Suppression Forecast
Issued by NWS Upton, NY

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5
740
FNUS71 KOKX 281933
FWSOKX

Spot Forecast for BNL East Unit C South...Brookhaven National Laboratory
National Weather Service New York NY
333 PM EDT Wed Jun 28 2017

Forecast is based on ignition time of 0000 EDT on June 29.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

.REST OF TONIGHT...

Sky/weather.........Partly cloudy (20-30 percent).
CWR.................0 percent.
Min temperature.....Around 59.
Max humidity........84 percent.
Wind (20 ft)........
 Slope/valley.......Light and variable winds.
Mixing height.......300 ft AGL.
Transport winds.....Southwest 6 to 9 mph.

TIME (EDT)      MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........30  30  30  28  26  23
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0
Temp............64  63  62  61  60  61
RH..............75  78  81  81  84  81
20 FT wind dir..230 230 240 230 220 220
20 FT wind spd..4   4   3   3   3   3
20 FT wind gust.5   5   5   5   5   5
Mix hgt (kft)...0.3 0.3 0.3 0.3 0.3 0.3
Transp wind dir.230 230 240 230 220 220
Transp wind spd.9   8   7   6   6   7

.THURSDAY...

Sky/weather.........Mostly sunny (30-40 percent).
CWR.................10 percent.
Max temperature.....Around 81.
Min humidity........52 percent.
Wind (20 ft)........
 Slope/valley.......Light and variable winds, becoming south 10 to
                    15 mph with gusts up to 35 mph.
Mixing height.......0-1500 ft AGL, increasing to 3200-4600 ft AGL
                    late in the morning, then increasing to
                    4000-5300 ft AGL in the afternoon, decreasing
                    to 3200 ft AGL late.
Transport winds.....Southwest 8 to 16 mph, increasing to 31 to 38
                    mph.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........25  27  29  31  33  34  37  39  42  36  30  24
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   10  10  10
Temp............62  65  68  71  73  76  77  77  78  78  77  77
RH..............81  75  73  66  59  54  52  54  54  54  56  56
20 FT wind dir..220 220 220 220 210 200 200 200 200 200 200 200
20 FT wind spd..4   5   6   7   8   10  12  13  14  15  14  14
20 FT wind gust.5       10  15  20  25  30  30  30  35  35  35
Mix hgt (kft)...0.1 0.1 0.3 1.5 3.2 4.6 5.2 5.3 5.1 4.7 4.0 3.2
Transp wind dir.220 220 220 220 220 220 220 220 210 210 210 210
Transp wind spd.8   10  14  16  20  22  25  29  31  35  37  38

.THURSDAY NIGHT...

Sky/weather.........Partly cloudy (25-35 percent), then becoming
                    mostly cloudy (50-60 percent), then becoming
                    partly cloudy (40-50 percent).
CWR.................10 percent.
Min temperature.....Around 67.
Max humidity........84 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds 8 to 13 mph. Gusts up to 35
                    mph.
Mixing height.......700-2500 ft AGL, decreasing to 200-400 ft AGL
                    in the late evening and overnight.
Transport winds.....Southwest 30 to 38 mph, decreasing to 18 to 26
                    mph late in the evening.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........21  19  17  19  21  23  34  44  55  51  48  44
Weather cov.....
Weather type....
Tstm cov........
CWR.............10  10  10  10  10  10  10  10  10  10  10  10
Temp............75  74  72  72  71  71  71  71  70  70  69  69
RH..............62  64  71  71  76  76  76  79  81  81  84  81
20 FT wind dir..200 200 200 210 210 210 210 220 220 220 220 220
20 FT wind spd..13  13  12  12  11  11  10  10  9   8   7   7
20 FT wind gust.35  35  35  30  25  15  15  15  15  10  10  10
Mix hgt (kft)...2.5 1.8 1.2 0.7 0.4 0.3 0.2 0.2 0.3 0.2 0.2 0.3
Transp wind dir.210 210 210 210 210 210 210 220 220 220 220 220
Transp wind spd.38  37  35  32  30  26  25  24  22  21  18  18

.FRIDAY...

Sky/weather.........Mostly sunny (40-50 percent).
CWR.................10 percent.
Max temperature.....Around 83.
Min humidity........58 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds 8 to 13 mph.
Mixing height.......500-2200 ft AGL.
Transport winds.....Southwest 20 to 29 mph, increasing to 31 to 32
                    mph late.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........48  51  54  51  45  42  42  41  40  39  36  35
Weather cov.....
Weather type....
Tstm cov........
CWR.............10  10  10  10  10  10  10  10  10  10  10  10
Temp............70  71  72  74  77  79  80  81  82  82  81  80
RH..............81  79  79  74  67  64  62  60  58  58  60  65
20 FT wind dir..220 230 230 230 220 220 220 210 210 210 210 210
20 FT wind spd..7   9   10  10  11  11  12  12  13  13  13  13
20 FT wind gust.15  15  15  15  15  20  20  20  20  20  20  20
Mix hgt (kft)...0.5 0.9 1.2 1.4 1.5 1.6 1.9 2.1 2.2 2.1 1.8 1.5
Transp wind dir.220 230 230 230 220 220 220 220 220 220 210 210
Transp wind spd.20  23  25  24  24  23  24  25  26  29  31  32

$$
Forecaster...BG
Requested by...Kathy Schwager
Type of request...PRESCRIBED
.TAG 1711778.0/OKX
.EMAIL kschwager@bnl.gov



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.