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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
901 AM EDT Fri Aug 14 2026

VAZ012-142000-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
901 AM EDT Fri Aug 14 2026

Date             Fri 08/14/26            Sat 08/15/26            Sun 08/16/26
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                 86          67          87          67          89
TEMP                79 83 86 78 71 70 69 69 77 82 82 75 71 70 69 68 79 84 87 80
DEWPT               72 71 71 71 69 69 68 69 72 72 72 71 69 68 68 68 72 70 70 70
MAX/MIN RH                   61         100          66         100          57
RH                  79 67 61 79 93 97 97100 85 72 72 87 93 93 97100 79 63 57 72
WIND DIR             W  W  W  W  W  W  W  W  W NW  W NW  W SW SW SW  W  W  W  W
WIND SPD             3  3  3  2  2  2  2  2  2  2  2  1  1  1  1  2  2  3  3  2
CLOUDS              B2 B2 B1 B2 B2 B1 B2 B2 B2 B2 B2 B2 B1 SC B1 SC SC B1 B1 FW
CLOUDS(%)           73 74 63 80 71 64 74 78 81 75 72 73 57 46 55 34 28 57 57 16
VSBY                10 10 10 10  8  4  2  4 10 10 10 10 10  1  0  0 10 10 10 10
POP 12HR                     40          40          60          20          40
RAIN SHWRS          IS IS SC IS SC IS          SC SC IS IS IS IS IS IS SC SC   
TSTMS               IS IS SC IS SC IS          SC SC IS                SC SC   
MIX HGT              2  3  3 <1 <1 <1 <1 <1  2  3  3 <1 <1 <1 <1 <1  4  5  4 <1
T WIND DIR           W  W  W  W  W  W  W  W  W NW NW  N  W SW SW SW  W  W  W  W
T WIND SPD          16  8 12  8  4  5  5  6 10 12 11  6  1  2  2  4 19 17 17  9
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 44 32 46  4  2  3  3  7 31 50 45  3  1  1  1  4 90 99 88  4
MAX LVORI            4  3  1  4  6  8  8  8  4  3  3  5  8  8  8  9  3  1  1  3
STABILITY            B  B  B  F  F  F  F  B  B  B  B  F  F  F  F  A  A  B  B  G
CEILING                    1800  3400   200   700  2700  None  None  None  None
STA PRES                  27.34 27.36 27.36 27.39 27.38 27.39 27.36 27.35 27.27


Date          Mon 08/17/26Tue 08/18/26Wed 08/19/26Thu 08/20/26
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       68      88      65      84      60      87      64      87
TEMP          72 69 86 76 68 66 80 75 63 64 82 77 67 65 82 76
DEWPT         68 67 70 69 67 66 67 65 62 63 65 65 63 64 67 66
RH            87 93 59 79 97100 65 71 97 97 56 67 87 97 61 71
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC SC B2 B1 SC B1 SC FW FW SC SC FW FW SC SC
POP 12HR           10      60      30      20       5      10      10      20
RAIN SHWRS             NM SC    IS IS                      IS
TSTMS                  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