900  
FNUS71 KLWX 081943  
FWSLWX  
 
SPOT FORECAST FOR SENECA...USFS  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
343 PM EDT SAT JUL 8 2017  
 
FORECAST IS BASED ON REQUEST TIME OF 1600 EDT ON JULY 08.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
HIGH PRESSURE WILL BUILD OVERHEAD THROUGH SUNDAY NIGHT. DRY CONDITIONS AND  
LOWER HUMIDITY ARE EXPECTED SUNDAY AFTERNOON. THE HIGH WILL MOVE OFF THE  
COAST MONDAY. A RETURN FLOW FROM THE SOUTH AND SOUTHWEST WILL USHER IN MORE  
ATMOSPHERIC MOISTURE. POPUP THUNDERSTORMS ARE POSSIBLE DURING THE MIDDLE  
PORTION OF NEXT WEEK.  
 
ANOTHER COLD FRONT WILL APPROACH THE AREA TOWARDS MIDWEEK.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).  
CWR.................10 PERCENT.  
MAX TEMPERATURE.....AROUND 79.  
MIN HUMIDITY........55 PERCENT.  
WIND (20 FT)........WEST WINDS 10 TO 11 MPH.  
MIXING HEIGHT.......4600-4700 FT AGL.  
TRANSPORT WINDS.....WEST 18 TO 20 MPH.  
SMOKE DISPERSAL.....EXCELLENT (73500 KNOT-FT).  
 
TIME (EDT) 4 PM  
SKY (%).........57  
WEATHER COV.....  
WEATHER TYPE....NONE  
CWR.............10  
TEMP............78  
RH..............55  
20 FT WIND......W 11  
20 FT WIND GUST.15  
MIX HGT (FT)....4700  
MIXNG WIND......W 20  
VRATE KT-FT/100080  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT), THEN BECOMING  
PARTLY CLOUDY (30-40 PERCENT). ISOLATED SHOWERS  
IN THE EVENING.  
CWR.................20 PERCENT, DECREASING TO 10 PERCENT IN THE  
EVENING.  
MIN TEMPERATURE.....AROUND 56.  
MAX HUMIDITY........96 PERCENT.  
WIND (20 FT)........WEST WINDS 6 TO 11 MPH IN THE EVENING, BECOMING  
LIGHT AND VARIABLE.  
MIXING HEIGHT.......2400-4200 FT AGL, DECREASING TO 800-1800 FT AGL  
LATE.  
TRANSPORT WINDS.....NORTHWEST 9 TO 18 MPH, DECREASING TO 3 TO 6 MPH  
LATE.  
SMOKE DISPERSAL.....FAIR TO EXCELLENT (26200-67100 KNOT-FT),  
DECREASING TO POOR TO FAIR (2300-14500 KNOT-FT)  
LATE.  
 
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........52 42 29 24 23 28  
WEATHER COV.....ISOLTD ISOLTD ISOLTD  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE NONE NONE  
CWR.............20 20 20 10 10 10  
TEMP............76 71 65 60 59 58  
RH..............57 66 78 90 93 86  
20 FT WIND......W 11 W 8 W 6 W 5 W 4 W 3  
20 FT WIND GUST.15 15 10 10 5 5  
MIX HGT (FT)....4200 3200 2800 2600 2400 1200  
MIXNG WIND......W 18 W 17 NW 17 NW 16 NW 13 NW 6  
VRATE KT-FT/100067 48 42 37 26 6  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 77.  
MIN HUMIDITY........45 PERCENT.  
WIND (20 FT)........LIGHT AND VARIABLE WINDS, BECOMING WEST AROUND  
5 MPH LATE.  
MIXING HEIGHT.......700-1700 FT AGL, INCREASING TO 5400-7100 FT  
AGL.  
TRANSPORT WINDS.....SOUTHWEST 3 TO 10 MPH.  
SMOKE DISPERSAL.....POOR TO GOOD (2200-48200 KNOT-FT), INCREASING  
TO GOOD (33600 KNOT-FT) IN THE AFTERNOON.  
 
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........28 25 26 30 32 35  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
CWR.............0 0 0 0 0 0  
TEMP............56 58 66 73 75 77  
RH..............96 93 70 51 46 45  
20 FT WIND......NW 3 NW 3 W 3 W 3 W 4 W 5  
20 FT WIND GUST.5 5 5 5 5 10  
MIX HGT (FT)....700 1700 4200 6100 6900 7100  
MIXNG WIND......NW 3 W 5 W 9 W 10 W 8 SW 7  
VRATE KT-FT/10002 7 33 55 48 42  
 

 
FORECASTER...LASORSA  
REQUESTED BY...NICK JEROS  
TYPE OF REQUEST...WILDFIRE  
.TAG 1712380.0/LWX  
 
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