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Spot Forecast
Issued by NWS Upton, NY

000
FNUS71 KOKX 250202
FWSOKX

Spot Forecast for Big Field North & South RX...NYS-DEC
National Weather Service New York NY
1002 PM EDT Wed Apr 24 2024

Forecast is based on ignition time of 0800 EDT on April 25.
If conditions become unrepresentative, contact the National Weather
Service.

631-924-0383

.DISCUSSION...
High pressure builds into the area on Thursday with light NE winds
in the morning becoming SE in the afternoon.

.THURSDAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
LAL.................No Tstms.
Temperature.........38 at ignition...Max 54.
RH..................44 percent at ignition...Min 22 percent.
Wind (20 ft)........Winds northeast at 7 mph at
                    ignition...otherwise Northeast winds 5 to 7 mph
                    shifting to the southeast around 6 mph late in
                    the afternoon.
Mixing height.......2500 ft AGL at ignition...otherwise 5500 ft
                    AGL.
Transport winds.....Northeast 7 to 16 mph decreasing to around 6
                    mph early in the afternoon, then shifting to
                    the southeast 6 to 7 mph late in the afternoon.
Smoke dispersal.....Good /47400 knot-ft/ at ignition. Max...good
                    /47400 knot-ft/.

TIME (EDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........15  14  10  7   5   3   2   1   1   1
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1
Temp............38  40  43  46  49  51  53  54  54  54
RH..............44  41  36  32  29  27  24  22  25  30
20 FT wind dir..030 030 030 030 040 040 040 060 150 160
20 FT wind spd..7   6   6   7   6   6   5   5   6   6
20 FT wind gust.10  10  10  10  10  10  7   6   7   8
Mix hgt (kft)...2.5 2.8 3.1 3.5 4.0 4.5 4.9 5.4 5.5 5.1
Transp wind dir.040 040 040 050 040 040 040 070 130 160
Transp wind spd.16  14  12  10  8   7   6   6   6   7
Vrate kt-ft/1K..47  44  39  33  30  26  24  24  25  26
Ventrate Cat....FR  FR  PR  PR  PR  PR  PR  PR  PR  PR

.THURSDAY NIGHT...

Sky/weather.........Clear (0-5 percent).
CWR.................0 percent.
LAL.................No Tstms.
Temperature.........Min 33.
RH..................Max 82 percent.
Wind (20 ft)........South winds 5 to 6 mph in the evening becoming
                    light.
Mixing height.......0 ft AGL.
Transport winds.....South 7 to 14 mph shifting to the southwest
                    around 6 mph after 3 am, then shifting to the
                    northwest 6 to 7 mph after 3 am.
Smoke dispersal.....Fair (22600 knot-ft) early in the evening
                    decreasing to poor (700 knot-ft) late in the
                    night.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........1   2   2   2   1   1   1   1   2   2   3   3
Weather cov.....
Weather type....
Tstm cov........
CWR.............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............50  46  42  41  40  38  37  37  36  34  33  33
RH..............36  43  55  59  64  70  72  72  72  78  78  82
20 FT wind dir..170 170 170 170 160 160 170 180 190 220 320 350
20 FT wind spd..6   5   6   5   5   5   5   4   3   1   1   3
20 FT wind gust.7   7   8   8   7   6   6   6   5   4   4   4
Mix hgt (kft)...3.6 1.7 0.3 0.1 0.1 0.3 0.3 0.3 0.3 0.3 0.3 0.3
Transp wind dir.160 170 170 170 160 160 170 180 190 230 310 350
Transp wind spd.9   12  14  14  13  12  9   8   7   6   6   7
Vrate kt-ft/1K..23  18  13  9   5   2   1   1   2   1   1   2
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR


$$
Forecaster...DW
Requested by...Bryan Gallagher
Type of request...PRESCRIBED
.TAG 2412364.0/OKX
.DELDT 04/24/24
.FormatterVersion 2.0.0
.EMAIL bryan.gallagher@dec.ny.gov