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

NCZ003-140800-
RAWS 310302
36.35N  80.48W Elev. 1076 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                 71          91          71          90          71
TEMP                   75 73 75 83 88 90 81 76 74 72 73 82 87 87 80 76 74 73 72
DEWPT                  69 68 69 71 69 70 72 72 71 70 70 72 72 73 73 72 72 71 71
MIN/MAX RH                   87          53          93          60          98
RH                     82 84 82 67 54 52 74 87 90 93 90 72 61 63 79 87 93 93 97
WIND DIR               NW NW  W NW  W  W NW  N  N NE NE  N  W  W  W NW  N  N NE
WIND SPD                3  4  3  4  4  4  2  3  3  3  3  3  3  3  2  3  3  3  3
CLOUDS                 SC FW B1 B1 SC SC SC SC SC SC SC B2 B1 B1 B1 B1 B1 SC B1
CLOUDS(%)              36 25 58 52 43 39 41 45 50 43 45 70 57 57 53 52 52 50 54
VSBY                   10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10   
POP 12HR                      5          20          10          40          30
RAIN SHWRS                            IS                   SC SC SC SC         
TSTMS                                 IS                   SC SC IS            
MIX HGT                <1 <1 <1  3  5  4 <1 <1 <1 <1 <1  3  5  4 <1            
T WIND DIR             NW NW NW NW  W  W SW SW NW NW NW  W  W  W SW            
T WIND SPD              3  2  1  8  9 10  4  3  3  2  2  1  5  5  8            
DISPERSION             VP VP             VP VP VP VP             VP VP VP VP   
ADI                     2  1  1 30 56 48  2  2  2  1  2  4 33 29  4            
MAX LVORI               5  5  5  3  1  1  4  6  7  7  6  3  1  2  4            
STABILITY               G  G  A  A  A  A  F  F  G  G  A  B  B  B  F            
CEILING                    None  None  None  None  None  3700  None  None      
STA PRES                  28.86 28.91 28.87 28.93 28.96 29.01 28.96            


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       87      70      89      72      92      71      89      69      88
TEMP          86 81 73 71 87 83 75 73 90 83 74 72 86 80 72 71 85 80
DEWPT         73 71 71 71 71 71 72 71 70 69 70 70 69 68 69 68 68 68
RH            65 72 93100 59 67 90 93 52 63 87 93 57 67 90 90 57 67
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B1 SC SC B1 SC FW FW SC SC SC SC B1 SC SC SC SC
POP 12HR           50      40      30      10      10      10      30      20      20
RAIN SHWRS       SC SC       SC                      SC IS       IS
TSTMS            SC SC       SC                      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