805  
FNUS63 KUNR 210842  
RFDUNR  
 
RANGELAND FIRE DANGER STATEMENT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
242 AM MDT THU SEP 21 2017  
   
DISCUSSION
 
DRY AND BREEZY WEATHER IS EXPECTED TODAY. HIGH  
TEMPERATURES WILL RANGE FROM AROUND 70 NORTHWEST SD TO AROUND 90  
IN SOUTH CENTRAL SD. THE MINIMUM RELATIVE HUMIDITY WILL RANGE  
FROM AROUND 30 PERCENT IN NORTHWEST SD TO AROUND 20 PERCENT IN  
SOUTHWEST SD. SOUTHWESTERLY WINDS OF 10 TO 20 MPH, WITH GUSTS TO  
30 MPH WILL SHIFT NORTHWEST BEHIND AN ADVANCING COLD FRONT.  
 
SDZ027-041>043-220000-  
SOUTHERN FOOT HILLS-FALL RIVER-OGLALA LAKOTA-JACKSON-  
INCLUDING THE CITIES OF EDGEMONT, HOT SPRINGS, ARDMORE, OELRICHS,  
PINE RIDGE, OGLALA, KYLE, AND KADOKA  
242 AM MDT THU SEP 21 2017  
   
..EXTREME FIRE DANGER
 
 
THE GRASSLAND FIRE DANGER INDEX WILL REACH THE EXTREME CATEGORY  
THIS AFTERNOON. EXTREME WEATHER CONDITIONS OR A VERY LOW MOISTURE  
CONTENT OF GRASSES, AND OTHER DRY ORGANIC MATERIAL ON THE GROUND,  
INDICATE THAT CRITICAL BURNING CONDITIONS EXIST. A FIRE WILL  
START EASILY AND HAS THE POTENTIAL TO BECOME LARGE AND SPREAD  
QUICKLY BECOMING ERRATIC WITH EXTREME BEHAVIORAL CHARACTERISTICS.  
NO OUTDOOR BURNING SHOULD TAKE PLACE.  
 
THE OUTLOOK FOR FRIDAY AFTERNOON, THE GRASSLAND FIRE DANGER INDEX  
WILL REACH THE HIGH CATEGORY.  
 

 
 
SDZ013-026-030>032-044-046-047-073-074-220000-  
NORTHERN MEADE CO PLAINS-RAPID CITY-CUSTER CO PLAINS-  
PENNINGTON CO PLAINS-HAAKON-BENNETT-MELLETTE-TODD-  
SOUTHERN MEADE CO PLAINS-HERMOSA FOOT HILLS-  
INCLUDING THE CITIES OF FAITH, RAPID CITY, FOLSOM, WALL, PHILIP,  
MARTIN, WHITE RIVER, MISSION, UNION CENTER, AND HERMOSA  
242 AM MDT THU SEP 21 2017 /342 AM CDT THU SEP 21 2017/  
   
..VERY HIGH FIRE DANGER
 
 
THE GRASSLAND FIRE DANGER INDEX WILL REACH THE VERY HIGH CATEGORY  
THIS AFTERNOON. VERY POOR WEATHER CONDITIONS OR A VERY LOW  
MOISTURE CONTENT OF GRASSES, AND OTHER DRY ORGANIC MATERIAL ON  
THE GROUND, INDICATE THAT DANGEROUS BURNING CONDITIONS EXIST.  
FIRES WILL SPREAD RAPIDLY AND SHOW ERRATIC BEHAVIOR. OUTDOOR  
BURNING IS NOT RECOMMENDED.  
 
THE OUTLOOK FOR FRIDAY AFTERNOON, THE GRASSLAND FIRE DANGER INDEX  
WILL REACH THE MODERATE CATEGORY TO HIGH CATEGORY.  
 

 
 
SDZ001-002-012-014-025-049-072-220000-  
HARDING-PERKINS-BUTTE-ZIEBACH-NORTHERN FOOT HILLS-TRIPP-  
STURGIS/PIEDMONT FOOT HILLS-  
INCLUDING THE CITIES OF BUFFALO, LEMMON, BISON, BELLE FOURCHE,  
DUPREE, SPEARFISH, WINNER, AND STURGIS  
242 AM MDT THU SEP 21 2017 /342 AM CDT THU SEP 21 2017/  
   
..HIGH FIRE DANGER
 
 
THE GRASSLAND FIRE DANGER INDEX WILL REACH THE HIGH CATEGORY THIS  
AFTERNOON. UNFAVORABLE WEATHER CONDITIONS OR A LOW MOISTURE  
CONTENT OF GRASSES, AND OTHER DRY ORGANIC MATERIAL ON THE GROUND,  
INDICATE THAT THERE IS A MODERATE TO HIGH POTENTIAL FOR A FIRE  
OCCURRENCE. OUTDOOR BURNING SHOULD BE RESTRICTED TO EARLY MORNING  
OR EVENING HOURS WHEN WIND SPEEDS ARE USUALLY LOWER AND THE  
RELATIVE HUMIDITY IS HIGHER.  
 
THE OUTLOOK FOR FRIDAY AFTERNOON, THE GRASSLAND FIRE DANGER INDEX  
WILL REACH THE MODERATE CATEGORY TO HIGH CATEGORY.  
 

 
 
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