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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EDT Fri Oct 16 2026
VAZ018-170800-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
431 PM EDT Fri Oct 16 2026
Date 10/16/26 Sat 10/17/26 Sun 10/18/26 Mon
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 45 54 36 57 38
TEMP 77 61 56 53 51 47 49 53 52 44 41 39 37 37 49 57 55 44 41 41 39 39
DEWPT 62 57 50 46 44 43 43 39 35 32 30 28 25 22 24 28 30 30 29 29 28 29
MIN/MAX RH 92 51 66 33 67
RH 60 87 80 77 77 86 80 59 52 62 65 64 61 54 37 33 38 57 62 62 64 67
WIND DIR W NW NW NW NW N N N N N N N N N NE NE NE NE NE N N N
WIND SPD 8 12 13 12 9 10 9 8 9 6 5 4 4 5 6 5 4 3 3 3 3 4
WIND GUST 21 32 33 32 27 29 25 23 24 21 18 16 18 21 20 16 13 13 14 14
CLOUDS SC SC B1 SC OV B2 SC SC FW CL CL CL CL CL CL FW FW FW FW FW FW FW
CLOUDS(%) 32 49 67 49 92 70 49 32 9 1 2 3 1 2 2 6 8 9 11 17 18 21
VSBY 10 10 10 8 7 2 5 10 10 10 10 10 1 1 10 10 10 10
POP 12HR 90 50 0 0 5
RAIN SHWRS O SC
MIX HGT 3 1 2 2 1 2 3 4 4 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR W NW NW NW N N N N N N N N N N NE NE NE E
T WIND SPD 9 19 24 25 17 26 24 23 20 13 9 4 4 4 12 10 10 4
DISPERSION FR FR FR PR PR PR VP VP VP VP VP VP
ADI 35 18 27 28 15 55 80121 75 6 4 2 2 5 40 40 38 2
MAX LVORI 1 4 3 3 4 4 3 1 1 3 3 3 3 3 1 1 1 3
STABILITY B D D D D D C B C F F F F B B B B G
CEILING 1400 1400 None None None None None None None
STA PRES 27.71 27.79 27.95 28.05 28.15 28.21 28.28 28.24
Date 10/19Tue 10/20/26Wed 10/21/26Thu 10/22/26Fri 10/23/26
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 61 44 67 48 66 48 66 49 69
TEMP 61 52 47 46 66 57 52 49 65 57 51 49 65 57 52 50 68 58
DEWPT 40 40 38 37 45 44 42 41 49 46 45 44 51 49 47 46 52 49
RH 46 63 71 71 47 62 69 74 56 67 80 83 60 75 83 86 57 72
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC SC SC SC FW FW FW FW FW SC SC SC SC SC SC SC FW
POP 12HR 10 10 5 10 10 10 10 5 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