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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EDT Tue Oct 20 2026

NCZ003-210800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
131 AM EDT Tue Oct 20 2026

Date           10/19/26      Tue 10/20/26            Wed 10/21/26            Thu
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08

MIN/MAX TEMP                 45          74          45          73          46
TEMP                   49 47 48 61 70 72 60 55 51 47 46 60 68 71 61 53 50 48 46
DEWPT                  35 35 33 36 36 37 36 40 42 41 42 48 47 49 50 47 45 45 43
MIN/MAX RH                   66          26          85          44          91
RH                     58 63 56 39 29 28 41 57 71 79 86 64 47 46 67 80 83 89 89
WIND DIR               NW NW NW  N  N  N NW NW NW NW NW  N  N  N  N NW NW NW NW
WIND SPD                3  3  4  2  3  2  2  2  1  1  2  1  2  2  1  2  2  2  4
CLOUDS                 CL CL CL FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL
CLOUDS(%)               2  3  2  7  3  1  2  3  3  3  2  3  0  0  1  1  2  3  4
VSBY                   10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10   
POP 12HR                      0           0           0           0           0
MIX HGT                <1 <1 <1  1  3  2 <1 <1 <1 <1 <1  2  3  3 <1            
T WIND DIR              N  N  N  N  N  N  N  N  N  N  N  N  N NW NW            
T WIND SPD              8  8  8 11 10 11  6  9  8  6  5  8 10 11  8            
DISPERSION             VP VP             VP VP VP VP             VP VP VP VP   
ADI                     4  4  8 19 40 24  3  4  4  3  6 20 42 38  4            
MAX LVORI               3  3  3  2  1  2  3  3  5  5  5  3  1  1  3            
STABILITY               F  F  B  B  B  B  G  G  G  G  B  A  B  B  G            
CEILING                    None  None  None  None  None  None  None  None      
STA PRES                  28.32 28.33 28.28 28.29 28.27 28.27 28.18            


Date           10/22Fri 10/23/26Sat 10/24/26Sun 10/25/26Mon 10/26/26
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MAX/MIN TEMP       72      47      68      43      64      42      68      44      74
TEMP          68 61 51 47 63 54 46 43 58 52 44 43 63 57 47 45 70 62
DEWPT         47 47 45 43 54 51 45 42 49 48 44 43 52 49 45 42 52 52
RH            47 60 80 86 72 90 96 96 72 86100100 67 75 93 89 53 70
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    CL CL CL CL CL FW CL FW FW CL CL FW FW FW CL FW FW FW
POP 12HR            0       0       0       0       0       0       0       0       0

$$


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

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