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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Wed Oct 21 2026

VAZ012-220800-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
231 AM EDT Wed Oct 21 2026

Date           10/20/26      Wed 10/21/26            Thu 10/22/26            Fri
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                 41          64          42          62          33
TEMP                      43 41 56 64 63 52 48 45 43 43 55 62 60 49 43 40 36 35
DEWPT                     35 35 39 36 38 39 38 39 38 38 39 35 36 36 34 35 34 33
MIN/MAX RH                   79          35          85          37          98
RH                        73 79 53 35 39 61 68 79 82 82 55 36 41 61 70 82 92 92
WIND DIR                   N  N  N  N  N  N  N  N NW  N NW  N  N NW NW  N  N  N
WIND SPD                   0  0  0  2  2  2  2  2  2  2  2  2  2  2  2  1  0  0
CLOUDS                    CL CL CL CL CL CL CL CL FW FW FW CL CL CL CL CL FW FW
CLOUDS(%)                  3  3  2  3  3  2  4  5 15 14 15  3  3  1  3  3  9  7
VSBY                      10 10 10 10 10 10 10 10 10 10 10 10 10 10 10  5  0  1
POP 12HR                      0           0           0           0           0
MIX HGT                   <1 <1  2  4  3 <1 <1 <1 <1 <1  2  3  3 <1 <1 <1 <1 <1
T WIND DIR                 N NW  N  N  N NW NW NW NW NW NW  N NW NW NW NW NW  W
T WIND SPD                 1  1  5 11 10  6  5  5  4  5 10  9 11  9  5  3  2  2
DISPERSION                VP             VP VP VP VP             VP VP VP VP   
ADI                        1  1 11 50 40  3  3  3  2  6 23 33 40  4  3  2  1  2
MAX LVORI                  4  4  2  1  1  3  5  6  9  8  2  1  1  3  3  5  7  6
STABILITY                  G  A  A  B  B  G  G  G  G  B  B  B  B  G  G  G  G  A
CEILING                    None  None  None  None  None  None  None  None  None
STA PRES                  27.42 27.42 27.36 27.36 27.33 27.36 27.35 27.40 27.43


Date           10/23Sat 10/24/26Sun 10/25/26Mon 10/26/26Tue 10/27/26
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       64      32      60      32      63      35      68      39      68
TEMP          61 52 39 33 57 48 36 33 59 51 41 36 64 54 44 40 64 55
DEWPT         40 41 38 33 36 37 35 33 39 40 37 34 39 43 40 39 44 45
RH            46 66 96100 45 65 96100 47 66 85 92 40 66 86 96 48 69
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    CL CL CL FW FW CL CL FW FW FW FW FW SC FW FW SC SC SC
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