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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
934 AM EST Sun Dec 5 2021

NCZ003-052100-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
934 AM EST Sun Dec 5 2021

Date             Sun 12/05/21            Mon 12/06/21            Tue 12/07/21
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                 55          45          69          34          46
TEMP                50 54 53 49 49 48 47 47 55 64 64 56 47 41 38 35 39 43 42 39
DEWPT               33 33 33 34 37 40 43 46 49 51 50 46 37 30 27 24 23 22 24 26
MAX/MIN RH                   43          96          59          71          43
RH                  52 45 46 56 63 74 86 96 80 63 60 69 68 65 64 64 52 43 48 59
WIND DIR             E  E  E  E SE SW SW SW SW SW SW NW NW  N  N  N NE  E  E  E
WIND SPD             8  6  5  3  2  4  5  9 10 12 11 13 13 11  9  6  4  3  2  4
WIND GUST                                            24 24                     
CLOUDS              B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B2 B2 B1 SC SC SC SC B1 B2 B2
CLOUDS(%)           60 57 64 68 73 70 83 62 64 64 71 80 56 40 36 41 49 69 75 81
VSBY                10 10 10 10 10  9  9  8  9  8  7  7  7  7  7  7  7  7  7   
POP 12HR                      0           5          20          10          30
RAIN                                                                    C  C  C
RAIN SHWRS                                     IS IS                           
LAL                  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1               
HAINES               2  2  2  2  2  2  3  3  3  4  4  3                        
MIX HGT              2  2  2  2  2  1  1  1  2  2  2 <1                        
T WIND DIR           E  E  E SE  S  S SW SW SW SW SW SW                        
T WIND SPD          23 12 12 10 14 14 20 29 35 36 32 18                        
DISPERSION                   VP VP VP PR             FR FR FR PR             VP
ADI                 38 31 29  7  7  6 14 43 65 79 68 16                        
MAX LVORI            1  1  2  3  3  3  4  4  3  1  1  3                        
STABILITY            D  C  C  E  F  F  E  D  D  D  D  D                        
CEILING                    3100  2100  1200   500   400  None                  
STA PRES                  29.13 29.15 29.05 28.99 28.92                        


Date          Wed 12/08/21 Thu 12/09/21 Fri 12/10/21 Sat 12/11/21
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       34      43      29      46      32      52      44      64
TEMP          36 36 41 41 36 32 43 41 38 37 49 48 47 48 58 60
DEWPT         30 32 37 36 32 28 31 32 33 34 40 44 46 48 54 55
RH            79 85 85 82 85 85 62 70 82 89 71 86 96100 86 84
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 OV OV OV SC SC SC SC SC B1 B1 B1 B1 B2 B2 B2
POP 12HR           50      70      20      10      10      20      20      30
RAIN           C  C  L  L  S                    S  S  S  S  C

$$


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