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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
101 PM EDT Tue Sep 15 2026

VAZ024-152000-
RAWS 441631
37.63N  79.51W Elev. 865 ft
101 PM EDT Tue Sep 15 2026

Date             Tue 09/15/26            Wed 09/16/26            Thu 09/17/26
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                 81          56          87          62          92
TEMP                   78 80 70 64 60 57 61 76 85 86 75 69 67 64 65 85 92 89 78
DEWPT                  57 59 59 57 57 56 57 62 63 63 63 62 61 60 61 66 67 68 69
MAX/MIN RH                   46          99          46          92          43
RH                     48 49 68 78 90 96 87 62 48 46 66 78 81 87 87 53 44 50 74
WIND DIR               SE SE SE  N  N  N  N  N  E SE SE  N  N  N  N  N  W  W  N
WIND SPD                3  3  1  0  0  0  0  0  3  3  1  0  0  0  0  0  2  2  0
CLOUDS                 FW FW FW FW FW FW CL FW FW FW FW FW CL CL CL FW SC SC SC
CLOUDS(%)              10 23 12 17 16 12  3  9 18  6 11 10  4  0  0 13 48 48 48
VSBY                   10 10 10 10 10  9  7  7 10 10 10 10 10  5  3 10 10 10 10
POP 12HR                      0           0           0           0          20
RAIN SHWRS                                                             IS IS   
TSTMS                                                                  IS IS   
MIX HGT                 4  4 <1 <1 <1 <1 <1  2  3  2 <1 <1 <1 <1 <1  2  5  5 <1
T WIND DIR              S  S SE SE NW NW NW  W  E SE  S  S  W NW NW  W  W  W  W
T WIND SPD              5  4  3  2  2  2  1  3  2  4  3  2  3  3  2  3  9 10  3
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                    27 21  2  1  1  1  1  8 10 14  2  1  2  2  2 10 55 56  2
MAX LVORI               2  2  3  5  7  8  5  2  2  2  3  4  5  6  6  2  1  1  4
STABILITY               B  B  G  G  G  G  A  A  B  B  G  G  G  G  A  A  B  B  F
CEILING                    None  None  None  None  None  None  None  None  None
STA PRES                  28.79 28.82 28.82 28.85 28.79 28.80 28.77 28.75 28.65


Date          Fri 09/18/26Sat 09/19/26Sun 09/20/26Mon 09/21/26
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       68      91      64      83      63      89      65      86
TEMP          70 70 90 75 69 64 80 75 66 65 86 78 69 66 86 74
DEWPT         68 68 70 70 66 61 66 65 64 64 70 69 67 66 70 69
RH            93 93 52 84 90 90 62 71 93 97 59 74 93100 59 84
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC B2 B2 B2 B2 B1 B1 B1 SC B1 B1 SC B1 B1
POP 12HR            0      60      30      10      10      30      10      50
RAIN SHWRS             NM SC                   SC          SC
TSTMS                  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