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

VAZ018-202000-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
801 AM EDT Tue Oct 20 2026

Date             Tue 10/20/26            Wed 10/21/26            Thu 10/22/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 71          44          69          41          70
TEMP                60 70 69 56 51 50 47 44 58 68 67 55 49 46 43 42 59 69 66 55
DEWPT               32 33 37 38 39 40 39 39 43 42 43 46 44 41 40 38 42 39 41 43
MAX/MIN RH                   25          84          38          90          34
RH                  35 25 31 51 63 68 74 82 57 39 42 72 83 83 89 86 53 33 40 64
WIND DIR            NE NE  N  N  N  N  N  N NE  N  N NW NW  W NW NW NW NW NW NW
WIND SPD             2  3  1  2  2  2  2  2  1  2  1  2  2  2  4  5  3  4  5  5
WIND GUST                                                                    17
CLOUDS              CL CL CL CL CL CL CL FW CL CL CL CL CL CL CL FW FW CL CL CL
CLOUDS(%)            2  3  2  1  5  4  2  8  1  3  4  1  3  3  4  7  6  2  2  0
VSBY                10 10 10 10 10 10 10  6  9 10 10 10 10 10  5  0  3 10 10 10
POP 12HR                      0           0           0           0           0
MIX HGT              2  3  2 <1 <1 <1 <1 <1  2  3  3 <1 <1 <1 <1 <1  2  3  3 <1
T WIND DIR          NE  N  N NE  N  N  N  N  N  N  N NW NW NW NW NW NW NW  N NW
T WIND SPD          14 10  9  2  3  4  4  3  6  9  8  3  5  5  6  8  8 12 14  8
DISPERSION                   VP VP VP VP             VP VP VP VP             PR
ADI                 29 35 19  1  2  2  2  4 14 36 33  2  3  3  3  8 16 50 55  4
MAX LVORI            2  1  2  3  4  4  5  6  3  1  1  3  5  5  6  5  2  1  1  3
STABILITY            B  B  A  G  G  G  G  B  A  B  A  G  G  G  F  B  B  B  B  F
CEILING              None  None  None  None  None  None  None  None  None  None
STA PRES            28.03 27.99 28.00 27.98 27.98 27.90 27.90 27.87 27.89 27.88


Date          Fri 10/23/26Sat 10/24/26Sun 10/25/26Mon 10/26/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       45      65      39      61      41      67      44      71
TEMP          49 45 63 50 43 40 58 50 44 42 64 55 48 45 68 59
DEWPT         43 42 44 42 37 36 38 40 37 36 40 42 38 38 44 47
RH            80 89 50 74 79 85 47 68 76 79 41 61 68 76 42 64
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    CL CL CL CL CL FW FW CL CL FW FW FW FW SC SC SC
POP 12HR            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