Suppression Forecast
Issued by NWS Bismarck, ND

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FNUS73 KBIS 201346
FWSBIS

SPOT FORECAST FOR DAM 41...USFWS
NATIONAL WEATHER SERVICE BISMARCK ND
846 AM CDT WED MAY 20 2015

FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON MAY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE WILL REMAIN OVER THE REGION TODAY
MAINTAINING A NORTHWEST WIND. FROM THIS MORNINGS BISMARCK SOUNDING
THE LOW LEVEL INVERSION EXTENDED TO 1000 FEET AND WILL BREAK WHEN
THE TEMPERATURE REACHES 51 DEGREES. THIS SHOULD OCCUR BETWEEN 9
AND 10 AM CDT THIS MORNING. HIGHS TODAY WILL BE 69 WITH MINIMUM
RELATIVE HUMIDITY OF 26 PERCENT. THE MIXING HEIGHT WILL BE AROUND
10600 FT AGL. SMOKE DISPERSAL WILL BE VERY GOOD.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........66 AT IGNITION...MAX 69.
RH..................29 PERCENT AT IGNITION...MIN 26 PERCENT.
WIND................WINDS NORTHWEST AT 10 MPH AT
                    IGNITION...THEN NORTHWEST WINDS 10 TO 13
                    MPH IN THE AFTERNOON.
HAINES INDEX........6 HIGH AT IGNITION...MAX 6.
SMOKE DISPERSAL.....EXCELLENT.
LAL.................1.
CWR.................0 PERCENT.

TIME (CDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........10  11  12  13  14  15  14  11  10  13
WEATHER COV.....
WEATHER TYPE....
TEMP............41  48  55  60  62  64  66  67  68  69
RH..............62  50  41  37  33  31  29  28  27  26
20 FT WIND DIR..W   W   NW  NW  NW  NW  NW  NW  NW  NW
20 FT WIND SPD..10  12  14  14  14  12  11  11  10  10
20 FT WIND GUST.15  15  20  20  20  15  15  15  15  15
CWR.............0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1
HAINES INDEX....6   6   6   6   6   6   6   6   6   6

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
TEMPERATURE.........MIN 42.
RH..................MAX 78 PERCENT.
WIND................WEST WINDS 5 TO 9 MPH.
SMOKE DISPERSAL.....POOR.
LAL.................1.
CWR.................0 PERCENT.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........19     22     23     20     17     9
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............69     64     56     51     47     44
RH..............28     32     47     59     65     74
20 FT WIND......NW 10  NW 10  W 9    W 9    W 9    W 9
20 FT WIND GUST.15     15     10     10     10     10
CWR.............0      0      0      0      0      0
LAL.............1      1      1      1      1      1
HAINES INDEX....6      6      6      6      6      6

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 71.
RH..................MIN 30 PERCENT.
WIND................NORTHEAST WINDS 5 TO 8 MPH.
HAINES INDEX........6 HIGH.
SMOKE DISPERSAL.....VERY GOOD.
LAL.................1.
CWR.................0 PERCENT.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........17     20     21     22     23     26
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............42     48     60     66     68     70
RH..............79     66     44     36     33     31
20 FT WIND......W 9    NW 9   NW 9   N 9    N 9    N 9
20 FT WIND GUST.10     10     10     10     10     10
CWR.............0      0      0      0      0      0
LAL.............1      1      1      1      1      1
HAINES INDEX....6      6      6      6      6      6

$$
FORECASTER...ABELING
REQUESTED BY...TOM PABIAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20150520.DAM41.01/BIS



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