013
FNUS73 KUNR 211653
FWSUNR
SPOT FORECAST FOR GHOST HAWK...SD-RBA
NATIONAL WEATHER SERVICE RAPID CITY SD
953 AM MST SAT NOV 21 2009
FORECAST IS BASED ON IGNITION TIME OF 1100 CST ON NOVEMBER 21.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.
DISCUSSION
SOUTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS AROUND 40 MPH
WILL CONTINUE ACROSS THE AREA TODAY AS A FRONT APPROACHES THE BURN
SITE. THE FRONT IS EXPECTED TO CROSS THE BURN SITE THIS
AFTERNOON...SWITCHING WINDS TO THE NORTHWEST.
TODAY
SKY/WEATHER.........PARTLY SUNNY.
TEMPERATURE.........55 AT IGNITION...MAX 60.
RH..................40 PERCENT AT IGNITION...MIN 28 PERCENT.
WIND (20 FT)........WINDS SOUTHWEST AT 15 TO 25 MPH WITH GUSTS NEAR 40
MPH AT IGNITION...SWITCHING TO NORTHWEST IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE
GROWTH.
MIXING HEIGHT.......2100 TO 3100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15 TO 25 MPH SWITCHING TO NORTHWEST IN THE
AFTERNOON.
SMOKE DISPERSAL.....FAIR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN 27.
RH..................MAX 78 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
MIXING HEIGHT.......100 TO 600 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 48.
RH..................MIN 39 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH EARLY IN THE MORNING
BECOMING LIGHT AND VARIABLE IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3700 TO 4700 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH BECOMING
LIGHT AND VARIABLE IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR.
FORECASTER...JW
REQUESTED BY...STEVEN IPSWITCH
TYPE OF REQUEST...PRESCRIBED
.TAG 20091121.GHOST.01/UNR
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