* ADDITIONAL DETAILS...VISIBILITY MAY BE GREATLY REDUCED AT
TIMES DUE TO PERIODS OF FALLING AND BLOWING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PERSONS OUTDOORS SHOULD WATCH FOR FLYING OR FALLING OBJECTS THAT
MAY INJURE YOU. IF YOU ARE DRIVING, BE PREPARED FOR SUDDEN WIND
GUSTS THAT CAN CAUSE YOU TO LOSE CONTROL OF YOUR VEHICLE,
ESPECIALLY ON OPEN STRETCHES, OR AS YOU APPROACH THE CREST OF
HILLS. ALSO BE ALERT FOR DEBRIS OR DUST BLOWING ACROSS THE ROAD.

&&