Spot Forecast
Issued by NWS Buffalo, NY

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FNUS71 KBUF 161114
FWSBUF

Spot Forecast for Sonyea Rx...NYS Forest Rangers
National Weather Service Buffalo NY
714 AM EDT Tue Apr 16 2024

Forecast is based on ignition time of 0800 EDT on April 16.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...
Expansive Canadian based high pressure will provide another day of
dry weather today that will last through the bulk of tonight.
Northwest winds will be 5 to 10 mph for most of the day with
winds briefly increasing to 10 to 15 mph this afternoon. Winds
will decrease to light to 5 mph tonight. Relative humidity values
will fall to the upper 20s to low 30s this afternoon. RH values will
climb to the upper 60s through tonight.

.REST OF TODAY...

Sky/weather.........Sunny (5 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 64.
Min humidity........28 percent.
Eye level winds.....Light winds becoming north up to 5 mph late in
                    the morning.
20 foot wind........Light winds becoming northwest 5 to 7 mph late
                    in the morning.
Mixing height.......Max 6600 ft agl.
Transport winds.....West 5 to 8 mph becoming northwest 10 to 14 mph
                    late in the morning.
Dispersion index....Max 79 (good).
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.
Rainfall amount.....0.00 inches.

TIME (EDT)          8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).............6   4   2   1   1   2   2   3   4   4
Weather cov.........
Weather type........
Tstm cov............
Chc of pcpn (%).....0   0   0   0   0   0   0   0   0   0
Temp................45  48  52  56  59  61  63  64  64  64
RH..................65  58  50  43  37  34  31  29  28  29
20 ft wind dir......SW  SW  W   NW  NW  NW  NW  NW  N   N
20 ft wind spd......2   2   3   5   6   7   7   7   7   7
20 ft wind gust.....6   6   7   10  10  11  12  12  11  10
Eye lvl wnd dir.....SW  W   W   NW  NW  NW  NW  NW  N   N
Eye lvl wnd spd.....3   3   3   4   4   4   5   5   5   4
Eye lvl wnd gst.....4   5   5   7   8   8   9   9   8   8
Mix hgt (kft).......1.3 2.4 3.8 5.0 5.8 6.4 6.6 6.6 6.4 5.8
Transp wind dir.....SW  W   W   NW  NW  NW  NW  NW  NW  NW
Transp wind spd.....5   6   8   10  13  14  14  14  13  12
Dispersion idx......5   12  27  45  64  77  79  79  70  58
Haines index........4   4   4   4   4   4   5   5   5   5

.TONIGHT...

Sky/weather.........Mostly clear (15 percent).
Chance of pcpn......0 percent.
Min temperature.....Around 40.
Max humidity........66 percent.
Eye level winds.....North winds around 4 mph early in the evening
                    becoming light.
20 foot wind........North winds around 6 mph decreasing to around 5
                    mph early in the evening, then becoming light
                    early in the evening.
Mixing height.......Min 100 ft agl.
Transport winds.....North 9 to 10 mph becoming southeast 6 to 8 mph
                    late in the evening.
Dispersion index....Min 1 (poor).
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.
Rainfall amount.....0.00 inches.

TIME (EDT)          6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).............7   9   12  14  15  17  17  17  17  20  23  26
Weather cov.........
Weather type........
Tstm cov............
Chc of pcpn (%).....0   0   0   0   0   0   0   0   0   0   0   0
Temp................61  58  55  51  47  45  43  43  42  41  40  40
RH..................31  35  40  46  51  56  58  59  60  62  64  66
20 ft wind dir......N   N   N   NE  E   SE  SE  SE  SE  SE  SE  E
20 ft wind spd......6   5   3   2   2   2   2   2   2   2   2   2
20 ft wind gust.....10  10  8   6   6   5   5   5   6   5   5   6
Eye lvl wnd dir.....N   N   N   NE  E   SE  SE  SE  SE  SE  SE  E
Eye lvl wnd spd.....4   4   3   2   2   2   2   2   2   2   2   2
Eye lvl wnd gst.....8   7   6   5   4   4   4   4   4   4   4   4
Mix hgt (kft).......4.9 3.8 2.7 1.7 0.7 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Transp wind dir.....N   N   N   NE  E   SE  SE  SE  SE  SE  SE  E
Transp wind spd.....10  9   9   8   7   6   7   7   7   8   8   8
Dispersion idx......44  30  22  12  4   1   1   1   1   1   1   1
Haines index........5   5   5   5   4   4   4   4   4   4   4   4

.WEDNESDAY...

Sky/weather.........Partly sunny (60 percent) then becoming cloudy
                    (95 percent). Slight chance of rain showers in
                    the morning. Rain showers likely late in the
                    morning, then rain showers late in the
                    afternoon.
Chance of pcpn......90 percent.
Max temperature.....Around 60.
Min humidity........53 percent.
Eye level winds.....Light winds becoming southeast up to 7 mph in
                    the late morning and afternoon.
20 foot wind........Southeast winds 5 to 9 mph early in the morning
                    becoming light, then becoming southeast 6 to 9
                    mph in the late morning and afternoon.
Mixing height.......Max 2500 ft agl.
Transport winds.....Southeast 8 to 16 mph increasing to 18 to 20
                    mph late in the afternoon.
Dispersion index....Max 37 (fair).
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.
Rainfall amount.....0.17 inches.

TIME (EDT)          6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).............39  51  64  72  81  90  90  95  100 100 100 100
Weather cov.........    SCH SCH SCH SCH LKY LKY LKY DEF DEF DEF DEF
Weather type........    RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov............
Chc of pcpn (%).....10  20  20  20  20  70  70  70  80  80  80  90
Temp................40  41  44  49  52  55  56  56  57  58  59  60
RH..................65  64  60  56  53  54  59  65  69  70  70  70
20 ft wind dir......E   E   E   E   SE  SE  SE  SE  SE  SE  SE  SE
20 ft wind spd......2   3   3   6   7   8   8   8   8   9   9   9
20 ft wind gust.....6   6   7   8   10  11  12  13  13  14  14  14
Eye lvl wnd dir.....E   E   E   E   SE  SE  SE  SE  SE  SE  SE  SE
Eye lvl wnd spd.....2   3   3   4   4   6   6   6   6   7   7   7
Eye lvl wnd gst.....4   5   5   6   8   8   9   10  10  10  10  10
Mix hgt (kft).......0.1 0.1 0.4 1.1 1.9 2.4 2.5 2.3 2.1 2.1 2.2 2.2
Transp wind dir.....E   E   E   SE  SE  SE  SE  SE  SE  SE  SE  SE
Transp wind spd.....8   8   9   10  13  14  15  15  15  16  18  20
Dispersion idx......1   1   3   10  21  29  33  30  27  29  35  37
Haines index........3   3   2   2   2   2   2   2   2   2   2   2

$$

Forecaster...JM
Requested by...TJ Carpenter
Type of request...PRESCRIBED
.TAG 2411077.0/BUF
.DELDT 04/16/24
.FormatterVersion 2.0.0
.EMAIL timothy.carpenter@dec.ny.gov


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