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

NCZ003-210800-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
531 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                 42          73          43          74          45
TEMP             61 55 50 47 45 59 67 70 59 53 50 48 47 62 71 73 62 56 53 51 50
DEWPT            35 40 41 41 41 44 41 40 41 40 40 37 35 35 35 35 38 38 38 37 39
MIN/MAX RH                   84          31          67          24          68
RH               38 57 71 79 86 57 39 33 51 61 68 65 63 36 27 25 41 51 57 59 66
WIND DIR         NE NE NE  N  N NE NE NE NE  N  N NW NW  N  N  N  N  N  N  N  N
WIND SPD          2  4  4  4  4  3  2  1  1  2  3  4  4  4  3  2  3  4  4  4  4
CLOUDS           CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW
CLOUDS(%)         0  0  0  0  0  0  0  0  2  0  0  2  2  0  1  1  1  0  0  5  7
VSBY             10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10  9   
POP 12HR                      0           0           0           0           0
MIX HGT          <1 <1 <1 <1 <1  2  3  2 <1 <1 <1 <1 <1  2  4  3 <1            
T WIND DIR        N  N  N  N  N  N NW NW NW NW NW NW NW  N  N  N  N            
T WIND SPD        5  5  5  5  5  5  5  5  5  5  5  5  5  5  8  8  4            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI               2  2  2  2  6 15 22 17  3  3  3  3  6 14 37 34  2            
MAX LVORI         2  3  3  4  5  2  2  2  2  3  3  3  3  2  1  1  2            
STABILITY         G  F  F  F  B  B  B  A  G  G  G  F  B  B  B  B  G            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            29.16 29.15 29.13 29.04 29.05 29.03 29.07 29.05            


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       67      39      61      40      66      42      72      47      72
TEMP          65 53 45 40 59 51 43 41 63 55 46 43 69 60 50 48 70 57
DEWPT         41 51 44 40 44 46 43 41 47 50 46 42 48 53 49 47 52 53
RH            41 93 96100 57 83100100 56 83100 96 47 78 96 96 53 86
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW CL CL CL CL CL CL CL CL CL CL CL CL FW FW FW FW 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