415  
FNUS71 KLWX 182102  
FWSLWX  
 
SPOT FORECAST FOR SMRG SNP 2...SMRG  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
502 PM EDT FRI OCT 18 2019  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 EDT ON OCTOBER 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
HIGH PRESSURE WILL BUILD OVERHEAD THROUGH TONIGHT WITH DRY  
WEATHER AND BELOW NORMAL TEMPERATURES EXPECTED. THE HIGH WILL  
PULL OFFSHORE SATURDAY AS TROPICAL STORM NESTOR MOVES ACROSS  
THE NORTH-CENTRAL GULF COAST AND INTO THE SOUTHEASTERN UNITED  
STATES. THE REMNANTS OF THIS SYSTEM WILL MOVE NORTHEASTWARD  
OFFSHORE OF NORTH CAROLINA OR VIRGINIA ON SUNDAY.  
 
NO SIGNIFICANT AVIATION WEATHER IMPACTS ARE EXPECTED THROUGH  
SATURDAY. THERE IS A LOW RISK OF VALLEY FOG AND REDUCED  
VISIBILITY EARLY FRIDAY MORNING HOWEVER. CEILINGS WILL LOWER  
SATURDAY NIGHT, LIKELY ENVELOPING THE RIDGE AFTER MIDNIGHT.  
RAIN WILL ALSO ARRIVE AROUND THIS TIME. THE RISK OF RAIN WILL  
DWINDLE MIDDAY SUNDAY, BUT LOW CLOUDS MAY PERSIST THROUGH SUNDAY  
NIGHT.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 58.  
MIN HUMIDITY........49 PERCENT.  
SURFACE WINDS (MPH).LIGHT WINDS BECOMING SOUTH 6 TO 9 MPH IN THE  
LATE MORNING AND AFTERNOON.  
 
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........6 10 6 7 17 22  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
CHC OF PCPN (%).0 0 0 0 0 0  
TEMP............40 39 45 52 56 58  
RH..............76 76 68 59 53 49  
SURFACE WIND....SW 5 S 5 S 6 S 8 S 8 S 9  
SURFACE WND GST.6 6 7 9 12 13  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF RAIN  
LATE IN THE EVENING. RAIN SHOWERS LIKELY  
OVERNIGHT.  
CHANCE OF PCPN......60 PERCENT.  
MIN TEMPERATURE.....AROUND 48.  
MAX HUMIDITY........93 PERCENT.  
SURFACE WINDS (MPH).SOUTH WINDS 8 TO 10 MPH.  
 
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........31 50 63 71 83 84  
WEATHER COV..... CHANCE LIKELY LIKELY  
WEATHER TYPE....NONE NONE NONE RAIN RNSHWR RNSHWR  
CHC OF PCPN (%).0 10 10 30 60 60  
TEMP............56 51 50 49 48 48  
RH..............53 66 68 71 77 83  
SURFACE WIND....S 9 S 10 S 10 S 8 S 8 S 8  
SURFACE WND GST.12 10 9  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) WITH SOME  
CLEARING POSSIBLE IN THE AFTERNOON (45-55  
PERCENT). RAIN SHOWERS LIKELY IN THE MORNING.  
CHANCE OF PCPN......60 PERCENT.  
MAX TEMPERATURE.....AROUND 54.  
MIN HUMIDITY........83 PERCENT.  
SURFACE WINDS (MPH).SOUTH WINDS AROUND 6 MPH EARLY IN THE MORNING  
BECOMING NORTHEAST 6 TO 8 MPH IN THE LATE  
MORNING AND AFTERNOON.  
 
TIME (EDT) 6 AM 9 AM NOON 3 PM  
SKY (%).........85 86 79 66  
WEATHER COV.....LIKELY LIKELY LIKELY  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE  
CHC OF PCPN (%).60 60 60 10  
TEMP............48 48 53 54  
RH..............86 93 86 90  
SURFACE WIND....S 6G8 E 6G7 E 8 NE 8G9  
 

 
FORECASTER...SNYDER  
REQUESTED BY...BEN ABRAMSON  
TYPE OF REQUEST...SAR  
.TAG 1917552.0/LWX  
.DELDT 10/18/19  
.FORMATTERVERSION 1.0.26  
 
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