Suppression Forecast
Issued by NWS Aberdeen, SD

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696
FNUS73 KABR 211329
FWSABR

SPOT FORECAST FOR SWIFTBIRD RX...SD-CRA
NATIONAL WEATHER SERVICE ABERDEEN SD
829 AM CDT WED SEP 21 2016

FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON SEPTEMBER 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
LOW PRESSURE LINGERING ACROSS NEBRASKA AND SOUTHEASTERN
SOUTH DAKOTA THROUGH MUCH OF THE REST OF THE WORK WEEK. PLENTY OF
LOW LEVEL MOISTURE AROUND THIS AREA OF LOW PRESSURE WILL KEEP
HUMIDITY LEVELS FROM FALLING MUCH BELOW 50 PERCENT FOR AT LEAST THE
NEXT FEW DAYS...WITH THE POTENTIAL FOR OFF AND ON LIGHT SHOWERS OR
DRIZZLE. TEMPERATURES WILL BE NEAR TO SLIGHTLY BELOW NORMAL THROUGH
FRIDAY.

.TODAY...
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT CLOUD).
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........51-56 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 10 TO 20 MPH. GUSTS UP TO 25
                    MPH EARLY IN THE MORNING THEN 30 MPH EARLY IN
                    THE MORNING.
HAINES INDEX........3 OR VERY LOW.
MIXING HEIGHT.......700-1600 FT AGL UNTIL 1300...THEN 2700-2800 FT
                    AGL.
TRANSPORT WINDS.....EAST 23 TO 31 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR (45300-60300).
CWR.................ZERO.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........62  65  68  67  66  65  67  69
WEATHER COV.....
WEATHER TYPE....
TEMP............65  68  70  71  72  71  69  68
RH..............65  59  57  55  53  55  57  59
20 FT WIND DIR..NE  NE  E   E   NE  NE  NE  NE
20 FT WIND SPD..20  18  17  17  17  17  17  16
20 FT WIND GUST.30  25  25  25  25  25  25  25

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT CLOUD). A SLIGHT
                    CHANCE OF SHOWERS AND THUNDERSTORMS AFTER 0100.
MIN TEMPERATURE.....54-59.
MAX HUMIDITY........72-77 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 9 TO 15 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS AFTER 0100.
HAINES INDEX........2 OR VERY LOW.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....NORTHEAST 27 TO 32 MPH UNTIL 0100...THEN 20 TO
                    26 MPH.
SMOKE DISPERSAL.....POOR (4900-6300).
CWR.................ZERO.

TIME (CDT)      7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM
SKY (%).........71  75  78  82  83  83  84  83  82  81  82  84
WEATHER COV.....                        SCH SCH SCH SCH SCH SCH
WEATHER TYPE....                        RW  RW  RW  RW  RW  RW
TEMP............67  66  64  63  62  61  61  60  60  59  58  57
RH..............61  61  65  65  67  70  70  69  69  72  75  75
20 FT WIND DIR..NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
20 FT WIND SPD..15  15  15  15  15  15  15  15  14  14  14  14
20 FT WIND GUST.20  20  20  20  20  20  20  20  20  20  20  20

.THURSDAY...
SKY/WEATHER.........CLOUDY (85-95 PERCENT CLOUD).
MAX TEMPERATURE.....63-68.
MIN HUMIDITY........58-63 PERCENT.
WIND (20 FT)........EAST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30
                    MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS AFTER 1000 UNTIL 1600.
HAINES INDEX........2 OR VERY LOW.
MIXING HEIGHT.......1300-2000 FT AGL UNTIL 1300...THEN 2300-2900 FT
                    AGL.
TRANSPORT WINDS.....EAST 21 TO 28 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000. GOOD AFTER 1600.
CWR.................ZERO.

TIME (CDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........85  86  87  88  89  89  90  90  89  89  89  89
WEATHER COV.....SCH SCH SCH SCH SCH SCH             SCH SCH SCH
WEATHER TYPE....RW  RW  RW  RW  RW  RW              RW  RW  RW
TEMP............56  56  56  57  59  60  62  63  64  65  65  64
RH..............77  77  77  75  69  69  65  62  60  60  60  65
20 FT WIND DIR..NE  NE  NE  NE  NE  NE  NE  NE  E   E   E   E
20 FT WIND SPD..14  15  16  17  17  17  17  18  18  20  20  20
20 FT WIND GUST.20  20  25  25  25  25  25  25  25  30  30  30

$$
FORECASTER...MOHR
REQUESTED BY...FUELS SPECIALIST
TYPE OF REQUEST...PRESCRIBED
.TAG 20160921.SWIFT.01/ABR



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