064
FNUS71 KAKQ 131100
FWSAKQ
SPOT FORECAST FOR NASSAWANGO UNIT J17 & J20...THE NATURE CONSERVANCY
NATIONAL WEATHER SERVICE WAKEFIELD VA
700 AM EDT MON APR 13 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON APRIL 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE AT 757-899-5734.
DISCUSSION
SOUTHWEST WIND GUSTS OF 25-30 MPH AND AFTERNOON RH VALUES OF
AROUND 40% ARE EXPECTED THIS AFTERNOON. PARTLY CLOUDY SKIES WILL
PREVAIL TODAY, WITH A SLIGHT CHANCE FOR A FEW SPRINKLES IN THE
AFTERNOON. CONTINUED WARM AND DRY CONDITIONS ARE FORECAST FOR TOMORROW,
THOUGH WINDS WILL NOT BE QUITE AS STRONG, WITH GUSTS OF 15-20 MPH.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........39 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 12 TO 16 MPH WITH GUSTS TO
AROUND 28 MPH.
MIXING HEIGHT.......3500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH DECREASING TO 9 TO 14
MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR (27484 MPH-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (85560 MPH-FT) IN THE
AFTERNOON.
LVORI...............3.
ADI.................22 EARLY IN THE MORNING INCREASING TO 85 IN THE
AFTERNOON.
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........67 65 62 51 43 36 41 48 59
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 10 10 10
TEMP............62 66 71 74 76 78 79 81 79
RH..............84 73 63 55 50 45 42 39 42
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..13 15 16 16 17 17 16 13 12
20 FT WIND GUST.23 25 26 26 28 28 26 23 21
MIX HGT (KFT)...1.4 1.8 2.1 2.6 3.1 3.5 3.3 3.2 3.0
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.22 23 23 24 25 24 20 14 9
LVORI...........4 3 1 1 1 1 1 1 2
ADI.............35 41 46 54 82 85 67 46 22
VRATE MPH-FT/1K.30 39 48 63 77 85 66 44 27
VENTRATE CAT....PR PR FR FR GD GD FR PR PR
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING
PARTLY CLOUDY (30-40 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MIN TEMPERATURE.....AROUND 62.
MAX HUMIDITY........70 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH BECOMING LIGHT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 8 MPH.
SMOKE DISPERSAL.....FAIR (16445 MPH-FT) EARLY IN THE EVENING
DECREASING TO POOR (2645 MPH-FT) LATE IN THE
NIGHT.
LVORI...............3.
ADI.................3 TO 20.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........71 53 54 50 42 23 20 20 24 22 35 27
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).10 10 10 0 0 0 0 0 0 0 0 0
TEMP............78 77 73 71 69 68 67 67 66 65 65 64
RH..............42 45 51 55 57 59 61 61 63 65 65 67
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..10 9 7 6 6 5 5 5 5 5 5 4
20 FT WIND GUST.18 14 12 11 11 8 8 8 8 8 8 7
MIX HGT (KFT)...2.2 1.4 0.6 0.6 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.4
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.8 7 8 8 8 8 8 7 7 7 7 7
LVORI...........2 2 2 2 3 3 3 3 3 3 3 3
ADI.............20 8 7 5 5 4 3 3 3 3 3 3
VRATE MPH-FT/1K.16 10 4 4 4 3 3 3 3 2 2 2
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 8 MPH IN
THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......4000 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 16 MPH.
SMOKE DISPERSAL.....POOR (2760 MPH-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (62789 MPH-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................3 EARLY IN THE MORNING INCREASING TO 76 IN THE
AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........37 29 23 34 35 36 35 33 32 31 31 30
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............63 64 66 70 73 76 79 81 82 83 85 83
RH..............70 67 65 57 53 48 44 39 40 37 35 38
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..4 4 4 5 5 6 7 7 8 8 8 8
20 FT WIND GUST.7 6 6 8 8 11 12 12 14 14 14 14
MIX HGT (KFT)...0.4 0.4 0.4 1.0 1.6 2.2 2.8 3.4 4.0 3.9 3.9 3.8
TRANSP WIND DIR.SW SW W W W W W W W W SW SW
TRANSP WIND SPD.7 7 7 7 8 9 10 13 14 15 16 16
LVORI...........3 3 3 2 2 2 1 1 1 1 1 1
ADI.............3 6 7 10 17 25 37 51 65 72 76 74
VRATE MPH-FT/1K.2 2 3 7 12 20 29 41 54 59 62 61
VENTRATE CAT....PR PR PR PR PR PR PR PR FR FR FR FR
FORECASTER...BARNHARDT
REQUESTED BY...GABRIEL CAHALAN
TYPE OF REQUEST...PRESCRIBED
.TAG 2610150.0/AKQ
.DELDT 04/13/26
.FORMATTERVERSION 2.0.0
.EMAIL GCAHALAN@TNC.ORG
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