584  
FNUS63 KUNR 210829  
RFDUNR  
 
RANGELAND FIRE DANGER STATEMENT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
229 AM MDT FRI JUL 21 2017  
   
DISCUSSION
 
SKIES WILL BECOMING MOSTLY SUNNY TODAY. WINDS WILL  
BECOME NORTHWEST AND AVERAGE 12 TO 24 MPH WITH FREQUENT GUSTS TO  
30 MPH OVER NORTHWEST SOUTH DAKOTA. HIGHS WILL REACH 93 TO 103  
WITH MINIMUM RELATIVE HUMIDITIES RANGING FROM THE TEENS OVER  
NORTHWEST SOUTH DAKOTA TO THE 20S OVER CENTRAL SOUTH DAKOTA.  
ISOLATED THUNDERSTORMS POSSIBLE OVER CENTRAL SOUTH DAKOTA LATE.  
 
SDZ001-002-012-013-025-030-031-072-073-220015-  
HARDING-PERKINS-BUTTE-NORTHERN MEADE CO PLAINS-  
NORTHERN FOOT HILLS-CUSTER CO PLAINS-PENNINGTON CO PLAINS-  
STURGIS/PIEDMONT FOOT HILLS-SOUTHERN MEADE CO PLAINS-  
INCLUDING THE CITIES OF BUFFALO, LEMMON, BISON, BELLE FOURCHE,  
FAITH, SPEARFISH, FOLSOM, WALL, STURGIS, AND UNION CENTER  
229 AM MDT FRI JUL 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 SATURDAY AFTERNOON, THE GRASSLAND FIRE DANGER  
INDEX WILL REACH THE HIGH CATEGORY TO VERY HIGH CATEGORY.  
 

 
 
SDZ014-026-027-032-041>043-046-074-220015-  
ZIEBACH-RAPID CITY-SOUTHERN FOOT HILLS-HAAKON-FALL RIVER-  
OGLALA LAKOTA-JACKSON-MELLETTE-HERMOSA FOOT HILLS-  
INCLUDING THE CITIES OF DUPREE, RAPID CITY, EDGEMONT,  
HOT SPRINGS, PHILIP, ARDMORE, OELRICHS, PINE RIDGE, OGLALA, KYLE,  
KADOKA, WHITE RIVER, AND HERMOSA  
229 AM MDT FRI JUL 21 2017 /329 AM CDT FRI JUL 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 SATURDAY AFTERNOON, THE GRASSLAND FIRE DANGER  
INDEX WILL REACH THE HIGH CATEGORY TO VERY HIGH CATEGORY.  
 

 
 
SDZ044-047-049-220015-  
BENNETT-TODD-TRIPP-  
INCLUDING THE CITIES OF MARTIN, MISSION, AND WINNER  
229 AM MDT FRI JUL 21 2017 /329 AM CDT FRI JUL 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 SATURDAY AFTERNOON, THE GRASSLAND FIRE DANGER  
INDEX WILL REACH THE HIGH CATEGORY.  
 

 
 
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