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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1131 AM EDT Sun Aug 23 2026

VAZ024-232000-
RAWS 441631
37.63N  79.51W Elev. 865 ft
1131 AM EDT Sun Aug 23 2026

Date             Sun 08/23/26            Mon 08/24/26            Tue 08/25/26
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                 84          57          84          53          86
TEMP                   83 81 71 63 60 57 60 76 83 81 70 61 57 54 56 77 86 84 73
DEWPT                  57 54 54 54 54 54 55 57 54 53 52 52 51 50 52 55 54 54 56
MAX/MIN RH                   38          87          35          92          33
RH                     41 39 55 72 81 90 84 52 37 38 53 72 80 86 86 47 34 36 55
WIND DIR               NW NW  W  W  N NW NW  W  W NW NW NW NW NW NW NW  W SW  N
WIND SPD                6  6  3  1  0  1  1  4  5  5  3  2  1  1  1  1  2  2  0
WIND GUST              18 18                                                   
CLOUDS                 FW CL CL FW SC CL CL CL FW FW FW FW FW FW FW FW FW FW FW
CLOUDS(%)               8  5  2  7 33  1  1  5  6  8 18 13  9  7 13 15 10 16 21
VSBY                   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                 6  5 <1 <1 <1 <1 <1  5  6  6 <1 <1 <1 <1 <1  3  5  7 <1
T WIND DIR             NW  W  W  W  W NW NW  W  W  W NW  N NW NW NW NW  W  W  S
T WIND SPD             14 13  9  3  2  3  2 16 11 10  4  3  3  3  2  5  4  3  2
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                   100 86  4  2  1  2  2 93 85 78  2  2  2  2  2 25 31 27  1
MAX LVORI               1  1  3  3  5  6  5  1  1  1  2  3  5  6  6  2  1  2  3
STABILITY               B  B  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                  28.44 28.49 28.50 28.53 28.51 28.57 28.58 28.60 28.55


Date          Wed 08/26/26Thu 08/27/26Fri 08/28/26Sat 08/29/26
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       58      88      64      87      64      90      64      89
TEMP          61 62 88 77 68 67 86 76 67 67 88 79 67 67 86 77
DEWPT         56 56 64 64 65 66 70 69 67 67 68 67 66 65 67 66
RH            84 81 45 64 90 97 59 79100100 52 67 97 93 53 69
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW SC SC SC B1 B1 B2 SC SC SC SC SC B1 SC SC
POP 12HR            0      10      20      60      20      20      20      20
RAIN SHWRS                IS IS SC NM IS       IS IS       IS
TSTMS                     IS IS IS 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