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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EDT Mon Aug 31 2026

VAZ046-312000-
RAWS 441101
37.39N  78.80W Elev. 804 ft
131 PM EDT Mon Aug 31 2026

Date             Mon 08/31/26            Tue 09/01/26            Wed 09/02/26
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                 94          72          97          74          99
TEMP                   93 93 84 77 75 73 74 90 96 96 86 79 76 74 75 91 97 98 89
DEWPT                  66 66 67 68 67 67 68 69 67 67 68 67 67 67 68 70 68 67 68
MAX/MIN RH                   40          84          37          80          37
RH                     41 41 57 74 76 81 82 50 39 39 55 67 74 79 79 50 39 37 50
WIND DIR                N NW SE  S  W  W  W  W  W  W SW  S  W  W  W  W  W SW SE
WIND SPD                3  3  2  2  2  3  3  4  4  4  2  2  2  2  3  3  4  4  3
CLOUDS                 SC SC SC FW FW FW FW FW FW FW SC FW FW CL CL CL FW FW FW
CLOUDS(%)              31 48 40 18 12 18 17 12 17  9 34 17 14  3  2  2  6 12 13
VSBY                   10 10 10 10  8 10 10 10 10 10 10                        
POP 12HR                     20          10           0           0           5
RAIN SHWRS                IS                                                   
TSTMS                     IS                                                   
MIX HGT                 7  6 <1 <1 <1 <1 <1  4  7  7 <1 <1 <1 <1 <1  5  8  8 <1
T WIND DIR              N  S  E  S SW SW  W  N  W  W  W SW  W  W  W  N  W SW SW
T WIND SPD              4  1  2  3  3  2  2  9  5  8  2  3  3  2  3  4  1  5  6
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                    40  9  1  2  2  1  2 52 51 66  1  2  2  1  3 28 10 55  3
MAX LVORI               1  2  3  3  4  5  5  1  1  1  3  3  3  4  4  2  2  1  2
STABILITY               A  A  G  G  G  G  A  A  A  A  G  G  G  G  A  A  A  A  G
CEILING                    None  None  None  None  None  None  None  None  None
STA PRES                  29.35 29.35 29.35 29.35 29.28 29.30 29.32 29.35 29.26


Date          Thu 09/03/26Fri 09/04/26Sat 09/05/26Sun 09/06/26
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       75      99      71      94      68      87      64      84
TEMP          77 76 98 87 75 73 92 82 71 69 85 79 67 65 81 77
DEWPT         68 69 68 70 69 69 69 70 67 65 65 63 61 61 62 61
RH            74 79 38 57 82 87 47 67 87 87 51 58 81 87 53 58
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW SC B1 FW SC B1 SC SC SC SC FW SC SC SC
POP 12HR            5      20      30      40      20      20      20      20
RAIN SHWRS             IS SC    IS SC IS       IS IS       IS
TSTMS                  IS SC       SC 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