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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Sat Aug 22 2026

VAZ012-230800-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
401 PM EDT Sat Aug 22 2026

Date           08/22/26      Sun 08/23/26            Mon 08/24/26            Tue
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                 58          78          53          79          52
TEMP          77 67 63 61 59 59 68 74 73 65 58 55 53 55 71 77 74 65 56 53 52 54
DEWPT         65 64 62 60 59 59 59 56 55 54 54 52 51 52 55 53 53 52 51 50 48 50
MIN/MAX RH                  100          49          92          43          88
RH            67 90 97 97100100 73 53 53 68 86 90 93 90 57 43 48 63 83 89 86 86
WIND DIR       W  W  W  W  W NW NW NW  W  W  W  W  W  W  W  W NW NW  N  N  N  N
WIND SPD       2  2  3  3  3  3  3  3  3  1  1  1  1  1  2  3  2  1  0  0  0  0
CLOUDS        B1 B1 B1 SC SC SC SC FW SC FW FW FW FW FW FW FW FW FW SC SC FW SC
CLOUDS(%)     56 63 58 34 41 42 34 13 31 16 11 25 16 12 16 22 19 16 36 29 21 26
VSBY          10 10  8  7  6  4 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     30           0           0           0           0
RAIN SHWRS    SC IS IS                                                         
TSTMS         IS IS IS                                                         
MIX HGT        4 <1 <1 <1 <1  1  3  5  5 <1 <1 <1 <1 <1  4  5  6 <1            
T WIND DIR     W SW SW  W NW NW NW NW NW  W NW  W  W  W  W  W  W  N            
T WIND SPD     6  8  4 12  6 18 20 16 14  9  4  3  3  4 12  9  8  2            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           32  4  2  6  3 30 85104100  4  2  2  2  4 62 56 55  1            
MAX LVORI      3  6  9  7  9  4  3  1  1  3  6  7  7  6  1  1  1  3            
STABILITY      B  F  F  G  F  A  A  A  A  G  G  G  G  A  A  A  A  G            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            27.21 27.22 27.28 27.27 27.30 27.31 27.33 27.31            


Date           08/25Wed 08/26/26Thu 08/27/26Fri 08/28/26Sat 08/29/26
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       82      56      86      61      83      60      84      60      85
TEMP          78 69 58 58 81 73 63 63 78 71 63 62 79 73 62 62 80 73
DEWPT         52 54 53 54 60 61 60 62 66 65 62 62 65 63 61 62 63 63
RH            40 59 83 86 49 66 90 97 67 81 97100 62 71 97100 56 71
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC FW FW FW SC B1 SC B1 B1 B1 SC SC SC B1 SC SC SC SC
POP 12HR            0       0      30      20      50      20      30      20      20
RAIN SHWRS                   SC    IS SC SC IS    IS SC IS IS IS IS
TSTMS                        SC       IS SC IS       SC          IS

$$


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