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

VAZ012-120800-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
101 AM EDT Tue Aug 11 2026

Date           08/10/26      Tue 08/11/26            Wed 08/12/26            Thu
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                 67          87          66          85          66
TEMP                   67 67 68 77 83 83 75 69 68 67 67 74 80 83 77 69 68 66 67
DEWPT                  67 66 67 70 69 69 68 67 66 65 66 70 70 70 68 67 66 66 67
MIN/MAX RH                  100          58         100          64         100
RH                    100 97 97 79 63 63 79 93 93 93 97 87 72 65 74 93 93100100
WIND DIR                W NW  W  W  W NW  W  W  W  W  W  W  W  W  W  W  W  W  W
WIND SPD                3  4  4  3  3  3  3  4  4  5  5  4  4  3  2  3  2  2  3
WIND GUST                                      14 16                           
CLOUDS                 FW SC B1 B1 B1 B1 B1 B2 B1 OV B2 B1 B1 SC B1 B1 B1 B2 B2
CLOUDS(%)              15 38 58 52 53 61 61 73 59 93 79 62 55 38 59 62 67 80 76
VSBY                    9 10 10 10 10 10 10  6  8  8 10 10 10 10 10 10  5  0  0
POP 12HR                     60          30          60          40          40
RAIN SHWRS                SC    IS IS SC SC NM SC SC       SC IS SC SC       SC
TSTMS                     IS    IS IS SC SC SC             SC IS IS IS         
MIX HGT                <1 <1 <1  2  4  2 <1 <1 <1 <1 <1  2  4  2 <1 <1 <1 <1  1
T WIND DIR              W  W  W  W  N  W  W NW  W SW  W  W  W  W  W  W  W  W  W
T WIND SPD              3  6 11 17 19  8  6  5  3  6 10  8 19 12  8  6  8  6  9
DISPERSION             VP VP             VP VP VP PR             VP VP VP VP   
ADI                     2  3  9 52 93 23  3  4  2  5 11 22 74 37  4  3  4  3 13
MAX LVORI              10  8  6  3  1  2  4  6  6  6  7  4  3  1  4  6  8  9  5
STABILITY               G  F  C  B  B  B  F  E  E  E  C  C  C  A  F  F  F  F  B
CEILING                    None  None  None   100   800   800  None 17400     0
STA PRES                  27.33 27.31 27.28 27.28 27.28 27.25 27.22 27.18 27.17


Date           08/13Fri 08/14/26Sat 08/15/26Sun 08/16/26Mon 08/17/26
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      67      85      65      84      64      87      67      86
TEMP          82 78 70 68 81 76 67 66 79 75 66 66 83 78 69 68 81 76
DEWPT         70 69 67 68 70 69 66 66 69 68 65 66 69 69 67 67 70 68
RH            67 74 90100 69 79 97100 72 79 97100 63 74 93 97 69 76
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B1 B1 B1 B2 B2 B1 B1 B1 B1 SC SC SC B1 SC SC B1 B1
POP 12HR           40      30      60      30      50      20      30      20      50
RAIN SHWRS    SC SC SC    IS NM SC IS SC SC IS       SC IS    IS SC
TSTMS         IS SC SC    IS SC IS       SC          SC 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