004  
FNUS71 KAKQ 041100  
FWSAKQ  
 
SPOT FORECAST FOR NASSAWANGO-BEARSWAMPU27...THE NATURE CONSERVANCY  
NATIONAL WEATHER SERVICE WAKEFIELD VA  
700 AM EDT WED JUN 4 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON JUNE 04.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE AT 757-899-5734.  
   
DISCUSSION
 
 
HIGH PRESSURE SLIDES FARTHER OFFSHORE TODAY. SUNNY AND CONTINUED  
WARM. REMAINING RELATIVELY DRY AND WELL MIXED WITH MINIMUM RH  
VALUES OF 35-40%. A SOUTHWEST WIND OF 5 TO 10 MPH IS EXPECTED TO  
DEVELOP LATER THIS MORNING AND GRADUALLY BECOME SOUTH AROUND 10  
MPH DURING THE AFTERNOON.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 83.  
MIN HUMIDITY........39 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 10 MPH  
LATE THIS MORNING AND THEN BECOMING SOUTH  
AROUND 10 MPH THIS AFTERNOON.  
MIXING HEIGHT.......3600 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
SMOKE DISPERSAL.....FAIR (17365 MPH-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (43470 MPH-FT) IN THE  
AFTERNOON.  
LVORI...............2.  
ADI.................22 TO 54.  
 
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........2 2 2 2 2 2 3 4 5  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0  
TEMP............72 75 78 80 82 82 83 81 81  
RH..............64 58 50 45 41 43 40 39 41  
20 FT WIND DIR..SW SW SW SW S S S S S  
20 FT WIND SPD..4 5 6 7 7 8 8 9 9  
20 FT WIND GUST.6 8 11 12 13 14 14 15 15  
MIX HGT (KFT)...1.2 1.9 2.6 2.9 3.2 3.6 3.3 3.0 2.8  
TRANSP WIND DIR.SW SW SW SW SW SW SW S S  
TRANSP WIND SPD.15 13 12 10 10 10 13 14 15  
LVORI...........3 1 1 1 1 1 1 1 1  
ADI.............22 32 36 37 40 45 49 54 54  
VRATE MPH-FT/1K.17 24 28 30 32 36 40 43 42  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (55-65 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 63.  
MAX HUMIDITY........93 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5 TO 8 MPH IN THE EVENING AND  
OVERNIGHT BECOMING LIGHT.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTH 7 TO 14 MPH.  
SMOKE DISPERSAL.....FAIR (27829 MPH-FT) EARLY IN THE EVENING  
DECREASING TO POOR (2415 MPH-FT) LATE IN THE  
NIGHT.  
LVORI...............4.  
ADI.................3 TO 36.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........8 12 15 20 25 30 38 46 53 59 64 70  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............79 76 72 70 68 67 66 65 66 65 65 65  
RH..............45 52 61 68 76 78 81 87 84 87 87 87  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..8 7 6 6 6 6 6 5 5 4 4 3  
20 FT WIND GUST.14 13 11 11 11 11 9 9 8 7 6 6  
MIX HGT (KFT)...2.0 1.2 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.14 12 9 9 9 9 8 8 7 7 7 7  
LVORI...........1 2 3 3 4 4 5 5 5 5 5 6  
ADI.............36 8 4 4 4 4 4 5 5 5 4 3  
VRATE MPH-FT/1K.27 13 3 3 3 3 3 2 2 2 2 2  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 81.  
MIN HUMIDITY........58 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 9 MPH IN THE  
LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......2800 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 13 MPH SHIFTING TO THE SOUTH 16  
TO 18 MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (3219 MPH-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (40825 MPH-FT) IN THE  
AFTERNOON.  
LVORI...............4.  
ADI.................3 EARLY IN THE MORNING INCREASING TO 49 IN THE  
AFTERNOON.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........72 73 75 73 70 68 71 73 76 77 79 80  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............64 65 69 71 75 78 79 79 80 79 78 77  
RH..............93 93 84 79 69 62 60 60 58 60 60 62  
20 FT WIND DIR..S SW SW SW SW SW SW S S S S S  
20 FT WIND SPD..3 4 4 4 5 5 6 8 9 9 9 9  
20 FT WIND GUST.6 6 6 7 8 8 11 13 14 14 15 15  
MIX HGT (KFT)...0.4 0.5 0.6 1.1 1.6 2.1 2.4 2.6 2.8 2.6 2.4 2.2  
TRANSP WIND DIR.S SW SW SW SW SW SW S S S S S  
TRANSP WIND SPD.7 8 8 7 6 5 6 7 9 13 16 18  
LVORI...........6 6 4 4 3 2 2 2 2 1 1 1  
ADI.............3 8 8 10 12 13 16 23 29 38 46 49  
VRATE MPH-FT/1K.3 4 4 7 9 10 12 18 26 33 39 40  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
 

 
FORECASTER...ZIMMERMAN  
REQUESTED BY...GABRIEL CAHALAN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2515322.0/AKQ  
.DELDT 06/04/25  
.FORMATTERVERSION 2.0.0  
.EMAIL GCAHALAN@TNC.ORG  
 
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