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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
501 PM EDT Sun Oct 11 2026
VAZ012-120800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
501 PM EDT Sun Oct 11 2026
Date 10/11/26 Mon 10/12/26 Tue 10/13/26 Wed
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 58 71 50 80 56
TEMP 58 58 60 60 59 61 67 70 58 55 53 52 52 68 76 78 67 60 59 58 57
DEWPT 57 57 55 55 56 59 58 57 56 54 53 52 52 63 62 62 61 58 57 55 55
MIN/MAX RH 100 64 100 56 96
RH 96 96 84 84 90 93 73 63 93 96100100100 84 62 58 81 93 93 90 93
WIND DIR W W NW NW NW NW NW NW NW W W W W W W W W W W W W
WIND SPD 5 6 8 9 8 4 4 3 2 2 2 3 3 2 2 2 2 3 3 4 3
WIND GUST 17 20 20
CLOUDS B2 B2 B2 B1 B1 B2 B2 FW FW FW FW FW FW FW CL CL CL CL CL FW FW
CLOUDS(%) 80 77 78 62 68 72 70 25 25 22 20 12 11 7 4 3 0 3 3 7 8
VSBY 6 5 4 5 8 9 10 10 10 10 10 10 9 10 10 10 10
POP 12HR 70 10 0 0 0
RAIN SHWRS SC NM SC SC
MIX HGT <1 <1 <1 <1 <1 2 2 2 <1 <1 <1 <1 <1 2 4 3 <1
T WIND DIR W W NW NW NW NW NW NW NW W W W W W W W SW
T WIND SPD 16 19 21 20 23 26 23 13 4 4 4 5 5 4 13 12 6
DISPERSION PR PR PR PR VP VP VP VP VP VP VP VP
ADI 11 13 20 19 29 50 49 36 2 2 2 3 6 10 62 52 3
MAX LVORI 7 5 5 5 4 4 3 3 9 9 9 9 8 4 1 1 5
STABILITY E E D D D D D B G G G G B B B B G
CEILING 700 700 100 None None None None None None
STA PRES 27.14 27.19 27.26 27.27 27.29 27.31 27.32 27.29
Date 10/14Thu 10/15/26Fri 10/16/26Sat 10/17/26Sun 10/18/26
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 82 58 79 56 75 38 54 28 58
TEMP 78 68 60 58 74 66 59 57 70 57 46 38 49 40 33 29 54 44
DEWPT 64 63 59 58 65 63 59 57 62 55 44 36 35 33 30 27 34 35
RH 62 84 96100 74 90100100 76 93 93 92 58 76 89 92 46 70
WIND SPD <15 <15 <15 <15 <15 15> 15> <15 <15
AVG CLOUDS FW FW FW SC SC B1 SC SC SC B1 B1 B1 B1 SC FW FW FW FW
POP 12HR 0 5 30 20 40 20 10 5 5
RAIN SHWRS SC IS IS SC IS
TSTMS 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