Suppression Forecast
Issued by NWS Bismarck, ND

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000
FNUS73 KBIS 200918
FWSBIS

Spot Forecast for Hyatt Rx...MT-BCWF
National Weather Service Bismarck ND
418 AM CDT Sun May 20 2018

Forecast is based on ignition time of 1000 CDT on May 20.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Surface high pressure will slowly build east today into tonight.
Warmer daytime highs in the lower 70s are expected along with
ample sunshine. Winds will be relatively light from the east up
to 8 mph.

Dry weather continues through Monday. Southeast winds will
increase a bit as does low level moisture/afternoon humidity.

.REST OF TODAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Chance of pcpn......0 percent.
Max temperature.....Around 70.
Min humidity........25 percent.
Wind (20 ft)........East winds up to 8 mph.
Mixing height.......3600-5500 ft AGL increasing to 5600 ft AGL late
                    in the afternoon.
Transport winds.....East-Southeast 10 to 13 mph.
Smoke dispersal.....Good.
Haines Index........3 to 4 OR (very low) to (low).

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........2   2   3   3   4   3   3   5
CWR.............0   0   0   0   0   0   0   0
Chc of pcpn (%).0   0   0   0   0   0   0   0
Temp............57  61  64  65  67  68  69  70
RH..............48  38  33  29  27  26  25  25
20 FT wind dir..E   E   E   E   E   E   E   E
20 FT wind spd..5   6   6   6   7   7   8   8
20 FT wind gust.6   7   9   9   10  10  11  11
Mix hgt (kft)...3.6 4.3 4.9 5.3 5.4 5.5 5.6 5.6
Transp wind dir.E   E   E   E   E   E   E   E
Transp wind spd.12  13  13  12  12  12  12  12
Haines index....4   4   4   4   4   3   3   3

.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
Chance of pcpn......0 percent.
Min temperature.....Around 46.
Max humidity........74 percent.
Wind (20 ft)........East-southeast winds up to 7 mph in the evening
                    becoming light and variable after midnight.
Mixing height.......5400-5500 ft AGL decreasing to 400-500 ft AGL.
Transport winds.....Southeast 8 to 12 mph.
Smoke dispersal.....Good decreasing to poor in the evening.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........6   8   12  11  12  22  23  24  26  27  28  29
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............70  68  65  61  57  55  53  50  50  49  48  48
RH..............26  28  34  41  49  55  59  63  65  66  68  71
20 FT wind dir..E   E   E   E   E   SE  SE  SE  SE  SE  E   E
20 FT wind spd..7   7   6   6   5   4   5   4   4   4   4   4
20 FT wind gust.10  10  9
Mix hgt (kft)...5.5 5.4 2.9 1.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.E   E   E   E   E   SE  SE  SE  SE  SE  S   SE
Transp wind spd.12  12  12  12  12  12  12  12  10  10  9   8
Haines index....3   3   3   3   3   3   3   3   3   3   3   3

.MONDAY...

Sky/weather.........Partly sunny.
CWR.................0 percent.
Chance of pcpn......0 percent.
Max temperature.....Around 72.
Min humidity........46 percent.
Wind (20 ft)........Light winds becoming southeast up to 6 mph
                    early in the morning.
Mixing height.......400-1400 ft AGL increasing to 4400-4600 ft AGL.
Transport winds.....South 7 to 12 mph.
Smoke dispersal.....Poor to good (2600-40300 knot-ft).
Haines Index........2 to 4 OR (very low) to (low).

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........30        44        53        49
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Chc of pcpn (%).0         0         0         0
Temp............47        57        67        70
RH..............74        63        51        47
20 FT wind......E 4       SE 5G6    SE 6G9    SE 6G9
Mix hgt (ft)....400       2400      4100      4500
Transport wind..SE 7      SE 10     SE 12     S 9
Haines index....4         3         2         3
SDspl kt-ft/10003         22        40        34

$$
Forecaster...HEINERT
Requested by...Wayne
Type of request...PRESCRIBED
.TAG 1810329.0/BIS
.EMAIL mtbcwf@gmail.com



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