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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 PM EDT Thu Oct 8 2026
NCZ003-082000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
1231 PM EDT Thu Oct 8 2026
Date Thu 10/08/26 Fri 10/09/26 Sat 10/10/26
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 81 54 76 55 68
TEMP 80 79 66 60 57 55 55 69 75 74 63 60 58 57 57 65 68 66 61
DEWPT 57 53 54 50 46 44 44 51 50 54 54 51 49 47 47 54 54 57 57
MAX/MIN RH 40 69 42 73 61
RH 45 41 65 69 67 66 66 53 41 50 72 72 72 69 69 68 61 73 87
WIND DIR NW NW N NW N NW NW N SE SE N N N N NE E E E E
WIND SPD 5 5 5 3 2 2 2 0 2 2 0 0 0 0 1 5 8 6 8
WIND GUST 18
CLOUDS CL CL SC B1 B2 B2 B1 B2 B2 B2 B2 B1 B2 B2 B2 B2 OV B2 OV
CLOUDS(%) 3 3 32 62 70 76 59 82 86 81 70 66 75 81 85 85 88 84 89
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 40
RAIN C C L
MIX HGT 5 3 <1 <1 <1 <1 <1 2 4 3 <1 <1 <1 <1 <1 2 3 2 <1
T WIND DIR NW NW NW N N N N N N N NE N N NE NE E E E E
T WIND SPD 16 14 12 9 6 5 4 8 8 3 1 3 3 3 4 12 11 12 4
DISPERSION PR VP VP VP VP VP VP VP PR
ADI 92 65 6 4 3 3 5 23 36 12 1 2 2 2 4 32 35 27 4
MAX LVORI 1 1 3 3 3 3 3 2 1 2 4 3 3 3 3 3 1 3 5
STABILITY B B F F F F B A B B F F F F A C C D D
CEILING None 20600 29900 30000 27900 24700 17200 13800 6700
STA PRES 28.18 28.21 28.27 28.34 28.34 28.41 28.47 28.53 28.49
Date Sun 10/11/26Mon 10/12/26Tue 10/13/26Wed 10/14/26
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 57 67 60 76 58 80 53 71
TEMP 59 60 65 65 63 62 74 68 61 59 78 69 58 53 69 61
DEWPT 58 59 65 65 63 61 65 64 60 58 63 60 54 48 52 51
RH 96 96100100100 97 74 87 97 96 60 73 86 83 55 70
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV OV OV B2 B2 B1 SC SC FW FW FW FW FW FW FW FW
POP 12HR 90 100 50 10 0 0 5 5
RAIN L D D D
RAIN SHWRS 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