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

NCZ003-152000-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
801 AM 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                 82          60          86          62          89
TEMP                69 77 81 74 67 63 61 61 74 82 85 77 69 65 63 64 78 86 88 79
DEWPT               56 60 63 63 61 60 58 58 61 64 64 64 62 60 59 59 61 62 63 63
MAX/MIN RH                   53          92          49          88          42
RH                  63 56 54 69 81 90 90 90 64 55 50 64 78 84 87 84 56 45 43 58
WIND DIR             E  E  E  E  E  E NE  E  S SE SE  E SE  W NW NW  S  S  S  S
WIND SPD             4  3  2  1  3  1  1  2  2  3  3  1  1  1  1  2  2  3  2  1
CLOUDS              B1 B2 SC SC SC SC SC CL FW FW FW SC FW FW FW CL CL FW FW SC
CLOUDS(%)           69 73 40 33 30 43 33  3  6 16  6 28  9  8 13  4  5  8 13 26
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10  1  0 10 10 10 10
POP 12HR                      0           0           0           0           5
MIX HGT              2  3  4 <1 <1 <1 <1 <1  3  4  4 <1 <1 <1 <1 <1  2  4  4 <1
T WIND DIR           E  E  E  E  N  N NW NW SW SW  E SE  S SW SW  S SW  S  S SW
T WIND SPD          10  4  3  3  1  2  1  1  3  1  1  2  8  6  3  2  3  4  4  5
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 15 12 10  3  2  0  1  1  8 11 12  1                        
MAX LVORI            2  2  2  3  4  6  5  6  3  2  2  3                        
STABILITY            D  C  B  G  G  G  G  B  B  B  B  G                        
CEILING              1800  None  None  None  None  None  None  None  None  None
STA PRES            29.28 29.25 29.27 29.28 29.31 29.26                        


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       66      91      67      85      67      88      66      85
TEMP          68 67 89 80 70 67 81 78 69 68 84 79 70 67 81 75
DEWPT         61 61 66 69 67 65 67 67 66 66 68 69 67 67 68 68
RH            78 81 47 69 90 93 63 69 90 93 59 72 90100 65 79
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW B1 B1 SC SC SC SC SC SC SC B1 SC SC B1
POP 12HR            0      40      40      20      10      20      20      50
RAIN SHWRS             SC SC       IS          IS IS IS    SC
TSTMS                  SC IS       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