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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Sat Aug 22 2026

VAZ024-222000-
RAWS 441631
37.63N  79.51W Elev. 865 ft
801 AM EDT Sat Aug 22 2026

Date             Sat 08/22/26            Sun 08/23/26            Mon 08/24/26
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          65          85          57          83
TEMP                75 81 81 76 67 66 65 66 76 83 80 71 64 60 57 60 76 83 80 70
DEWPT               68 68 67 68 66 65 63 63 63 58 56 56 56 56 55 56 57 55 54 53
MAX/MIN RH                   62          99          40          94          37
RH                  79 65 63 76 97 97 93 90 64 43 44 59 75 87 93 87 52 38 41 55
WIND DIR            SE  S  S SE  S  W  W  W NW  W  W  W  W  W  W  W  W  W NW NW
WIND SPD             1  3  4  3  2  2  3  3  5  6  6  4  1  1  1  1  5  5  6  3
WIND GUST                                13 16 17 18 14                16 17 13
CLOUDS              B1 SC B1 B2 B1 SC CL CL CL CL FW FW FW FW CL CL CL FW FW FW
CLOUDS(%)           66 50 54 73 69 32  4  3  3  3 22  8  8  8  0  1  5  9  9 10
VSBY                 7 10 10 10  8  7  8 10 10 10 10 10 10 10 10 10 10 10 10   
POP 12HR                     40          50           0           0           0
RAIN SHWRS             IS SC SC SC                                             
TSTMS                  IS SC IS                                                
MIX HGT              2  4  4 <1 <1 <1 <1 <1  4  6  6 <1 <1 <1 <1 <1  5  6  6 <1
T WIND DIR          NE  E SE  S  S SW  W NW NW NW  W  W NW NW NW NW  W  W  W  W
T WIND SPD           5  4  5  5  6  4  5 10 18 16 12  6  3  3  2  3 13 12 11  2
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 15 22 21  3  3  2  3 10 93112 87  3  2  2  1  3 85 95 79  1
MAX LVORI            4  3  2  4  9  8  6  5  1  1  1  3  4  6  7  6  1  1  1  3
STABILITY            B  A  C  F  F  G  G  A  A  B  B  F  G  G  G  A  A  A  B  G
CEILING              1700  1700 14100  None  None  None  None  None  None  None
STA PRES            28.50 28.44 28.42 28.39 28.45 28.45 28.50 28.50 28.54 28.52


Date          Tue 08/25/26Wed 08/26/26Thu 08/27/26Fri 08/28/26
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       55      86      59      88      64      86      64      89
TEMP          58 57 85 74 63 62 85 77 67 68 85 76 67 67 87 78
DEWPT         53 53 55 57 57 58 65 65 66 67 70 69 67 67 69 69
RH            83 86 36 55 81 87 51 67 97 97 61 79100100 55 74
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW FW FW FW SC SC B1 B1 B1 B2 B1 SC SC B1
POP 12HR            0       0       0      10      20      60      40      30
RAIN SHWRS                            IS IS SC NM SC       SC
TSTMS                                 IS       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