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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EDT Mon Aug 24 2026

VAZ018-250800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
431 PM EDT Mon Aug 24 2026

Date           08/24/26      Tue 08/25/26            Wed 08/26/26            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                 52          82          58          84          66
TEMP          76 66 60 56 54 56 72 81 80 69 64 61 60 62 77 84 81 72 69 67 66 67
DEWPT         55 50 49 49 48 50 53 53 52 53 53 53 53 54 62 65 66 63 63 63 63 64
MIN/MAX RH                   82          37          78          53          93
RH            48 56 67 77 80 80 51 38 38 57 67 75 78 75 60 53 60 73 81 87 90 90
WIND DIR      NW NW NW NW NW NW NW NW NW  N NW  N  N  E SE  S  S  S  S  S SW SW
WIND SPD       6  5  3  2  2  3  2  1  2  1  1  1  0  1  3  4  4  2  2  1  1  1
WIND GUST     19 18                                                            
CLOUDS        CL FW FW FW FW SC FW FW FW FW SC FW SC B1 SC B1 B1 B1 B1 B1 B1 B1
CLOUDS(%)      4  8 23 18  6 31 25 13 23 13 28 24 35 67 40 53 53 68 56 56 54 59
VSBY          10 10 10 10  9  4 10 10 10 10 10 10 10 10 10 10 10  4 10 10 10  0
POP 12HR                      0           0           0          30          30
RAIN SHWRS                                                 SC SC IS IS SC SC SC
TSTMS                                                      IS SC IS            
MIX HGT        5 <1 <1 <1 <1 <1  3  5  6 <1 <1 <1 <1 <1  3  6  3 <1            
T WIND DIR     W NW  N NW NW NW NW NW NW  S  S NW  W  N  S  S  S  S            
T WIND SPD    13  9  4  3  3  2  9  8  4  2  2  1  1  0 10 11 11  3            
DISPERSION       PR VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           81  4  2  2  2  2 35 49 33  1  1  1  1  0 42 50 38  2            
MAX LVORI      1  3  3  4  5  5  1  1  1  3  3  4  4  4  1  1  1  4            
STABILITY      B  F  G  G  G  A  A  A  A  G  G  G  G  B  A  C  C  F            
CEILING              None  None  None  None  None  None  None  3500  1500      
STA PRES            27.87 27.89 27.91 27.86 27.89 27.89 27.88 27.84            


Date           08/27Fri 08/28/26Sat 08/29/26Sun 08/30/26Mon 08/31/26
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       85      65      84      64      83      65      85      67      88
TEMP          84 73 67 66 82 72 66 66 82 73 67 67 83 75 69 67 86 77
DEWPT         68 67 64 64 67 64 62 63 67 65 63 64 67 65 64 65 67 65
RH            59 81 90 93 61 76 87 90 61 76 87 90 59 71 84 93 53 67
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B2 B1 SC SC B1 SC SC SC SC SC SC B1 SC SC SC SC SC
POP 12HR           60      30      30      10      20      10      10       5      10
RAIN SHWRS    SC NM SC       SC          IS                        
TSTMS         IS SC IS       SC          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