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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Mon Oct 5 2026
NCZ003-060800-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
401 PM EDT Mon Oct 5 2026
Date 10/05/26 Tue 10/06/26 Wed 10/07/26 Thu
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 47 70 45 77 51
TEMP 76 64 58 54 51 48 60 67 68 59 54 51 49 48 65 75 75 63 57 54 53 54
DEWPT 52 50 46 44 43 44 49 51 52 52 51 49 47 47 55 57 58 58 55 53 52 51
MIN/MAX RH 83 55 98 51 95
RH 43 60 64 69 74 86 67 56 57 78 90 93 93 96 70 54 55 84 93 96 96 90
WIND DIR N N N N N N E SE SE S SW SW SW SW S S S W NW NW NW NW
WIND SPD 6 4 5 3 3 2 4 4 3 1 1 1 1 1 2 3 3 1 2 2 3 3
CLOUDS CL CL CL CL FW SC FW FW FW FW CL CL CL CL CL CL CL CL CL CL CL CL
CLOUDS(%) 2 0 1 1 14 30 23 15 14 11 3 2 3 3 2 1 3 3 1 2 5 2
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 3 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 3 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR N N N N NE E E E E SE N NW NW NW W W W W
T WIND SPD 12 10 10 10 6 9 8 3 1 3 0 2 2 3 3 5 5 2
DISPERSION VP PR VP VP VP VP VP VP VP VP VP VP
ADI 45 5 5 5 3 10 24 14 4 2 0 1 1 3 8 23 22 1
MAX LVORI 1 3 3 3 3 4 3 2 3 4 6 7 7 9 3 2 2 5
STABILITY B F F G G B B B B G G G G A B B B G
CEILING None None None None None None None None None
STA PRES 28.25 28.24 28.27 28.21 28.20 28.17 28.16 28.09
Date 10/08Fri 10/09/26Sat 10/10/26Sun 10/11/26Mon 10/12/26
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 81 53 78 54 74 53 68 54 73
TEMP 80 66 57 54 76 65 58 55 73 63 57 55 66 61 57 56 71 64
DEWPT 55 56 51 48 52 54 50 49 54 53 51 52 56 56 56 54 60 60
RH 42 70 80 80 43 68 75 80 51 70 80 90 70 84 96 93 68 87
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW FW FW FW FW FW SC SC SC B1 B2 B2 OV B2 B2 B1 B1
POP 12HR 0 0 0 0 5 30 50 40 30
RAIN SHWRS SC SC SC SC SC SC SC
$$
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