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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 AM EDT Tue Oct 6 2026
VAZ018-062000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
631 AM EDT Tue Oct 6 2026
Date Tue 10/06/26 Wed 10/07/26 Thu 10/08/26
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 69 47 78 54 79
TEMP 43 58 67 64 54 51 50 49 48 67 76 74 61 57 57 56 55 71 78 75 63
DEWPT 41 47 50 49 48 47 45 45 44 54 53 52 52 51 50 50 50 56 56 55 53
MAX/MIN RH 54 89 44 83 46
RH 93 67 54 58 80 86 83 86 86 63 45 46 72 80 77 80 83 59 47 50 70
WIND DIR N SE S S S SW W W W W W W W W W W W W NW NW NW
WIND SPD 0 2 3 3 2 1 1 1 2 2 4 4 2 3 4 4 4 4 6 6 3
WIND GUST 14 14 17 18 17
CLOUDS FW FW FW FW FW FW FW FW FW FW FW CL CL CL FW CL CL CL FW FW CL
CLOUDS(%) 14 17 18 15 9 14 24 20 19 19 9 5 2 5 6 4 4 3 7 7 5
VSBY 5 10 10 10 10 10 10 9 5 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT <1 2 3 3 <1 <1 <1 <1 <1 2 4 4 <1 <1 <1 <1 <1 3 5 5 <1
T WIND DIR E E SE SE S SW W W SW W W W SW W W W W W W NW NW
T WIND SPD 6 5 3 3 3 2 2 2 2 5 8 8 3 3 5 6 5 18 19 18 8
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 7 15 13 13 2 1 1 1 2 16 36 37 2 2 3 3 6 71116103 4
MAX LVORI 6 3 2 2 4 5 5 6 6 2 1 1 3 5 4 5 4 1 1 1 3
STABILITY A B B B G G G G B B B B G G F F B B B B G
CEILING None None None None None None None None None None
STA PRES 27.94 27.90 27.86 27.83 27.80 27.74 27.75 27.74 27.77 27.78
Date Fri 10/09/26Sat 10/10/26Sun 10/11/26Mon 10/12/26
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 52 75 51 72 53 66 55 73
TEMP 56 53 74 62 54 51 69 61 56 53 62 58 57 56 69 64
DEWPT 50 46 48 47 45 43 51 49 49 49 56 55 55 54 61 57
RH 80 77 40 58 71 74 53 65 77 86 81 90 93 93 76 78
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B1
POP 12HR 0 0 0 5 40 50 50 20
RAIN SHWRS IS SC SC SC SC SC IS 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