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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
501 PM EDT Sun Oct 11 2026
VAZ018-120800-
RAWS 444002
37.56N 80.18W Elev. 2702 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 57 72 56 82 62
TEMP 58 58 58 58 57 60 70 71 61 57 57 56 56 72 81 80 67 65 64 63 63
DEWPT 57 58 57 56 57 60 62 61 58 55 55 55 55 64 64 64 61 59 59 59 59
MIN/MAX RH 100 72 99 55 87
RH 96100 96 93100100 76 71 90 93 93 96 96 76 56 58 81 81 84 87 87
WIND DIR W NW NW NW NW NW NW NW NW NW NW NW W W W W W W W W W
WIND SPD 3 6 10 13 13 12 9 8 4 3 3 3 3 2 4 4 3 4 5 5 5
WIND GUST 13 23 32 37 39 34 26 23 16 16 16 19 18
CLOUDS B2 B2 SC SC SC FW SC FW FW SC SC FW FW FW CL CL CL CL FW FW FW
CLOUDS(%) 75 74 44 31 37 24 32 16 7 35 27 16 13 6 2 2 1 3 6 7 8
VSBY 4 3 5 4 3 7 9 10 8 8 8 9 6 10 10 10 10
POP 12HR 50 0 0 0 0
RAIN SHWRS SC IS
MIX HGT <1 <1 <1 <1 1 2 2 2 <1 <1 <1 <1 <1 2 5 4 <1
T WIND DIR W W NW NW NW NW NW NW NW W W W W W W W SW
T WIND SPD 2 9 23 20 23 31 24 16 6 4 5 5 5 3 13 11 4
DISPERSION VP PR FR FR VP VP VP VP VP VP PR PR
ADI 1 6 21 19 42 79 69 45 3 2 3 3 6 8 76 52 2
MAX LVORI 10 8 5 5 4 4 3 3 6 9 6 8 6 3 1 1 5
STABILITY F E D D C C C B F G G G B B B B G
CEILING 500 None None None None None None None None
STA PRES 27.62 27.66 27.74 27.78 27.81 27.82 27.84 27.80
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 83 63 77 61 75 45 54 35 57
TEMP 83 71 66 64 74 67 62 61 73 59 53 46 53 43 39 35 55 46
DEWPT 67 64 62 62 67 63 60 59 63 54 45 38 37 33 31 29 35 35
RH 59 79 87 93 79 87 93 93 71 83 74 73 54 67 73 78 47 65
WIND SPD <15 <15 <15 <15 <15 15> 15> <15 <15
AVG CLOUDS FW FW FW SC B1 B1 B1 B1 SC B1 SC B1 B1 SC FW FW FW FW
POP 12HR 0 5 30 30 30 20 5 5 5
RAIN SHWRS IS SC SC SC IS 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