RANGELAND FIRE DANGER STATEMENT
NATIONAL WEATHER SERVICE RAPID CITY SD
234 AM MDT FRI SEP 23 2011
.DISCUSSION...A TROF OF LOW PRESSURE WILL MOVE ACROSS WESTERN
SOUTH DAKOTA THIS MORNING...WITH NORTHWEST WINDS INCREASING TO 10
TO 20 MPH BEHIND THE TROF. HIGH TEMPERATURES WILL BE IN THE UPPER
70S TO MID 80S WITH MINIMUM RELATIVE HUMIDITY OF 15 TO 25 PERCENT.
HARDING-BUTTE-NORTHERN FOOT HILLS-STURGIS/PIEDMONT FOOT HILLS-
SOUTHERN MEADE CO PLAINS-
INCLUDING THE CITIES OF...BUFFALO...BELLE FOURCHE...SPEARFISH...
STURGIS...UNION CENTER
234 AM MDT FRI SEP 23 2011
...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 VERY HIGH CATEGORY.
