FNUS73 KABR 191711
FWSABR

SPOT FORECAST FOR SWIFTBIRD RX...BIA
NATIONAL WEATHER SERVICE ABERDEEN SD
1211 PM CDT MON SEP 19 2011

FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON SEPTEMBER 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
LOW RELATIVE HUMIDITIES TODAY WILL ACCOMPANY FAIRLY LIGHT WINDS.
MEANWHILE A FRONTAL PASSAGE LATE TONIGHT AND TUESDAY WILL USHER IN
STRONG WINDS...ESPECIALLY AFTER SUNRISE.  RELATIVE HUMIDITIES WILL
BE HIGHER DUE TO COOLER TEMPERATURES ...BUT THE FIRE DANGER WILL
BE HEIGHTENED ON TUESDAY DUE TO CURING GRASSES AND HIGH WINDS.


.TODAY...
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT CLOUD).
MAX TEMPERATURE.....78-83.
MIN HUMIDITY........22-27 PERCENT.
WIND (20 FT)........LIGHT WINDS UNTIL 1000...THEN SOUTH 6 TO 16
                    MPH.
HAINES INDEX........6 OR HIGH.
MIXING HEIGHT.......300-1100 FT AGL UNTIL 1300...THEN 7300-8300 FT
                    AGL.
TRANSPORT WINDS.....SOUTHWEST 8 TO 17 MPH.
SMOKE DISPERSAL.....5600-15600 UNTIL 1300...THEN 99600-121100.
CWR.................ZERO.

TIME (MDT)      1 PM   3 PM   5 PM
SKY (%).........32     38     45
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE
TEMP............75     79     80
RH..............30     28     27
20 FT WIND......S 12   SW 14  S 12
20 FT WIND GUST.15     15     20

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT CLOUD) UNTIL
                    2100...THEN MOSTLY CLOUDY (60-70 PERCENT
                    CLOUD). A SLIGHT CHANCE OF THUNDERSTORMS UNTIL
                    0100. A SLIGHT CHANCE OF SHOWERS.
MIN TEMPERATURE.....48-53.
MAX HUMIDITY........63-68 PERCENT.
WIND (20 FT)........BREEZY. NORTHWEST WINDS 16 TO 26 MPH. GUSTS UP
                    TO 35 MPH. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS UNTIL 0100.
HAINES INDEX........6 OR HIGH.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTH 20 TO 25 MPH UNTIL 2200...THEN WEST 23 TO
                    28 MPH UNTIL 0100...THEN NORTHWEST 41 TO 46 MPH
                    UNTIL 0400...THEN 54 TO 59 MPH.
SMOKE DISPERSAL.....4700-12100.
CWR.................ZERO.

TIME (MDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........46     54     65     73     67     59
WEATHER COV.....S CHC  S CHC  S CHC  S CHC  S CHC  S CHC
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............78     68     63     59     57     55
RH..............30     44     55     64     67     67
20 FT WIND......S 11   SW 11  W 14   NW 15  NW 21  NW 23
20 FT WIND GUST.20     20     20     25     30     35

$$
FORECASTER...PARKIN
REQUESTED BY...ANTHONY KENNEDY
TYPE OF REQUEST...PRESCRIBED
.TAG 20110919.SWIFT.01/ABR