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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Sun Oct 18 2026

NCZ003-190800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
231 PM EDT Sun Oct 18 2026

Date           10/18/26      Mon 10/19/26            Tue 10/20/26            Wed
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                 37          69          43          74          43
TEMP          62 49 45 42 40 40 59 68 69 57 50 48 46 46 64 72 73 61 53 49 46 44
DEWPT         31 33 32 29 27 27 35 35 39 40 37 36 34 32 41 39 47 42 40 40 40 40
MIN/MAX RH                   62          29          64          30          85
RH            31 54 60 60 59 59 40 29 33 53 61 63 63 58 43 30 40 49 61 71 79 86
WIND DIR       E NE  N NW NW NW  N  N  N  N NW NW NW NW  N  N  N  N  N  N NW NW
WIND SPD       4  2  1  1  2  4  3  4  4  3  3  3  4  5  4  4  3  4  4  2  1  2
CLOUDS        CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL
CLOUDS(%)      1  1  1  2  3  3  3  2  2  1  2  2  2  4  2  3  3  2  1  2  2  3
VSBY          10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      0           0           0           0           0
MIX HGT        3 <1 <1 <1 <1 <1  2  3  2 <1 <1 <1 <1 <1  1  3  2 <1            
T WIND DIR    NE  N NE  N  N  N NE  N  N  N  N  N  N  N  N  N  N  N            
T WIND SPD    11  4  4  4  5  6 11 10 10  4  5  6  8  8 13 13 14  6            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           41  2  2  2  3  7 25 41 27  2  3  3  4  8 23 56 41  3            
MAX LVORI      1  3  3  3  3  3  2  1  2  2  3  3  3  2  2  1  1  2            
STABILITY      B  G  G  G  G  B  B  B  B  G  G  G  F  B  B  B  B  F            
CEILING        None  None  None  None  None  None  None  None  None  None      
STA PRES      28.53 28.53 28.49 28.44 28.36 28.34 28.31 28.32 28.28            


Date           10/21Thu 10/22/26Fri 10/23/26Sat 10/24/26Sun 10/25/26
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       71      43      72      44      70      42      65      40      68
TEMP          70 59 48 45 70 59 48 45 68 55 47 43 63 54 45 42 66 56
DEWPT         49 48 44 40 45 44 40 40 51 48 44 40 47 44 41 39 48 47
RH            47 67 86 82 41 57 74 82 54 77 89 89 56 69 86 89 52 72
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW CL CL CL CL CL CL CL CL CL FW FW FW CL FW FW FW
POP 12HR            0       0       0       0       0       0       0       0       0

$$


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