FNUS73 KARX 041355
FWSARX

SPOT FORECAST FOR UNIT S-2...NPS
NATIONAL WEATHER SERVICE LA CROSSE WI
855 AM CDT MON MAY 4 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MAY 04. IF
CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE NATIONAL WEATHER
SERVICE IN LA CROSSE.

.DISCUSSION...HIGH CLOUDS WILL CONTINUE TO STREAM OVER THE BURN
SITE TODAY...WITH FILTERED SUNSHINE. WITH DIURNAL WARMING AND
MIXING THE SURFACE INVERSION WILL BREAK AROUND 10 AM...WITH
WINDS BECOMING STEADIER FROM THE SOUTH. WITH DEEPER MIXING FOR
THE AFTERNOON...SOME GUSTS OF 14 TO 18 MPH WILL BE POSSIBLE...
ESPECIALLY ACROSS HIGHER ELEVATION/RIDGE-TOP AREAS. THE DEEPER
MIXING WILL RESULT IN MINIMUM AFTERNOON HUMIDITIES FALLING INTO
THE 25 TO 35 PERCENT RANGE. FOR TUESDAY...A SURFACE BOUNDARY AND
UPPER LEVEL DISTURBANCE WILL BRING THICKER CLOUDS TO THE AREA.
A GOOD CHANCE OF SHOWERS AND THUNDERSTORMS WILL ACCOMPANY THESE
FEATURES INTO THE AREA FOR TUESDAY AFTERNOON AND NIGHT.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY.
TEMPERATURE.........61 AT IGNITION...MAX 71.
RH..................41 PERCENT AT IGNITION...MIN 30.
WIND (20 FT)........WINDS SOUTH AT 6 MPH AT IGNITION. SOUTH
                    6 TO 9 MPH...GUSTS TO 15 MPH FOR THE
                    AFTERNOON.
CWR.................NONE.
HAINES INDEX........5 OR MODERATE AT IGNITION...MAX 5.
SMOKE DISPERSAL.....FAIR /20300 KNOT-FT/ AT IGNITION.
                    MAX...EXCELLENT /68100 KNOT-FT/.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN 49.
RH..................MAX 96 PERCENT.
WIND (20 FT)........SOUTH WINDS AROUND 5 MPH EARLY IN THE EVENING
                    BECOMING LIGHT.
CWR.................NONE.
HAINES INDEX........MAX 5.
SMOKE DISPERSAL.....MIN...POOR /1300 KNOT-FT/.

.TUESDAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS AND
                    THUNDERSTORMS. CHANCE OF PRECIPITATION 40
                    PERCENT.
TEMPERATURE.........MAX 69.
RH..................MIN 49 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 10 MPH.
CWR.................24 PERCENT.
HAINES INDEX........MAX 5.
SMOKE DISPERSAL.....MAX...EXCELLENT /143600 KNOT-FT/.

$$
FORECASTER...RS
REQUESTED BY...SCOTT BEACHAM
TYPE OF REQUEST...PRESCRIBED
.TAG 20090504.UNITS.01/ARX