493  
FNUS63 KABR 200902  
RFDABR  
 
RANGELAND FIRE DANGER STATEMENT  
NATIONAL WEATHER SERVICE ABERDEEN SD  
402 AM CDT FRI OCT 20 2017  
   
DISCUSSION
 
 
VERY WARM AND BREEZY CONDITIONS ARE EXPECTED THIS AFTERNOON, WITH  
HIGHS IN THE UPPER 70S TO MID 80S. EXPECT SOUTH WINDS OVER 20 MPH  
EAST OF THE MISSOURI RIVER. STRONGER GUSTS OF 30 TO NEAR 40 MPH WILL  
BE POSSIBLE. THE LOWEST RELATIVE HUMIDITY, IN THE UPPER TEENS TO  
AROUND 30 PERCENT WILL AGAIN BE WEST OF THE MISSOURI RIVER. EXPECT  
OVERNIGHT RELATIVE HUMIDITY RECOVERY WEST OF THE MISSOURI RIVER TO BE  
50 TO 70 PERCENT. THE DRY WEATHER WILL BRIEFLY COME TO AN END  
SATURDAY, AS TEMPERATURES DROP BACK INTO THE 60S. HOWEVER, BREEZY  
CONDITIONS WILL REMAIN. SUNDAY SHOULD BE DRY AND MILD, WITH BREEZY  
SOUTHWEST WINDS IN THE AFTERNOON.  
 
SDZ003-202315-  
CORSON-  
INCLUDING THE CITY OF MCINTOSH  
302 AM MDT FRI OCT 20 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 VERY HIGH CATEGORY.  
 

 
 
MNZ039-SDZ004>006-009>011-015>019-033>037-045-048-051-202315-  
TRAVERSE-CAMPBELL-MCPHERSON-BROWN-WALWORTH-EDMUNDS-DAY-DEWEY-POTTER-  
FAULK-SPINK-CLARK-STANLEY-SULLY-HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-  
INCLUDING THE CITIES OF WHEATON, HERREID, EUREKA, ABERDEEN,  
MOBRIDGE, IPSWICH, WEBSTER, ISABEL, GETTYSBURG, FAULKTON, REDFIELD,  
CLARK, MISSION RIDGE, ONIDA, PIERRE, HIGHMORE, MILLER, MURDO,  
KENNEBEC, AND FORT THOMPSON  
402 AM CDT FRI OCT 20 2017 /302 AM MDT FRI OCT 20 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 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 LOW TO HIGH CATEGORY.  
 

 
 
MNZ046-SDZ007-008-020>023-202315-  
BIG STONE-MARSHALL-ROBERTS-CODINGTON-GRANT-HAMLIN-DEUEL-  
INCLUDING THE CITIES OF ORTONVILLE, BRITTON, SISSETON, WATERTOWN,  
MILBANK, HAYTI, AND CLEAR LAKE  
402 AM CDT FRI OCT 20 2017  
   
..MODERATE FIRE DANGER
 
 
THE GRASSLAND FIRE DANGER INDEX WILL REACH THE MODERATE  
CATEGORY THIS AFTERNOON. MARGINAL WEATHER CONDITIONS OR A  
LOWERING MOISTURE CONTENT OF GRASSES AND OTHER DRY ORGANIC  
MATERIAL ON THE GROUND INDICATE THAT THERE IS SOME POTENTIAL  
FOR A FIRE OCCURRENCE. DO NOT LEAVE OUTDOOR FIRES UNATTENDED  
UNDER THESE CONDITIONS.  
 
THE OUTLOOK FOR SATURDAY AFTERNOON...THE GRASSLAND FIRE DANGER INDEX  
WILL REACH THE LOW TO MODERATE CATEGORY.  
 

 
 
KF  
 
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