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Extreme Fire Danger


RANGELAND FIRE DANGER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
421 AM CDT TUE MAR 31 2015

.DISCUSSION...

LOW HUMIDITY LESS THAN 20 PERCENT IS FORECAST ACROSS CENTRAL AND
WESTERN SOUTH DAKOTA THIS AFTERNOON. BREEZY SOUTH WINDS WILL ALSO
DEVELOP DURING THE AFTERNOON HOURS...MAINLY ALONG AND WEST OF THE
MISSOURI RIVER. A COLD FRONT WILL MOVE ACROSS THE REGION ON
WEDNESDAY AND BRING GUSTY NORTHWEST WINDS IN ITS WAKE...NEARING 40
MPH AT TIMES. RH VALUES WILL ONCE AGAIN DROP BELOW 25 PERCENT FOR
AREAS WEST OF THE JAMES VALLEY.

SDZ003-015-033-045-048-312315-
CORSON-DEWEY-STANLEY-JONES-LYMAN-
INCLUDING THE CITIES OF...MCLAUGHLIN...TIMBER LAKE...
FORT PIERRE...MURDO...PRESHO
421 AM CDT TUE MAR 31 2015 /321 AM MDT TUE MAR 31 2015/

...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 WEDNESDAY AFTERNOON...THE GRASSLAND FIRE DANGER
INDEX WILL REACH THE EXTREME CATEGORY.


$$

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Page last modified: June 2, 2009
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