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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
831 PM EDT Tue Oct 20 2026

NCZ003-210800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
831 PM EDT Tue Oct 20 2026

Date           10/20/26      Wed 10/21/26            Thu 10/22/26            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                 44          75          47          74          45
TEMP                56 51 49 44 60 69 72 60 55 53 51 50 63 71 73 63 57 53 51 50
DEWPT               37 38 38 38 43 42 41 41 42 41 38 37 37 39 40 41 40 40 38 39
MIN/MAX RH                   81          30          65          30          67
RH                  49 61 66 79 53 37 33 49 61 64 61 61 38 31 30 44 53 61 61 66
WIND DIR             N  N NW NW  N  N  N NW NW NW NW NW  N  N  N  N  N  N  N  N
WIND SPD             4  3  3  4  2  4  3  4  4  5  6  5  8  5  5  5  5  3  2  2
CLOUDS              CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW FW
CLOUDS(%)            1  1  2  2  2  3  3  1  2  3  4  3  1  2  1  0  0  4 10  8
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10  0   
POP 12HR                      0           0           0           0           0
MIX HGT             <1 <1 <1 <1  2  3  3 <1 <1 <1 <1 <1  2  3  3 <1            
T WIND DIR           N  N  N  N  N  N  N  N  N  N NW NW  N  N  N  N            
T WIND SPD           5  5  5  5  5  5  6  6  8  9 10 11 13 10 12 11            
DISPERSION          VP VP VP             VP VP PR PR             PR PR VP VP   
ADI                  3  2  2  6 14 26 25  3  4  4  5 12 32 39 50  5            
MAX LVORI            3  3  5  5  2  2  2  2  3  3  3  2  1  1  1  2            
STABILITY            G  G  G  B  A  B  B  G  G  G  G  B  B  B  B  F            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            28.32 28.30 28.28 28.21 28.21 28.19 28.23 28.21            


Date           10/23Sat 10/24/26Sun 10/25/26Mon 10/26/26Tue 10/27/26
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       70      39      62      39      66      41      73      48      72
TEMP          66 54 46 40 59 52 44 41 64 56 46 43 71 61 52 49 70 58
DEWPT         43 53 45 40 46 49 43 40 48 52 45 42 49 55 49 47 54 54
RH            43 96 96100 62 89 96 96 56 86 96 96 46 81 89 93 57 86
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW CL CL CL CL CL CL CL FW FW CL FW FW FW FW FW SC SC
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