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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Sat Oct 10 2026
NCZ003-102000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
801 AM EDT Sat Oct 10 2026
Date Sat 10/10/26 Sun 10/11/26 Mon 10/12/26
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 62 58 69 60 78
TEMP 57 60 61 60 59 61 61 62 65 69 68 66 62 61 61 62 69 76 77 68
DEWPT 56 59 61 60 59 61 61 62 64 66 65 64 61 60 59 59 64 64 64 61
MAX/MIN RH 60 100 86 100 63
RH 96 96100100100100100100 97 90 90 93 97 97 93 90 84 66 64 78
WIND DIR NE NE NE E E E E E SE S SW W W W NW NW NW NW NW NW
WIND SPD 9 11 10 11 9 8 6 6 8 9 6 3 3 3 8 11 14 13 9 4
WIND GUST 21 23 24 26 23 21 20 21 28 28 24 19
CLOUDS B2 OV OV OV OV OV OV OV OV B2 B1 FW SC SC SC SC FW FW FW CL
CLOUDS(%) 87 89 95 95 98 95 96 91 95 80 69 17 44 35 37 28 24 20 10 2
VSBY 7 5 3 3 2 2 1 1 1 2 9 7 7 10 10 10 10 10 10 10
POP 12HR 100 100 90 5 0
RAIN ?
RAIN SHWRS SC O O O O O O SC O NM SC
TSTMS IS
MIX HGT 1 1 1 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 3 3 3 <1
T WIND DIR NE E E E E E E SE SW SW W W W W NW NW NW NW NW W
T WIND SPD 19 21 20 17 16 13 11 9 21 17 20 12 10 11 17 24 29 26 18 4
DISPERSION FR PR PR PR VP VP VP PR VP
ADI 30 35 32 15 14 12 8 10 39 40 47 6 5 5 12 24 70 89 59 2
MAX LVORI 4 4 4 5 5 5 8 7 4 4 4 6 9 7 5 4 4 1 1 4
STABILITY D D D D D D E D D D D G F G E C D C C F
CEILING 3800 700 600 500 400 None None None None None
STA PRES 28.35 28.27 28.18 28.06 28.02 28.01 28.04 28.06 28.12 28.10
Date Tue 10/13/26Wed 10/14/26Thu 10/15/26Fri 10/16/26
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 84 61 81 56 75 55 75
TEMP 59 58 83 73 64 61 78 70 59 57 72 66 58 56 72 65
DEWPT 57 55 63 64 60 58 64 63 57 54 62 61 56 54 61 58
RH 93 90 51 73 87 90 62 78 93 90 71 84 93 93 68 78
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW CL CL CL FW FW FW FW FW SC SC SC SC SC SC
POP 12HR 0 0 0 5 5 10 10 20
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