EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EDT Tue Aug 11 2026

VAZ018-120800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
431 PM EDT Tue Aug 11 2026

Date           08/11/26      Wed 08/12/26            Thu 08/13/26            Fri
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                 66          86          68          87          70
TEMP          71 70 66 70 69 70 78 83 85 75 73 71 70 71 81 86 85 76 74 72 70 72
DEWPT         65 65 63 65 64 65 67 67 68 67 69 68 67 68 72 72 72 71 70 69 68 69
MIN/MAX RH                   90          57          94          62          94
RH            81 84 90 84 84 84 69 59 57 76 87 90 90 90 74 63 65 85 87 90 93 90
WIND DIR      NW  W  W  W  W NW  W NW NW NW  W  W  W  W  W  W  W  W  W  W  W  W
WIND SPD       9  6  9 10 11  8  6  6  6  4  4  4  4  5  6  6  6  3  3  4  5  5
WIND GUST                    25 20 19 18 16 17 18 18 18 18 17 17 13 13 14 18 19
CLOUDS        OV B2 OV B2 B2 B1 B1 B1 SC SC SC SC FW SC B1 B1 B1 B1 B1 B1 B1 B1
CLOUDS(%)    100 86 95 86 71 69 52 55 33 41 31 49 23 38 57 68 65 61 61 64 62 65
VSBY          10 10  7  7  8  6  9 10 10 10 10 10 10  5 10 10 10 10            
POP 12HR                     60          20          30          50          40
RAIN SHWRS     O SC SC SC IS       IS IS                   SC SC SC SC SC SC SC
TSTMS                                 IS                   SC SC IS            
MIX HGT        3 <1 <1 <1 <1  1  2  4  3 <1 <1 <1 <1 <1  3  5  2 <1            
T WIND DIR     S  N  E  N NW NW NW NW NW  W  W  W NW NW  W  W  W  W            
T WIND SPD     4  3  2  4 13 13 16 12 13  9  9  6  5  5  6  9 12 10            
DISPERSION       PR PR FR FR             VP VP VP VP             VP VP VP PR   
ADI           16  2  2  4 12 18 46 55 58  6  4  5  3  7 20 37 35  5            
MAX LVORI      2  3  5  5  4  4  1  1  1  4  5  6  6  6  3  1  3  5            
STABILITY      C  E  D  D  D  C  C  B  B  E  F  E  F  A  C  C  C  F            
CEILING              2500   600  None  None  None  None  2700  2800  3100      
STA PRES            27.73 27.72 27.76 27.72 27.74 27.74 27.78 27.75            


Date           08/14Sat 08/15/26Sun 08/16/26Mon 08/17/26Tue 08/18/26
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       86      67      83      67      88      70      88      67      85
TEMP          85 77 71 68 81 75 70 69 85 79 73 72 85 77 70 69 83 75
DEWPT         73 71 68 66 69 69 66 66 71 71 69 68 71 69 67 66 67 66
RH            67 82 90 93 67 82 87 90 63 77 87 87 63 76 90 90 59 74
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC FW SC SC SC
POP 12HR           60      30      30      20      30      20      20      10      10
RAIN SHWRS    SC NM SC IS IS SC IS    IS SC IS IS    IS            
TSTMS         IS SC          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