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

VAZ024-050800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
301 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                 68          87          69          90          68
TEMP          83 77 72 71 70 71 78 85 86 81 74 72 71 72 83 89 87 80 74 71 69 71
DEWPT         71 71 71 70 70 71 73 73 73 74 72 71 70 72 73 73 74 73 72 71 69 70
MIN/MAX RH                  100          66         100          59         100
RH            67 82 97 97100100 85 67 65 79 93 97 97100 72 59 65 79 93100100 97
WIND DIR       E  E  N  N  N  N SE  S  S  S  N  S  S SW SW  S SW  S SW  N  N  N
WIND SPD       4  2  0  0  0  0  1  3  4  1  0  1  1  1  3  5  5  2  1  0  0  0
CLOUDS        B2 B2 B2 B1 B2 B2 B1 B2 B2 SC SC FW SC SC SC B2 B2 SC SC SC SC SC
CLOUDS(%)     75 86 81 68 80 70 68 70 71 33 37 15 28 35 36 77 77 46 41 39 50 50
VSBY          10 10  8  4  2  2  9 10 10 10  6 10 10                           
POP 12HR                     80          60          10          70          20
RAIN SHWRS    SC  O NM SC NM SC SC SC NM                   NM NM IS IS         
TSTMS         SC IS             IS SC SC                   SC SC IS            
Obvis               PF PF PF PF                                                
MIX HGT        2 <1 <1 <1 <1 <1  2  3  3 <1 <1 <1 <1 <1  3  5  4 <1            
T WIND DIR     E  E  E NE NW NW SW  S  S  S  S  S SW SW SW SW SW SW            
T WIND SPD    10  5  3  3  2  2  2  9 11 11  5  4  2  2  5  6 11 10            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           29  3  2  2  1  3  6 38 34  5  3  2  1  2 22 29 40  5            
MAX LVORI      3  5  8 10 10  9  4  3  3  4  8  9 10  9  3  2  1  4            
STABILITY      C  F  F  F  F  B  B  B  C  G  G  G  G  A  A  C  C  F            
CEILING               900   300   400  2800  None  None  None  4000  None      
STA PRES            28.57 28.59 28.61 28.59 28.63 28.66 28.68 28.65            


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       89      67      90      67      91      68      93      69      94
TEMP          89 82 71 70 88 81 70 70 89 83 71 70 91 85 73 72 92 84
DEWPT         72 73 70 70 71 73 70 70 70 71 68 69 70 71 69 69 70 71
RH            57 74 97100 57 77100100 54 67 90 97 50 63 87 90 49 65
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 B1 SC SC B1 SC SC SC SC FW FW SC SC SC SC SC SC
POP 12HR           40      20      50      20      10       5      10       5      20
RAIN SHWRS       SC IS       SC IS                               IS
TSTMS            SC IS       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