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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Sat Sep 12 2026

VAZ018-130800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
401 PM EDT Sat Sep 12 2026

Date           09/12/26      Sun 09/13/26            Mon 09/14/26            Tue
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                 67          86          66          83          57
TEMP          76 70 70 70 68 68 76 83 82 72 69 68 67 67 77 82 80 67 63 61 58 58
DEWPT         70 70 68 68 67 68 72 70 70 67 66 65 65 64 64 61 57 55 53 53 50 51
MIN/MAX RH                  100          63          94          44          79
RH            82100 93 93 97100 87 65 67 84 90 90 93 90 64 49 45 65 70 75 75 77
WIND DIR      SE SE  N  N  W NW NW NW NW NW NW  W NW NW NW NW NW  N  N  E  E SE
WIND SPD       5  2  0  0  2  3  5  4  5  4  3  3  5  5  4  5  5  2  2  2  1  2
WIND GUST                    14 17       16       17 18 14                     
CLOUDS        B2 B2 B2 B2 SC SC SC FW FW FW FW FW CL FW SC FW FW FW FW SC SC SC
CLOUDS(%)     71 85 84 81 47 29 28 24 17 10 20 25  3 23 34 15 10 13 18 39 27 26
VSBY          10 10  4  1  0  0 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                     80           5           0           0           0
RAIN SHWRS    IS  O NM IS                                                      
TSTMS         IS SC SC                                                         
MIX HGT        3 <1 <1 <1 <1 <1  3  4  4 <1 <1 <1 <1  1  4  5  5 <1            
T WIND DIR    SE  E SW  W  W  W NW NW  W NW  W  W  W NW NW  N  N  N            
T WIND SPD     9  2  2  3  3  5 11 11 11 16  6  5  6 16 16 17 13  4            
DISPERSION       VP VP VP VP             VP VP VP PR             VP VP VP VP   
ADI           27  1  1  2  2  7 38 56 53  7  3  3  3 26 72 98 74  2            
MAX LVORI      4 10  8  8  8  8  4  1  1  4  6  6  6  4  1  1  1  3            
STABILITY      C  F  F  F  F  B  B  B  B  F  G  G  F  B  B  B  B  G            
CEILING               700  None  None  None  None  None  None  None  None      
STA PRES            27.76 27.77 27.81 27.76 27.80 27.81 27.89 27.92            


Date           09/15Wed 09/16/26Thu 09/17/26Fri 09/18/26Sat 09/19/26
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       81      58      85      61      88      64      87      64      83
TEMP          77 68 61 59 84 72 64 62 86 75 67 66 85 74 68 65 80 71
DEWPT         57 58 54 55 65 62 58 58 64 62 59 60 67 65 63 62 66 62
RH            50 70 78 87 53 71 81 87 48 64 75 81 55 74 84 90 62 73
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC FW FW FW FW FW FW FW FW FW FW FW SC B1 B1 SC SC B1
POP 12HR            0       0       5       0       5       5      40      30      40
RAIN SHWRS                                           SC 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