EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1031 AM EDT Tue Aug 11 2026

VAZ012-112000-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
1031 AM EDT Tue Aug 11 2026

Date             Tue 08/11/26            Wed 08/12/26            Thu 08/13/26
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                 83          66          85          66          86
TEMP                76 82 82 75 69 68 67 67 74 80 83 77 69 68 66 67 76 82 85 78
DEWPT               68 67 67 65 67 66 65 66 70 70 70 68 67 66 66 67 71 70 70 69
MAX/MIN RH                   58         100          64         100          61
RH                  76 61 61 71 93 93 93 97 87 72 65 74 93 93100100 85 67 61 74
WIND DIR             W  W NW  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W
WIND SPD             8  3  3  3  4  4  5  5  4  4  3  2  3  2  2  3  3  3  3  2
WIND GUST                          14 16                                       
CLOUDS              CL B2 SC B1 B2 B1 OV B2 B1 B1 SC B1 B1 B1 B2 B2 B1 B1 B1 B1
CLOUDS(%)            0 82 48 61 73 59 93 79 62 55 38 59 62 67 80 76 69 60 60 55
VSBY                10 10 10 10  7  7  4 10 10 10 10 10 10  5  0  0 10 10 10 10
POP 12HR                     50          60          40          40          40
RAIN SHWRS          SC SC IS SC NM SC SC       SC IS SC SC       SC SC SC SC SC
TSTMS               SC SC IS SC SC             SC IS IS IS          IS SC SC SC
MIX HGT              2  4  2 <1 <1 <1 <1 <1  2  4  2 <1 <1 <1 <1  1  2  3  3 <1
T WIND DIR           W  N  W  W NW  W SW  W  W  W  W  W  W  W  W  W SW NW NW NW
T WIND SPD          17 19  8  6  5  3  6 10  8 19 12  8  6  8  6  9 16 19 13  5
DISPERSION                   VP VP VP PR             VP VP VP VP             VP
ADI                 52 93 23  3  4  2  5 11 22 74 37  4  3  4  3 13 47 70 57  3
MAX LVORI            3  1  2  4  6  6  6  7  4  3  1  4  6  8  9  5  4  1  1  4
STABILITY            B  B  B  F  E  E  E  C  C  C  A  F  F  F  F  B  B  B  B  F
CEILING                    2500   100   800   800  None 17400     0  3100  5700
STA PRES                  27.28 27.28 27.28 27.25 27.22 27.18 27.17 27.18 27.22


Date          Fri 08/14/26Sat 08/15/26Sun 08/16/26Mon 08/17/26
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       67      85      64      84      64      87      67      84
TEMP          70 68 81 76 67 65 79 75 66 65 82 78 69 69 81 75
DEWPT         67 68 70 69 66 65 69 68 65 65 69 69 66 67 70 68
RH            90100 69 79 97100 72 79 97100 65 74 90 93 69 79
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B2 B2 B1 SC B1 B1 SC SC B1 B1 SC SC B1 B1
POP 12HR           30      60      30      50      20      30      20      50
RAIN SHWRS    SC    IS NM SC IS SC SC IS       SC IS    IS SC
TSTMS         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