185
FNUS71 KOKX 290844
FWSOKX
SPOT FORECAST FOR BNL NORTHEAST COMPLEX UNIT G...BROOKHAVEN NATIONAL LABORATORY/BROOKHAVEN
NATIONAL WEATHER SERVICE NEW YORK NY
444 AM EDT FRI MAY 29 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON MAY 29.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
MAINLY DRY CONDITIONS ARE EXPECTED TODAY, WITH SHOWERS MOVING INTO
EASTERN PORTIONS OF THE FORECAST AREA OVERNIGHT. SHOWERS ON
SATURDAY AFTERNOON WILL BE LIMITED TO EXTREME SOUTHEASTERN CT.
WINDS TODAY WILL BE LESS THAN 20 MPH, BUT INCREASE OVERNIGHT.
SATURDAY WILL SEE WINDS GUST TO 25 TO 35 MPH. MINIMUM RH VALUES
TODAY WILL RANGE FROM 20-45% AND HIGHER ON SATURDAY: 35-60%,
LOWEST ACROSS THE LOWER HUDSON VALLEY, NORTHEAST NJ, AND NYC.
REST OF TODAY
SKY/WEATHER.........SUNNY (20-30 PERCENT) THEN BECOMING PARTLY
SUNNY (50-60 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........64 AT IGNITION...MAX 80.
RH..................54 PERCENT AT IGNITION...MIN 35 PERCENT.
WIND (20 FT)........WINDS NORTHWEST AT 6 MPH AT
IGNITION...OTHERWISE NORTHWEST WINDS AROUND 6
MPH SHIFTING TO THE WEST 6 TO 7 MPH LATE IN THE
AFTERNOON.
MIXING HEIGHT.......1800 FT AGL AT IGNITION...OTHERWISE 6200 FT
AGL.
TRANSPORT WINDS.....NORTHWEST 16 TO 18 MPH SHIFTING TO THE WEST 17
TO 18 MPH LATE IN THE AFTERNOON.
ADI.................36 EARLY IN THE MORNING INCREASING TO 127 IN
THE AFTERNOON.
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........2 1 1 4 4 7 19 41 47 56
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............64 66 70 73 75 78 78 78 79 78
RH..............54 56 47 41 38 35 35 36 36 39
20 FT WIND DIR..320 310 310 310 300 290 280 270 260 230
20 FT WIND SPD..6 6 6 6 6 6 6 6 6 7
20 FT WIND GUST.11 11 11 11 11 11 11 11 11 13
MIX HGT (KFT)...1.8 2.8 3.4 4.1 5.0 5.8 6.2 5.9 5.3 3.1
TRANSP WIND DIR.330 330 340 320 310 310 290 280 270 240
TRANSP WIND SPD.16 17 17 17 18 18 18 18 18 17
ADI.............36 61 72 85 106 120 127 121 112 56
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING
CLEAR (0-5 PERCENT). CHANCE OF RAIN SHOWERS
EARLY IN THE EVENING.
CWR.................0 PERCENT INCREASING TO 30 PERCENT EARLY IN THE
EVENING, THEN DECREASING TO 10 PERCENT
OVERNIGHT.
CHANCE OF THUNDER...6 PERCENT.
TEMPERATURE.........MIN 54.
RH..................MAX 64 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 6 MPH WITH GUSTS TO AROUND
17 MPH SHIFTING TO THE NORTHWEST 6 TO 11 MPH
WITH GUSTS TO AROUND 21 MPH OVERNIGHT.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 13 TO 17 MPH SHIFTING TO THE
NORTHWEST 16 TO 23 MPH OVERNIGHT.
ADI.................8 TO 21.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........51 74 78 83 79 87 89 73 56 34 22 1
WEATHER COV..... CHC CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........
CWR.............0 0 30 30 30 30 30 30 10 10 10 0
CHC OF THDR (%).0 0 10 10 10 10 10 10 0 0 0 0
TEMP............75 73 68 66 66 66 66 65 64 61 58 56
RH..............43 48 59 63 63 63 63 63 58 58 60 62
20 FT WIND DIR..220 220 220 230 220 210 230 290 300 310 300 310
20 FT WIND SPD..6 6 6 5 5 6 6 6 7 9 10 11
20 FT WIND GUST.12 12 11 10 10 14 17 17 18 18 20 21
MIX HGT (KFT)...1.2 0.8 0.5 0.5 0.5 0.5 0.6 0.8 0.7 0.8 1.1 1.3
TRANSP WIND DIR.220 210 210 230 240 230 260 300 310 310 310 310
TRANSP WIND SPD.17 15 14 13 13 14 14 16 16 18 20 23
ADI.............15 10 9 8 8 9 12 14 14 12 18 21
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........MAX 66.
RH..................MIN 41 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 12 TO 17 MPH WITH GUSTS TO
AROUND 29 MPH SHIFTING TO THE NORTH 12 TO 16
MPH WITH GUSTS TO AROUND 29 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......5500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 18 TO 20 MPH INCREASING TO NORTH 28
TO 33 MPH EARLY IN THE MORNING.
ADI.................67 EARLY IN THE MORNING INCREASING TO 123 IN
THE AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........8 15 22 9 43 52 66 51 51 45 29 18
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............56 55 57 55 58 59 62 62 63 66 65 64
RH..............62 64 59 64 57 55 50 50 46 42 41 43
20 FT WIND DIR..310 320 320 330 340 350 000 000 000 010 010 010
20 FT WIND SPD..12 13 14 16 17 16 16 16 16 15 14 12
20 FT WIND GUST.21 23 24 26 28 29 29 28 26 25 23 21
MIX HGT (KFT)...3.8 4.1 3.7 4.6 4.8 4.8 5.1 4.4 4.6 5.5 5.4 4.8
TRANSP WIND DIR.320 330 320 340 350 350 350 000 000 000 000 010
TRANSP WIND SPD.18 20 28 31 31 32 33 33 33 29 28 29
ADI.............67 73 101 102 111 90 92 123 118 114 109 103
FORECASTER...JP
REQUESTED BY...KATHY SCHWAGER
TYPE OF REQUEST...PRESCRIBED
.TAG 2614637.0/OKX
.DELDT 05/29/26
.FORMATTERVERSION 2.0.0
.EMAIL KSCHWAGER@BNL.GOV
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