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

VAZ018-220800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
401 PM EDT Wed Oct 21 2026

Date           10/21/26      Thu 10/22/26            Fri 10/23/26            Sat
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                 40          68          40          64          39
TEMP          65 55 50 46 44 42 56 64 66 56 51 47 45 42 57 64 62 49 45 42 40 40
DEWPT         38 43 44 41 41 37 38 34 37 39 37 37 39 41 50 50 48 46 45 42 40 39
MIN/MAX RH                   98          31         100          58         100
RH            37 64 80 83 89 82 51 32 34 53 59 68 79 96 77 60 60 89100100100 96
WIND DIR       N NW  N NW NW NW  N  N NW NW NW NW NW NW NE  E  E SE SE  E  N NE
WIND SPD       3  4  3  3  4  5  4  3  4  5  3  3  2  2  3  3  3  2  1  1  0  1
WIND GUST                    16          18                                    
CLOUDS        CL CL CL CL FW FW CL CL CL CL CL FW FW FW CL FW CL CL FW FW FW FW
CLOUDS(%)      0  0  0  0  7  9  5  0  0  0  0  9 13 12  4  8  3  3  6  8  8 19
VSBY          10 10 10 10 10 10 10 10 10 10 10 10 10 10  7 10 10 10 10 10 10   
POP 12HR                      0           0           0           0           0
MIX HGT        3 <1 <1 <1 <1 <1  1  3  3 <1 <1 <1 <1 <1  2  4  3 <1            
T WIND DIR    NW  W NW NW NW NW NW NW NW NW NW NW NW  N NE NE NE  E            
T WIND SPD     8  2  3  4  4  6  9  8 11  6  5  4  4  3  9  6  6  9            
DISPERSION       VP VP VP VP             PR VP VP VP             VP VP VP VP   
ADI           27  1  2  2  2  7 17 32 41  3  3  2  2  4 27 31 29  4            
MAX LVORI      2  3  5  5  6  4  2  1  1  2  3  3  4  9  3  1  2  6            
STABILITY      B  F  G  G  F  B  B  B  B  F  G  G  G  B  B  B  B  G            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            27.90 27.88 27.90 27.89 27.94 27.98 28.05 28.06            


Date           10/24Sun 10/25/26Mon 10/26/26Tue 10/27/26Wed 10/28/26
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       60      38      62      39      69      43      69      47      64
TEMP          59 49 41 40 61 51 43 41 67 55 46 44 68 58 50 48 63 55
DEWPT         43 42 40 39 46 45 42 39 45 45 43 42 50 49 47 47 51 50
RH            55 77 96 96 58 80 96 92 45 69 89 93 52 72 89 96 65 83
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW CL CL FW FW FW CL FW FW FW FW SC SC SC SC B1 B1 SC
POP 12HR            0       0       0       0       0       0       0       0       5

$$


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