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

VAZ012-010800-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
801 PM EDT Fri Jul 31 2026

Date           07/31/26      Sat 08/01/26            Sun 08/02/26            Mon
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                 59          84          64          78          63
TEMP                65 62 60 63 76 80 80 74 70 68 67 66 70 73 76 71 68 67 66 66
DEWPT               55 56 54 58 61 61 63 64 64 64 65 66 70 70 70 68 67 66 65 66
MIN/MAX RH                   85          53         100          83         100
RH                  70 81 81 84 60 52 56 71 81 87 93100100 90 82 90 97 97 97100
WIND DIR             N  N SE SE  S  S  S SE SE  S SE SE  S  S  S  S  S SW SW SW
WIND SPD             0  0  1  2  4  5  5  5  5  6  4  3  3  4  3  2  1  1  1  1
WIND GUST                                16 17 17                              
CLOUDS              B1 B1 B1 B2 B2 B2 B1 B1 B2 B1 B2 B2 B2 OV OV B1 B2 B1 B2 B2
CLOUDS(%)           61 59 61 73 84 87 61 67 79 69 78 80 87 94 94 69 74 68 83 77
VSBY                10 10 10 10 10 10 10 10 10  7  7  6  9  3  3  6  6 10 10  7
POP 12HR                      0          10          70          90          50
RAIN SHWRS                               IS    SC NM NM NM  O  O SC SC       SC
TSTMS                                    IS    SC SC SC SC SC SC SC SC         
MIX HGT             <1 <1 <1 <1  3  5  3  1 <1 <1 <1  1  2  3  3  1            
T WIND DIR           S  S  S  S  S  S  S  S  S SE  S  S  S SW  S  S            
T WIND SPD           4  5  4  4 21 20 21 16 13  6  8  5 10 16 18 16            
DISPERSION          VP VP VP             PR PR PR VP             VP VP VP VP   
ADI                  2  3  2  4 96 86 75 11  9  5  5  8 23 51 74  7            
MAX LVORI            3  5  5  5  1  1  1  3  4  5  6  8  5  4  4  5            
STABILITY            F  F  F  A  A  C  C  E  E  E  E  B  B  C  B  F            
CEILING              None  4100 17800  1900   700   700   700  1500   700      
STA PRES            27.25 27.22 27.20 27.15 27.13 27.12 27.14 27.12            


Date           08/03Tue 08/04/26Wed 08/05/26Thu 08/06/26Fri 08/07/26
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       79      61      80      61      82      63      84      64      85
TEMP          75 73 64 64 76 73 65 65 78 74 66 66 80 75 65 66 81 76
DEWPT         68 67 64 64 67 67 64 65 68 67 64 66 68 68 65 66 68 68
RH            79 81100100 74 81 97100 71 79 93100 67 79100100 65 76
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 SC SC B1 B1 SC SC SC B1 SC SC SC B1 SC SC B1 B1
POP 12HR           60      20      50      10      50      10      50      20      50
RAIN SHWRS    SC NM IS    IS SC       IS SC       IS SC IS    SC SC
TSTMS            SC IS    IS SC       IS SC       IS SC 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