175
FNUS71 KLWX 081211
FWSLWX
SPOT FORECAST FOR THE INSTITUTE PRESCRIBED BURN...VIRGINIA DEPARTMENT OF FORESTRY
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
811 AM EDT THU APR 8 2021
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON APRIL 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
HIGH PRESSURE SITTING OFF THE COAST WILL LEAD TO CONTINUED ON-SHORE
FLOW THROUGH FRIDAY. THE ON-SHORE FLOW WILL LEAD TO INCREASING
MOISTURE THROUGH EARLY THIS WEEKEND WITH MINRH NOT DROPPING BELOW
40. A WAVE OF SHOWERS WILL BE POSSIBLE THIS EVENING AND INTO EARLY
FRIDAY MORNING WITH DRIZZLE LIKELY ON FRIDAY.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........41 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 6 TO 10 MPH.
MIXING HEIGHT.......3500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 10 TO 16 MPH INCREASING TO 20 TO 23
MPH LATE IN THE MORNING.
SMOKE DISPERSAL.....POOR (7400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (70500 KNOT-FT) IN THE
AFTERNOON.
TIME (EDT) 9 AM 11 AM 1 PM 3 PM 5 PM
SKY (%).........57 49 48 61 61
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE
TEMP............56 64 68 70 69
RH..............59 46 42 41 42
20 FT WIND......SE 6 SE 7 SE 9 SE 10 SE 10
20 FT WIND GUST.10 13 14 16 16
MIX HGT (FT)....800 2200 3100 3500 3200
MIXNG WIND......SE 10 SE 20 SE 22 SE 22 SE 23
VRATE KT-FT/10007 37 59 67 64
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). INCREASING
CHANCES FOR SHOWERS THROUGH THIS EVENING.
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........93 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 6 TO 10 MPH.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 14 TO 20 MPH.
SMOKE DISPERSAL.....GOOD (39300 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (3500 KNOT-FT) LATE IN THE
NIGHT.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........61 66 79 90 98 96
WEATHER COV..... S CHC S CHC CHANCE CHANCE CHANCE
WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............67 61 57 55 53 51
RH..............43 51 59 66 77 86
20 FT WIND......SE 10 SE 9 SE 8 SE 6 SE 6 SE 6
20 FT WIND GUST.14 11 11 11 10 11
MIX HGT (FT)....2300 400 400 700 600 500
MIXNG WIND......SE 20 SE 15 SE 16 SE 16 SE 14 SE 14
VRATE KT-FT/100039 5 6 9 7 6
FRIDAY
SKY/WEATHER.........CLOUDY (90-100 PERCENT). CHANCE OF RAIN
SHOWERS.
MAX TEMPERATURE.....AROUND 58.
MIN HUMIDITY........77 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 6 MPH.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 10 TO 14 MPH.
SMOKE DISPERSAL.....POOR (5400 KNOT-FT).
TIME (EDT) 6 AM 9 AM NOON 3 PM
SKY (%).........95 96 93 89
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............50 51 54 56
RH..............89 93 90 80
20 FT WIND......SE 6G12 SE 6G12 SE 6G14 SE 6G13
MIX HGT (FT)....500 600 900 1000
MIXNG WIND......SE 14 SE 12 SE 10 SE 12
VRATE KT-FT/10006 6 8 10
FORECASTER...GEIGER
REQUESTED BY...JORDAN HERRING
TYPE OF REQUEST...PRESCRIBED
.TAG 2108364.0/LWX
.DELDT 04/08/21
.FORMATTERVERSION 1.0.26
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