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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
931 PM EDT Sun Aug 16 2026

NCZ003-170800-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
931 PM EDT Sun Aug 16 2026

Date           08/16/26      Mon 08/17/26            Tue 08/18/26            Wed
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          89          71          87          67
TEMP                76 74 73 73 83 87 87 81 76 74 72 72 81 84 86 79 74 70 68 69
DEWPT               72 71 69 70 72 71 71 71 70 69 69 69 70 69 68 68 66 65 63 65
MIN/MAX RH                   94          57          91          54          90
RH                  87 90 87 90 70 59 59 72 82 84 90 90 69 61 55 69 76 84 84 87
WIND DIR            SW SW  W  W  W  W  W  W  W NW NW NW NW NW NW NW NW  N  N  N
WIND SPD             4  4  4  4  4  5  4  4  4  4  4  4  4  4  3  3  4  4  4  4
CLOUDS              FW FW FW FW FW SC SC B2 B2 SC SC SC FW FW FW SC SC FW FW FW
CLOUDS(%)           16 11 25 22 18 34 40 75 78 48 28 26 16 19 22 31 29 10 15  9
VSBY                10  9  5  9 10 10 10 10  9 10 10 10 10 10 10 10 10 10 10   
POP 12HR                     10          20          30           5           0
RAIN SHWRS                               IS IS                                 
TSTMS                                    IS IS                                 
Obvis                      F                                                   
MIX HGT             <1 <1 <1 <1  4  6  5 <1 <1 <1 <1 <1  3  6  6 <1            
T WIND DIR          SW NW  W  W NW NW  W NW NW  W NW NW NW  W NW NW            
T WIND SPD           3  3  2  2  9 10 11 12  5  1  2  6  9  6  8  6            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  2  2  1  2 41 73 73  6  4  1  1  7 40 49 55  3            
MAX LVORI            7  7  7  6  1  1  1  3  5  6  7  5  1  1  1  3            
STABILITY            F  F  F  A  A  A  A  F  E  E  F  A  A  A  A  G            
CEILING                    None  None  None  7600  None  None  None  None      
STA PRES                  28.91 28.92 28.86 28.89 28.90 28.92 28.86            


Date           08/19Thu 08/20/26Fri 08/21/26Sat 08/22/26Sun 08/23/26
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       89      70      90      68      83      66      81      65      83
TEMP          86 83 73 71 88 81 71 69 80 75 68 68 78 74 67 67 81 76
DEWPT         66 67 66 67 68 68 68 67 69 68 66 67 68 67 65 65 65 64
RH            51 59 79 87 52 65 90 93 69 79 93 97 71 79 93 93 58 66
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW FW FW B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 SC SC SC
POP 12HR            0       5      40      40      60      60      50      20      20
RAIN SHWRS                   SC SC    IS NM NM SC IS SC IS IS    IS
TSTMS                        SC SC       SC IS       SC 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