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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
313 PM EST Sun Dec 10 2017

WVZ043-110900-
RAWS 465401
37.53N  81.00W Elev. 2725 ft
313 PM EST Sun Dec 10 2017

Date           12/10/17      Mon 12/11/17            Tue 12/12/17            Wed
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07

MIN/MAX TEMP                 26          44          30          34          13
TEMP          33 31 29 29 28 27 36 41 42 38 36 33 32 30 32 33 30 23 19 17 14 13
DEWPT         18 19 19 21 23 24 23 25 25 27 29 29 29 27 25 22 20 14 12  8  7  5
MIN/MAX RH                   89          47          89          62          73
RH            53 61 66 72 81 88 59 52 50 64 75 85 88 88 75 63 66 68 74 67 73 70
WIND DIR       W SW  W  W  W  W  W  W SW  S SW SW  W  W  W  W  W NW NW NW NW NW
WIND SPD      11  9  9 12 11 10 10  8  6  6  6  9 11 10 14 13 16 12 14 12 14 11
WIND GUST              25 23    20                      25 26 27 25 26 26 25   
CLOUDS        SC SC SC SC SC SC SC FW SC SC B2 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 SC
CLOUDS(%)     27 30 32 35 36 40 32 14 45 38 70 60 63 77 85 73 79 77 78 63 57 42
VSBY           7  7  7  7  7  7  7  7  7  7  7  7  6  4  4  5  5  3            
POP 12HR                      0           0          10          40          40
SNOWSHWRS                                            SC SC SC SC SC SC IS IS   
LAL            1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1               
HAINES         3  4  3  2  2  3  4  5  5  4  4  4  2  2  2  2  3  4            
MIX HGT        3  1 <1  1  1  1  2  2  2 <1 <1 <1 <1 <1  2  4  5  5            
T WIND DIR     W SW  W  W  W  W  W  W SW SW SW  W  W  W  W NW NW NW            
T WIND SPD    19 18 21 25 24 19 14 11 17  6  8  8 10 25 35 36 36 39            
DISPERSION       PR PR FR FR             PR PR PR FR             FR GD FR GD   
ADI           57 12 15 29 16 38 36 29 37  4  7  7 10 32 75103114 52            
MAX LVORI      1  2  2  3  3  4  3  2  1  3  4  4  4  4  3  1  1  1            
STABILITY      C  E  E  D  E  C  C  C  C  E  D  D  D  D  D  D  D  D            
CEILING              None  None  None  None 14000  5600   500   900  1200      
STA PRES            27.62 27.62 27.63 27.49 27.39 27.29 27.30 27.30            


Date           12/13 Thu 12/14/17 Fri 12/15/17 Sat 12/16/17 Sun 12/17/17
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly     13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19

MAX/MIN TEMP       27      21      40      26      35      23      46      32      50
TEMP          25 23 23 25 38 33 31 27 34 29 25 24 43 38 35 36 48 32
DEWPT          6  7 13 19 25 26 26 23 19 18 18 17 24 25 26 28 33 32
RH            44 50 65 78 59 75 81 85 54 63 74 74 47 59 69 72 56100
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC FW B1 B2 B2 B2 B2 B2 B2 B1 SC SC SC FW SC SC SC B1
POP 12HR            5      10      20      30      30       5       5      10      20
RAIN SHWRS                                                    IS   
SNOWSHWRS                    IS IS SC SC 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