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

VAZ018-230800-
RAWS 444002
37.56N  80.18W Elev. 2702 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                 62          80          57          80          55
TEMP          80 70 66 65 64 63 71 78 76 66 62 59 58 59 73 79 76 65 60 56 55 57
DEWPT         66 65 63 62 61 61 61 57 55 54 54 54 54 54 56 54 53 52 51 51 50 51
MIN/MAX RH                   93          46          87          42          85
RH            62 84 90 90 90 93 71 48 48 65 75 83 86 83 55 42 45 63 72 83 83 80
WIND DIR      SW  W  W  W  W NW NW NW NW  W  W  W  W  W  W  W NW NW NW NW NW NW
WIND SPD       3  3  4  5  6  6  6  6  6  4  2  3  3  3  6  6  6  4  2  2  1  2
WIND GUST           17 20 24 25 21 19 19 14             18 17 17 14            
CLOUDS        B2 B1 SC SC FW SC FW FW FW FW FW CL CL CL FW FW FW FW FW FW FW FW
CLOUDS(%)     70 54 43 31 18 27 20  7 11 15 12  1  3  3  7 10  8 16 16 19 13  8
VSBY          10  9  8  9  6  0 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     20           0           0           0           0
RAIN SHWRS    NM IS IS                                                         
TSTMS         IS IS IS                                                         
MIX HGT        4 <1 <1 <1 <1  1  4  6  6 <1 <1 <1 <1 <1  4  5  6  1            
T WIND DIR     W  S SE SW  W NW NW NW  W  W NW  W  W  W  W  W  W NW            
T WIND SPD     3  8  3  5 12 13 23 17 17 17 11  3  3  5 19 13 10  8            
DISPERSION       VP VP PR PR             VP VP VP VP             VP VP VP VP   
ADI           17  4  2  3  6 22 99110113  8  5  2  2  6102 84 67  4            
MAX LVORI      2  5  6  6  6  4  3  1  1  3  4  5  6  5  1  1  1  3            
STABILITY      B  F  E  F  F  B  B  B  B  F  G  G  G  A  B  B  B  F            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            27.72 27.71 27.79 27.78 27.82 27.83 27.85 27.84            


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       83      60      86      65      84      64      84      64      85
TEMP          82 70 61 62 84 74 67 67 81 72 67 66 82 74 66 67 83 74
DEWPT         54 55 54 55 63 62 62 63 69 66 64 64 68 65 63 63 67 64
RH            38 59 78 78 49 66 84 87 67 81 90 93 63 74 90 87 59 71
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW FW FW SC B1 B1 B1 B2 B1 SC SC B1 SC SC SC SC
POP 12HR            0       0      20      30      60      30      30      20      20
RAIN SHWRS                   IS SC IS SC NM SC       SC IS IS IS IS
TSTMS                        IS IS    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