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

VAZ012-092000-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
801 AM EDT Sun Aug 9 2026

Date             Sun 08/09/26            Mon 08/10/26            Tue 08/11/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 87          65          87          66          86
TEMP                77 84 84 75 69 67 66 67 78 84 86 78 70 68 67 68 77 83 85 76
DEWPT               70 68 68 68 66 65 64 66 70 69 69 68 67 67 67 67 71 69 69 68
MAX/MIN RH                   55          98          57         100          59
RH                  79 59 59 79 90 93 93 97 76 61 57 71 90 97100 97 82 63 59 76
WIND DIR            NW  W  W SW  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W
WIND SPD             1  1  1  1  1  2  2  2  3  3  3  2  3  3  3  3  3  3  3  3
CLOUDS              B1 B1 B1 B1 SC SC SC B1 SC SC FW FW FW SC SC B1 B1 B1 B1 B1
CLOUDS(%)           54 62 57 54 36 29 49 51 47 39 24 18 25 30 41 53 52 64 64 65
VSBY                10 10 10 10 10  9  7  8 10 10 10 10 10 10 10 10 10  6  6  6
POP 12HR                     20           5          20          10          50
RAIN SHWRS             IS IS                                           SC SC SC
TSTMS                  IS IS                                           SC SC SC
MIX HGT              3  4  4 <1 <1 <1 <1 <1  3  5  4 <1 <1 <1 <1  1  3  4  4 <1
T WIND DIR           W  W SW  W SW  W  W  W  W  W  W  W  W  W  W  W  W  W  S  W
T WIND SPD           6  3  8  4  5  6  5  4 11 16 13 10  8  9 12 14 12  6  9  5
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 24 18 40  2  3  3  3  5 45 98 75  5  4  4  6 22 46 36 43  3
MAX LVORI            3  2  1  4  6  6  8  9  3  1  1  3  6  6  9  5  3  1  1  4
STABILITY            B  B  B  F  G  G  F  B  A  A  A  G  G  G  F  B  B  B  B  F
CEILING              None  None  None  None  None  None  None  None  None   200
STA PRES            27.41 27.37 27.36 27.38 27.38 27.33 27.35 27.35 27.38 27.34


Date          Wed 08/12/26Thu 08/13/26Fri 08/14/26Sat 08/15/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       65      84      65      83      64      79      62      81
TEMP          68 66 82 75 68 67 79 74 67 66 76 71 65 64 77 72
DEWPT         66 66 69 68 66 67 70 69 66 66 69 67 63 64 67 66
RH            93100 65 79 93100 74 84 97100 79 87 93100 71 81
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B1 B1 B1 B1 B2 B2 B1 B2 B2 B2 B1 B1 B1 B1
POP 12HR           50      50      40      60      30      60      30      40
RAIN SHWRS    SC IS    SC SC SC IS NM SC IS SC NM SC IS SC SC
TSTMS         SC       SC          SC IS    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