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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1001 AM EDT Sun Aug 16 2026

VAZ012-162000-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
1001 AM EDT Sun Aug 16 2026

Date             Sun 08/16/26            Mon 08/17/26            Tue 08/18/26
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                 83          68          86          65          84
TEMP                77 82 83 79 72 71 69 69 76 82 81 73 68 67 65 66 74 80 83 75
DEWPT               72 69 68 69 67 66 66 67 70 70 70 68 67 66 65 66 67 65 65 63
MAX/MIN RH                   60          96          61         100          54
RH                  85 65 61 72 84 84 90 93 82 67 69 84 97 97100100 79 60 55 66
WIND DIR             W  W  W  W  W  W  W  W  W  W  W NW  W NW NW NW NW NW NW NW
WIND SPD             2  3  3  3  4  4  3  3  3  4  3  2  2  1  1  1  2  2  2  1
CLOUDS              SC B1 SC SC SC B1 SC B1 B1 SC B1 B1 B1 B1 B1 B1 SC SC FW FW
CLOUDS(%)           34 54 31 27 46 57 49 62 60 40 65 64 67 52 58 53 49 30 16  6
VSBY                10  7 10 10  7  2  2  2 10  7 10  3  0  0  5 10 10 10 10 10
POP 12HR                     20          40          50          20           5
RAIN SHWRS             IS       IS SC IS       IS SC IS IS                     
TSTMS                  IS       IS             IS SC IS                        
Obvis                              PF PF PF                                    
MIX HGT              3  5  4 <1 <1 <1 <1  1  3  4  3 <1 <1 <1 <1 <1  3  5  5 <1
T WIND DIR           W  W  W SW SW  W  W  W  W  W  W  W  W NW NW  N  N  W  W NW
T WIND SPD          12 16 11  5  9  4  6 10 11 20 10  5  3  3  6  5  5  9 10 10
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 43 86 61  3  6  3  3 14 40110 38  3  2  2  3  8 23 53 62  5
MAX LVORI            3  1  1  3  4  6  6  5  3  1  3  5  7  8  9  8  3  1  1  3
STABILITY            A  B  A  G  E  E  F  B  B  A  B  F  F  F  F  B  A  A  A  G
CEILING                    None  None  1000  None  2500   100  None  None  None
STA PRES                  27.28 27.24 27.23 27.24 27.20 27.20 27.20 27.24 27.22


Date          Wed 08/19/26Thu 08/20/26Fri 08/21/26Sat 08/22/26
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       59      88      64      84      60      81      60      80
TEMP          62 63 83 77 66 66 80 73 63 63 77 72 62 63 76 71
DEWPT         59 60 63 63 61 63 66 65 62 62 65 64 62 62 64 62
RH            90 90 51 62 84 90 62 76 97 97 67 76100 97 66 73
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR            0       0      10      50      40      50      40      40
RAIN SHWRS                      IS SC SC SC SC SC SC IS IS SC
TSTMS                              SC SC IS IS SC IS       SC

$$


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