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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1131 AM EDT Fri Oct 9 2026
NCZ003-092000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
1131 AM EDT Fri Oct 9 2026
Date Fri 10/09/26 Sat 10/10/26 Sun 10/11/26
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 77 57 66 57 69
TEMP 74 73 65 61 60 58 57 58 61 60 60 59 59 60 60 64 67 68 65
DEWPT 48 52 53 49 47 47 49 55 56 58 59 59 59 60 60 64 67 66 63
MAX/MIN RH 39 82 65 100 92
RH 40 48 65 65 62 67 75 90 84 93 96100100100100100100 93 93
WIND DIR E SE N NE N NE NE E E NE E E E E E E SE S W
WIND SPD 3 2 0 1 1 1 4 9 10 10 10 9 10 8 9 9 9 6 3
WIND GUST 20 24 24 21 21 23 21
CLOUDS B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1
CLOUDS(%) 86 82 86 90 96 95 93 93 91 93 98 98100100 98 98 72 72 57
VSBY 10 10 10 10 10 10 10 10 9 5 4 4 3 3 10 10 10 10 10
POP 12HR 0 10 90 100 100
RAIN D D D D D D L
RAIN SHWRS SC SC NM NM NM IS
TSTMS IS
MIX HGT 4 2 <1 <1 <1 <1 <1 1 2 2 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR NE NE NE E E E E E E E E E E E E E SW SW W
T WIND SPD 6 6 5 4 4 3 5 13 16 18 12 11 11 13 11 8 26 23 11
DISPERSION VP VP VP VP FR PR FR PR VP
ADI 30 13 3 2 2 2 4 22 28 32 11 10 10 12 13 10 53 47 5
MAX LVORI 2 2 3 3 3 3 3 4 4 4 7 7 7 5 5 7 4 4 6
STABILITY B B F F F F C D D D D D D D D D D D F
CEILING 24600 20500 14500 6900 600 700 600 500 1300
STA PRES 28.31 28.33 28.38 28.41 28.36 28.31 28.18 28.11 28.06
Date Mon 10/12/26Tue 10/13/26Wed 10/14/26Thu 10/15/26
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 60 77 57 82 59 80 56 75
TEMP 61 62 74 68 60 59 80 72 62 60 78 70 59 57 73 66
DEWPT 61 60 64 63 58 56 63 64 59 56 62 62 57 53 60 61
RH 100 93 71 84 93 90 56 76 90 87 58 76 93 86 64 84
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC FW FW FW FW FW CL FW FW FW FW SC SC FW
POP 12HR 20 5 0 0 5 5 5 5
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