Suppression Forecast
Issued by NWS Blacksburg, VA

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000
FNUS71 KRNK 241853
FWSRNK

SPOT FORECAST FOR HOPKINS KNOB UNIT A...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE BLACKSBURG VA
253 PM EDT THU APR 24 2014

FORECAST IS BASED ON IGNITION TIME OF 1450 EDT ON APRIL 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

...LOW HUMIDITY THIS AFTERNOON...BUT LIGHT WINDS...

THIN HIGH CLOUDS WILL CONTINUE TO PASS ACROSS THE BURN SITE THROUGH
THE REMAINDER OF THE DAY...BUT WILL STILL ALLOW FOR AMPLE MIXING.
RH RECOVERY WILL BE GRADUAL THIS EVENING DUE TO LIGHT WINDS
TRANSPORTING MOISTURE IN FROM THE SOUTH...AND INCREASING CLOUDS
DURING LATE EVENING THAT WILL HELP KEEP TEMPERATURES WARMER.

A COLD FRONT WILL ARRIVE FRIDAY MORNING...BRINGING A HIGH CHANCE OF
WETTING RAIN...RANGING BETWEEN A QUARTER AND A HALF INCH ACCUMULATION.

.REST OF TODAY...

SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
MAX TEMPERATURE.....AROUND 61.
MIN HUMIDITY........15 PERCENT.
WIND (20 FT)........SOUTHWEST 5 TO 7 MPH.
CWR (0.01 IN).......0 PERCENT.
MIXING HEIGHT.......3300 FT AGL.
TRANSPORT WINDS.....SOUTH 7 TO 9 MPH.

TIME (EDT)          3PM 4PM 5PM
SKY (%).............59  54  46
WEATHER COV.........
WEATHER TYPE........
TSTM COV............
TEMP................57  60  60
RH..................16  16  19
20 FT WIND DIR......SW  SW  SW
20 FT WIND SPD......4   5   5
20 FT WIND GUST.....10  10  10
MIX HGT (KFT).......2.4 2.9 3.3
TRANSP WIND DIR.....SW  SW  SW
TRANSP WIND SPD.....8   8   9
CWR.................0   0   0

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT)...THEN BECOMING
                    MOSTLY CLOUDY (55-65 PERCENT).
MIN TEMPERATURE.....AROUND 49.
MAX HUMIDITY........62 PERCENT.
WIND (20 FT)........SOUTH WINDS AROUND 5 MPH EARLY IN THE
                    EVENING...BECOMING LIGHT AND VARIABLE...THEN
                    BECOMING SOUTH AROUND 5 MPH LATE.
CWR (0.01 IN).......0 PERCENT.
MIXING HEIGHT.......800 FT AGL.
TRANSPORT WINDS.....SOUTH 10 TO 17 MPH...INCREASING TO 21 TO 24 MPH
                    IN THE LATE EVENING AND OVERNIGHT.

TIME (EDT)          6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).............47  44  36  36  38  41  45  49  53  58  63  68
WEATHER COV.........
WEATHER TYPE........
TSTM COV............
TEMP................59  58  57  56  55  54  53  52  52  51  51  50
RH..................25  27  30  33  37  40  44  48  51  53  55  57
20 FT WIND DIR......SW  S   SE  SE  S   S   S   S   S   S   S   S
20 FT WIND SPD......4   4   4   4   3   3   3   3   3   3   4   4
20 FT WIND GUST.....10  10  10  10  10  10  10  10  10  10  10  10
MIX HGT (KFT).......2.7 2.1 1.5 1.4 1.2 1.0 1.0 0.9 0.9 0.9 0.8 0.8
TRANSP WIND DIR.....S   S   S   S   S   S   S   S   S   S   S   S
TRANSP WIND SPD.....10  12  14  17  21  24  24  24  24  24  23  23
CWR.................0   0   0   0   0   0   0   0   0   0   0   0

.FRIDAY...

SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SHOWERS IN THE
                    LATE MORNING AND EARLY AFTERNOON...THEN A
                    CHANCE OF SHOWERS LATE.
MAX TEMPERATURE.....AROUND 61.
MIN HUMIDITY........55 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS UP TO 25
                    MPH.
CWR (0.01 IN).......10 PERCENT BEFORE SUNRISE...INCREASING TO 90
                    PERCENT FOR LATE MORNING AND EARLY AFTERNOON...
                    DECREASING TO 30 PERCENT BY EVENING.
MIXING HEIGHT.......1700 FT AGL...INCREASING TO 2500 FT AGL LATE.
TRANSPORT WINDS.....SOUTH 17 TO 22 MPH...INCREASING TO SOUTHWEST 28
                    TO 31 MPH IN THE AFTERNOON.

TIME (EDT)          6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).............73  78  83  88  93  97  100 100 100 95  88  80
WEATHER COV.........    CHC CHC LKY DEF DEF DEF LKY LKY LKY CHC CHC
WEATHER TYPE........    RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
TSTM COV............
TEMP................50  49  50  51  52  53  54  55  56  58  59  60
RH..................59  62  60  61  62  62  63  64  64  63  61  59
20 FT WIND DIR......S   S   S   S   S   S   S   S   S   S   SW  W
20 FT WIND SPD......4   4   4   4   5   5   5   5   5   6   7   8
20 FT WIND GUST.....10  10  10  10  10  15  15  15  15  15  20  25
MIX HGT (KFT).......0.8 0.8 0.8 1.0 1.2 1.4 1.8 2.3 2.7 3.1 3.6 4.0
TRANSP WIND DIR.....S   S   S   S   S   S   S   S   S   SW  SW  SW
TRANSP WIND SPD.....22  21  21  18  17  18  22  28  31  31  30  30
CWR.................10  40  50  60  90  80  80  70  70  60  40  30

$$
FORECASTER...FILLO
REQUESTED BY...PATRICIA FELTON
TYPE OF REQUEST...PRESCRIBED
.TAG 20140424.HOPKI.04/RNK



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