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

VAZ046-050800-
RAWS 441101
37.39N  78.80W Elev. 804 ft
831 PM EDT Tue Aug 4 2026

Date           08/04/26      Wed 08/05/26            Thu 08/06/26            Fri
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08

MIN/MAX TEMP                 71          85          70          88          70
TEMP                72 71 71 71 77 83 84 78 74 73 71 72 81 87 86 80 75 73 70 72
DEWPT               72 71 71 71 76 76 75 75 74 73 71 72 75 75 74 74 73 72 70 72
MIN/MAX RH                  100          74         100          66         100
RH                 100100100100 97 80 74 91100100100100 82 68 68 82 94 97100100
WIND DIR             E NE NE SE  S  S  S  S SW  S SW SW SW SW SW SW SW SW SW SW
WIND SPD             3  2  2  2  3  5  6  5  6  5  5  6  9 10 10  6  5  5  5  6
CLOUDS              B2 B2 B2 B2 B2 B1 SC SC SC FW CL FW SC SC B1 SC SC SC SC SC
CLOUDS(%)           87 83 83 72 79 58 46 42 31 22  4 20 36 38 52 39 41 30 40 44
VSBY                 8  2  1  4 10 10 10 10 10  8 10                           
POP 12HR                     60          30          20          20          10
RAIN SHWRS          SC SC IS    IS       IS IS             IS IS               
TSTMS               SC          IS       IS                IS IS               
Obvis                  PF PF PF                                                
MIX HGT             <1 <1 <1 <1  2  4  3 <1 <1 <1 <1  1  3  5  3 <1            
T WIND DIR           E NE  N SW SW SW SW  S  S  S SW SW SW SW SW SW            
T WIND SPD           8  6  4  1  4 12 14 14  5  5  4 12 12 12 14 17            
DISPERSION          VP VP VP             PR PR PR PR             PR PR PR PR   
ADI                  4  3  2  1 13 46 49  7  3  4  2 18 50 72 52  8            
MAX LVORI            9  9  9 10  5  3  3  5  9  9  9  5  3  1  1  4            
STABILITY            F  F  F  B  C  C  C  F  F  E  F  B  B  B  C  F            
CEILING               700   400   900  None  None  None  None  None  None      
STA PRES            29.35 29.36 29.39 29.38 29.42 29.45 29.46 29.43            


Date           08/07Sat 08/08/26Sun 08/09/26Mon 08/10/26Tue 08/11/26
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MAX/MIN TEMP       88      69      89      69      89      70      92      71      93
TEMP          87 82 72 72 87 80 71 71 87 82 73 72 89 84 74 73 90 84
DEWPT         74 74 72 72 74 74 71 71 73 73 70 70 72 72 70 70 72 72
RH            65 77100100 65 82100100 63 74 90 93 57 67 87 90 56 67
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC B1 SC SC B1 SC SC SC SC FW FW SC FW FW SC SC SC
POP 12HR           20      10      30      10      10       5      10      10      20
RAIN SHWRS       IS          SC                                  IS
TSTMS            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