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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Tue Aug 25 2026

VAZ046-260800-
RAWS 441101
37.39N  78.80W Elev. 804 ft
801 PM EDT Tue Aug 25 2026

Date           08/25/26      Wed 08/26/26            Thu 08/27/26            Fri
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                 60          89          67          87          68
TEMP                66 63 61 64 80 86 87 78 72 70 69 70 79 85 85 77 72 70 69 70
DEWPT               54 55 54 57 62 63 63 65 65 66 65 67 70 70 69 69 69 68 67 69
MIN/MAX RH                   81          44          93          59          97
RH                  65 75 78 78 54 46 45 64 79 87 87 90 74 61 59 76 90 93 93 97
WIND DIR            SE  N  N  E  S  S  S  S  S  S  S  S  S  S  S  S SW SW SW SW
WIND SPD             1  0  1  1  5  8  8  4  4  5  4  4  6  8  6  3  2  2  2  2
CLOUDS              FW FW FW FW SC B1 B1 SC B1 B1 SC B1 SC B1 B2 B2 B2 B2 B2 B2
CLOUDS(%)           25 12 21 15 43 51 57 31 52 54 43 53 48 67 70 78 71 73 77 75
VSBY                10 10 10 10 10 10 10 10 10  7  7  7  7  7  7  7  7  7  7  7
POP 12HR                      0           5          30          60          70
RAIN SHWRS                                     IS          IS SC NM SC IS IS IS
TSTMS                                                      IS SC SC IS         
MIX HGT             <1 <1 <1 <1  4  7  6 <1 <1 <1 <1 <1  2  4  4 <1            
T WIND DIR          SE SW NW  N  S  S SW  S  S  S  S  S SW SW  S  S            
T WIND SPD           2  1  1  0  6  6  9 13  5  9  4 10 11  9 10 14            
DISPERSION          VP VP VP             VP VP PR VP             VP VP VP VP   
ADI                  1  1  1  0 32 32 42  6  4  6  3  8 35 35 38  7            
MAX LVORI            3  4  4  4  1  1  1  3  4  4  6  5  3  1  1  4            
STABILITY            G  G  G  A  A  C  C  F  E  E  E  C  B  C  C  F            
CEILING              None  None  None  None  None  None  None  3400  4200      
STA PRES            29.39 29.39 29.41 29.33 29.32 29.32 29.31 29.24            


Date           08/28Sat 08/29/26Sun 08/30/26Mon 08/31/26Tue 09/01/26
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       84      65      83      65      87      67      92      70      94
TEMP          82 77 68 67 79 75 67 67 83 79 70 70 89 83 73 72 91 84
DEWPT         71 71 68 67 71 70 67 67 71 69 69 69 70 69 69 69 70 69
RH            69 82100100 77 84100100 67 72 97 97 54 63 87 90 50 61
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC FW SC
POP 12HR           60      40      40      10      10       5       0       0      10
RAIN SHWRS    IS NM SC IS SC SC                                    
TSTMS            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