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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EDT Wed Oct 7 2026
NCZ003-072000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
131 PM EDT Wed Oct 7 2026
Date Wed 10/07/26 Thu 10/08/26 Fri 10/09/26
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 75 54 82 54 76
TEMP 70 74 63 59 56 55 54 71 79 79 67 60 56 54 54 68 75 74 62
DEWPT 52 52 56 56 55 53 53 57 57 54 52 51 49 46 46 52 51 52 52
MAX/MIN RH 46 97 42 75 43
RH 53 46 78 90 96 93 96 61 47 42 59 72 77 74 74 57 43 46 70
WIND DIR SW SW SW SW W W W W NW NW NW N N N N NE E SE SE
WIND SPD 4 5 3 3 3 3 3 3 5 4 4 4 3 3 3 2 3 2 1
CLOUDS CL CL FW CL CL FW FW FW FW FW B1 SC SC SC SC SC SC B1 B2
CLOUDS(%) 4 4 9 3 2 17 12 6 7 20 55 36 41 46 40 39 50 56 70
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 3 3 <1 <1 <1 <1 <1 2 5 5 <1 <1 <1 <1 <1 2 4 2 <1
T WIND DIR SW SW SW SW W W W W NW NW NW N N N N NE NE E NE
T WIND SPD 6 8 4 2 2 2 1 4 11 11 4 5 2 3 3 10 6 4 3
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 23 28 2 1 1 1 1 12 68 65 3 3 1 2 4 23 30 12 2
MAX LVORI 2 2 4 6 8 8 8 2 1 1 3 3 4 3 3 2 1 2 3
STABILITY B B G G G G B B B B E F F F B B B B F
CEILING None None None None None None None None 23300
STA PRES 28.90 28.93 28.92 28.97 28.95 29.04 29.11 29.19 29.18
Date Sat 10/10/26Sun 10/11/26Mon 10/12/26Tue 10/13/26
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 56 72 59 69 61 76 57 78
TEMP 58 56 71 62 60 60 67 66 63 61 75 65 60 58 77 65
DEWPT 49 49 55 56 58 60 67 66 63 61 65 62 59 57 62 60
RH 72 77 57 81 93100100100100100 71 90 96 96 60 84
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 B2 B2 B2 OV OV B2 B1 SC SC FW FW FW FW
POP 12HR 0 30 70 90 60 10 0 0
RAIN C L L D D L
RAIN SHWRS 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