776  
WWUS75 KMSO 161944  
NPWMSO  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE MISSOULA MT  
144 PM MDT TUE AUG 16 2022  
 
IDZ007-008-200600-  
/O.NEW.KMSO.HT.Y.0004.220817T1900Z-220820T0600Z/  
OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION-  
1244 PM PDT TUE AUG 16 2022  
 
...HEAT ADVISORY IN EFFECT FROM NOON WEDNESDAY TO 11 PM PDT  
FRIDAY...  
 
* WHAT...TEMPERATURES FROM 100 TO 108 DURING THE DAY ARE EXPECTED,  
WHILE ONLY COOLING TO BETWEEN 65-75 OVERNIGHT IN THE LOWER  
VALLEYS.  
 
* WHERE...CAMAS PRAIRIE, GREER GRADE, HIGHWAY 95 SLATE CREEK TO  
RIGGINS, AND WHITE BIRD GRADE.  
 
* WHEN...FROM NOON WEDNESDAY TO 11 PM PDT FRIDAY.  
 
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES TO OCCUR.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT  
OF THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS. YOUNG  
CHILDREN AND PETS SHOULD NEVER BE LEFT UNATTENDED IN VEHICLES  
UNDER ANY CIRCUMSTANCES.  
 
TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN  
POSSIBLE RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR  
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT  
STROKE. WEAR LIGHTWEIGHT AND LOOSE FITTING CLOTHING WHEN  
POSSIBLE. TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL  
SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT  
REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE  
OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION.  
HEAT STROKE IS AN EMERGENCY! CALL 9 1 1.  
 

 
 

 
 
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