EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EDT Wed Aug 5 2026

VAZ024-060800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
431 PM EDT Wed Aug 5 2026

Date           08/05/26      Thu 08/06/26            Fri 08/07/26            Sat
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                 69          90          68          90          67
TEMP          87 80 74 72 71 72 83 89 88 80 74 72 70 71 84 90 87 80 74 70 68 70
DEWPT         72 72 72 71 70 72 73 72 73 72 72 71 70 71 73 72 73 72 72 70 68 70
MIN/MAX RH                  100          57         100          56         100
RH            61 77 93 97 97100 72 57 61 77 93 97100100 70 56 63 77 93100100100
WIND DIR       S  S  S SE  S  N SW SW  S SW  N  N  N  N SW SW SW SW SW  N  N  N
WIND SPD       4  2  1  1  1  0  3  4  5  2  0  0  0  0  2  4  4  1  1  0  0  0
CLOUDS        B1 SC SC SC FW FW FW B1 B1 B1 B1 B1 SC SC SC B2 B2 SC SC SC SC SC
CLOUDS(%)     54 33 50 29 18 19 10 56 66 53 66 57 42 32 33 74 74 45 45 40 31 36
VSBY          10 10  9  7  4  8 10 10 10 10                                    
POP 12HR                     10          50          30          60          20
RAIN SHWRS    SC                   SC SC SC                NM NM IS IS         
TSTMS         SC                   SC SC IS                SC SC IS            
Obvis                     PF                                                   
MIX HGT        4 <1 <1 <1 <1 <1  3  5  2 <1 <1 <1 <1 <1  3  5  3 <1            
T WIND DIR     S  S  S  S  S SW SW SW  S  S SW  S SW SW  W SW  W SW            
T WIND SPD    11  9  4  8  6  8 10  9 13 10  9  5  3  4  9 11  9  3            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           42  4  2  4  3  8 44 38 37  5  4  3  2  4 33 48 29  2            
MAX LVORI      1  4  6  8  9  8  3  1  1  4  6  8 10  9  3  1  2  4            
STABILITY      C  G  F  G  G  A  A  C  C  F  F  F  F  A  A  C  C  F            
CEILING              None  None  None  3500  3500  None  None  4000  None      
STA PRES            28.62 28.65 28.68 28.65 28.67 28.68 28.69 28.65            


Date           08/08Sun 08/09/26Mon 08/10/26Tue 08/11/26Wed 08/12/26
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       90      67      92      67      93      69      94      69      91
TEMP          90 83 71 71 90 84 72 71 92 85 73 72 92 85 72 72 89 82
DEWPT         71 72 70 70 69 70 68 68 68 70 69 69 70 70 69 70 71 70
RH            54 70 97 97 50 63 87 90 46 61 87 90 49 61 90 93 56 67
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 SC SC SC SC FW FW FW SC SC SC SC SC SC B1 B1 B1
POP 12HR           40      20       0       0      10      20      20      20      50
RAIN SHWRS       SC IS                      IS       IS IS    IS SC
TSTMS            SC IS                      IS       IS IS       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