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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 AM EDT Fri Jul 31 2026

VAZ012-312000-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
731 AM EDT Fri Jul 31 2026

Date             Fri 07/31/26            Sat 08/01/26            Sun 08/02/26
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                 85          59          83          64          78
TEMP             60 73 79 81 74 65 62 61 64 76 78 79 72 69 68 67 66 71 73 74 70
DEWPT            56 59 57 57 59 57 56 55 58 63 63 65 65 64 64 64 66 69 69 70 68
MAX/MIN RH                   42          82          59          99          86
RH               87 62 47 44 59 75 81 81 81 64 60 62 79 84 87 90100 93 87 87 93
WIND DIR          N  N SW SW  W  N  N SE SE  S  S  S SE  S  S  S  S  S  S  S  S
WIND SPD          1  0  1  1  1  0  0  1  1  3  4  4  4  4  5  4  3  3  4  3  2
WIND GUST                                            14 16 16                  
CLOUDS           SC FW SC SC FW SC B1 B2 B2 B2 B1 B1 B1 OV B2 OV B2 OV OV OV B2
CLOUDS(%)        29 21 43 37 25 43 55 72 74 76 60 61 60 88 83 89 87 89 88 88 70
VSBY             10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0          20          60          80
RAIN SHWRS                                        IS SC SC SC SC  O  O  O  O SC
TSTMS                                             IS IS IS       IS IS SC SC SC
MIX HGT          <1  4  5  6 <1 <1 <1 <1 <1  4  5  5  1  1 <1  1  1  2  2  3 <1
T WIND DIR        W  E SW  W SE  S  S  S  S  S  S  S  S  S  S  S  S  S  W  W  W
T WIND SPD        1  1  3  2  2  3  5  4  4 19 25 27 19 23 14  9 14 12 16 16  9
DISPERSION                   VP VP VP VP             VP VP PR VP             VP
ADI               1  6 23 16  1  2  3  2  5 86103109 13 15 10  6 23 32 46 53  4
MAX LVORI         6  3  2  2  3  4  4  5  4  1  1  1  4  4  5  6  5  4  4  4  6
STABILITY         A  A  A  A  G  F  F  F  B  B  C  C  E  E  E  E  B  B  C  B  F
CEILING              None  None  None 14400  3800  2400  1000   600   600  2400
STA PRES            27.30 27.25 27.23 27.21 27.19 27.12 27.09 27.05 27.09 27.11


Date          Mon 08/03/26Tue 08/04/26Wed 08/05/26Thu 08/06/26
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       62      79      61      81      62      81      63      83
TEMP          66 66 74 72 63 64 76 73 65 64 77 73 65 66 79 74
DEWPT         65 66 69 67 63 64 68 67 64 64 69 68 65 66 68 68
RH            97100 84 84100100 76 81 97100 76 84100100 69 82
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B1 B2 SC SC B1 B2 SC SC B1 B2 SC SC SC B2
POP 12HR           50      70      20      70      20      60      20      60
RAIN SHWRS    SC IS SC NM IS    IS NM IS    SC NM IS    IS NM
TSTMS         SC IS IS SC IS    IS SC IS       SC IS    IS SC

$$


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