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

NCZ003-030900-
RAWS 310301
36.48N  80.86W Elev. 1300 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                 25          56          35          54          41
TEMP                33 30 30 27 43 52 54 47 44 42 40 35 46 51 52 47 46 45 45 44
DEWPT               21 18 17 17 21 23 25 30 28 28 28 29 37 42 46 46 46 45 44 41
MIN/MAX RH                   67          29          78          61         100
RH                  61 60 58 65 41 32 32 51 53 57 62 78 71 71 80 96100100 96 89
WIND DIR             W  W NW NW  S  S  S SW  W SW SW  S  S  S  S SE SW NW NW NW
WIND SPD             3  2  2  3  1  4  3  2  2  2  3  2  3  4  3  2  3  4  6  9
CLOUDS              CL CL CL CL FW FW SC SC B1 B2 OV B2 B2 B2 B2 OV OV OV OV B2
CLOUDS(%)            0  0  2  3 11 16 26 34 58 84 90 86 82 81 82100100 96 96 70
VSBY                 7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  5            
POP 12HR                      0           0          10          60          80
RAIN                                                  C  C  L  L  D  D  L  L  C
Obvis                                                             F  F  F PF   
LAL                  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1               
HAINES               5  5  5  5  5  5  5  5  5  5  5  3  5  4  3  3            
MIX HGT             <1 <1 <1 <1 <1  2  2  1  1 <1 <1 <1  1  3  2  1            
T WIND DIR          NW NW NW  N SW SW SW SW SW SW SW  S SW SW SW SE            
T WIND SPD           4  5  5  3  5 10 10 11  9 10 11  2 17 19  8  3            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP PR   
ADI                  2  2  2  4  6 26 29  5  4  4  5  2 32 44 21  4            
MAX LVORI            2  2  2  3  2  2  2  2  2  3  3  4  3  3  3  7            
STABILITY            G  G  G  B  B  C  B  G  F  F  F  C  C  D  C  D            
CEILING                    None  None  None  7900  6900  5700   500   400      
STA PRES                  28.33 28.34 28.28 28.26 28.21 28.17 28.05            


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       53      31      49      29      48      29      48      29      53
TEMP          50 41 35 32 45 37 32 31 45 37 32 30 46 37 32 31 51 41
DEWPT         40 33 28 25 29 28 25 25 29 27 25 24 28 27 26 26 32 31
RH            68 73 75 75 53 70 75 78 53 67 75 78 49 67 78 81 48 67
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 SC SC SC SC FW SC SC SC FW SC SC FW FW SC FW FW FW
POP 12HR           30       5       5       5       5       5       0       0       0
RAIN           C                                                   
RAIN SHWRS    SC                                                   

$$


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