EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
831 PM EDT Tue Aug 4 2026

NCZ003-050800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
831 PM EDT Tue Aug 4 2026

Date           08/04/26      Wed 08/05/26            Thu 08/06/26            Fri
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          80          67          83          67
TEMP                71 71 70 70 74 78 78 74 71 70 69 70 77 81 79 75 71 69 67 70
DEWPT               70 70 70 70 74 74 74 74 71 70 69 70 74 74 74 74 71 69 67 70
MIN/MAX RH                  100          84         100          79         100
RH                  97 97100100100 88 88100100100100100 90 79 85 97100100100100
WIND DIR             E NE NE  E SE  S  S  S  S  E  N  N SW  S  S  S  N  N  N  N
WIND SPD             2  1  1  2  2  4  4  3  2  1  0  0  3  5  4  1  0  0  0  0
CLOUDS              B1 B1 B2 B2 B2 B1 B1 B1 B1 SC B1 B2 B1 B2 B2 SC B1 SC SC SC
CLOUDS(%)           62 66 75 71 76 55 62 67 56 35 64 76 53 87 87 48 61 48 47 44
VSBY                 8  7  5  5 10 10 10 10 10  9 10                           
POP 12HR                     60          50          40          80          20
RAIN SHWRS          SC SC SC IS IS    SC SC                 O  O IS IS       IS
TSTMS               SC          IS    SC SC                SC SC IS            
Obvis                     PF PF                                                
MIX HGT             <1 <1 <1  1  2  3  3 <1 <1 <1 <1 <1  2  3  2 <1            
T WIND DIR           E  E SE  S  S  S  S  S  S  S SW SW SW SW SW SW            
T WIND SPD           4  3  2  2  3  8  9 10  6  4  5  6  6 10 12 11            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  2  2  1  3  8 25 31  5  3  2  3  7 18 36 34  5            
MAX LVORI            9 10 10  9  8  4  4  9  9  9  9  8  4  3  4  7            
STABILITY            F  F  F  B  B  C  C  F  F  F  F  B  B  C  C  F            
CEILING              4100   600   600  1900  None  1300   700  2800  None      
STA PRES            28.19 28.21 28.24 28.23 28.27 28.29 28.33 28.31            


Date           08/07Sat 08/08/26Sun 08/09/26Mon 08/10/26Tue 08/11/26
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       83      66      84      66      85      67      87      68      88
TEMP          82 78 69 69 81 77 68 69 82 78 69 70 84 80 71 71 86 80
DEWPT         74 74 69 69 74 74 68 69 73 74 68 69 72 74 69 69 73 74
RH            77 88100100 79 90100100 74 88 97 97 67 82 93 93 65 82
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B2 SC SC SC B2 SC SC SC B1 SC FW SC SC SC SC SC SC
POP 12HR           70      20      80      20      40      10      20       5      20
RAIN SHWRS    IS NM IS    IS  O IS       SC          IS          IS
TSTMS         IS SC IS    IS 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