190
FNUS71 KAKQ 180955
FWSAKQ

Spot Forecast for James River NWR Rx...Fws
National Weather Service Wakefield VA
555 AM EDT Fri Apr 18 2025

Forecast is based on ignition time of 0600 EDT on April 18.
If conditions become unrepresentative...contact the National Weather
Service at 757-899-5734.

.DISCUSSION...
High pressure settles off the coast today into the weekend,
resulting in warm and breezy conditions. Inland min RH values
generally 30-35% this afternoon. Low level moisture increases
a bit this weekend but the next chance for measurable rainfall
will hold off until early next week.

.TODAY...

Sky/weather.........Sunny (10-20 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 79.
Min humidity........36 percent.
Wind (20 ft)........Light winds becoming south 5 to 12 mph with
                    gusts to around 21 mph in the late morning and
                    afternoon.
Mixing height.......5500 ft AGL.
Transport winds.....South 5 to 14 mph increasing to southwest
                    around 26 mph.
Smoke dispersal.....Poor (2185 mph-ft) early in the morning
                    increasing to excellent (102004 mph-ft) in the
                    afternoon increasing to excellent (122129
                    mph-ft) late in the afternoon.
LVORI...............3.
ADI.................2 early in the morning increasing to 114 in the
                    afternoon.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........9   7   6   9   12  15  17  18  20  20  20  20
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............46  47  50  56  62  68  71  73  76  77  78  79
RH..............83  80  80  69  62  54  47  43  37  37  36  36
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   S   S
20 FT wind spd..3   4   4   5   6   8   9   10  11  11  12  12
20 FT wind gust.6   6   6   8   11  14  15  18  20  20  21  21
Mix hgt (kft)...0.4 0.5 0.5 1.1 1.7 2.3 3.2 4.2 5.1 5.2 5.3 5.5
Transp wind dir.S   S   S   S   S   S   S   S   SW  SW  SW  SW
Transp wind spd.5   6   7   9   10  14  15  17  20  23  26  26
LVORI...........5   4   4   3   2   1   1   1   1   1   1   1
ADI.............2   5   7   13  24  39  62  68  83  99  111 114
Vrate mph-ft/1K.2   2   3   9   18  30  50  74  102 122 139 144
Ventrate Cat....PR  PR  PR  PR  PR  PR  FR  GD  GD  VGD VGD VGD

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
Chance of pcpn......0 percent.
Min temperature.....Around 61.
Max humidity........78 percent.
Wind (20 ft)........South winds 7 to 10 mph. Gusts up to 21 mph
                    early in the evening.
Mixing height.......500 ft AGL.
Transport winds.....Southwest 15 to 22 mph decreasing to 9 to 14
                    mph early in the evening.
Smoke dispersal.....Excellent (83375 mph-ft) early in the evening
                    decreasing to poor (5290 mph-ft) late in the
                    night.
LVORI...............2.
ADI.................80 early in the evening decreasing to 6 late in
                    the night.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........18  15  13  16  19  22  23  23  24  26  28  31
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............76  74  71  69  67  67  66  65  64  64  64  63
RH..............40  44  49  55  59  61  63  65  67  67  70  72
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   SW  SW
20 FT wind spd..10  9   7   8   8   9   9   8   8   8   8   8
20 FT wind gust.19  14  12  13  14  14  14  14  14  14  14  14
Mix hgt (kft)...3.8 2.2 0.5 0.5 0.6 0.6 0.6 0.6 0.5 0.6 0.6 0.6
Transp wind dir.SW  S   S   S   S   S   S   S   SW  SW  SW  SW
Transp wind spd.22  15  10  9   12  13  14  14  14  13  13  13
LVORI...........1   2   2   2   3   3   3   3   3   3   3   3
ADI.............80  10  7   6   7   8   9   9   9   9   8   8
Vrate mph-ft/1K.83  33  5   5   5   7   7   7   7   7   7   7
Ventrate Cat....GD  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.SATURDAY...

Sky/weather.........Mostly sunny (25-35 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 86.
Min humidity........40 percent.
Wind (20 ft)........Southwest winds 8 to 12 mph. Gusts up to 23 mph
                    in the late morning and afternoon.
Mixing height.......3900 ft AGL.
Transport winds.....Southwest 14 to 23 mph increasing to 24 to 26
                    mph in the afternoon.
Smoke dispersal.....Poor (11385 mph-ft) early in the morning
                    increasing to excellent (98094 mph-ft) in the
                    afternoon.
LVORI...............3.
ADI.................9 early in the morning increasing to 94 in the
                    afternoon.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........31  32  33  29  26  22  25  28  31  34  37  40
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............62  63  65  69  73  77  80  82  83  84  86  84
RH..............78  75  73  66  59  54  49  47  46  44  40  43
20 FT wind dir..SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..8   8   8   9   11  12  12  12  12  12  11  11
20 FT wind gust.14  14  14  15  18  21  21  21  21  21  20  20
Mix hgt (kft)...0.8 1.0 1.2 1.6 2.1 2.5 2.8 3.2 3.5 3.7 3.8 3.9
Transp wind dir.SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Transp wind spd.14  16  18  21  22  23  24  24  24  25  26  25
LVORI...........4   3   3   1   1   1   1   1   1   1   1   1
ADI.............9   22  30  44  56  67  74  80  85  90  94  93
Vrate mph-ft/1K.11  16  22  33  45  58  67  76  85  92  98  97
Ventrate Cat....PR  PR  PR  PR  PR  FR  FR  GD  GD  GD  GD  GD

$$
Forecaster...ROGERS
Requested by...F Simmons
Type of request...PRESCRIBED
.TAG 2510980.0/AKQ
.DELDT 04/18/25
.FormatterVersion 2.0.0
.EMAIL frank_simmons@fws.gov