FNUS75 KVEF 021635
FWSVEF

SPOT FORECAST FOR RAINBOW  RX...USFS
NATIONAL WEATHER SERVICE LAS VEGAS NV
935 AM PDT MON MAY 2 2011

FORECAST IS BASED ON IGNITION TIME OF 0925 PDT ON MAY 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...DRY FLOW ALOFT TO BE OVER THE SPRING MOUNTAINS THROUGH
THE WEEK WITH LIGHT WINDS ACROSS THE AREA. THE BURN SITE WILL BE
UNDER BASICALLY DIURNAL CONDITIONS THROUGH WEDNESDAY. SURFACE BASED
INVERSION SETTING UP OVERNIGHT WILL LIMIT SMOKE DISPERSION AT
NIGHT...WITH INVERSION BREAKING BY 9 AM PDT. HOWEVER HIGHER LEVEL
INVERSIONS EXPECTED BETWEEN 3 AND 5 THOUSAND FEET ABOVE GROUND LEVEL
WHICH WILL CONTINUE TO LIMIT DISPERSION TODAY AND ONCE AGAIN ON
TUESDAY.


.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....45-50.
MIN HUMIDITY........10-15 PERCENT.
  20 FT-10 MIN AVG..NORTHEAST WINDS AROUND 6 MPH IN THE MORNING
                    BECOMING UPSLOPE/UPVALLEY 4 TO 8 MPH.
  10K FT WIND.......NORTH 20 TO 25 MPH DECREASING TO 6 TO 10 MPH IN
                    THE AFTERNOON.
CWR (>= 0.10 IN)....0 PERCENT.
MIXING HEIGHT.......4000 FT AGL.
TRANSPORT WINDS.....NORTHEAST 6 TO 10 KNOTS IN THE MORNING BECOMING
                    LIGHT AND VARIABLE.
VENTILATION.........FAIR.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....34-39.
MAX HUMIDITY........23-28 PERCENT.
  20 FT-10 MIN AVG..DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
  10K FT WIND.......LIGHT AND VARIABLE BECOMING WEST 6 TO 9 MPH
                    AFTER MIDNIGHT.
CWR (>= 0.10 IN)....0 PERCENT.
MIXING HEIGHT.......3000 FT AGL...POSSIBLY LOWERING TO NEAR 1000 FEET
                    AFTER 2 AM PDT.
TRANSPORT WINDS.....LIGHT AND VARIABLE.
VENTILATION.........POOR.

.TUESDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....49-54.
MIN HUMIDITY........6-11 PERCENT.
  20 FT-10 MIN AVG..UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTHWEST
                    AROUND 8 MPH IN THE AFTERNOON.
  10K FT WIND.......WEST 6 TO 9 MPH INCREASING TO SOUTHWEST 10 TO
                    15 MPH IN THE AFTERNOON.
CWR (>= 0.10 IN)....0 PERCENT.
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WINDS.....WEST 6 TO 9 KNOTS.
VENTILATION.........FAIR.

$$
FORECASTER...JENSEN
REQUESTED BY...RAINBOW RX BURNBOSS
TYPE OF REQUEST...PRESCRIBED
.TAG 20110502.FRAIN.01/VEF