351  
FNUS71 KLWX 242121  
FWSLWX  
 
SPOT FORECAST FOR CASTLE...MONOGAHELA NF  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
521 PM EDT TUE APR 24 2018  
 
FORECAST IS BASED ON REQUEST TIME OF 1800 EDT ON APRIL 24.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
LOW PRESSURE WILL PASS BY TO THE EAST LATE TONIGHT THROUGH WEDNESDAY.  
RAIN WILL CONTINUE TONIGHT. A FEW SHOWERS WILL HANG AROUND FOR  
WEDNESDAY, BUT IT WILL NOT BE A WASHOUT AS DRIER AIR BEGINS TO FILTER IN.  
 
HIGH PRESSURE WILL RETURN BRIEFLY ON THURSDAY, BUT ANOTHER LOW  
PRESSURE SYSTEM DEVELOPING ALONG THE SOUTHEAST COAST MAY AFFECT  
THE REGION LATE IN THE WEEK.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (90-100 PERCENT). RAIN, THEN CHANCE OF  
RAIN SHOWERS EARLY IN THE MORNING. PATCHY FOG  
EARLY IN THE MORNING.  
CWR.................100 PERCENT DECREASING TO 30 PERCENT.  
MIN TEMPERATURE.....AROUND 46.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........EAST WINDS 5 TO 6 MPH IN THE EVENING BECOMING  
LIGHT.  
MIXING HEIGHT.......900-1800 FT AGL.  
TRANSPORT WINDS.....EAST 16 TO 25 MPH SHIFTING TO THE NORTHEAST 9  
TO 14 MPH LATE IN THE EVENING.  
SMOKE DISPERSAL.....POOR TO GOOD (7400-37400 KNOT-FT).  
 
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........99 96 97 97 95 97  
WEATHER COV.....DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE  
WEATHER TYPE....RAIN RAIN RAIN RAIN RAIN RAIN  
CWR.............100 100 100 90 80 80  
TEMP............48 49 48 48 47 46  
RH..............96 93 93 93 93 96  
20 FT WIND......E 6 E 6 NE 5 NE 4 NE 4 N 3  
20 FT WIND GUST.10 10 6  
MIX HGT (FT)....1700 1800 1400 1000 1000 900  
MIXNG WIND......E 25 E 23 E 16 E 13 NE 12 NE 10  
VRATE KT-FT/100036 37 19 11 10 8  
   
WEDNESDAY
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). PATCHY FOG EARLY IN THE  
MORNING. CHANCE OF RAIN SHOWERS THROUGH THE DAY.  
CWR.................30 PERCENT INCREASING TO 50 PERCENT EARLY IN  
THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 60.  
MIN HUMIDITY........69 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 5 TO 7 MPH LATE  
IN THE MORNING.  
MIXING HEIGHT.......900-2100 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 7 TO 14 MPH.  
SMOKE DISPERSAL.....POOR TO FAIR (6000-25700 KNOT-FT).  
 
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........96 91 93 93 90 87  
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR  
CWR.............30 30 30 30 50 50  
TEMP............48 49 54 57 59 59  
RH..............89 86 80 77 72 72  
20 FT WIND......N 3 N 3 NW 4 NW 5 NW 6 NW 6  
20 FT WIND GUST. 6 8 10 12  
MIX HGT (FT)....900 1100 1500 1700 1700 2100  
MIXNG WIND......NE 8 N 7 NW 8 NW 10 NW 14 NW 14  
VRATE KT-FT/10007 7 10 15 21 25  
 

 
FORECASTER...SILVERMAN  
REQUESTED BY...PETER TO  
TYPE OF REQUEST...WILDFIRE  
.TAG 1807687.0/LWX  
 
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