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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Tue Aug 25 2026

VAZ024-260800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
231 PM EDT Tue Aug 25 2026

Date           08/25/26      Wed 08/26/26            Thu 08/27/26            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                 58          88          65          87          66
TEMP          83 72 66 63 60 63 80 86 84 76 71 68 67 68 80 86 84 76 71 69 67 69
DEWPT         60 56 55 55 54 56 61 64 67 66 65 65 64 66 69 69 69 68 68 67 66 67
MIN/MAX RH                   82          48          94          56          96
RH            46 57 68 75 81 78 52 48 57 71 81 90 90 93 69 57 61 76 90 93 97 93
WIND DIR       S  S  N  N  N  N  S  S  S  S  S  S  N  N  S  S  S  S  N  N  N  N
WIND SPD       2  1  0  0  0  0  2  5  5  2  1  1  0  0  2  4  3  1  0  0  0  0
CLOUDS        FW SC SC FW FW SC SC B1 B2 B1 B1 B1 SC SC B1 B2 B2 B2 B2 B2 B2 B1
CLOUDS(%)      7 32 28 11  7 29 44 60 84 57 63 53 37 50 62 76 76 71 73 76 70 68
VSBY          10 10 10 10  9 10 10 10 10 10 10  7  7  7  7  7  7  7  7  7  7  7
POP 12HR                      0           5          20          60          60
RAIN SHWRS                               IS                IS NM NM SC       SC
TSTMS                                    IS                IS SC SC IS         
MIX HGT        5 <1 <1 <1 <1 <1  3  6  4 <1 <1 <1 <1 <1  2  5  4 <1            
T WIND DIR     W  S SE  N  N  N  S  S SW  S  S  S  S  S SW SW  S NW            
T WIND SPD     2  2  1  2  2  1  9  9 10  4  5  5  3  6  5  6  9 13            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           15  1  1  1  1  1 38 41 36  2  3  3  2  7 16 29 47  6            
MAX LVORI      2  3  4  4  5  4  1  1  1  3  5  6  7  5  3  2  1  4            
STABILITY      A  G  G  G  G  A  A  C  C  F  F  F  G  A  B  C  B  F            
CEILING        None  None  None  None  4700  None  None   700  3800  1000      
STA PRES      28.56 28.60 28.60 28.62 28.54 28.53 28.52 28.52 28.48            


Date           08/28Sat 08/29/26Sun 08/30/26Mon 08/31/26Tue 09/01/26
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       86      64      85      65      89      66      94      68      95
TEMP          85 75 68 66 82 74 67 68 86 78 69 69 91 82 71 71 92 83
DEWPT         69 69 67 66 69 68 67 67 69 68 67 67 67 68 68 68 68 68
RH            59 82 97100 65 82100 97 57 71 93 93 45 63 90 90 46 61
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC FW SC SC SC SC SC
POP 12HR           60      20      40       5      20       5       5       0      20
RAIN SHWRS    SC NM IS    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