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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Wed Aug 19 2026

NCZ003-192000-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
801 AM EDT Wed Aug 19 2026

Date             Wed 08/19/26            Thu 08/20/26            Fri 08/21/26
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                 89          69          89          67          83
TEMP                81 86 88 80 74 71 70 71 82 86 85 78 72 69 67 69 77 81 78 73
DEWPT               68 65 66 68 66 65 63 65 69 69 71 71 69 68 67 68 72 72 73 71
MAX/MIN RH                   47          82          57          98          73
RH                  65 50 48 67 76 81 78 81 65 57 63 79 90 97100 97 85 74 85 93
WIND DIR            NW NW NW SW NW  W SW  W  W  W  W NW NW  N  N  N  E SE SE  N
WIND SPD             2  2  3  1  1  2  1  2  3  4  5  2  2  0  0  0  2  3  2  0
CLOUDS              FW FW FW FW SC SC FW SC SC B2 B1 B1 B1 B1 B1 B1 B2 OV OV B2
CLOUDS(%)            9 18  9  8 29 29 20 37 47 71 59 55 55 69 69 63 78 93 93 77
VSBY                10 10 10 10 10 10 10 10 10 10 10  7  7  6  6  6  6  3  3  6
POP 12HR                      0           5          40          50          90
RAIN SHWRS                                           SC SC SC SC SC SC  O  O NM
TSTMS                                                SC IS IS IS    IS SC SC SC
MIX HGT              4  5  5 <1 <1 <1 <1 <1  3  4  4 <1 <1 <1 <1 <1  2  3  2 <1
T WIND DIR           N NW  W SW  W  W SW SW  W SW SW SW  N NE  E NE NE NE SE  E
T WIND SPD           4  5  5  1  1  1  2  3 16 14 13  2  2  5  9  9  6  4 11  8
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 22 38 36  1  1  1  1  3 56 71 51  1  1  3  4 10 18 16 27  4
MAX LVORI            2  1  1  4  4  4  5  5  1  1  1  4  7  8  9  6  4  3  4  8
STABILITY            A  A  A  G  G  G  G  A  A  B  C  F  F  F  F  B  B  B  B  F
CEILING              None  None  None  None  8100  7600  4000  2100   900  2100
STA PRES            28.14 28.11 28.11 28.10 28.11 28.07 28.11 28.16 28.20 28.16


Date          Sat 08/22/26Sun 08/23/26Mon 08/24/26Tue 08/25/26
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       65      84      63      85      62      84      63      85
TEMP          67 68 83 77 67 66 83 77 64 64 81 76 65 65 82 78
DEWPT         67 68 70 69 65 64 65 63 61 61 62 63 60 61 66 66
RH           100100 65 76 93 93 55 62 90 90 53 64 84 87 58 67
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 SC B1 SC SC SC FW FW FW FW FW FW SC SC SC
POP 12HR           70      40      10      10       5       5      10      30
RAIN SHWRS    NM       SC                               IS SC
TSTMS         SC       SC                                  SC

$$


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