Suppression Forecast
Issued by NWS Sterling, VA

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000
FNUS71 KLWX 182151
FWSLWX

SPOT FORECAST FOR ARCHER KNOB...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
551 PM EDT FRI APR 18 2014

FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON APRIL 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

HIGH PRESSURE WILL CONTINUE TO RIDGE DOWN INTO THE MIDDLE ATLANTIC
THIS EVENING. LIGHT EASTERLY WINDS WILL GO LIGHT AND VARIABLE OVERNIGHT
WITH EXCELLENT HUMIDITY RECOVERIES EXPECTED AT THE BURN SITE.
WINDS WILL SHIFT TO NORTHERLY ON SATURDAY AS LOW PRESSURE PASSES
BY TO THE SOUTH. MILDER TEMPERATURES WILL FOLLOW SATURDAY AFTERNOON
WITH READINGS APPROACHING THE 60S WITH MINIMUM HUMDITIES EXPECTED
IN THE 40S. HIGH PRESSURE WILL FOLLOW FOR SUNDAY INTO MONDAY OF NEXT WEEK.

.SATURDAY...

SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........43 PERCENT.
WIND (20 FT)........EAST WINDS 6 TO 9 MPH.
CWR.................10 PERCENT.
MIXING HEIGHT.......0-1900 FT AGL...INCREASING TO 5900-6300 FT AGL.
TRANSPORT WINDS.....NORTHEAST 6 TO 12 MPH.

TIME (EDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........53  51  52  54  55  55  55  37
WEATHER COV.....
WEATHER TYPE....
TEMP............52  55  57  59  60  60  61  60
RH..............60  55  53  49  47  45  43  44
20 FT WIND DIR..NE  NE  NE  NE  E   E   E   E
20 FT WIND SPD..6   6   7   6   6   6   6   6
20 FT WIND GUST.7   7   11  7   7   7   7   7
CWR.............10  10  10  10  10  10  10  10

.SATURDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
MIN TEMPERATURE.....AROUND 41.
MAX HUMIDITY........82 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 9 MPH...BECOMING LIGHT AND
                    VARIABLE.
CWR.................10 PERCENT.
MIXING HEIGHT.......3500-5400 FT AGL...DECREASING TO 400 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 TO 12 MPH.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........37  37  26  26  26  26  26  26  20  20  20  20
WEATHER COV.....
WEATHER TYPE....
TEMP............59  57  54  52  51  49  48  47  46  45  44  43
RH..............45  50  54  59  62  66  67  70  73  76  79  82
20 FT WIND DIR..E   E   NE  E   E   E   E   E   E   E   E   E
20 FT WIND SPD..7   6   5   5   5   5   5   5   5   5   4   3
20 FT WIND GUST.11  7   7   7   7   7   7   7   7   7       4
CWR.............10  10  10  10  10  10  10  10  10  10  10  10

.SUNDAY...

SKY/WEATHER.........SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 61.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 6 MPH.
CWR.................10 PERCENT.
MIXING HEIGHT.......600-2100 FT AGL...INCREASING TO 2600-4200 FT
                    AGL IN THE LATE MORNING AND AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST 6 TO 10 MPH.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........20  20  18  18  18  18  18  18  22  22  22  22
WEATHER COV.....
WEATHER TYPE....
TEMP............44  44  46  49  52  54  56  58  59  60  60  59
RH..............78  70  67  56  49  44  39  37  36  35  36  38
20 FT WIND DIR..E   E   E   E   E   E   E   E   SE  E   E   E
20 FT WIND SPD..4   4   4   5   5   5   5   5   5   5   4   4
20 FT WIND GUST.            7   7   7   7   7   7   7
CWR.............10  10  0   0   0   0   0   0   0   0   0   0

$$
FORECASTER...WIDELSKI
REQUESTED BY...SAMI SCHINNELL
TYPE OF REQUEST...PRESCRIBED
.TAG 20140419.ARCHE.01/LWX






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