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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Fri Aug 21 2026

VAZ012-212000-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
801 AM EDT Fri Aug 21 2026

Date             Fri 08/21/26            Sat 08/22/26            Sun 08/23/26
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                 81          61          81          58          77
TEMP                73 79 73 67 65 64 63 63 71 77 76 68 63 61 59 61 70 75 72 64
DEWPT               67 68 68 66 65 63 63 63 67 65 65 63 62 61 59 60 61 57 56 55
MAX/MIN RH                   70         100          60         100          52
RH                  81 69 84 97100 97100100 87 67 69 84 97100100 97 73 54 57 73
WIND DIR            SE  S  S SE SE  N  N SW  W NW  W  W  W  W  W  W NW NW NW NW
WIND SPD             1  2  1  1  1  0  0  1  1  2  2  2  2  2  3  3  3  3  3  2
CLOUDS              B2 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC FW FW CL
CLOUDS(%)           74 76 86 73 80 76 77 61 41 43 33 35 35 29 50 45 30 15 15  2
VSBY                10 10 10 10  6  2  3  2 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     80          60          40          20           5
RAIN SHWRS          IS NM  O NM SC                   IS IS                     
TSTMS               IS NM NM SC SC                   IS                        
MIX HGT              2  3  2 <1 <1 <1 <1 <1  2  4  3 <1 <1 <1 <1  1  3  5  6 <1
T WIND DIR          SE  S SE SE SE SE  S SW  W NW  W  W SW  W  W  W NW NW  W NW
T WIND SPD           4 10  9  6  6  6  6  4  5  8  6  6  6  6  8 13 18 16 12  8
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 12 40 24  3  3  3  3  5 18 42 26  3  3  3  4 22 81 98 89  4
MAX LVORI            4  3  4  8  9  9  9  9  4  1  3  6  8  9  9  5  3  1  1  3
STABILITY            B  B  B  F  F  F  F  B  A  A  A  G  G  G  F  A  A  A  A  G
CEILING               200   100   100   100  None  None  None  None  None  None
STA PRES            27.31 27.28 27.28 27.24 27.23 27.20 27.18 27.18 27.25 27.26


Date          Mon 08/24/26Tue 08/25/26Wed 08/26/26Thu 08/27/26
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       53      78      53      80      58      83      61      81
TEMP          55 55 76 66 56 56 76 70 60 60 78 71 63 63 77 70
DEWPT         53 53 54 54 52 53 57 58 56 58 63 64 63 63 67 66
RH            93 93 46 65 86 90 52 66 87 93 60 79100100 71 87
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW SC SC SC SC SC SC SC SC B1 B1 B1 B1 B2
POP 12HR            0       5       5      10      10      40      40      60
RAIN SHWRS                                     SC SC SC SC NM
TSTMS                                          SC          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