FNUS73 KOAX 271605
FWSOAX

SPOT FORECAST FOR PONCA...YANKTON AGENCY
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
1105 AM CDT SUN MAR 27 2011

IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE
NATIONAL WEATHER SERVICE.

.DISCUSSION...

A GOOD DEAL OF CLOUD ARE EXPECTED THROUGH THE AFTERNOON...ALTHOUGH
THERE MAY BE SOME PATCHY SUNSHINE DURING THE LATE AFTERNOON. DRY
WEATHER IS EXPECTED TODAY. WINDS WILL REMAIN GENERALLY EAST OR JUST
SOUTH OF EAST THROUGH THE AFTERNOON. THIS WILL LIMIT VERTICAL MIXING
BUT WILL ALLOW FOR DRIER AIR FROM THE EAST TO MOVE IN THIS AFTERNOON
WHICH WILL LOWER AFTERNOON RELATIVE HUMIDITY VALUES.

.TODAY...

SKY/WEATHER.........CLOUDY (90-100 PERCENT).
MAX TEMPERATURE.....AROUND 35.
MIN HUMIDITY........59 PERCENT.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 9 MPH EARLY IN THE
                    MORNING BECOMING LIGHT...THEN BECOMING
                    SOUTHEAST 5 TO 14 MPH EARLY IN THE MORNING.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......300-2000 FT AGL INCREASING TO 2700-3400 FT AGL
                    LATE IN THE MORNING.
TRANSPORT WINDS.....SOUTHEAST 14 TO 20 MPH.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........96     96     96     96     96     96
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............25     27     30     31     34     35
RH..............78     81     78     66     59     59
20 FT WIND......SE 9   SE 5   SE 8   SE 12  SE 14  SE 14
20 FT WIND GUST.10            10     15     20     20
HAINES INDEX....3      3      3      3      3      3

.TONIGHT...

SKY/WEATHER.........CLOUDY (95-100 PERCENT). SLIGHT CHANCE OF SNOW.
MIN TEMPERATURE.....AROUND 28.
MAX HUMIDITY........78 PERCENT.
20-FOOT WINDS.......SOUTHEAST WINDS 9 TO 12 MPH.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1200-3100 FT AGL DECREASING TO 300-900 FT AGL
                    IN THE LATE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....SOUTHEAST 17 TO 21 MPH.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........96     100    100    100    100    100
WEATHER COV.....S CHC  S CHC  S CHC  S CHC  S CHC  S CHC
WEATHER TYPE....SNOW   SNOW   SNOW   SNOW   SNOW   SNOW
TEMP............34     31     29     29     28     28
RH..............61     65     70     75     74     75
20 FT WIND......SE 12  SE 10  SE 9   SE 9   SE 10  SE 12
20 FT WIND GUST.15            10     10            15
HAINES INDEX....3      3      3      3      3      3

$$
FORECASTER...BOUSTEAD
REQUESTED BY...HEATH ESTEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20110327.PONCA.01/OAX