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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1031 PM EDT Sun Sep 13 2026

VAZ024-140800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
1031 PM EDT Sun Sep 13 2026

Date           09/13/26      Mon 09/14/26            Tue 09/15/26            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                 66          87          54          83          55
TEMP                71 68 67 66 79 85 86 72 64 59 55 55 71 80 82 72 63 58 55 57
DEWPT               67 66 65 66 66 62 57 58 55 52 50 50 53 58 59 59 58 56 54 55
MIN/MAX RH                   97          37          85          45          96
RH                  87 93 93100 64 46 37 61 73 78 83 83 53 47 46 64 84 93 96 93
WIND DIR             W NW NW  N  N  N  N NE NE NE  N  N SE SE SE SE  N  N  N  N
WIND SPD             1  1  1  2  3  4  4  3  2  1  0  0  2  3  3  1  0  0  0  0
CLOUDS              CL FW FW FW SC FW FW FW SC FW FW FW FW FW FW FW FW FW CL CL
CLOUDS(%)            3 23 16 13 26 20 11 20 30 18 15 11 16 12  9 11 15 11  2  3
VSBY                 4  3  2  2  7 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      5           0           0           0           0
Obvis                  PF PF PF                                                
MIX HGT             <1 <1 <1 <1  4  6  5 <1 <1 <1 <1 <1  3  4  4 <1            
T WIND DIR          NW  W NW  N  N  N  N NE NE NE NE  N  E  S  S SE            
T WIND SPD           6  3  3  5 13 10  9  3  5  4  3  2  3  2  1  3            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  3  2  2  6 67 67 50  2  3  2  2  2 13 10  5  2            
MAX LVORI            6  8 10  8  1  1  1  3  3  4  5  5  2  2  2  3            
STABILITY            G  G  G  B  B  B  B  G  G  G  G  A  B  B  B  G            
CEILING                    None  None  None  None  None  None  None  None      
STA PRES                  28.52 28.62 28.63 28.72 28.77 28.85 28.79            


Date           09/16Thu 09/17/26Fri 09/18/26Sat 09/19/26Sun 09/20/26
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      60      92      63      90      64      84      63      87
TEMP          87 77 65 62 90 79 67 65 89 78 68 65 82 74 67 65 84 76
DEWPT         64 64 61 59 65 65 62 61 67 69 66 64 67 66 65 65 68 67
RH            46 64 87 90 44 62 84 87 48 74 93 97 61 76 93100 59 74
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    CL CL FW FW CL SC SC FW FW B1 B1 SC SC SC SC SC SC B1
POP 12HR            0       0      20       5      50      20      20      10      40
RAIN SHWRS                   IS          SC IS       IS       IS SC
TSTMS                        IS                      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