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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EDT Mon Oct 5 2026
VAZ012-052000-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
401 AM EDT Mon Oct 5 2026
Date Mon 10/05/26 Tue 10/06/26 Wed 10/07/26
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 72 38 71 41 75
TEMP 55 53 63 70 69 55 49 45 41 39 57 67 70 58 49 47 44 44 63 72 74 62
DEWPT 54 49 50 49 44 43 42 42 39 39 46 48 49 49 47 45 43 44 50 53 52 51
MAX/MIN RH 40 100 46 100 46
RH 96 86 62 47 40 64 77 89 92100 67 50 47 72 93 93 96100 62 51 46 67
WIND DIR NW NW NW N N N N N NE N SE SE SE SE SE N SW SW W W W W
WIND SPD 3 3 2 2 2 2 1 1 1 0 1 1 1 1 1 0 1 2 2 2 2 2
CLOUDS B2 B1 SC FW CL CL CL FW FW FW FW FW FW FW FW FW FW FW FW FW CL CL
CLOUDS(%) 82 59 45 9 4 3 5 19 22 23 17 21 23 19 8 10 10 9 7 6 4 3
VSBY 9 8 8 10 10 10 10 10 6 2 7 7 7 7 7 7 7 7
POP 12HR 5 0 0 0 0
Obvis F
MIX HGT <1 <1 2 3 3 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 2 4 4 <1
T WIND DIR NW N N N N N N NW NW W SE S S SE S S SW W W W W W
T WIND SPD 10 10 13 14 14 6 4 2 2 1 5 3 3 4 3 1 2 4 5 10 9 5
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 5 8 32 57 52 3 2 1 1 1 14 14 13 2 2 1 1 5 15 47 43 3
MAX LVORI 7 5 1 1 1 3 4 7 7 10 3 2 2 3 7 8 10 9 2 1 1 3
STABILITY F C B B B G G G G A A A A G G G G B B B B G
CEILING None None None None None None None None None None
STA PRES 27.37 27.34 27.38 27.36 27.36 27.29 27.29 27.27 27.27 27.22
Date Thu 10/08/26Fri 10/09/26Sat 10/10/26Sun 10/11/26
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 46 76 45 76 45 73 45 68
TEMP 52 47 72 62 50 46 71 61 51 47 69 60 50 46 64 59
DEWPT 47 46 53 52 46 43 52 51 46 44 53 51 47 46 54 53
RH 83 96 51 70 86 89 51 70 83 89 57 72 89100 70 80
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW CL CL CL CL FW SC SC SC SC B1 B1 B1 B1 B2
POP 12HR 0 0 0 0 0 5 30 40
RAIN SHWRS SC SC SC
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