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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Thu Oct 15 2026
VAZ012-160800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
231 PM EDT Thu Oct 15 2026
Date 10/15/26 Fri 10/16/26 Sat 10/17/26 Sun
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 59 79 39 52 29
TEMP 78 67 64 62 60 60 72 78 73 56 49 46 42 40 43 48 49 40 36 34 31 30
DEWPT 68 67 64 61 59 60 63 61 60 55 47 43 41 39 39 36 32 32 30 28 26 25
MIN/MAX RH 100 56 100 52 85
RH 71100100 97 96100 73 56 64 96 93 89 96 96 86 63 52 73 79 78 81 81
WIND DIR SW S S S W W W W W NW NW NW NW N N N N N N N N NE
WIND SPD 1 1 2 1 2 4 4 4 4 6 9 10 9 8 5 4 4 3 2 1 1 1
WIND GUST 17 19 20
CLOUDS SC SC FW SC FW FW CL FW B1 B1 B2 B1 B2 B1 B1 SC FW FW FW CL CL CL
CLOUDS(%) 48 36 23 30 14 10 2 10 53 64 79 64 75 69 69 41 22 11 11 5 5 5
VSBY 10 10 10 9 9 9 10 10 10 9 7 10 10 10 10 10 10 10
POP 12HR 10 40 60 20 5
RAIN SHWRS IS SC SC SC SC NM IS IS
TSTMS IS
Obvis PF
MIX HGT 2 <1 <1 <1 <1 <1 2 4 3 1 2 2 2 2 3 4 4 <1
T WIND DIR SW SE S S SW SW W W W NW NW NW NW N N N N N
T WIND SPD 8 4 6 4 4 6 23 27 23 26 28 32 23 27 28 26 23 10
DISPERSION VP VP VP VP PR PR FR PR VP VP VP VP
ADI 18 2 3 2 2 7 68146 56 18 32 36 26 57 72133111 5
MAX LVORI 3 8 9 8 9 8 3 1 1 5 4 4 4 4 4 1 1 3
STABILITY A G G G G B B B D E D D D D D B B G
CEILING None None None None None 800 800 None None None
STA PRES 27.32 27.30 27.25 27.18 27.15 27.23 27.29 27.46 27.53
Date 10/18Mon 10/19/26Tue 10/20/26Wed 10/21/26Thu 10/22/26
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 57 30 62 35 67 39 68 38 68
TEMP 54 44 35 32 59 49 41 38 64 54 45 40 65 54 46 41 65 55
DEWPT 30 32 29 28 39 42 38 35 43 45 42 39 46 46 43 40 48 48
RH 40 62 78 85 47 77 89 89 46 71 89 96 50 74 89 96 54 77
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL CL FW FW FW FW SC FW FW FW FW FW CL CL FW FW
POP 12HR 5 5 5 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