EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
901 PM EDT Tue Aug 11 2026

NCZ001-120800-
RAWS 310142
36.40N  81.46W Elev. 4608 ft
901 PM EDT Tue Aug 11 2026

Date           08/11/26      Wed 08/12/26            Thu 08/13/26            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                 63          76          65          77          66
TEMP                64 66 66 65 67 74 73 68 67 67 66 65 71 77 74 69 68 67 67 66
DEWPT               61 61 60 60 61 62 61 63 64 64 64 64 65 65 65 65 65 64 64 64
MIN/MAX RH                   88          63          96          67          94
RH                  90 84 81 84 81 66 66 84 90 90 93 97 81 67 74 87 90 90 90 93
WIND DIR            NW  W  W  W NW NW NW NW  W  W  W  W  W  W  W  W  W  W  W  W
WIND SPD            16 21 24 23 16 11 10 10 13 17 18 17 12 10  9  9 11 12 16 18
CLOUDS              B2 B2 B1 B1 B1 SC SC SC B2 SC FW SC B1 B1 B1 B1 SC SC SC B1
CLOUDS(%)           81 75 65 53 62 43 48 44 71 45 16 39 57 65 54 65 39 36 38 51
VSBY                 6  7  7  6 10 10 10 10 10  6  6  5 10 10 10 10            
POP 12HR                     70          20          30          20           5
RAIN SHWRS          NM SC IS          IS    IS             IS IS               
TSTMS               SC                IS                   IS IS               
MIX HGT             <1 <1 <1 <1  2  3  3 <1 <1 <1 <1 <1  2  3  4 <1            
T WIND DIR           W NW NW NW NW NW NW  W  W  W  W  W  W  W  W  W            
T WIND SPD          12 35 12 24 16 13 16  4  4  5  9  9 16 14 13 11            
DISPERSION          GD GD GD             FR FR GD GD             PR FR FR GD   
ADI                 11 32 11 27 30 43 52  4  4  5  8  7 32 52 49 10            
MAX LVORI            4  3  4  3  3  1  1  5  6  6  6  6  3  1  3  5            
STABILITY            D  D  D  C  D  C  C  D  D  D  D  C  D  C  C  D            
CEILING                    4900  7500  None  1900  None  7600  3000  None      
STA PRES                  26.69 26.71 26.69 26.70 26.71 26.74 26.73            


Date           08/14Sat 08/15/26Sun 08/16/26Mon 08/17/26Tue 08/18/26
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       78      65      76      64      78      66      79      63      76
TEMP          77 71 67 65 73 69 66 65 76 71 68 67 76 70 66 63 74 69
DEWPT         66 65 65 64 65 65 63 63 65 64 63 63 63 63 63 62 62 61
RH            69 81 93 97 76 87 90 93 69 79 84 87 64 78 90 97 66 76
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B1 SC B1 B2 B1 SC B1 SC SC SC SC B1 SC SC SC SC
POP 12HR           40      20      70      20      20      10      30      20      20
RAIN SHWRS       SC IS    SC NM IS       IS          SC IS       IS
TSTMS            SC IS       SC IS       IS          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