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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EDT Fri Oct 16 2026
VAZ018-162000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
131 PM 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 80 47 54 36 57
TEMP 78 73 61 55 53 50 48 48 53 52 44 40 39 37 37 49 57 55 44
DEWPT 62 62 56 49 45 45 44 43 39 35 32 30 29 27 24 26 30 32 31
MAX/MIN RH 59 88 51 67 36
RH 58 68 84 80 74 83 86 83 59 52 62 67 67 67 59 40 35 41 60
WIND DIR W W NW NW NW NW N N N N N N N N N E E E E
WIND SPD 10 11 12 14 13 10 11 11 11 12 9 6 3 3 3 4 4 3 2
WIND GUST 23 21 26 28 26 23 23 25 23 23 13 13 14 16
CLOUDS FW B2 B1 SC B1 B1 SC SC FW CL CL FW FW FW FW FW FW FW FW
CLOUDS(%) 15 83 54 41 54 62 39 45 19 4 5 6 10 10 15 15 15 15 25
VSBY 10 6 10 10 7 6 4 9 10 10 10 10 10 1 1 10 10 10 10
POP 12HR 60 40 20 0 5
RAIN SHWRS NM SC IS
MIX HGT 5 3 2 2 1 1 2 4 5 4 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR W W NW NW NW NW N N N N N N N N NE E E NE NE
T WIND SPD 23 20 23 26 25 11 24 23 21 18 13 11 6 6 5 16 10 11 4
DISPERSION FR GD FR FR PR PR VP VP VP
ADI 98 47 26 30 28 13 62 87 89 71 9 5 3 3 6 46 39 38 2
MAX LVORI 1 1 4 4 3 4 4 3 1 1 3 3 3 3 3 1 1 1 3
STABILITY C D D D D D C C C C E F G G B B B B G
CEILING None None None None None None None None None
STA PRES 27.64 27.72 27.78 27.94 28.03 28.14 28.18 28.28 28.23
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 37 62 43 68 46 68 46 66
TEMP 41 38 61 51 46 44 66 56 50 47 67 56 50 47 65 55
DEWPT 30 30 40 40 38 37 45 44 42 40 47 45 43 42 50 46
RH 65 73 46 66 73 76 47 64 74 76 49 66 77 83 58 72
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 10 5 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