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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
101 AM EDT Thu Aug 13 2026

VAZ018-140800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
101 AM EDT Thu Aug 13 2026

Date           08/12/26      Thu 08/13/26            Fri 08/14/26            Sat
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                 67          88          69          87          69
TEMP                   71 69 70 80 85 87 75 73 71 70 71 80 85 83 75 74 71 70 71
DEWPT                  67 66 67 70 69 69 71 70 69 68 69 71 71 71 71 71 70 68 69
MIN/MAX RH                   92          57          93          64          95
RH                     87 90 90 72 59 55 87 90 93 93 93 74 63 67 87 90 97 93 93
WIND DIR                W  W  W  W  W NW NW NW NW NW NW  W  W  W  W NW NW NW NW
WIND SPD                3  4  5  5  5  5  3  2  2  2  2  3  5  5  3  2  2  2  2
WIND GUST              13 14 17 17 16    13                                    
CLOUDS                 SC SC SC SC SC FW SC SC B1 SC B1 B2 B2 B2 B1 B1 B1 B1 B1
CLOUDS(%)              50 33 39 41 41 23 29 48 51 49 54 87 71 71 65 65 65 65 64
VSBY                    9  8  6 10 10 10 10 10  7  6  3  9 10 10 10 10 10 10   
POP 12HR                     20          20          40          60          50
RAIN SHWRS                            IS          IS SC SC NM NM SC SC SC SC IS
TSTMS                                 IS                   SC SC IS            
MIX HGT                <1 <1 <1  3  4  4 <1 <1 <1 <1 <1  3  4  3 <1            
T WIND DIR              W  W  W NW  W  W NW  W NW NW NW  S  W SW  S            
T WIND SPD              3  3  2 14  9  8  8  2  3  3  1  4  9 11  8            
DISPERSION             VP VP             VP VP VP VP             VP VP VP VP   
ADI                     2  2  3 49 52 40  4  1  2  2  1 15 36 40  4            
MAX LVORI               6  6  6  3  1  1  6  7  7  7  7  3  1  3  6            
STABILITY               E  E  B  B  A  A  F  F  F  F  B  B  C  C  F            
CEILING                    None  None  None  None  None  3200  2900 11700      
STA PRES                  27.73 27.77 27.74 27.81 27.84 27.88 27.82            


Date           08/15Sun 08/16/26Mon 08/17/26Tue 08/18/26Wed 08/19/26
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       85      69      88      71      88      68      86      66      87
TEMP          84 76 71 70 86 79 74 72 86 77 71 70 84 75 68 68 85 75
DEWPT         73 72 69 69 72 72 69 69 72 71 68 68 70 68 65 66 69 69
RH            70 87 93 97 63 79 84 90 63 82 90 93 63 79 90 93 59 82
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B1 B1 SC B1 FW FW SC SC SC SC SC SC SC SC SC SC
POP 12HR           60      30      30      10      20      20      20      20      20
RAIN SHWRS    IS NM SC IS IS SC          IS IS       IS IS       IS
TSTMS            SC 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