355  
FNUS71 KOKX 260807  
FWSOKX  
 
SPOT FORECAST FOR SARNOFF WEST BLOCK F RX...NYS-DEC  
NATIONAL WEATHER SERVICE NEW YORK NY  
407 AM EDT FRI APR 26 2024  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON APRIL 26.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
631-924-0383  
   
DISCUSSION
 
 
HIGH PRESSURE REMAINS OVER THE REGION THROUGH SATURDAY MORNING.  
LIGHT WINDS EARLY THIS MORNING BECOME EAST AROUND 5 MPH, THEN  
SOUTHEAST, AND FINALLY SOUTH THIS AFTERNOON, 5 TO 10 MPH. THE  
LOWEST RELATIVE HUMIDITY WILL BE AROUND 35 PERCENT.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CWR.................0 PERCENT.  
LAL.................NO TSTMS.  
TEMPERATURE.........44 AT IGNITION...MAX 57.  
RH..................65 PERCENT AT IGNITION...MIN 37 PERCENT.  
WIND (20 FT)........WINDS NORTHEAST AT 3 MPH AT  
IGNITION...OTHERWISE LIGHT WINDS BECOMING EAST  
AROUND 5 MPH LATE IN THE MORNING, THEN SHIFTING  
TO THE SOUTHEAST AROUND 6 MPH EARLY IN THE  
AFTERNOON SHIFTING TO THE SOUTH AROUND 7 MPH  
LATE IN THE AFTERNOON.  
MIXING HEIGHT.......1200 FT AGL AT IGNITION...OTHERWISE 2800 FT  
AGL.  
TRANSPORT WINDS.....EAST 3 TO 5 MPH SHIFTING TO THE SOUTH 7 TO 12  
MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR /1000 KNOT-FT/ AT IGNITION. MAX...GOOD  
/40300 KNOT-FT/.  
 
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........0 0 0 0 1 1 2 5 8 11  
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............44 48 51 53 55 57 57 57 55 53  
RH..............65 56 46 41 38 37 37 37 40 43  
20 FT WIND DIR..040 050 070 080 090 130 140 160 180 190  
20 FT WIND SPD..3 4 4 5 5 6 6 6 7 7  
20 FT WIND GUST.4 5 5 6 6 7 8  
MIX HGT (KFT)...1.2 1.6 2.0 2.4 2.7 2.8 2.8 2.6 2.3 1.8  
TRANSP WIND DIR.060 070 080 090 100 120 150 180 190 200  
TRANSP WIND SPD.3 3 5 5 5 5 5 7 9 12  
VRATE KT-FT/1K..1 8 18 27 33 37 38 40 40 36  
VENTRATE CAT....PR PR PR PR PR PR PR FR FR PR  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT). AREAS OF FROST  
OVERNIGHT. PATCHY FROST OVERNIGHT, THEN AREAS  
OF FROST AFTER 3 AM.  
CWR.................0 PERCENT.  
LAL.................NO TSTMS.  
TEMPERATURE.........MIN 32.  
RH..................MAX 92 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5 TO 6 MPH BECOMING LIGHT.  
MIXING HEIGHT.......200 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 12 MPH.  
SMOKE DISPERSAL.....FAIR (26800 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (0 KNOT-FT) LATE IN THE  
NIGHT.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........10 8 7 6 4 3 3 2 2 2 3 3  
WEATHER COV..... ARS PTY PTY PTY ARS ARS  
WEATHER TYPE.... FST FST FST FST FST FST  
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............51 48 45 42 40 38 38 37 36 34 32 32  
RH..............48 54 62 70 76 79 76 79 79 85 88 92  
20 FT WIND DIR..190 190 180 180 180 180 190 200 210 210 220 230  
20 FT WIND SPD..6 6 5 5 4 4 4 3 3 3 2 2  
20 FT WIND GUST.7 6 6 5 5 5 4 4 4  
MIX HGT (KFT)...1.3 0.8 0.5 0.3 0.3 0.3 0.3 0.3 0.3 0.2 0.2 0.2  
TRANSP WIND DIR.190 190 180 180 180 180 190 200 210 220 230 230  
TRANSP WIND SPD.12 12 10 9 9 8 7 7 6 6 5 5  
VRATE KT-FT/1K..27 13 2 0 0 1 1 1 1 0 0 0  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT). AREAS OF FROST  
EARLY IN THE MORNING.  
CWR.................0 PERCENT.  
LAL.................NO TSTMS.  
TEMPERATURE.........MAX 58.  
RH..................MIN 37 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 9 MPH IN THE  
LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......2500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 14 MPH INCREASING TO 15 TO 16  
MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (0 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (74500 KNOT-FT) IN THE  
AFTERNOON.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........6 9 12 16 21 25 28 30 33 37 41 45  
WEATHER COV.....ARS  
WEATHER TYPE....FST  
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............35 40 45 50 53 56 57 58 58 58 56 54  
RH..............89 79 70 58 48 42 38 37 37 37 40 43  
20 FT WIND DIR..230 220 220 210 200 190 200 200 200 200 210 210  
20 FT WIND SPD..2 2 3 4 5 6 6 7 8 9 9 9  
20 FT WIND GUST. 4 4 5 6 7 8 10 11 12 13 14  
MIX HGT (KFT)...0.2 0.4 0.7 1.2 1.8 2.3 2.5 2.4 2.3 2.2 2.0 1.7  
TRANSP WIND DIR.230 230 220 210 200 200 200 200 200 210 210 210  
TRANSP WIND SPD.5 5 5 6 7 9 10 13 14 15 16 16  
VRATE KT-FT/1K..0 0 2 11 25 41 54 64 69 75 74 64  
VENTRATE CAT....PR PR PR PR PR FR FR GD GD GD GD GD  
 

 
FORECASTER...MET  
REQUESTED BY...BRYAN GALLAGHER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2412499.0/OKX  
.DELDT 04/25/24  
.FORMATTERVERSION 2.0.0  
.EMAIL BRYAN.GALLAGHER@DEC.NY.GOV  
 
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