Suppression Forecast
Issued by NWS Bismarck, ND

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2
771
FNUS73 KBIS 241515
FWSBIS

Spot Forecast for Donut Hole Blackline...NPS
National Weather Service Bismarck ND
1015 AM CDT Tue Apr 24 2018

Forecast is based on ignition time of 1000 MDT on April 24.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Sunny skies today behind a cold front that moved through this morning.
Winds this morning north to northwest at 5-15 mph, decreasing to 5-10
mph this afternoon. Lowest relative humidity values this afternoon will
be around 25 percent.

.REST OF TODAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 56.
Min humidity........27 percent.
Wind (20 ft)........North winds 5 to 15 mph this morning, diminishing
                    to 5 to 10 mph this afternoon.
Mixing height.......4500-5700 ft AGL.
Transport winds.....North 7 to 13 mph.
Smoke dispersal.....Good (33300 knot-ft).
Haines Index........3 to 4 OR (very low) to (low).

TIME (MDT)      10A 11A 12P 1PM 2PM 3PM 4PM
Sky (%).........14  5   2   3   2   1   1
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0
Chc of pcpn (%).0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1
Temp............44  48  51  52  54  55  56
RH..............52  42  34  32  30  29  27
20 FT wind dir..N   N   N   N   N   N   N
20 FT wind spd..8   10  12  10  8   6   6
20 FT wind gust.
Mix hgt (kft)...4.5 4.9 5.3 5.5 5.6 5.7 5.5
Transp wind dir.N   N   N   N   N   N   N
Transp wind spd.13  12  9   8   8   7   7
Haines index....3   3   3   3   4   4   4
SDspl kt-ft/100050  49  43  44  39  34  34

.TONIGHT...

Sky/weather.........Clear.
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 31.
Max humidity........85 percent.
Wind (20 ft)........South winds up to 6 mph.
Mixing height.......3600-5400 ft AGL decreasing to 100-2000 ft AGL
                    in the late evening and overnight.
Transport winds.....Southwest 6 to 15 mph.
Smoke dispersal.....Poor to good (1600-32700 knot-ft).

TIME (MDT)      5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM
Sky (%).........2   2   1   1   2   2   2   3   3   4   4   4
Weather cov.....
Weather type....
Tstm cov........
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
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............56  56  53  49  46  42  40  36  35  33  32  31
RH..............27  28  33  40  49  59  65  79  78  83  85  85
20 FT wind dir..NW  NW  W   SW  S   S   S   S   S   S   S   S
20 FT wind spd..5   5   5   5   6   6   6   6   6   6   6   6
20 FT wind gust.                                            9
Mix hgt (kft)...5.4 5.3 3.6 2.0 0.3 0.3 0.2 0.2 0.2 0.1 0.1 0.2
Transp wind dir.NW  NW  W   W   SW  SW  SW  SW  SW  SW  SW  SW
Transp wind spd.7   6   6   6   7   8   10  12  13  14  15  15
Haines index....4   4   4   3   3   3   3   3   3   3   3   3
SDspl kt-ft/100033  27  18  10  2   2   2   2   2   2   2   2

.WEDNESDAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 71.
Min humidity........24 percent.
Wind (20 ft)........Southwest winds 7 to 17 mph.
Mixing height.......200-2100 ft AGL increasing to 2500-3300 ft AGL
                    early in the afternoon.
Transport winds.....Southwest 15 to 23 mph.
Smoke dispersal.....Poor to good (2300-46900 knot-ft) increasing to
                    good to excellent (53500-64100 knot-ft) late in
                    the afternoon.
Haines Index........4 to 5 OR (low) to (moderate).

TIME (MDT)      5 AM      8 AM      11 AM     2 PM
Sky (%).........3         6         13        15
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Chc of pcpn (%).0         0         0         0
LAL.............1         1         1         1
Temp............31        43        59        68
RH..............81        54        30        24
20 FT wind......S 7G10    S 12G14   SW 16G18  SW 17G19
Mix hgt (ft)....200       600       1700      2900
Transport wind..SW 15     SW 17     SW 20     SW 22
Haines index....4         5         5         5
SDspl kt-ft/10002         9         29        55

$$
Forecaster...HAMILTON
Requested by...Dave Kannas
Type of request...PRESCRIBED
.TAG 1807634.0/BIS
.EMAIL dave_kannas@nps.gov



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.