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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
311 AM EST Sun Nov 29 2020

NCZ019-292100-
RAWS 312001
36.23N  81.32W Elev. 2380 ft
311 AM EST Sun Nov 29 2020

Date             Sun 11/29/20            Mon 11/30/20            Tue 12/01/20
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                 54          45          51          30          35
TEMP          41 39 47 51 53 49 46 45 46 48 49 51 46 42 39 37 36 30 33 34 33 30
DEWPT         33 33 36 37 38 40 42 44 46 47 47 44 35 32 29 26 24 21 19 18 17 17
MAX/MIN RH                   56          98          64          68          49
RH            73 79 65 59 57 71 86 96100 96 93 77 65 67 67 64 61 69 56 51 51 58
WIND DIR      NW  N  S  S  S  N  N NE NE NW  W  W  W NW NW NW NW  W  W  W  W  W
WIND SPD       2  2  1  3  1  3  4  4  3  5  8 10 11 11 11 11 11 11 12 13 12 10
WIND GUST                                            21 21          23 24      
CLOUDS        FW SC B1 B2 B2 OV OV OV OV OV B2 B1 B1 B1 B2 B2 B1 B1 SC SC SC FW
CLOUDS(%)     19 28 62 79 85 94100100100 91 75 61 53 63 76 77 67 60 49 46 28 23
VSBY           7  7  7  7  7  7  3  3  3  3  3  7  7  7                        
POP 12HR                     10         100          60          20           5
RAIN                             D  D                                          
RAIN SHWRS                   IS        O NM NM IS IS IS IS IS IS               
SNOWSHWRS                                                  IS IS               
LAL            1  1  1  1  1  1  1  1  1  1  1  1  1                           
HAINES         4  4  4  3  2  2  3  3  2  3  3  2  2  2                        
MIX HGT       <1 <1  2  3  3  2  2  1  1  1  2  3  3  2                        
T WIND DIR     W  W SW SW  S SE  E NE SE SE SW  W NW NW                        
T WIND SPD     2  1  6 11 10  8 13 14 13  9 26 21 21 24                        
DISPERSION    VP             VP VP VP VP             FR FR FR FR             FR
ADI            1  1 16 25 31  3 15 13 15 13 50 52 52 33                        
MAX LVORI      3  4  3  2  1  3  4  5  5  5  4  3  1  3                        
STABILITY      G  B  C  D  C  F  D  D  D  D  D  D  D  D                        
CEILING              1600   800  1000   400   300  1500  3400                  
STA PRES            28.05 28.00 27.88 27.66 27.56 27.56                        


Date          Wed 12/02/20 Thu 12/03/20 Fri 12/04/20 Sat 12/05/20
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       25      45      29      50      35      47      36      47
TEMP          28 26 42 39 35 30 46 43 40 35 45 42 40 36 45 40
DEWPT         17 14 16 17 17 18 27 29 28 30 34 34 33 33 33 29
RH            63 60 34 40 47 60 47 57 62 82 65 73 76 89 62 64
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW CL FW FW SC B1 B1 B2 B1 B1 B1 B1 B1 SC
POP 12HR            0       5       5      10      20      30      30      20
RAIN                                      S  C  C  C  S  S  S

$$


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