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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Wed Oct 21 2026

VAZ018-220800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
231 AM EDT Wed Oct 21 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          65          43          65          41
TEMP                      43 42 55 64 64 54 49 47 43 43 56 64 65 51 46 45 42 42
DEWPT                     36 34 38 37 38 39 38 35 35 32 32 32 35 36 35 35 36 37
MIN/MAX RH                   83          35          72          30          83
RH                        76 73 53 37 38 57 66 63 73 65 40 30 33 56 65 68 79 82
WIND DIR                   N  N NE  N  N NW NW NW NW NW NW NW NW NW NW NW NW  N
WIND SPD                   2  2  1  2  2  3  3  3  4  5  3  3  4  5  3  2  2  2
WIND GUST                                13                      18 13         
CLOUDS                    CL CL CL CL CL CL CL CL FW FW FW CL CL CL CL CL CL CL
CLOUDS(%)                  1  2  2  3  3  1  5  5 11 12 13  3  4  1  3  4  4  4
VSBY                      10 10 10 10 10 10 10  9  9  8  9 10 10 10 10 10 10 10
POP 12HR                      0           0           0           0           0
MIX HGT                   <1 <1  2  3  3 <1 <1 <1 <1 <1  1  3  3 <1 <1 <1 <1 <1
T WIND DIR                 N NW  N  N  N NW NW NW NW NW NW  N  N NW NW NW NW  N
T WIND SPD                 4  3  8 10  8  5  5  5  5  6  5  8 10 10  5  4  3  5
DISPERSION                VP             VP VP VP VP             PR VP VP VP   
ADI                        2  4 16 41 30  3  3  3  3  7 10 33 40  5  3  2  2  6
MAX LVORI                  3  3  2  1  2  3  4  4  5  4  2  1  1  3  3  3  4  4
STABILITY                  G  B  A  B  B  G  G  G  F  B  B  B  B  F  G  G  G  B
CEILING                    None  None  None  None  None  None  None  None  None
STA PRES                  27.97 27.96 27.89 27.89 27.86 27.89 27.88 27.95 27.99


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      37      60      38      64      40      69      45      68
TEMP          63 49 42 38 59 48 42 39 62 52 45 42 67 57 49 46 67 57
DEWPT         44 41 36 32 37 36 34 33 40 40 37 35 42 44 41 39 47 46
RH            50 74 79 79 44 63 73 79 44 63 73 76 40 62 74 76 49 67
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW CL CL FW FW CL CL FW FW FW 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