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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 PM EDT Wed Aug 12 2026

NCZ003-130800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
731 PM EDT Wed Aug 12 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                 70          91          70          90          71
TEMP             81 76 74 72 73 82 87 89 81 75 73 71 73 84 88 88 81 76 73 72 73
DEWPT            70 71 69 68 69 72 70 72 74 72 70 69 70 74 73 74 74 73 72 71 72
MIN/MAX RH                   92          56          94          61          98
RH               69 85 84 87 87 72 57 57 79 90 90 93 90 72 61 63 79 90 97 97 97
WIND DIR         NW NW NW NW  W NW  W NW NW NW NW NW NW NW  W NW  N NW NW NW  N
WIND SPD          1  2  1  2  3  4  3  3  1  1  1  1  1  2  3  3  0  1  1  1  1
CLOUDS           SC SC SC SC SC B1 SC SC B1 B1 FW SC SC B1 B1 B1 SC SC B1 B1 B1
CLOUDS(%)        31 43 36 38 38 55 48 45 59 64 18 35 43 55 67 67 44 43 51 51 51
VSBY             10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10   
POP 12HR                     20          20          10          50          30
RAIN SHWRS          IS             IS IS             IS IS SC SC IS IS SC SC SC
TSTMS                              IS IS                   SC SC IS            
MIX HGT          <1 <1 <1 <1 <1  3  5  3 <1 <1 <1 <1 <1  3  5  4 <1            
T WIND DIR        W  N NW NW NW  W  W  W SW NW NW NW NW SW  W  W SW            
T WIND SPD        1  1  3  3  4 11  8  8  3  3  6  4  5  2  8  8  4            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI               1  1  2  2  4 37 47 36  2  2  3  2  6  9 46 39  2            
MAX LVORI         4  6  6  6  5  3  1  1  5  7  6  6  6  3  1  1  5            
STABILITY         G  G  G  G  A  C  A  A  F  F  G  G  A  B  B  B  F            
CEILING              None  None  None  None  None  None  3800  3000  None      
STA PRES            28.06 28.06 28.10 28.07 28.13 28.15 28.20 28.17            


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       88      70      89      71      91      70      89      68      88
TEMP          87 81 72 72 87 82 74 73 90 83 72 73 87 80 70 70 85 80
DEWPT         75 73 71 71 72 73 71 71 70 71 70 70 70 70 68 68 69 70
RH            68 77 97 97 61 74 90 93 52 67 93 90 57 72 93 93 59 72
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B2 B1 B1 B1 B1 SC FW FW FW SC SC SC B1 SC SC SC B1
POP 12HR           70      40      40      10      10      10      30      20      30
RAIN SHWRS    SC NM SC    IS SC                      SC IS       SC
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