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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Fri Oct 17 2025

VAZ018-180800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
801 PM EDT Fri Oct 17 2025

Date           10/17/25      Sat 10/18/25            Sun 10/19/25            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                 47          77          56          73          45
TEMP                52 49 48 48 64 75 77 67 60 60 57 56 67 71 64 55 51 49 47 46
DEWPT               37 38 38 41 47 52 54 56 56 54 54 53 57 58 58 51 43 41 39 37
MIN/MAX RH                   75          43          92          62          86
RH                  56 66 68 77 54 45 45 68 87 81 90 90 70 63 81 86 74 74 74 71
WIND DIR            SW  W  W  W  W SW  S SE  S  S  S  S  S  S  S  W  W  W  W  W
WIND SPD             2  1  2  2  3  4  4  3  2  3  4  5 12 13 13 11 12 12 11 10
WIND GUST                                         14 18 28 29 31 29 33 33 32 29
CLOUDS              SC B1 B1 SC FW FW FW FW SC SC B1 B1 B2 B2 B2 B1 B1 SC SC SC
CLOUDS(%)           36 68 60 30 19 15  8 14 34 47 55 57 72 86 86 64 61 46 38 31
VSBY                10 10 10 10 10 10 10 10 10 10 10 10                        
POP 12HR                      0           0           5          80          40
RAIN SHWRS                                           SC SC  O  O SC SC IS IS   
MIX HGT             <1 <1 <1 <1  2  4  4 <1 <1 <1 <1 <1  3  4  2  2            
T WIND DIR          SE NW NW NW  W  W SW  S  S  S  S  S  S  S SW  W            
T WIND SPD           2  1  2  2 10  9  8  4  4  3  3  4 19 28 24 19            
DISPERSION          VP VP VP             VP VP VP VP             FR FR FR FR   
ADI                  1  1  1  2 21 44 35  2  2  2  2  5 45 78 51 22            
MAX LVORI            3  3  3  3  2  1  1  5  5  5  6  6  3  1  3  4            
STABILITY            F  F  F  B  B  B  B  G  G  F  E  D  D  D  D  D            
CEILING              None  None  None  None  None  None  1000  1600  2800      
STA PRES            27.78 27.79 27.80 27.76 27.75 27.69 27.62 27.57            


Date           10/20Tue 10/21/25Wed 10/22/25Thu 10/23/25Fri 10/24/25
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       65      42      70      43      58      37      64      43      63
TEMP          61 52 45 43 69 53 48 43 58 46 42 39 62 53 46 44 63 49
DEWPT         38 37 34 34 45 42 37 34 37 36 35 34 39 39 38 39 43 41
RH            42 56 65 70 42 66 65 70 45 68 76 82 43 59 73 82 48 74
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW CL CL FW FW FW FW SC SC FW FW FW SC SC SC SC SC SC
POP 12HR            5       0      10      10       0       5       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