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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EDT Sun Oct 11 2026
VAZ012-112000-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
701 AM EDT Sun Oct 11 2026
Date Sun 10/11/26 Mon 10/12/26 Tue 10/13/26
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 66 54 72 50 80
TEMP 59 62 65 62 58 58 58 56 57 61 68 70 59 55 54 52 51 68 76 78 67
DEWPT 58 62 62 59 58 58 58 56 57 61 59 58 57 54 53 52 51 61 60 61 60
MAX/MIN RH 90 100 63 100 53
RH 96100 90 90100100100100100100 73 66 93 96 96100100 78 58 56 78
WIND DIR E E S SW W W NW NW NW NW NW NW NW W W W W W W W W
WIND SPD 6 5 4 8 4 5 6 9 8 5 4 3 2 2 2 3 3 2 2 2 3
WIND GUST 17 16 18 19
CLOUDS OV OV B2 B2 B2 B2 B2 B2 B1 B2 B1 SC FW FW FW FW FW CL CL CL CL
CLOUDS(%) 100100 82 71 70 78 77 74 64 78 69 34 15 14 14 10 8 2 4 1 0
VSBY 4 7 8 8 8 6 6 6 8 6 7 7 7 7 7 7 7 10 10 10 10
POP 12HR 70 60 10 0 0
RAIN
RAIN SHWRS NM SC SC SC NM SC IS
Obvis PF PF PF
MIX HGT <1 <1 3 2 <1 <1 <1 <1 <1 2 2 2 <1 <1 <1 <1 <1 2 4 3 <1
T WIND DIR SE E S SW W W NW NW NW NW NW NW W W W W W W W W SW
T WIND SPD 9 6 23 14 12 17 21 19 20 21 23 16 4 5 6 6 6 12 17 14 6
DISPERSION VP PR PR PR VP VP VP VP VP
ADI 10 9 54 40 8 12 15 18 23 42 50 49 2 3 3 3 7 29 84 59 3
MAX LVORI 7 8 4 4 8 7 5 5 5 4 3 1 6 8 8 9 8 3 1 1 4
STABILITY D D D B E E E D D D D B G G G G B B B B G
CEILING 500 1000 700 700 100 None None None None None
STA PRES 27.15 27.08 27.12 27.17 27.25 27.26 27.28 27.29 27.31 27.28
Date Wed 10/14/26Thu 10/15/26Fri 10/16/26Sat 10/17/26
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 56 82 56 78 52 74 42 59
TEMP 60 57 78 68 60 57 73 65 57 53 69 61 50 44 54 45
DEWPT 56 56 64 63 59 57 63 61 56 53 59 55 48 42 42 38
RH 87 96 62 84 96100 71 87 96100 70 81 93 93 64 76
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW FW FW FW SC B1 B1 SC B1 SC B1 B1 B1 B1 B1
POP 12HR 0 5 5 20 20 30 30 20
RAIN SHWRS IS IS IS SC SC IS
$$
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