EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Tue Aug 11 2026

VAZ024-120800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
231 PM EDT Tue Aug 11 2026

Date           08/11/26      Wed 08/12/26            Thu 08/13/26            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          92          69          93          70
TEMP          83 79 74 72 70 72 82 88 90 81 75 72 70 72 86 92 91 82 76 73 71 73
DEWPT         68 66 67 67 66 67 67 67 68 69 71 70 69 70 72 71 72 72 72 71 70 71
MIN/MAX RH                   93          48          98          50          98
RH            61 64 79 84 87 84 61 50 49 67 87 93 97 93 63 51 54 72 87 93 97 93
WIND DIR       W SW SW  W  W  W  W  W NW  W  W  W  W NW  W  W  W  W  W  W  W  W
WIND SPD       8  6  4  3  3  2  3  4  4  2  1  1  1  1  3  4  4  2  1  1  1  2
CLOUDS        B2 B1 OV B2 SC B1 SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1
CLOUDS(%)     85 62 93 72 47 66 42 28 40 40 28 38 27 47 44 63 63 61 52 62 58 53
VSBY          10 10  6  7  7  8  8 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                     60          20          30          50          30
RAIN SHWRS    IS SC NM SC IS          IS                   SC SC SC SC SC SC SC
TSTMS         IS IS                   IS                   SC SC IS            
MIX HGT        3 <1 <1 <1 <1 <1  3  5  3 <1 <1 <1 <1 <1  4  5  3 <1            
T WIND DIR    NW NW  N NE  W NW NW NW NW  W  W NW NW NW  W  W SW SW            
T WIND SPD     2  4  5  6  8  6 14 10  9  3  5  3  3  2  5  6  9  3            
DISPERSION       PR VP VP VP             VP VP VP VP             VP VP VP VP   
ADI            9  3  4  3  4  7 59 60 39  2  3  2  2  2 26 29 32  2            
MAX LVORI      2  3  5  5  6  4  1  1  1  3  6  7  8  8  2  2  1  3            
STABILITY      B  E  E  F  F  A  A  A  A  G  G  G  G  A  A  C  C  F            
CEILING       12400  2800  None  None  None  None  None  None  3800  None      
STA PRES      28.47 28.46 28.41 28.45 28.40 28.42 28.43 28.47 28.44            


Date           08/14Sat 08/15/26Sun 08/16/26Mon 08/17/26Tue 08/18/26
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       92      67      87      67      92      71      94      68      90
TEMP          91 83 72 68 85 80 70 69 90 84 74 73 92 84 71 70 88 81
DEWPT         72 72 69 66 67 68 67 67 71 72 71 71 71 69 69 68 66 66
RH            54 70 90 93 55 67 90 93 54 67 90 93 51 61 93 93 48 60
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B1 B1 SC B1 SC SC SC SC SC SC SC SC FW SC FW SC
POP 12HR           50      30      20      10      20      20      20      10      10
RAIN SHWRS    SC SC SC SC IS IS          IS IS       IS            
TSTMS            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