431  
FNUS71 KOKX 172004  
FWSOKX  
 
SPOT FORECAST FOR SOUTH OF CURRANS UNIT 4...NYS-DEC  
NATIONAL WEATHER SERVICE NEW YORK NY  
404 PM EDT THU APR 17 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON APRIL 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
SOUTHERLY WINDS WILL INCREASE ON FRIDAY. WIND SPEEDS WILL  
INITIALLY BE LIGHT IN THE MORNING, BUT WILL INCREASE TO AROUND  
10-15 MPH IN THE AFTERNOON. GUSTS AROUND 20 MPH ARE POSSIBLE IN  
THE AFTERNOON. RH VALUES START OUT AROUND 60 PERCENT, BUT FALL  
TO 35-40 PERCENT IN THE EARLY AFTERNOON. RH VALUES SHOULD SLOWLY  
INCREASE THE REST OF THE AFTERNOON TO 45-50 PERCENT.  
   
FRIDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
TEMPERATURE.........46 AT IGNITION...MAX 60.  
RH..................60 PERCENT AT IGNITION...MIN 37 PERCENT.  
WIND (20 FT)........WINDS SOUTH AT 1 MPH AT IGNITION...OTHERWISE  
LIGHT WINDS BECOMING SOUTH 6 TO 10 MPH WITH  
GUSTS TO AROUND 19 MPH LATE IN THE MORNING.  
MIXING HEIGHT.......300 FT AGL AT IGNITION...OTHERWISE 3200 FT AGL.  
TRANSPORT WINDS.....SOUTH 2 TO 7 MPH INCREASING TO SOUTHWEST AROUND  
35 MPH.  
ADI.................2 EARLY IN THE MORNING INCREASING TO 93 IN THE  
AFTERNOON.  
 
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........11 18 24 30 31 32 33 40 46 53  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0  
TEMP............46 49 53 56 58 59 59 58 57 55  
RH..............60 52 44 38 37 40 42 44 45 47  
20 FT WIND DIR..180 190 200 200 200 200 200 200 200 200  
20 FT WIND SPD..1 2 4 6 7 8 10 10 10 10  
20 FT WIND GUST.2 6 7 10 13 14 18 19 19 19  
MIX HGT (KFT)...0.3 1.0 1.9 2.7 3.0 3.2 3.0 2.5 1.8 1.1  
TRANSP WIND DIR.180 190 210 230 220 220 220 220 210 210  
TRANSP WIND SPD.2 7 14 20 24 26 29 32 35 35  
ADI.............2 21 45 67 82 92 93 83 66 49  
   
FRIDAY NIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (50-60 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...3 PERCENT.  
TEMPERATURE.........MIN 48.  
RH..................MAX 83 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 9 TO 10 MPH WITH GUSTS TO  
AROUND 18 MPH.  
MIXING HEIGHT.......200 FT AGL.  
TRANSPORT WINDS.....SOUTH 23 TO 32 MPH SHIFTING TO THE SOUTHWEST 22  
TO 24 MPH IN THE LATE EVENING AND OVERNIGHT.  
ADI.................19 TO 37.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........50 48 45 49 52 56 56 56 55 55 54 53  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............54 52 51 50 50 50 51 51 51 51 51 52  
RH..............46 50 54 61 63 68 71 77 80 83 83 80  
20 FT WIND DIR..200 200 200 200 200 200 200 210 210 210 210 210  
20 FT WIND SPD..10 10 10 9 9 9 10 10 10 10 10 10  
20 FT WIND GUST.18 18 18 18 18 18 18 18 18 18 18 18  
MIX HGT (KFT)...0.7 0.4 0.3 0.2 0.2 0.3 0.3 0.3 0.3 0.3 0.3 0.3  
TRANSP WIND DIR.210 200 200 200 200 200 200 210 210 210 210 210  
TRANSP WIND SPD.32 29 24 23 22 22 23 24 24 24 24 24  
ADI.............37 28 22 19 19 20 20 21 22 22 22 22  
   
SATURDAY  
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).  
CWR.................10 PERCENT.  
CHANCE OF THUNDER...3 PERCENT.  
TEMPERATURE.........MAX 73.  
RH..................MIN 51 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 10 TO 11 MPH WITH GUSTS TO  
AROUND 21 MPH.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 24 TO 26 MPH.  
ADI.................20 TO 30.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........52 50 49 53 57 61 63 65 67 63 60 57  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 10 10 10 10  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............53 54 56 59 61 64 66 69 70 70 70 69  
RH..............77 77 74 69 65 60 58 55 53 53 51 53  
20 FT WIND DIR..210 220 220 220 220 220 220 220 220 220 220 220  
20 FT WIND SPD..11 11 11 11 11 11 11 11 11 11 10 10  
20 FT WIND GUST.18 18 18 18 19 20 20 21 21 21 20 20  
MIX HGT (KFT)...0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3  
TRANSP WIND DIR.210 220 220 220 220 220 220 220 220 220 220 220  
TRANSP WIND SPD.25 26 26 26 26 26 26 26 26 26 25 24  
ADI.............21 20 20 23 27 29 30 30 29 29 28 27  
 
 
FORECASTER...DS  
REQUESTED BY...BRYAN GALLAGHER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2510925.0/OKX  
.DELDT 04/17/25  
.FORMATTERVERSION 2.0.0  
.EMAIL BRYAN.GALLAGHER@DEC.NY.GOV  
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