FNUS73 KGID 081305
FWSGID

SPOT FORECAST FOR CLARK...USFWS
NATIONAL WEATHER SERVICE HASTINGS NE
805 AM CDT THU APR 8 2010

FORECAST IS BASED ON IGNITION TIME OF 1400 CDT ON APRIL 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
AT A 2 PM IGNITION TIME...SURFACE AND TRANSPORT WINDS WILL BE IN THE
PROCESS OF A SLOW CHANGE IN DIRECTION AND SHOULD BE FROM THE WEST.
WINDS WILL GRADUALLY WORK AROUND TO THE SOUTH BY EVENING. SPEEDS
WILL BE LIGHT...WITH TRANSPORT WINDS STRUGGLING FOR 10 MPH. ALTHOUGH
SMOKE COLUMN SHOULD RISE...BELIEVE DISPERSION OFF THE GROUND MAY BE
SLOW WITH LIMITED MIXING OF THE LOWER ATMOSPHERE. SPRINKLES EARLY
TODAY WILL BE GONE BY NOON...WITH THE CLOUDS FADING AWAY THIS AFTERNOON.
CURRENT FORECAST HIGH OF 60 MIGHT BE A STRETCH BY 2 TO 3 DEGREES...SO
LOWEST RELATIVE HUMIDITY COULD BE CLOSER TO 40 PERCENT.

NOTE FOR FRIDAY...A FRONTAL BOUNDARY WILL MOVE THROUGH THE AREA IN THE
MORNING/EARLY AFTERNOON. IF YOU ARE PLANNING TO BURN IN THE KEARNEY OR
PHELPS COUNTY AREA AGAIN...NORTH WINDS SHOULD TAKE OVER BY EARLY AFTERNOON
AND TURN TO THE NORTHEAST. A LATER BURN TIME WILL LIMIT SOME OF THE POSSIBLE
FRONTAL BOUNDARY WIND IMPACTS. IF YOU PLANNING A BURN BACK EAST TOWARD HASTINGS
OR CLAY CENTER...THE FRONT MAY STALL A BIT CREATING A MORE VARIABLE NEAR
SURFACE WIND FLOW. THAT MAY RESULT IN SOME DISPERSION ISSUES ALONG/NEAR OR
EAST OF HIGHWAY 281.

WEEKEND MAY NOT BE AS HIGH AND DRY AS PREVIOUSLY FORECAST...WITH EASTERLY
FLOW ON SATURDAY RESULTING IN HIGHER RELATIVE HUMIDITIES...AND SIGNS OF SOME
RAIN SHOWERS IN THE AREA SUNDAY.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
                    MOSTLY SUNNY (30-40 PERCENT).
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........35 TO 40 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 7 TO 9 MPH.
HAINES INDEX........3 TO 4.
MIXING HEIGHT.......3500 TO 5500 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 11 MPH BECOMING WEST.

.TONIGHT...
SKY/WEATHER.........CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....AROUND 34.
MAX HUMIDITY........77 PERCENT.
WIND (20 FT)........SOUTH WINDS 6 TO 7 MPH.
HAINES INDEX........4 TO 5.
MIXING HEIGHT.......LOWER TO LESS THAN 1000 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 7 MPH.

.FRIDAY...
SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........WEST WINDS 7 TO 14 MPH SHIFTING TO THE NORTH 10
                    TO 15 MPH IN THE AFTERNOON. GUSTS UP TO 25 MPH.
HAINES INDEX........4 TO 5.
MIXING HEIGHT.......RISING TO 4000 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 15 TO 18 MPH IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 7...
.SATURDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS AROUND 9 MPH.
.SUNDAY...PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
70S. NORTHEAST WINDS AROUND 13 MPH.
.MONDAY...PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. SOUTHEAST WINDS AROUND 14 MPH.
.TUESDAY...PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 70S.
.WEDNESDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S.

$$
FORECASTER...NWS/MIKE MORITZ
REQUESTED BY...BRUCE WINTER
TYPE OF REQUEST...PRESCRIBED
.TAG 20100408.CLARK.01/GID