965  
FNUS71 KLWX 192005  
FWSLWX  
 
SPOT FORECAST FOR MILLS RX...USFS  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
405 PM EDT FRI APR 19 2024  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON APRIL 20.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
CLOUDS WILL BE ON THE DECREASE SATURDAY, WITH SUNNY SKIES EXPECTED  
DURING THE AFTERNOON. MIN RH VALUES ARE EXPECTED TO BE AROUND 30  
PERCENT, AND WINDS WILL BE OUT OF THE NORTHWEST. GUSTS OF 15-25 MPH  
WILL BE POSSIBLE DURING THE AFTERNOON HOURS. RELATIVE HUMIDITY VALUES  
ONLY REBOUND TO AROUND 55-60 PERCENT SATURDAY NIGHT, AND WINDS WILL  
REMAIN OUT OF THE NORTHWEST. LIGHTER NORTH TO NORTHWEST WINDS ARE  
EXPECTED ON SUNDAY. MOSTLY CLOUDY SKIES ARE FORECAST, ALONG WITH  
MIN RH VALUES IN THE MID TO UPPER 30S.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT) THEN BECOMING  
SUNNY (15-25 PERCENT).  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 67.  
MIN HUMIDITY........30 PERCENT.  
EYE LEVEL WINDS.....NORTHWEST WINDS 5 TO 7 MPH SHIFTING TO THE WEST  
7 TO 8 MPH IN THE AFTERNOON.  
WIND (20 FT)........NORTHWEST WINDS 9 TO 14 MPH.  
TRANSPORT WINDS.....NORTH AROUND 9 MPH SHIFTING TO THE WEST 8 TO 16  
MPH IN THE LATE MORNING AND EARLY AFTERNOON,  
THEN INCREASING TO 18 TO 20 MPH LATE IN THE  
AFTERNOON.  
SMOKE DISPERSAL.....POOR (9800 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (107400 KNOT-FT) IN THE  
AFTERNOON.  
HAINES INDEX........3 TO 6 OR VERY LOW TO HIGH POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........75 68 57 48 40 29 21 19 19 19  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0  
TEMP............55 56 58 60 62 64 65 65 65 64  
RH..............74 72 62 53 44 38 33 33 30 30  
20 FT WIND DIR..N NW NW NW NW W W W W W  
20 FT WIND SPD..8 9 9 10 12 12 13 13 14 14  
20 FT WIND GUST.13 14 15 16 17 18 20 21 22 22  
EYE LVL WND DIR.N NW NW NW NW W W W W W  
EYE LVL WND SPD.5 5 5 6 7 7 8 8 8 8  
EYE LVL WND GST.8 8 9 10 10 11 12 13 13 13  
TRANSP WIND DIR.N N NW W W W W W W W  
TRANSP WIND SPD.9 9 8 8 10 14 16 18 20 20  
HAINES INDEX....3 3 3 3 4 4 5 6 6 6  
VRATE KT-FT/1K..10 15 18 23 39 63 83 101 107 97  
VENTRATE CAT....PR PR PR PR PR GD GD VGD VGD GD  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (50-60 PERCENT).  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....AROUND 40.  
MAX HUMIDITY........57 PERCENT.  
EYE LEVEL WINDS.....NORTHWEST WINDS UP TO 8 MPH.  
WIND (20 FT)........NORTHWEST WINDS 5 TO 13 MPH.  
TRANSPORT WINDS.....NORTHWEST 9 TO 16 MPH SHIFTING TO THE NORTH 7  
TO 9 MPH OVERNIGHT.  
SMOKE DISPERSAL.....GOOD (56100 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (0 KNOT-FT) LATE IN THE  
NIGHT.  
HAINES INDEX........3 TO 6 OR VERY LOW TO HIGH POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........21 32 45 58 57 54  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 0 0 0 0 0  
TEMP............63 57 52 48 46 44  
RH..............31 37 43 49 51 55  
20 FT WIND......NW 13 NW 9 NW 8 NW 8 NW 7 NW 5  
20 FT WIND GUST.20 15 14 13 10 8  
EYE LEVEL WIND..NW 8 NW 5 NW 5 NW 5 NW 4 NW 3  
EYE LVL WND GST.12 9 8 8 6 5  
TRANSPORT WIND..W 16 NW 10 NW 9 N 10 N 9 N 7  
HAINES INDEX....6 5 4 3 3 4  
VRATE KT-FT/1K..56 3 0 3 2 1  
VENTRATE CAT....FAIR POOR POOR POOR POOR POOR  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT).  
CWR.................10 PERCENT.  
MAX TEMPERATURE.....AROUND 58.  
MIN HUMIDITY........38 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTH AROUND 3 MPH EARLY  
IN THE MORNING, THEN SHIFTING TO THE WEST UP TO  
5 MPH IN THE LATE MORNING AND AFTERNOON.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTH AROUND 5 MPH EARLY  
IN THE MORNING, THEN SHIFTING TO THE WEST 6 TO  
8 MPH IN THE LATE MORNING AND AFTERNOON.  
TRANSPORT WINDS.....NORTH 3 TO 8 MPH SHIFTING TO THE WEST 2 TO 8  
MPH LATE IN THE MORNING.  
SMOKE DISPERSAL.....POOR (5200 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (42400 KNOT-FT) IN THE  
AFTERNOON.  
HAINES INDEX........4 TO 5 OR LOW TO MODERATE POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........54 56 65 75 78 69  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 10 10 10 10 10  
TEMP............43 45 48 52 55 56  
RH..............57 53 49 44 40 38  
20 FT WIND......N 3 N 5 W 6 SW 7 W 8 W 8  
20 FT WIND GUST.7 7 10 13 14 14  
EYE LEVEL WIND..N 2 N 3 W 4 SW 4 W 5 W 5  
EYE LVL WND GST.4 4 6 8 8 8  
TRANSPORT WIND..N 7 NE 8 NW 3 NW 3 W 7 W 8  
HAINES INDEX....4 4 4 4 4 5  
VRATE KT-FT/1K..5 16 10 13 31 42  
VENTRATE CAT....POOR POOR POOR POOR POOR FAIR  
 

 
FORECASTER...PALLOZZI  
REQUESTED BY...CHRISTOPHER SCHULTZ  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2411298.2/LWX  
.DELDT 04/19/24  
.FORMATTERVERSION 2.0.0  
.EMAIL CHRISTOPHER.SCHULTZ@USDA.GOV  
 
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