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

VAZ012-052000-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
401 AM EDT Wed Aug 5 2026

Date             Wed 08/05/26            Thu 08/06/26            Fri 08/07/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 79          62          83          62          82
TEMP          66 67 74 78 76 70 66 65 64 65 77 82 79 72 67 65 63 65 76 81 78 71
DEWPT         64 65 67 67 67 66 66 65 64 65 67 66 68 67 66 65 63 65 70 70 70 68
MAX/MIN RH                   70         100          60         100          68
RH            93 93 79 69 74 87100100100100 71 58 69 84 97100100100 82 69 76 90
WIND DIR       E SE SE  S  S  S  S SW SW SW SW  S SW SW  S SW SW SW SW SW SW SW
WIND SPD       1  1  1  2  2  1  1  1  1  1  2  2  2  1  1  1  1  1  1  2  2  1
CLOUDS        B2 B2 B1 B1 B2 B1 SC SC SC SC FW B2 B2 SC B1 SC B1 B1 B1 B2 B2 SC
CLOUDS(%)     80 70 55 67 76 55 42 34 35 32 20 73 74 44 51 46 53 59 54 85 85 35
VSBY           4  4 10 10 10 10  9  5  6  6 10 10                              
POP 12HR                     60          10          80          20          80
RAIN SHWRS    IS       SC NM                   NM NM IS IS       SC SC  O  O   
TSTMS                  SC SC                   SC SC IS             IS SC SC   
Obvis         PF                      PF PF                                    
MIX HGT       <1 <1  2  4  3 <1 <1 <1 <1 <1  3  4  2 <1 <1 <1 <1 <1  2  3  2 <1
T WIND DIR     S  S SW  S  S  S  S  S  S  S SW  S  S  S  S  S SW  W  W  S  S  E
T WIND SPD     4  4  4  5 10  9  6  5  4  3  6  8 13  9  5  4  6  9  8  5  4  3
DISPERSION    VP             VP VP VP VP             VP VP VP VP             VP
ADI            2  6 14 26 37  4  3  3  2  3 26 39 42  4  3  2  3 10 24 21 12  2
MAX LVORI      9  7  4  3  3  6  9  9  9  9  3  3  3  6  8  9  9  8  3  3  4  7
STABILITY      F  B  B  B  B  F  F  G  G  A  A  B  B  F  F  F  F  B  B  B  B  G
CEILING               200  2600  None  None  None  2700  None  None  1600  2200
STA PRES            27.37 27.35 27.40 27.42 27.45 27.43 27.45 27.47 27.49 27.43


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

MIN/MAX TEMP       62      83      63      84      63      86      65      85
TEMP          65 65 81 74 66 65 80 75 67 65 82 77 69 67 81 76
DEWPT         65 65 69 68 66 65 68 68 65 65 69 68 66 67 70 68
RH           100100 67 82100100 67 79 93100 65 74 90100 69 76
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC B2 B1 SC B1 SC SC SC SC SC SC SC SC B1
POP 12HR           10      80      20      20      10      20      10      30
RAIN SHWRS          IS  O IS       IS          IS          SC
TSTMS               IS SC 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