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

VAZ046-042000-
RAWS 441101
37.39N  78.80W Elev. 804 ft
801 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                 83          68          85          69          88
TEMP                77 82 78 74 72 71 70 71 77 83 82 77 73 72 70 72 81 87 85 79
DEWPT               71 73 74 73 72 71 70 71 76 77 76 75 73 72 70 72 76 76 75 74
MAX/MIN RH                   76         100          77         100          68
RH                  82 74 88 97100100100100 97 82 82 94100100100100 85 70 72 85
WIND DIR            NE NE  E  E NE NE  N  N  S  S  S  S  S  S  S SW SW  S  S SW
WIND SPD             8  6  6  4  2  2  2  2  4  6  6  4  3  4  5  6  8 10 10  6
WIND GUST                                                                    17
CLOUDS              B2 B2 B2 OV OV B2 B2 B2 B1 B1 B1 SC B1 B1 SC B1 SC B1 B1 SC
CLOUDS(%)           84 80 85 93 89 87 80 78 60 69 54 43 55 52 48 53 28 54 54 33
VSBY                10  6  3  6  6  2  1  3  8 10 10  7  7 10 10               
POP 12HR                     70          80          50          20          30
RAIN SHWRS             SC NM  O NM SC NM IS SC SC    IS IS             SC SC   
TSTMS                  SC SC IS IS             SC    IS                SC SC   
MIX HGT              2  2  2 <1 <1 <1 <1 <1  2  4  4 <1 <1 <1 <1  1  3  5  4 <1
T WIND DIR          NE  E  E  E NE  S  S SE  S SW  S  S  S  S SW SW SW SW SW SW
T WIND SPD          11 10 12 11  1  3  5  6  9 13 14 18  6 10 13 11 14 14 16 16
DISPERSION                   VP VP VP VP             VP VP VP PR             PR
ADI                 29 29 35  8  1  2  3  8 24 48 52 12  3  7  9 17 56 60 63  7
MAX LVORI            3  3  4  6 10 10  9  8  5  4  3  5  9  8  8  5  4  1  3  4
STABILITY            C  C  C  E  F  F  F  B  C  C  C  E  F  E  E  C  B  C  C  F
CEILING              1100  2700  1500   400   400  None  None  None  None  None
STA PRES            29.32 29.31 29.34 29.35 29.37 29.34 29.38 29.42 29.46 29.44


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       70      88      69      89      69      90      69      91
TEMP          72 72 87 81 71 71 86 81 71 71 87 82 72 72 89 84
DEWPT         72 72 75 74 71 71 75 74 71 71 74 74 71 71 74 73
RH           100100 68 79100100 70 79100100 65 77 97 97 61 70
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC B1 SC SC SC B1 B1 B1 SC SC SC SC SC FW
POP 12HR            5      30      10      30      20      20      10      10
RAIN SHWRS             SC          SC IS       IS            
TSTMS                  SC          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