EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EDT Sun Aug 9 2026

VAZ024-100800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
431 PM EDT Sun Aug 9 2026

Date           08/09/26      Mon 08/10/26            Tue 08/11/26            Wed
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                 69          96          72          94          69
TEMP          92 84 77 73 70 72 88 94 95 86 79 76 73 74 87 92 93 85 76 72 70 72
DEWPT         67 69 69 68 67 68 70 68 67 68 69 69 68 70 71 70 69 70 70 70 68 70
MIN/MAX RH                   92          41          88          45          97
RH            44 61 76 84 90 87 55 43 40 55 72 79 84 87 59 49 46 61 82 93 93 93
WIND DIR       W  W  W  N  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W
WIND SPD       3  2  1  0  1  1  3  4  5  3  2  2  2  3  4  5  6  4  2  1  2  3
WIND GUST                                13                16 18 16            
CLOUDS        B1 SC B1 B1 SC SC FW SC SC FW SC B1 B1 SC SC B1 B1 SC B1 SC SC SC
CLOUDS(%)     63 37 51 51 38 44  8 32 49 25 49 62 63 41 42 64 64 48 58 41 46 50
VSBY          10 10 10  9  7  9 10 10 10 10 10 10 10 10 10  7  7  7            
POP 12HR                      5           5          10          50          20
RAIN SHWRS    SC                                           SC SC IS IS         
TSTMS         SC                                           SC SC IS            
MIX HGT        5 <1 <1 <1 <1 <1  4  6  5 <1 <1 <1 <1 <1  3  4  5 <1            
T WIND DIR     W  W  W  W NW NW  W  W  W  W  W NW  W NW  N  W  W  W            
T WIND SPD    11 10  3  2  2  3  8 11 12  4  9 20  6  4  3 16 17 12            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           63  5  2  1  1  3 39 82 83  2  4  9  3  4 12 79 96  8            
MAX LVORI      1  3  4  6  7  6  1  1  1  3  3  4  6  5  2  1  1  3            
STABILITY      B  G  F  F  G  A  A  A  A  G  F  F  F  A  A  B  B  E            
CEILING              None  None  None  None  None 15000 11400  7700  None      
STA PRES            28.56 28.58 28.56 28.51 28.56 28.50 28.53 28.42            


Date           08/12Thu 08/13/26Fri 08/14/26Sat 08/15/26Sun 08/16/26
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       93      69      94      69      87      66      87      66      88
TEMP          91 84 73 72 91 85 72 71 86 80 70 69 85 80 70 69 86 81
DEWPT         70 70 70 70 70 69 69 69 69 69 68 66 67 67 67 66 69 69
RH            50 63 90 93 50 59 90 93 57 69 93 90 55 65 90 90 57 67
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B1 B1 SC SC SC B1 B1 B2 B1 B1 SC B1 B1 B1 B1 B1
POP 12HR           30      40      10      10      50      40      30      30      40
RAIN SHWRS       SC SC                SC SC SC IS IS SC SC SC IS SC
TSTMS            SC IS                   SC IS       IS          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