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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EDT Sat Oct 18 2025

VAZ020-190800-
RAWS 441801
37.99N  79.76W Elev. 2160 ft
431 PM EDT Sat Oct 18 2025

Date           10/18/25      Sun 10/19/25            Mon 10/20/25            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                 53          71          45          60          37
TEMP          76 64 60 58 55 54 65 70 65 57 52 49 46 45 54 60 59 48 45 43 40 39
DEWPT         51 53 54 53 52 54 56 55 57 53 47 42 39 39 39 36 36 34 35 34 33 33
MIN/MAX RH                  100          59          93          40          84
RH            42 67 81 83 90100 73 59 75 86 83 77 76 79 57 41 42 58 68 70 76 79
WIND DIR      SW  S SW SW  S  S  S  S SW  W  W  W  W  W  W  W  W  W  W  W  W  W
WIND SPD       2  2  2  3  3  4  6  9 10 12 13 12 11  9  8  5  5  3  2  2  2  2
WIND GUST                          23 25 27 28 26 26 21 19 16                  
CLOUDS        FW SC SC SC SC B1 SC B2 OV OV B2 B1 B1 SC FW CL CL CL CL CL CL FW
CLOUDS(%)      9 31 33 42 38 63 45 72 95 91 80 55 53 39 14  5  1  3  4  5  5  6
VSBY          10 10 10 10 10 10 10  7  5  3  3  7  7 10 10 10 10 10            
POP 12HR                      0          80          70           5           0
RAIN SHWRS                         IS NM NM NM SC SC                           
MIX HGT        2 <1 <1 <1 <1 <1  2  3  2  2  2  2  2  2  3  4  3 <1            
T WIND DIR     W  S SE SE  N SE  S  S  S  S  W  W  W NW NW NW NW  W            
T WIND SPD     8  5  2  1  1  2 12 28 27 12 31 29 27 20 29 25 19 10            
DISPERSION       VP VP VP VP             FR FR FR FR             VP VP VP VP   
ADI           21  3  1  1  1  3 38 73 49 14 42 40 31 45123129 83  5            
MAX LVORI      2  3  5  6  7  9  3  1  3  4  4  3  3  3  1  1  1  3            
STABILITY      B  G  G  F  G  D  B  D  D  D  D  D  D  C  B  B  B  G            
CEILING              None  None  1300  1100  1500  None  None  None  None      
STA PRES            27.82 27.77 27.72 27.64 27.65 27.71 27.81 27.83            


Date           10/21Wed 10/22/25Thu 10/23/25Fri 10/24/25Sat 10/25/25
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       69      42      57      39      56      34      62      42      61
TEMP          68 55 48 42 57 47 43 40 56 45 39 35 61 50 46 43 61 50
DEWPT         40 42 42 38 34 32 34 32 32 30 32 32 36 36 37 38 41 41
RH            36 61 80 86 42 56 70 73 40 55 76 89 39 58 71 82 48 71
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC SC FW FW SC SC SC FW FW FW FW SC SC B1 B1 B1 B1
POP 12HR            5      10       5       5       5       0       5      10      10

$$


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