Spot Forecast
Issued by NWS Bismarck, ND
Issued by NWS Bismarck, ND
858
FNUS73 KBIS 070852
FWSBIS
Spot Forecast for Cornell WPA...USFWS
National Weather Service Bismarck ND
352 AM CDT Fri Jun 7 2024
Forecast is based on ignition time of 0900 CDT on June 07.
If conditions become unrepresentative, contact the National Weather
Service.
.DISCUSSION...
Weather conditions should be pleasant at the burn site at ignition
time of 0900, with sunny skies and light winds. Winds will become
southerly in the afternoon around 10 mph ahead of an approaching
system that will bring increasing clouds, a chance for showers and
thunderstorms late this afternoon, and winds shifting to northerly
this evening. Minimum relative humidity at the burn site will be
around 28 percent. Precipitation chances continue through the evening
before drier conditions late tonight and through Saturday. On
Saturday, expect mostly sunny skies, northwest winds around 15 mph,
and minimum relative humidity around 29 percent.
.REST OF TODAY...
Sky/weather.........Mostly sunny in the morning before becoming
mostly cloudy late in the afternoon. Slight chance
of showers and thunderstorms late in the afternoon.
CWR.................0 percent increasing to 14 percent late in the
afternoon.
Chance of pcpn......20 percent.
LAL.................1.
Max temperature.....Around 76.
Min humidity........28 percent.
Wind (20 ft)........Southwest winds 6 to 7 mph shifting to the
south 7 to 10 mph in the afternoon.
Mixing height.......7300 ft AGL.
Transport winds.....West 7 to 9 mph shifting to the south 10 to 13
mph late in the afternoon.
Smoke dispersal.....Poor (7300 knot-ft) early in the morning
increasing to good (80300 knot-ft) in the
afternoon.
Haines Index........4 to 5 or low to moderate potential for large
plume dominated fire growth.
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........10 11 12 23 28 46 54 55 61
Weather cov..... SCH
Weather type.... RW
Tstm cov........ S CHC
CWR.............0 0 0 0 0 0 0 10 10
Chc of pcpn (%).0 0 0 0 0 10 10 10 20
LAL.............1 1 1 1 1 1 1 1 1
Temp............61 68 70 73 74 75 75 75 74
RH..............48 33 30 28 28 28 29 31 33
20 FT wind dir..W W SW SW S S S S S
20 FT wind spd..6 6 6 7 7 8 9 9 10
20 FT wind gust.9 10 10 10 10 11 12 14 15
Mix hgt (kft)...0.9 2.4 4.2 5.4 6.4 6.8 7.1 7.3 7.0
Transp wind dir.W W W W W S S S S
Transp wind spd.9 9 9 7 8 10 12 13 12
Haines index....5 5 5 4 4 4 5 5 4
Dispr kt-ft/1K..7 19 33 32 45 61 71 80 70
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming mostly clear. Chance
of showers and thunderstorms through the evening.
CWR.................14 percent increasing to 41 percent early in
the evening, then decreasing to 30 percent late
in the evening decreasing to 0 percent
overnight.
Chance of pcpn......60 percent.
LAL.................1 until 1900, then 2 until 0100, then 1.
Min temperature.....Around 47.
Max humidity........86 percent.
Wind (20 ft)........Southeast winds around 12 mph shifting to the
north 9 to 12 mph in the evening, then shifting
to the west 8 to 9 mph overnight. Gusty and
erratic winds expected near thunderstorms in
the evening.
Mixing height.......400 ft AGL.
Transport winds.....Southeast around 13 mph shifting to the north
14 to 22 mph in the evening, then decreasing to
around 10 mph overnight.
Smoke dispersal.....Good (61800 knot-ft) early in the evening
decreasing to poor (3200 knot-ft) late in the
night.
Haines Index........3 to 5 or very low to moderate potential for
large plume dominated fire growth.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
Sky (%).........76 88 81 51 28 14
Weather cov.....CHANCE LIKELY CHANCE S CHC
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR NONE NONE
Tstm cov........S CHC S CHC S CHC S CHC
CWR.............10 40 30 30 0 0
Chc of pcpn (%).40 60 50 20 10 0
LAL.............1 2 2 2 1 1
Temp............74 64 56 53 51 49
RH..............33 50 69 80 83 86
20 ft wind......SE 12 N 11 N 10 N 9 W 8 W 8
20 ft wind gust.15 15 15 13 11 13
Mix hgt (ft)....5600 1300 2500 600 400 400
Transport wind..SE 13 N 20 N 21 N 10 W 9 W 13
Haines index....4 3 3 3 4 5
Dispr kt-ft/1K..62 22 46 6 3 4
.SATURDAY...
Sky/weather.........Mostly sunny.
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 72.
Min humidity........29 percent.
Wind (20 ft)........Northwest winds 10 to 15 mph.
Mixing height.......9400 ft AGL.
Transport winds.....West 15 to 23 mph.
Smoke dispersal.....Poor (5500 knot-ft) early in the morning
increasing to good (99800 knot-ft) in the
morning, then increasing to excellent
(178100 knot-ft) in the afternoon.
Haines Index........5 to 6 or moderate to high potential for large
plume dominated fire growth.
TIME (CDT) 6 AM 9 AM NOON 3 PM
Sky (%).........24 7 11 17
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............48 58 68 71
RH..............86 67 36 29
20 FT wind......W 9G14 W 11G15 NW 13G19 NW 15G20
Mix hgt (ft)....400 1100 7900 9100
Transport wind..W 15 W 18 W 21 W 22
Haines index....5 6 6 6
Dispr kt-ft/1K..6 17 143 171
$$
Forecaster...JONES
Requested by...D. Mireles
Type of request...PRESCRIBED
.TAG 2415749.0/BIS
.DELDT 06/07/24
.FormatterVersion 2.0.0
.EMAIL Dustin_mireles@fws.gov