Suppression Forecast
Issued by NWS Sterling, VA

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000
FNUS71 KLWX 192102
FWSLWX

Spot Forecast for Hone Quarry Blackline...USFS
National Weather Service Baltimore MD/Washington DC
502 PM EDT Thu Apr 19 2018

Forecast is based on ignition time of 0600 EDT on April 20.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Gusty northwest winds will gradually diminish around sunset.

Dry conditions will continue tonight through Saturday and min
rh values Friday will most likely be in the 30s. The next
chance for a soaking rain appears to be Monday.

.FRIDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Max temperature.....Around 51.
Min humidity........34 percent.
Wind (20 ft)........Northwest winds 7 to 10 mph. Gusts up to 23 mph
                    in the late morning and afternoon.
Mixing height.......1600-3400 ft AGL increasing to 3900-4900 ft AGL
                    in the afternoon.
Transport winds.....Northwest 17 to 23 mph.
Smoke dispersal.....Fair to excellent (26900-73700 knot-ft)
                    increasing to excellent (69500 knot-ft) in
                    the afternoon.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........7      6      5      5      3      2
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
CWR.............0      0      0      0      0      0
TEMP............32     34     41     46     49     50
RH..............58     56     44     37     34     34
20 FT WIND......NW 7   NW 8   NW 9   NW 9   NW 9   NW 10
20 FT WIND GUST.8      10     17     17     17     18
MIX HGT (FT)....1600   2200   3000   3900   4600   4900
MIXNG WIND......NW 20  NW 23  NW 22  N 21   NW 18  NW 17
VRATE KT-FT/100027     44     57     70     74     74

.FRIDAY NIGHT...

Sky/weather.........Clear (0-10 percent).
CWR.................0 percent.
Min temperature.....Around 31.
Max humidity........64 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph in the evening
                    becoming light.
Mixing height.......2500-3700 ft AGL decreasing to 300-1400 ft AGL
                    early in the evening.
Transport winds.....Northwest 7 to 16 mph shifting to the north around
                    5 mph after midnight.
Smoke dispersal.....Poor to good (2100-51600 knot-ft) decreasing to
                    poor (1100 knot-ft) after midnight.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........2      4      3      3      4      3
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
CWR.............0      0      0      0      0      0
TEMP............48     44     40     38     36     34
RH..............39     45     52     57     61     64
20 FT WIND......NW 9   NW 7   NW 5   NW 3   NW 3   NW 3
20 FT WIND GUST.14     11     7
MIX HGT (FT)....3700   1400   700    500    400    300
MIXNG WIND......NW 16  NW 14  NW 10  NW 7   NW 5   N 5
VRATE KT-FT/100052     17     7      3      2      1

.SATURDAY...

Sky/weather.........Sunny (15-25 percent).
CWR.................0 percent.
Max temperature.....Around 58.
Min humidity........31 percent.
Wind (20 ft)........Light winds.
Mixing height.......600-2500 ft AGL increasing to 5600-6000 ft AGL.
Transport winds.....Southwest 2 to 5 mph.
Smoke dispersal.....Poor to fair (2300-17400 knot-ft).

TIME (EDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........5         13        21        32
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
CWR.............0         0         0         0
TEMP............34        42        52        56
RH..............64        50        36        32
20 FT WIND......NW 2      N 1       NE 2      E 2
MIX HGT (FT)....600       1900      3800      5600
MIXNG WIND......N 5       NW 5      W 3       W 2
VRATE KT-FT/10002         8         11        11

$$
Forecaster...LaSorsa
Requested by...Jay Collett
Type of request...PRESCRIBED
.TAG 1807099.0/LWX


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