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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Sun Aug 23 2026

VAZ018-232000-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
801 AM EDT Sun Aug 23 2026

Date             Sun 08/23/26            Mon 08/24/26            Tue 08/25/26
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                 78          57          78          54          82
TEMP                70 77 75 66 61 59 58 59 72 77 76 65 59 55 54 56 72 80 81 71
DEWPT               60 56 54 53 53 53 53 54 56 54 52 51 50 50 49 50 54 53 52 54
MAX/MIN RH                   47          84          43          86          35
RH                  71 48 48 63 75 80 83 83 57 45 43 60 72 83 83 80 53 39 37 55
WIND DIR            NW NW  W NW  W  W  W  W  W NW NW NW NW NW NW NW NW  W  W NW
WIND SPD             8  6  6  3  2  3  3  4  6  6  6  4  2  2  2  2  1  2  3  2
WIND GUST           23 20 19 13             20 18 18 16                        
CLOUDS              FW CL CL FW CL CL CL CL FW FW FW SC FW FW FW FW FW FW FW FW
CLOUDS(%)           10  4  5 10  5  3  1  3  6 14 23 30 13  8  7  8 13  7 11 16
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10   
POP 12HR                      0           0           0           0           0
MIX HGT              4  6  6 <1 <1 <1 <1 <1  4  5  5 <1 <1 <1 <1 <1  4  6  6 <1
T WIND DIR          NW NW  W  W  W  W  W NW  W  W  W NW NW NW NW NW NW  W  W SE
T WIND SPD          24 17 14 16 11  3  4  4 17 11 11  6  3  3  3  2  6  4  3  2
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                116118101  7  5  2  2  4 83 68 70  3  2  2  2  2 32 32 26  1
MAX LVORI            3  1  1  3  3  4  5  4  1  1  1  3  3  5  5  5  1  1  2  2
STABILITY            B  B  B  G  G  G  G  A  B  B  B  F  G  G  G  A  A  A  A  G
CEILING              None  None  None  None  None  None  None  None  None  None
STA PRES            27.76 27.75 27.79 27.80 27.82 27.81 27.86 27.86 27.89 27.84


Date          Wed 08/26/26Thu 08/27/26Fri 08/28/26Sat 08/29/26
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       59      86      65      84      64      85      64      85
TEMP          61 61 85 74 67 66 81 73 67 67 83 74 66 66 82 73
DEWPT         53 55 63 62 62 64 68 66 64 64 67 64 62 63 66 63
RH            75 81 48 66 84 93 65 79 90 90 59 71 87 90 58 71
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC SC SC B1 B1 B1 B2 SC SC SC SC SC SC SC SC
POP 12HR            0      10      40      60      20      20      10      20
RAIN SHWRS                   SC SC NM IS       IS          IS
TSTMS                        IS IS SC 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