Suppression Forecast
Issued by NWS Bismarck, ND

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FNUS73 KBIS 062332
FWSBIS

SPOT FORECAST FOR TRAIL DERAILMENT...NDDES
NATIONAL WEATHER SERVICE BISMARCK ND
632 PM CDT WED MAY 6 2015

FORECAST IS BASED ON INCIDENT TIME OF 0752 CDT ON MAY 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...SHOWERS WILL CONTINUE TO LIFT NORTH ACROSS THE INCIDENT
SITE AND INTERMITTENT SHOWERS ARE EXPECTED THROUGH THE EVENING. THE THREAT
FOR SOME OF THESE SHOWERS BECOMING A THUNDERSTORM WILL CONTINUE TO DIMINISH
THROUGH THE EVENING...WITH THE GREATEST THREAT REMAINING WEST OF THE
INCIDENT SITE. SOUTHEAST WINDS 15 TO 25 MPH WILL QUICKLY DIMINISH DURING
THE EARLY EVENING. WINDS WILL BECOME LIGHT AND VARIABLE LATE THIS EVENING
WITH A SHIFT TO THE NORTHWEST AROUND 4 TO 6 AM THURSDAY MORNING AS A COLD
FRONT MOVES OVER THE INCIDENT SITE. GUSTS TO 35 MPH WILL BE POSSIBLE ON
THURSDAY.

.REST OF TONIGHT...

SKY/WEATHER.........CLOUDY. RAIN SHOWERS UNTIL EARLY MORNING.
                    ISOLATED THUNDERSTORMS POSSIBLE THROUGH THE NIGHT. RAIN
                    SHOWERS LIKELY LATE IN THE NIGHT.
TEMPERATURE.........MIN 52.
RH..................MAX 100 PERCENT.
WIND................SOUTHEAST WINDS 10 TO 18 MPH DECREASING TO 5 TO
                    8 MPH IN THE LATE EVENING AND EARLY
                    MORNING...THEN LIGHT AND VARIABLE...THEN SHIFTING
                    TO THE NORTHWEST AROUND 5 MPH LATE IN THE NIGHT.
SMOKE DISPERSAL.....POOR.
LAL.................2.
CWR.................83 PERCENT.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........100 100 100 100 100 100 100 100 99  98  97  97
WEATHER COV.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF LKY LKY
WEATHER TYPE....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
TEMP............62  62  61  61  60  58  56  55  55  55  54  53
RH..............97  94  92  90  93  100 100 100 100 100 100 100
20 FT WIND DIR..SE  SE  SE  SE  E   E   SE  S   S   SW  S   W
20 FT WIND SPD..18  20  17  11  9   9   7   7   6   6   6   6
20 FT WIND GUST.25      20  15  10  10  10  10
CWR.............80  80  80  80  80  80  80  80  80  80  80  80
LAL.............3   2   2   2   2   2   2   2   2   2   2   2
HAINES INDEX....3   3   3   3   3   3   3   3   3   3   3   3

.THURSDAY...

SKY/WEATHER.........CLOUDY. RAIN SHOWERS LIKELY AND ISOLATED
                    THUNDERSTORMS IN THE MORNING...THEN CHANCE OF
                    RAIN SHOWERS IN THE AFTERNOON.
TEMPERATURE.........MAX 58.
RH..................MIN 59 PERCENT.
WIND................BREEZY. NORTHWEST WINDS 5 TO 11 MPH INCREASING
                    TO 19 TO 25 MPH.
HAINES INDEX........3 VERY LOW.
SMOKE DISPERSAL.....GOOD.
LAL.................2 DECREASING TO 1 IN THE AFTERNOON.
CWR.................55 PERCENT.

$$
FORECASTER...HAMILTON
REQUESTED BY...NDDES
TYPE OF REQUEST...HAZMAT
.TAG 20150506.TRAIL.01/BIS


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