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

VAZ046-210800-
RAWS 441101
37.39N  78.80W Elev. 804 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                 44          69          39          73          45
TEMP             57 52 48 46 44 58 65 67 56 50 47 45 44 63 72 70 58 55 52 51 50
DEWPT            39 44 44 42 41 43 40 38 38 37 37 35 34 34 34 36 38 39 41 41 42
MIN/MAX RH                   90          33          71          24          74
RH               51 74 86 86 89 57 40 34 51 61 68 68 68 34 25 29 47 55 66 68 74
WIND DIR         NE  N  N  N  N  N  N  N NE  N NW  W NW NW  N  N NE  N  N  N  N
WIND SPD          5  5  4  6  6  9  6  5  2  2  2  3  3  3  5  4  2  3  4  5  8
CLOUDS           CL CL CL CL CL CL CL CL FW CL CL CL CL CL CL CL CL CL FW CL FW
CLOUDS(%)         0  0  0  0  0  0  0  0  7  1  1  1  1  0  0  1  0  1  7  5 12
VSBY             10 10 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          <1 <1 <1 <1 <1  2  3  3 <1 <1 <1 <1 <1  2  4  2 <1            
T WIND DIR        N  N  N  N  N  N  N  N NW NW NW NW  W  N  N  N  N            
T WIND SPD        0  0  0  0  0  0  0  0  1  1  2  3  3 10 12 13  3            
DISPERSION       PR PR VP PR             VP VP VP VP             VP VP VP PR   
ADI               0  0  0  0  0  0  0  0  0  1  1  2  4 22 56 42  2            
MAX LVORI         2  4  6  6  7  3  2  2  2  3  3  3  3  2  1  1  2            
STABILITY         F  F  F  F  B  C  B  B  G  G  G  G  B  B  B  B  G            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            29.53 29.51 29.49 29.40 29.39 29.38 29.41 29.40            


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       63      39      60      42      65      44      71      48      70
TEMP          62 50 43 40 58 50 44 43 63 54 46 45 68 59 50 49 68 56
DEWPT         38 45 42 40 45 48 44 42 49 51 46 44 50 53 50 49 54 53
RH            41 83 96100 62 93100 96 60 90100 96 52 80100100 61 90
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW CL CL CL CL FW FW CL FW CL FW FW FW FW FW SC 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