Rangeland Fire Danger Forecast
Issued by NWS Sioux Falls, SD

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000
FNUS63 KFSD 210936
RFDFSD

RANGELAND FIRE DANGER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
436 AM CDT MON APR 21 2014

.DISCUSSION...
NORTHWESTERLY WINDS ARE EXPECTED TO INCREASE TO 20 TO 25 MPH BY THIS
AFTERNOON WITH GUSTS TO 35 MPH ACROSS MOST OF THE AREA. IN
ADDITION... WITH GOOD MIXING IN A DRYING ATMOSPHERE...AFTERNOON
RELATIVE HUMIDITY WILL RANGE FROM AROUND 20 TO 25 PERCENT...THOUGH
SLIGHTLY HIGHER OVER SOUTHWESTERN MINNESOTA. THIS WILL PRODUCE
EXTREME FIRE DANGER ACROSS ALL AREAS EXCEPT THE LOWER BRULE REGION IN
SOUTH CENTRAL SOUTH DAKOTA THIS AFTERNOON...WHERE WINDS SHOULD BE A
LITTLE LIGHTER THIS AFTERNOON. THE MOST CRITICAL FIRE DANGER PERIOD
WILL BE FROM EARLY AFTERNOON INTO EARLY THIS EVENING.

TUESDAY WILL BE ANOTHER DAY TO WATCH FOR FIRE WEATHER CONCERNS...
ESPECIALLY IN OUR CENTRAL AND WEST WITH SOUTHEAST-SOUTH LOW LEVEL
FLOW INCREASING THROUGH THE DAY AS SURFACE RIDGE SHIFTS EAST...AND
STRONG MIXING LEADING TO HUMIDITY LEVELS OF 20 TO 25 PERCENT. WINDS
AT THIS TIME LOOK TO REMAIN SHY OF RED FLAG CRITERIA...BUT WILL
LIKELY BE ANOTHER DAY OF VERY HIGH DANGER FOR PARTS OF OUR AREA...
MAINLY ALONG AND WEST OF THE JAMES RIVER VALLEY.

CONSIDER POSTPONING BURNING DUE TO THE VERY HIGH OR EXTREME FIRE
DANGER.

IAZ001-012-013-020-021-031-032-MNZ097-098-NEZ013-014-SDZ038>040-
052>056-059>062-065>071-212315-
LYON-SIOUX-OBRIEN-PLYMOUTH-CHEROKEE-WOODBURY-IDA-PIPESTONE-ROCK-
DIXON-DAKOTA-BEADLE-KINGSBURY-BROOKINGS-JERAULD-SANBORN-MINER-
LAKE-MOODY-DAVISON-HANSON-MCCOOK-MINNEHAHA-HUTCHINSON-TURNER-
LINCOLN-BON HOMME-YANKTON-CLAY-UNION-
INCLUDING THE CITIES OF...ROCK RAPIDS...GEORGE...INWOOD...
LARCHWOOD...ORANGE CITY...SIOUX CENTER...SHELDON...HARTLEY...
SANBORN...LE MARS...CHEROKEE...SIOUX CITY...IDA GROVE...
HOLSTEIN...BATTLE CREEK...PIPESTONE...LUVERNE...WAKEFIELD...
PONCA...ALLEN...SOUTH SIOUX CITY...HURON...DE SMET...ARLINGTON...
LAKE PRESTON...BROOKINGS...WESSINGTON SPRINGS...ALPENA...
WOONSOCKET...HOWARD...MADISON...FLANDREAU...MITCHELL...
ALEXANDRIA...EMERY...SALEM...CANISTOTA...BRIDGEWATER...MONTROSE...
SIOUX FALLS...PARKSTON...FREEMAN...MENNO...TRIPP...PARKER...
CENTERVILLE...MARION...VIBORG...HURLEY...CHANCELLOR...CANTON...
LENNOX...TEA...HARRISBURG...TYNDALL...SCOTLAND...SPRINGFIELD...
AVON...TABOR...YANKTON...VERMILLION...NORTH SIOUX CITY...
BERESFORD...ELK POINT...ALCESTER...JEFFERSON
436 AM CDT MON APR 21 2014

...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 TUESDAY AFTERNOON...THE GRASSLAND FIRE DANGER
INDEX WILL REACH THE HIGH CATEGORY TO VERY HIGH CATEGORY.

$$

IAZ002-003-014-022-MNZ071-072-080-081-089-090-212315-
OSCEOLA-DICKINSON-CLAY-BUENA VISTA-LINCOLN-LYON-MURRAY-COTTONWOOD-
NOBLES-JACKSON-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SPENCER...STORM LAKE...TYLER...HENDRICKS...
LAKE BENTON...IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...
MOUNTAIN LAKE...WORTHINGTON...JACKSON...LAKEFIELD
436 AM CDT MON APR 21 2014

...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 TUESDAY AFTERNOON...THE GRASSLAND FIRE DANGER
INDEX WILL REACH THE MODERATE CATEGORY.

$$

SDZ050-057-058-063-064-212315-
GREGORY-BRULE-AURORA-CHARLES MIX-DOUGLAS-
INCLUDING THE CITIES OF...GREGORY...BURKE...CHAMBERLAIN...
KIMBALL...PLANKINTON...WHITE LAKE...STICKNEY...WAGNER...PLATTE...
LAKE ANDES...MARTY...ARMOUR...CORSICA...DELMONT
436 AM CDT MON APR 21 2014

...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 TUESDAY AFTERNOON...THE GRASSLAND FIRE DANGER
INDEX WILL REACH THE VERY HIGH CATEGORY.

$$








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