119
FNUS71 KLWX 041953
FWSLWX
SPOT FORECAST FOR NORTH RIVER RX...USFS
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
353 PM EDT SAT APR 4 2026
FORECAST IS BASED ON IGNITION TIME OF 1500 EDT ON APRIL 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
LIGHT SOUTH WINDS CONTINUE THIS AFTERNOON AS SURFACE HIGH PRESSURE
SHIFTS OFFSHORE. CURRENT CONDITIONS AS OF 3:15PM SHOW SOUTH WINDS
BLOWING 2 MPH, TEMPERATURES IN THE MID 70S, AND RH VALUE OF 45 PERCENT.
WINDS ARE EXPECTED TO INCREASE THIS EVENING WITH SOUTH WINDS INCREASING
FROM BLOWING AROUND 5 MPH TO 10 - 15 MPH OVERNIGHT. A STRONG COLD
FRONT WILL PASS THROUGH THE AREA OVERNIGHT, BRINGING CHANCES FOR SHOWERS
AND THUNDERSTORMS. ADDITIONALLY, WINDS SHIFT TO NORTHWESTERLY BEHIND THE
FRONT AND ARE EXPECTED TO GUST UP TO 30 MPH. MUCH COOLER
TEMPERATURES ARE EXPECTED BEHIND THE FRONT EARLY TO MID NEXT WEEK
AS HIGH PRESSURE BUILDS OVER THE REGION.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
CWR.................10 PERCENT.
CHANCE OF THUNDER...18 PERCENT.
MAX TEMPERATURE.....AROUND 83.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........SOUTH WINDS 13 TO 14 MPH.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WINDS.....SOUTH 18 TO 22 MPH.
SMOKE DISPERSAL.....EXCELLENT (96400 KNOT-FT).
TIME (EDT) 3PM 4PM 5PM
SKY (%).........39 42 41
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............10 10 10
CHC OF THDR (%).10 10 20
TEMP............82 78 74
RH..............37 42 48
20 FT WIND DIR..S S S
20 FT WIND SPD..13 14 14
20 FT WIND GUST.21 23 23
MIX HGT (KFT)...6.0 6.0 5.5
TRANSP WIND DIR.S S S
TRANSP WIND SPD.18 18 22
VRATE KT-FT/1K..96 97 105
VENTRATE CAT....GD GD VGD
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS EARLY IN THE EVENING. SLIGHT
CHANCE OF RAIN SHOWERS EARLY IN THE MORNING.
CWR.................20 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 12 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 17 TO 22 MPH.
SMOKE DISPERSAL.....EXCELLENT (75800 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (7100 KNOT-FT) LATE IN THE
NIGHT.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........49 42 45 47 60 54 56 64 70 81 71 87
WEATHER COV.....SCH SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW
TSTM COV........
CWR.............20 20 20 20 10 10 10 10 0 10 10 20
CHC OF THDR (%).10 20 20 20 10 0 0 0 0 0 0 10
TEMP............73 69 66 64 63 62 61 60 60 58 57 57
RH..............49 57 65 73 75 78 81 84 84 93 96 93
20 FT WIND DIR..S S S SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..14 14 12 13 14 14 15 15 15 15 15 15
20 FT WIND GUST.24 29 29 31 32 32 32 31 31 30 32 32
MIX HGT (KFT)...4.0 1.6 0.8 0.6 0.7 0.5 0.4 0.5 0.6 0.5 0.5 0.5
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.22 20 20 17 20 20 20 20 20 20 20 18
VRATE KT-FT/1K..76 28 13 9 12 8 7 8 10 8 8 8
VENTRATE CAT....GD PR PR PR PR PR PR PR PR PR PR PR
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING
MOSTLY SUNNY (25-35 PERCENT). RAIN SHOWERS IN
THE MORNING.
CWR.................30 PERCENT INCREASING TO 60 PERCENT EARLY IN
THE MORNING, THEN INCREASING TO 90 PERCENT
EARLY IN THE MORNING DECREASING TO 80 PERCENT
LATE IN THE MORNING DECREASING TO 40 PERCENT
DECREASING TO 10 PERCENT IN THE AFTERNOON.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........53 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 13 TO 14 MPH SHIFTING TO THE
WEST 12 TO 14 MPH IN THE LATE MORNING AND
AFTERNOON. GUSTS UP TO 30 MPH.
MIXING HEIGHT.......2900 FT AGL.
TRANSPORT WINDS.....WEST 16 TO 25 MPH SHIFTING TO THE NORTHWEST 25
TO 28 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (10900 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (69600 KNOT-FT) IN THE
AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........73 90 93 95 92 94 94 91 90 72 56 28
WEATHER COV.....CHC LKY DEF DEF DEF CHC
WEATHER TYPE....RW RW RW RW RW RW
TSTM COV........
CWR.............30 60 90 90 80 40 10 10 10 0 0 0
CHC OF THDR (%).10 10 10 10 10 0 0 0 0 0 0 0
TEMP............54 57 58 57 56 58 56 58 57 57 56 55
RH..............100 93 93 93 93 83 83 72 64 59 57 53
20 FT WIND DIR..SW SW SW W W W W W W W W NW
20 FT WIND SPD..14 14 14 13 13 12 13 13 13 14 14 14
20 FT WIND GUST.33 32 30 29 30 30 28 28 28 28 29 29
MIX HGT (KFT)...0.6 0.7 1.2 1.3 1.4 1.3 1.8 2.2 2.5 2.6 2.8 2.9
TRANSP WIND DIR.SW SW SW W W W W W W W W NW
TRANSP WIND SPD.21 20 22 16 17 20 23 24 25 24 25 28
VRATE KT-FT/1K..11 13 22 19 21 22 35 46 55 54 61 70
VENTRATE CAT....PR PR PR PR PR PR PR FR FR FR GD GD
FORECASTER...STUCK
REQUESTED BY...AARON STROBEL
TYPE OF REQUEST...PRESCRIBED
.TAG 2608967.1/LWX
.DELDT 04/04/26
.FORMATTERVERSION 2.0.0
.EMAIL AARON.P.STROBEL@USDA.GOV,COLTEN.MOOR@USDA.GOV,JAMES.COLLETT@USDA.GOV
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