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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
937 AM EST Sat Dec 16 2017

VAZ018-162100-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
937 AM EST Sat Dec 16 2017

Date             Sat 12/16/17            Sun 12/17/17            Mon 12/18/17
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19

MAX/MIN TEMP                 45          30          47          36          54
TEMP                36 42 43 38 33 32 31 30 38 44 46 43 41 40 39 37 46 51 53 49
DEWPT               22 21 20 21 21 21 21 22 25 26 28 29 31 33 35 37 40 42 42 41
MAX/MIN RH                   38          71          46          99          65
RH                  56 43 39 50 61 63 66 72 59 49 49 57 67 76 85100 79 71 66 74
WIND DIR             W  W  W  W  W  W NW  W SW SW  S SW  W  W  W  W  W  W  W  W
WIND SPD             6 10  8  4  4  3  3  2  3  3  3  3  3  4  4  5  5  8  6  5
CLOUDS              B1 CL CL CL FW FW SC B1 B2 B2 OV B2 B1 B2 B1 B1 B1 B1 B1 B1
CLOUDS(%)           53  4  0  1  9 21 41 62 76 85 91 82 63 72 58 66 64 65 52 65
VSBY                10 10 10 10 10 10 10 10 10 10 10 10                        
POP 12HR                      0           0          20          30          20
RAIN SHWRS                                     IS IS SC SC SC SC IS IS IS IS   
LAL                  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1   
HAINES               3  2  3  4  4  4  5  4  4  5  4  3  2  2  2  2  2  3  2  3
MIX HGT              2  3  2 <1 <1 <1 <1 <1 <1 <1  1  1 <1 <1 <1 <1  2  2  2  2
T WIND DIR           W  W  W  W  W  W  W  W  W SW SW SW SW  W  W  W  W  W  W  W
T WIND SPD          23 24 25 21 10 10  8  5  4  8  9 16 24 19 13 10 29 28 28 28
DISPERSION                   VP VP VP VP             VP VP VP VP             PR
ADI                 48 59 62 14  8  6  5  5  5  9 13 12 17 14 11 11 56 55 55 25
MAX LVORI            1  1  1  2  3  3  3  3  3  2  2  3  3  3  5  7  3  3  2  3
STABILITY            C  C  C  E  F  F  E  C  C  C  C  E  E  E  E  D  D  D  D  E
CEILING                    None  None  None 13000  7900   300     0   500   700
STA PRES                  27.93 28.00 28.03 28.02 27.96 27.96 27.95 27.96 27.90


Date          Tue 12/19/17 Wed 12/20/17 Thu 12/21/17 Fri 12/22/17
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly     01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19

MIN/MAX TEMP       43      57      37      45      31      49      39      53
TEMP          47 43 55 49 44 37 44 39 36 32 46 45 42 40 51 45
DEWPT         41 40 42 38 30 22 16 16 17 19 28 28 31 32 40 38
RH            79 89 61 66 57 54 32 39 45 58 49 51 65 73 66 76
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B1 B1 B1 SC FW FW FW SC SC SC SC B1 B2 B2
POP 12HR           10      20      10      10      20      10      10      20
RAIN SHWRS          IS IS             IS IS             IS IS

$$


This product is for planning and review purposes only and is not
to be substituted for an official fire weather spot forecast. The
data displayed are calculated from a 2.5 by 2.5 km digital
database and only approximates weather conditions in highly
varying terrain. Please relay any comments you have to the NWS via
email at rnk.webmaster@noaa.gov.

Below is a weather element key for this product.
(Note...winds do not reflect local terrain effects.)

DAY 1 THROUGH 3...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....Maximum/Minimum air temperature
TEMP(F).............................Air temperature
DEWPT(F)............................Dew point temperature
MIN/MAX RH OR MAX/MIN RH(%).........Maximum/Minimum humdity
RH(%)...............................Relative humidity
WIND DIR(8 POINT COMPASS)...........Wind direction
WIND SPD(MPH).......................Wind speed
CLOUDS(CATEGORY)....................Cloud cover category
     EXAMPLE: CL = CLEAR; FW = FEW; SC = Scattered; BK = Broken; OV = Overcast
CLOUDS(%)...........................Cloud cover as a percentage
VSBY................................Visibility value in statute miles
POP 12HR(%).........................Probability for accumulating precipitation
WEATHER...
   TYPE...
       RAIN...........Rain
       RAIN SHWRS.....Rain showers
       TSTMS..........Thunderstorms
       DRIZZLE........Drizzle
       SNOW...........Snow
       SNOWSHWRS......Snow showers
       SLEET..........Sleet
       FRZG RAIN......Freezing rain
       FRZG DRZL......Freezing drizzle
   COVERAGE...
       IS.............Isolated
       SC.............Scattered
       NM.............Numerous
       O..............Occasional
       S..............Slight chance
       C..............Chance
       L..............Likely
       WD.............Widespread
       D..............Definite
       AR.............Areas
       PA.............Patchy
LAL(CATEGORY).......................Lightning Activity Level
HAINES(CATEGORY)....................Haines Index
MIX HGT(THOUSANDS OF FT AGL)........Mixing height
     Example: 6 = 6000 feet; 12 = 12000 feet; <1 = Less than 1000 foot
t WIND DIR(8 POINT COMPASS).........Transport Wind direction
T WIND SPD(MPH).....................Transport Wind speed
DISPERSION(CATEGORY)................Smoke Dispersion category
     Values: vp =Very Poor;PR = Poor; FR = Fair; GD = Good;
ADI (INDEX).........................Atmospheric Dispersion Index
MAX LVORI (INDEX)...................Low Visibility Occurrence Risk Index
STABILITY (CATEGORY)................Pasquill Turner Stability
CEILING (FT)........................Ceiling
STA PRES (INCHES MERCURY)...........Station pressure

Day 4 Through 7...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....Maximum/Minimum air temperature
TEMP(F).............................Air temperature
DEWPT(F)............................Dew Point temperature
RH(%)...............................Relative Humidity
WIND SPD(MPH).......................Wind Speed
     Example: <15 = less than 15 MPH; 15> = 15 MPH or greater
AVE CLOUDS(CATEGORY)................Average Cloud Cover Category
POP 12HR(%).........................Probability for accumulating precipitation
WEATHER.............................See Day 1 through 3 weather descriptions