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

NCZ019-052100-
RAWS 312001
36.23N  81.32W Elev. 2380 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                 52          46          63          33          43
TEMP                48 51 49 49 48 48 47 48 55 63 60 52 45 39 36 33 38 42 40 38
DEWPT               37 36 36 35 37 40 43 44 48 48 47 41 34 29 26 24 24 23 25 26
MAX/MIN RH                   56          88          59          71          47
RH                  65 56 61 58 65 74 86 86 77 58 62 66 65 67 67 69 57 46 55 62
WIND DIR             E  E SE  W SW SW SW SW SW SW SW NW NW NW  N  N NE SE SE SE
WIND SPD             5  4  4  1  2  3  4  5  6  9  9  9  6  5  3  3  2  2  2  2
CLOUDS              B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B2 B1 B1 SC SC SC SC B1 B2 B2
CLOUDS(%)           61 60 76 73 79 74 71 56 59 67 80 68 51 37 37 41 50 64 74 80
VSBY                10 10 10 10  8  9  9  9  9  8  7  7  7  7  7  7  7  7  7   
POP 12HR                      5          10          30          20          30
RAIN                                                                    C  C  C
RAIN SHWRS                               IS SC SC SC 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  4  4  3  3                        
MIX HGT              2  2  2  2  2  2  1  1  2  2  2 <1                        
T WIND DIR           E  E SE SE  S SW SW SW SW SW  W  W                        
T WIND SPD          17 10  9  8  9 12 10 12 25 33 24 12                        
DISPERSION                   VP VP VP VP             PR PR PR VP             VP
ADI                 33 23 18  4  4  6  5 20 47 69 49 11                        
MAX LVORI            3  2  2  3  3  4  5  4  3  1  1  3                        
STABILITY            D  D  D  F  F  F  F  D  D  D  D  D                        
CEILING                    2600  1100   300     0   600  None                  
STA PRES                  28.05 28.06 27.96 27.91 27.84                        


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       37      43      33      46      37      50      46      63
TEMP          37 37 43 42 35 33 43 40 39 39 50 47 47 49 60 58
DEWPT         29 32 37 35 31 28 31 32 34 35 40 43 45 47 52 53
RH            72 82 79 76 85 82 62 73 82 85 68 86 93 93 75 83
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 OV OV B1 SC SC SC B1 B1 B1 B1 B1 B1 B2 B2
POP 12HR           50      60      10      10      20      20      20      60
RAIN           C  C  L  L                 S  S  S  S  S  C  L

$$


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