EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Mon Aug 10 2026

VAZ018-110800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
801 PM EDT Mon Aug 10 2026

Date           08/10/26      Tue 08/11/26            Wed 08/12/26            Thu
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                 68          87          69          86          68
TEMP                70 69 71 72 80 84 86 79 75 72 71 72 79 84 85 78 72 70 69 70
DEWPT               65 65 66 66 69 69 69 69 68 67 67 68 71 71 71 70 68 68 67 68
MIN/MAX RH                   95          58          92          61          95
RH                  84 87 84 81 69 61 57 72 79 84 87 87 77 65 63 76 87 93 93 93
WIND DIR            NW NW NW  W NW NW  W  W  W  W  W  W  W  W NW  W  W NW  W  W
WIND SPD            12  6  5  6 10  8  8  5  6  6  9  9  8  6  6  4  4  3  4  5
WIND GUST              21 25 26          19 21 25 28 28 23 20 19 16 16 14 17 18
CLOUDS              B1 B2 B1 B2 SC B1 SC B1 B1 B1 B2 B2 B1 B1 SC B1 B1 B1 B1 B1
CLOUDS(%)           67 72 63 74 42 59 44 53 61 51 80 78 62 57 43 66 66 66 62 60
VSBY                10  9  9  7 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                     20          30          40          20          50
RAIN SHWRS             IS IS IS    IS    IS SC SC          IS IS SC SC IS IS   
TSTMS                              IS    IS IS             IS IS SC IS         
MIX HGT             <1 <1 <1 <1  3  4  4 <1 <1 <1 <1  1  2  4  4  1            
T WIND DIR           N NW  W  W NW  W  W  W SW  W  W NW NW NW  W SW            
T WIND SPD          26 14 11 17 20 14 12  8  4  8 16 12 18 20 10  6            
DISPERSION          FR PR PR             PR PR PR PR             VP VP VP VP   
ADI                 24 13 10 13 66 56 59  5  3  5 14 20 53 80 51  5            
MAX LVORI            3  4  4  4  3  1  1  3  4  5  4  4  3  1  1  4            
STABILITY            D  D  D  C  B  C  B  E  E  E  D  C  C  C  B  E            
CEILING              1400  8600  None  None  None  7500  5700  None 16000      
STA PRES            27.94 27.83 27.82 27.78 27.75 27.73 27.75 27.69            


Date           08/13Fri 08/14/26Sat 08/15/26Sun 08/16/26Mon 08/17/26
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       87      70      83      67      84      68      88      70      86
TEMP          85 79 72 71 82 75 70 69 82 75 70 70 86 78 72 71 84 76
DEWPT         71 70 69 69 72 70 68 66 70 70 67 67 71 70 68 68 70 69
RH            63 74 90 93 72 84 93 90 67 84 90 90 61 76 87 90 63 79
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 SC B1 B1 SC SC B1
POP 12HR           20      20      40      30      50      20      30      30      30
RAIN SHWRS       IS IS IS SC SC SC IS SC SC IS       SC SC    IS SC
TSTMS            IS IS    IS SC          SC IS       SC          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