Suppression Forecast
Issued by NWS Aberdeen, SD

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402
FNUS73 KABR 180907
FWSABR

Spot Forecast for Keystone Pipeline Oil Spill...NWS ABR/Marshall County EM
National Weather Service Aberdeen SD
307 AM CST Sat Nov 18 2017

Forecast is based on incident time of 0800 CST on November 18.
If conditions become unrepresentative...contact the National Weather
Service in Aberdeen SD.

.DISCUSSION...
Dry and cool high pressure will build into the region, with northwest
winds becoming breezy this afternoon. Temperatures will be in the
20s to low 30s. Under a mostly clear sky, temperatures will fall
into the into the teens tonight.

The ridge of high pressure will exit across Minnesota on Sunday. This
will allow winds to return to a southwesterly direction, and
temperatures to rise into the 40s. Mild temperatures will
continue through Monday, with dry weather continuing through at
least Thanksgiving.

.TODAY...

Sky/weather.........Mostly sunny (30-40 percent cloud).
Max temperature.....28-33.
Min humidity........42-47 percent.
Surface winds.......Northwest winds 10 to 18 mph, increasing to 13
                    to 21 mph late in the morning.
Chance of pcpn......0 percent.

TIME (CST)      8 AM   10 AM  NOON   2 PM   4 PM   6 PM
Sky (%).........47     51     34     18     9      6
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
Temp............22     24     27     30     28     23
RH..............74     65     57     44     46     57
Surface wind....N 14   NW 17  NW 20  NW 21  NW 18  NW 13
Surface wnd gst.20     25     30     30     30     15

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent cloud).
Min temperature.....14-19.
Max humidity........83-88 percent.
Surface winds.......Southwest winds 5 to 10 mph.
Chance of pcpn......0 percent.

TIME (CST)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
Sky (%).........8      13     8      10     20     30
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
Temp............21     17     16     16     17     18
RH..............65     77     80     80     80     84
Surface wind....NW 10  NW 6   W 5    SW 6   SW 7   SW 8
Surface wnd gst.15     10            10     10     10

.SUNDAY...

Sky/weather.........Sunny (15-25 percent cloud).
Max temperature.....43-48.
Min humidity........39-44 percent.
Surface winds.......Southwest winds 6 to 12 mph.
Chance of pcpn......0 percent.

TIME (CST)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
Sky (%).........28     22     16     12     8      21
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
Temp............19     24     34     43     45     37
RH..............88     81     61     45     41     54
Surface wind....SW 9   SW 10  SW 12  SW 12  SW 10  SW 7
Surface wnd gst.10     15     15     15     15     10

.FORECAST DAYS 3 THROUGH 7...
.MONDAY...
Partly cloudy. Lows in the mid 20s. Highs in the upper 40s.
Southwest winds 6 to 10 mph.
.TUESDAY...
Mostly clear. Lows around 17. Highs in the upper 20s. Northwest
winds 10 to 20 mph.
.WEDNESDAY...
Partly cloudy. Lows around 11. Highs in the lower 30s. Southwest
winds 5 to 10 mph.
.THANKSGIVING DAY...
Partly cloudy. Lows in the lower 20s. Highs around 40.
.FRIDAY...
Partly cloudy. A slight chance of rain. Lows in the upper 20s.
Highs in the mid 40s.

.OUTLOOK FOR SATURDAY NOVEMBER 25 THROUGH FRIDAY DECEMBER 01...

$$
Forecaster...KF
Requested by...NWS ABR
Type of request...HAZMAT
.TAG 1718972.0/ABR
.EMAIL nws.aberdeen@noaa.gov



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