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

WVZ043-120800-
RAWS 465401
37.53N  81.00W Elev. 2725 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                 64          81          66          81          67
TEMP          70 70 65 68 67 67 75 78 80 75 70 69 67 68 75 80 81 76 71 70 68 69
DEWPT         65 66 62 65 64 64 65 66 67 67 69 69 67 68 71 72 72 71 70 70 68 69
MIN/MAX RH                   95          64         100          73         100
RH            84 87 90 90 90 90 71 67 65 76 97100100100 87 77 74 85 97100100100
WIND DIR       W  W SW  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W SW  W  W
WIND SPD       6  6  6  8  8  5  6  8  6  4  4  4  4  4  6  8  5  3  3  3  4  5
WIND GUST                    18 18 19 17    14    14 14                   17 17
CLOUDS        SC OV OV OV B2 B2 B1 SC B1 SC SC B1 SC B1 B2 B2 B2 B2 B2 B2 B2 B2
CLOUDS(%)     38 96 95 91 79 72 64 46 53 47 43 51 46 56 79 73 73 71 71 73 70 77
VSBY          10  8  6  6  6  7 10 10 10 10 10 10 10  0  0 10 10 10            
POP 12HR                     80          30          50          60          60
RAIN SHWRS    SC  O SC SC SC IS IS IS SC IS IS IS    IS IS NM NM NM NM SC SC NM
TSTMS                           IS IS SC IS                SC SC SC IS IS IS IS
Obvis                  PF PF                                                   
MIX HGT        3 <1 <1 <1 <1  1  2  3  3 <1 <1 <1 <1  1  3  4  3 <1            
T WIND DIR    SE NE  S NW  W  W NW NW NW SW NW SW  W  S  W  W  W  W            
T WIND SPD     8  2  6 11 11 10 14 12 14  2  2 10  3  1 11 12 13 11            
DISPERSION       PR PR PR PR             VP VP VP VP             VP VP VP VP   
ADI           28  2  5 10 10 13 43 51 58  2  2  7  2  2 35 44 46  5            
MAX LVORI      3  3  5  5  5  4  3  1  1  4 10  8  9 10  4  3  3  5            
STABILITY      C  E  E  D  D  C  B  B  B  E  E  E  E  C  C  C  C  F            
CEILING              2500   100  None  None  None  None   600  1700  1700      
STA PRES            27.62 27.62 27.64 27.61 27.63 27.62 27.65 27.63            


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       81      65      81      66      84      68      82      65      80
TEMP          78 75 68 67 79 75 68 67 81 78 71 70 80 76 68 66 78 73
DEWPT         72 70 67 67 69 69 67 67 71 70 69 69 71 69 67 66 67 65
RH            82 84 97100 72 82 97100 72 76 93 97 74 79 97100 69 76
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B1 SC B1 B1 SC SC SC B1 B1 SC SC B1 B1 SC B1 SC
POP 12HR           80      30      30      10      30      30      40      30      10
RAIN SHWRS    NM  O SC SC SC SC       IS SC SC IS IS SC SC         
TSTMS         SC SC          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