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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Fri Oct 16 2026
VAZ012-162000-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
801 AM EDT Fri Oct 16 2026
Date Fri 10/16/26 Sat 10/17/26 Sun 10/18/26
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 77 40 52 29 57
TEMP 70 75 71 57 50 46 43 41 44 48 49 40 36 34 31 30 45 53 56 45
DEWPT 63 60 59 55 47 44 42 41 41 37 33 32 30 28 26 24 26 29 31 31
MAX/MIN RH 59 100 53 84 37
RH 78 60 66 93 89 93 96100 89 65 54 73 79 78 81 78 47 39 38 58
WIND DIR W W W NW NW NW NW N N N N N N N N NE E E E E
WIND SPD 8 9 8 9 10 12 10 11 11 11 11 9 6 2 1 1 2 2 2 1
WIND GUST 20 21
CLOUDS FW SC B2 B2 B2 B1 B2 B2 B1 SC FW FW FW FW FW FW FW FW FW FW
CLOUDS(%) 7 28 83 78 72 66 83 84 62 35 22 20 20 20 20 15 15 10 10 20
VSBY 10 10 6 6 7 5 3 5 10 10 10 10 1 1 1 1 10 10 10 10
POP 12HR 60 60 30 5 5
RAIN SHWRS NM SC SC SC NM SC
MIX HGT 2 5 3 1 2 2 1 2 4 4 4 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR W W W N N NW NW N N N N N N N N NE E E E E
T WIND SPD 21 25 18 23 23 26 17 21 25 25 23 11 10 5 4 4 18 13 12 4
DISPERSION PR FR FR FR PR PR VP VP VP
ADI 67102 40 26 26 36 19 42 66 96 82 8 5 3 2 4 49 49 40 2
MAX LVORI 3 1 1 4 4 4 5 4 4 1 1 3 4 5 5 4 1 1 1 3
STABILITY B C D D D D D D D C C E F G G A B B B G
CEILING None 2300 800 300 None None None None None None
STA PRES 27.20 27.14 27.21 27.25 27.40 27.48 27.57 27.61 27.69 27.65
Date Mon 10/19/26Tue 10/20/26Wed 10/21/26Thu 10/22/26
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 31 61 36 67 39 68 39 67
TEMP 35 32 59 49 40 38 63 53 45 42 65 55 45 40 64 54
DEWPT 27 27 38 40 36 34 43 43 41 38 44 45 42 40 48 47
RH 72 81 45 71 85 85 48 69 86 86 46 69 89100 56 77
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 5 5 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