EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 AM EDT Tue Aug 4 2026

VAZ018-042000-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
431 AM EDT Tue Aug 4 2026

Date             Tue 08/04/26            Wed 08/05/26            Thu 08/06/26
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                 80          67          83          68          86
TEMP          67 67 74 79 78 71 70 70 69 69 75 80 80 73 71 70 68 70 80 85 81 73
DEWPT         64 63 68 70 71 69 68 68 68 68 72 72 73 71 69 68 68 68 72 72 72 71
MAX/MIN RH                   74         100          76          98          65
RH            90 87 82 74 79 93 93 93 97 97 90 77 79 93 93 93100 93 77 65 74 93
WIND DIR      NE  E  E  E  E  E  E  E NE  E SE  S SE SE  S  S  S SW SW  S  S  S
WIND SPD       3  3  4  4  5  3  2  1  1  1  2  4  4  2  1  1  1  2  3  4  4  2
WIND GUST     14 14          13                                                
CLOUDS        B1 B1 B2 B2 B1 B2 B2 OV B2 B2 B1 B2 B1 SC B1 B1 SC B1 SC B2 B2 B1
CLOUDS(%)     67 62 75 81 63 75 83 96 77 74 66 80 65 32 52 52 50 58 38 86 86 61
VSBY           7 10 10  7  6  6  6  2  1  1  7 10 10 10 10 10 10               
POP 12HR                     50          60          70          10          80
RAIN SHWRS    SC       SC SC SC NM SC SC IS IS NM SC                    O  O IS
TSTMS                  SC SC IS IS          IS SC SC                   SC SC IS
MIX HGT       <1 <1  2  3  3 <1 <1 <1 <1 <1  2  4  3 <1 <1 <1 <1  1  3  5  3 <1
T WIND DIR    NE NE  E  E  E SE  E SE  E NE  E  S  S  S SW SW SW SW  W SW  S  S
T WIND SPD    12 12  8 10  9 11  3  6  3  2  2  6  9 11 14  8  4  4  5  5  9  2
DISPERSION    VP             VP VP VP VP             VP VP VP VP             VP
ADI            6 16 23 32 27  5  2  3  2  3  6 25 28  5  7  4  2  6 21 24 27  1
MAX LVORI      6  4  3  3  3  6  7  6  8  9  5  3  3  6  6  6  8  6  3  3  3  7
STABILITY      F  B  C  C  C  F  F  F  F  B  B  C  C  G  F  F  F  B  A  C  C  F
CEILING              1100  1600   300     0   500  2400  None  None  None  1500
STA PRES            27.85 27.83 27.85 27.86 27.88 27.86 27.89 27.91 27.96 27.94


Date          Fri 08/07/26Sat 08/08/26Sun 08/09/26Mon 08/10/26
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      86      67      86      67      86      68      88
TEMP          69 70 85 75 69 69 83 75 69 69 84 77 70 70 86 78
DEWPT         67 68 71 71 67 68 71 71 67 67 70 70 66 67 70 70
RH            93 93 63 87 93 97 67 87 93 93 63 79 87 90 59 76
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 SC SC B2 B1 SC SC B1 SC B1 SC B1 SC SC SC SC
POP 12HR           20      70      30      50      20      30      10      20
RAIN SHWRS    IS    IS NM SC       SC IS       SC          IS
TSTMS         IS    IS SC SC       SC IS       SC          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