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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EDT Sun Sep 20 2026

VAZ012-202000-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
131 PM EDT Sun Sep 20 2026

Date             Sun 09/20/26            Mon 09/21/26            Tue 09/22/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 83          62          83          59          75
TEMP                   80 82 74 69 67 65 65 75 80 81 68 64 63 62 60 68 73 70 64
DEWPT                  67 65 64 64 62 61 62 67 66 66 67 64 63 61 60 67 67 67 64
MAX/MIN RH                   58          96          59         100          81
RH                     65 56 71 84 84 87 90 76 62 60 97100100 97100 97 81 90100
WIND DIR                W  W  W  W  W  W  W  W SW SW SE SE SE SE SE SE SE  E  E
WIND SPD                4  2  1  1  1  2  1  1  1  1  1  1  1  1  1  1  1  1  2
CLOUDS                 B2 SC SC SC SC FW SC SC B2 B2 B2 B2 B2 B2 B2 B2 OV OV B2
CLOUDS(%)              70 38 31 44 33 25 26 33 73 77 84 84 77 76 77 81 94 94 86
VSBY                   10 10 10 10  7  4  5 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     40          10          80          80          90
RAIN SHWRS             SC IS                   NM NM  O  O SC SC NM NM  O  O  O
TSTMS                  SC IS                   SC SC SC IS          IS SC SC   
Obvis                                 PF PF                                    
MIX HGT                 4  2 <1 <1 <1 <1 <1  2  5  2 <1 <1 <1 <1 <1  1  2  1 <1
T WIND DIR             NW  W  S  S SW  W SW  W  W SW SW  E SE SE  E SE  E  E  E
T WIND SPD             10  6  5  4  4  3  4 11  8  3  5  4  6  4  3  3  5  6  9
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                    28 21  3  2  2  2  4 35 33  8  3  2  3  2  3  6 16 12  4
MAX LVORI               2  2  3  5  5  6  6  3  1  3  6  9  9  9  9  6  3  5  9
STABILITY               D  B  G  F  G  G  A  A  C  C  F  F  F  F  C  C  C  C  F
CEILING                    None  None  None  None  2400  3200   100   100   100
STA PRES                  27.21 27.22 27.22 27.25 27.22 27.28 27.27 27.32 27.33


Date          Wed 09/23/26Thu 09/24/26Fri 09/25/26Sat 09/26/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       54      66      49      66      46      68      45      69
TEMP          59 55 62 59 53 51 61 57 50 48 64 57 48 46 64 56
DEWPT         59 55 61 58 53 51 60 56 50 48 56 54 48 46 52 51
RH           100100 97 96100100 97 96100100 75 90100100 65 83
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC SC
POP 12HR           80      70      60      40      10      10       5       5
RAIN SHWRS     O NM NM NM NM SC SC IS                        
TSTMS                  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