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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
940 PM EST Wed Dec 2 2020

VAZ018-030900-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
940 PM EST Wed Dec 2 2020

Date           12/02/20      Thu 12/03/20            Fri 12/04/20            Sat
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                 22          54          37          53          40
TEMP                31 29 28 24 40 49 52 47 44 43 41 37 45 51 51 45 44 45 44 42
DEWPT               15 19 18 17 19 20 22 23 22 20 22 24 32 37 39 39 40 41 40 39
MIN/MAX RH                   73          28          58          44          88
RH                  51 66 66 74 42 31 31 38 41 39 46 59 60 59 63 79 86 86 86 89
WIND DIR            NW NW NW  W  W SW SW SW  W  W  W SW SW SW SW  S SW NW NW NW
WIND SPD             8  5  5  4  3  4  4  4  4  4  4  4  4  4  4  3  3  4  8 10
CLOUDS              CL CL CL CL FW FW SC SC B1 B2 B2 B2 B2 B2 B2 OV OV OV OV B2
CLOUDS(%)            0  0  3  5 15 24 33 32 63 81 86 84 80 80 77100100 96 96 79
VSBY                 7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7            
POP 12HR                      0           0          10          50          80
RAIN                                                  C  C  C  C  D  D  L  L  C
LAL                  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1               
HAINES               4  5  5  5  5  5  5  5  5  5  3  2  3  3  2  2            
MIX HGT             <1 <1 <1 <1 <1  1  2 <1 <1 <1 <1 <1 <1  2  3  1            
T WIND DIR           W  W NW  W  W SW SW SW  W  W  W SW SW  W SW SW            
T WIND SPD           9  9  8  6  4  5  9  4  4  4  4  5  9 13 26 10            
DISPERSION          PR PR PR             VP VP VP VP             VP VP VP PR   
ADI                  6  4  4  6  4  7 19  2  3  3  3  6 11 28 61  9            
MAX LVORI            3  3  3  3  2  2  2  2  2  2  2  3  2  2  1  4            
STABILITY            E  F  F  C  B  C  C  F  E  E  E  D  D  D  D  D            
CEILING                    None  None  None  8400  5700  3300  1200   600      
STA PRES                  27.98 27.97 27.91 27.89 27.84 27.80 27.72            


Date           12/05 Sun 12/06/20 Mon 12/07/20 Tue 12/08/20 Wed 12/09/20
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       49      32      43      29      44      30      44      31      50
TEMP          46 38 37 33 41 34 32 30 41 34 32 30 42 34 33 32 47 39
DEWPT         37 29 27 24 25 23 23 23 26 23 23 22 26 23 25 26 30 28
RH            71 70 67 69 52 64 69 75 55 64 69 72 53 64 72 78 51 64
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B1 B1 B1 SC SC SC SC SC SC SC SC SC FW SC SC SC SC
POP 12HR           40      10       5       5       5       5       5       0       0
RAIN           C                                                   
RAIN SHWRS    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