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

NCZ003-140800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
801 PM EDT Thu Aug 13 2026

Date           08/13/26      Fri 08/14/26            Sat 08/15/26            Sun
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                 70          89          71          89          71
TEMP                74 72 71 73 84 87 86 81 76 74 72 74 85 88 84 80 75 73 71 74
DEWPT               71 70 69 70 73 74 74 75 73 72 70 72 76 76 76 76 74 72 71 72
MIN/MAX RH                   98          63          95          66          98
RH                  90 93 93 90 70 65 68 82 90 93 93 93 75 68 77 88 97 97100 93
WIND DIR            NW NW NW NW  W  W  W  N NW NW NW NW NW NW  N  N  N  N  N  N
WIND SPD             3  2  3  2  2  3  3  0  1  1  1  1  1  2  2  0  0  0  0  0
CLOUDS              B2 SC SC B1 SC SC B1 SC SC SC SC SC SC B2 B2 B1 B2 B1 B1 SC
CLOUDS(%)           80 46 31 53 38 48 56 36 41 39 41 45 45 84 84 60 73 55 58 49
VSBY                10  9  8  9 10 10 10 10 10 10 10 10 10  6 10 10 10 10 10   
POP 12HR                      0          30          10          80          20
RAIN SHWRS                         IS IS             IS IS  O  O IS IS         
TSTMS                              IS IS                IS SC SC IS            
MIX HGT             <1 <1 <1 <1  3  4  4 <1 <1 <1 <1 <1  3  5  2 <1            
T WIND DIR          NW NW NW NW NW  W  W SW  W NW  N  N  N  W SE  E            
T WIND SPD           3  3  3  3 11  2  8  4  2  5  6  4  3  2  4  4            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  2  2  2  4 43 13 35  2  1  3  3  4 14 14 11  2            
MAX LVORI            7  7  7  6  3  3  3  5  7  6  6  6  3  3  4  6            
STABILITY            F  G  F  B  A  A  B  G  F  G  F  A  A  B  B  F            
CEILING             23900  None  None  None  None  None  None  2500  2200      
STA PRES            28.14 28.16 28.23 28.20 28.21 28.24 28.28 28.26            


Date           08/16Mon 08/17/26Tue 08/18/26Wed 08/19/26Thu 08/20/26
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       91      72      92      70      88      68      88      69      90
TEMP          90 83 75 75 90 84 72 73 86 81 71 71 86 82 72 71 88 82
DEWPT         74 74 70 69 71 71 69 69 71 71 68 68 70 71 68 67 70 70
RH            60 74 84 82 54 65 90 87 61 72 90 90 59 69 87 87 55 67
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 SC FW FW B1 SC FW SC B1 SC SC SC SC FW FW FW SC
POP 12HR           30      20      40      10      50      30      20      10      20
RAIN SHWRS       SC IS IS    SC          SC SC       IS          IS
TSTMS            SC IS       SC          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