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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Sun Aug 23 2026

VAZ046-240800-
RAWS 441101
37.39N  78.80W Elev. 804 ft
801 PM EDT Sun Aug 23 2026

Date           08/23/26      Mon 08/24/26            Tue 08/25/26            Wed
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                 58          86          57          86          61
TEMP                67 63 60 62 78 82 84 74 66 61 57 59 76 80 85 77 67 63 61 63
DEWPT               51 51 51 54 58 56 53 52 51 51 51 53 55 55 54 55 55 56 55 58
MIN/MAX RH                   76          35          81          35          84
RH                  56 65 72 75 50 41 34 46 58 70 80 80 48 42 35 47 65 78 81 84
WIND DIR            NW  W  W  W  W  W  W NW  N  N NW NW  N  W SW  E  E  N  N  N
WIND SPD             3  2  2  3  5  8  8  4  4  3  2  2  2  2  3  2  1  1  1  2
CLOUDS              CL SC FW CL CL CL FW FW CL FW FW SC FW FW FW CL CL FW FW FW
CLOUDS(%)            4 27 19  2  3  4 13  7  0 13 16 31 11  9  8  3  5 16 12 23
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10   
POP 12HR                      0           0           0           0           0
MIX HGT             <1 <1 <1 <1  4  7  7 <1 <1 <1 <1 <1  4  5  6 <1            
T WIND DIR           W  W  W  W  W  W  W NW NW  N  W  W  N  N  S NE            
T WIND SPD           3  2  2  2 17 13 11  3  4  3  2  1  4  1  2  1            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  2  1  1  2 96103 90  2  2  2  1  1 23  8 16  1            
MAX LVORI            3  3  3  3  1  1  1  2  3  3  4  4  2  2  2  2            
STABILITY            G  G  G  A  A  B  B  F  F  G  G  A  A  A  A  G            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            29.28 29.28 29.31 29.29 29.35 29.38 29.39 29.34            


Date           08/26Thu 08/27/26Fri 08/28/26Sat 08/29/26Sun 08/30/26
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       89      67      88      66      89      67      87      66      88
TEMP          84 79 68 68 82 78 69 68 85 79 69 68 83 78 68 68 83 79
DEWPT         66 65 66 68 71 70 69 68 70 69 68 67 70 68 67 67 70 69
RH            55 62 93100 69 76100100 61 72 97 97 65 71 97 97 65 72
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC B1 SC B1 B2 B1 SC SC SC SC SC FW SC B1 SC SC SC
POP 12HR            5      30      60      40      20      20      10      30      20
RAIN SHWRS          SC SC SC NM SC       IS IS          SC IS    IS
TSTMS               IS       SC IS       IS             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