297  
FNUS71 KAKQ 091254  
FWSAKQ  
 
SPOT FORECAST FOR PUBLIC LANDING...MARYLAND DEPARTMENT OF NATURAL RESOURCES (MDDNR)  
NATIONAL WEATHER SERVICE WAKEFIELD VA  
754 AM EST MON NOV 9 2009  
 
FORECAST IS BASED ON IGNITION TIME OF 1030 EST ON NOVEMBER 09.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
HIGH PRESSURE OVER THE MID ATLANTIC STATES WILL PROVIDE LIGHT  
WINDS OVER THE AREA TODAY. THE HIGH WILL MOVE OFF THE MID ATLANTIC COAST  
TONIGHT. A COLD FRONT CROSSES THE AREA LATE TUESDAY...THEN STALLS  
NEAR THE GULF STREAM ON WEDNESDAY. WEAK LOW PRESSURE MOVES  
NORTHEAST ALONG THE BOUNDARY TUESDAY NIGHT AND WEDNESDAY. HIGH  
PRESSURE REBUILDS INTO THE MID ATLANTIC REGION FROM THE NORTH  
LATER WEDNESDAY AND THURSDAY.  
   
TODAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT). PATCHY FOG EARLY IN THE  
MORNING.  
MAX TEMPERATURE.....AROUND 66.  
MIN HUMIDITY........55 PERCENT.  
WIND (20FT/2MIN)....LIGHT WINDS...BECOMING SOUTH 5 TO 7 MPH IN THE  
LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......300-900 FT AGL.  
TRANSPORT WINDS.....SOUTH 1 TO 9 MPH.  
VENTILATION RATE....VERY POOR (300-5300 FT-MPH).  
 
TIME (EST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM  
SKY (%).........11 11 12 15 19 24 26 29 31 32 33 34  
WEATHER COV.....  
WEATHER TYPE....  
TEMP............66 66 66 66 66 65 62 62 60 59 57 57  
RH..............58 58 61 61 63 67 72 78 83 86 86 86  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..4 5 5 5 6 6 6 7 7 7 7 7  
20 FT WIND GUST.10 10 10 10 10 10 10 10 10 10 15 15  
MIX HGT (KFT)...0.5 0.7 0.9 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.3 0.3  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.2 5 7 8 9 9 9 9 8 8 8 8  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).  
MIN TEMPERATURE.....AROUND 54.  
MAX HUMIDITY........90 PERCENT.  
WIND (20FT/2MIN)....SOUTHWEST WINDS 6 TO 8 MPH.  
MIXING HEIGHT.......300-400 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 7 TO 8 MPH.  
VENTILATION RATE....VERY POOR (1400-1800 FT-MPH).  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).  
MAX TEMPERATURE.....AROUND 66.  
MIN HUMIDITY........62 PERCENT.  
WIND (20FT/2MIN)....SOUTHWEST WINDS AROUND 5 MPH EARLY IN THE  
MORNING...BECOMING LIGHT...THEN BECOMING  
NORTHEAST 5 TO 7 MPH LATE.  
MIXING HEIGHT.......300-400 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 3 TO 8 MPH.  
VENTILATION RATE....VERY POOR (1000-1700 FT-MPH).  
 
FORECASTER...ALEXANDER  
REQUESTED BY...CHRIS ROBERTSON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 20091014.PUBLI.01/AKQ  
 
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